! Started logfile: difmap.log_305 on Tue Jan 2 13:44:50 2018 ![@/tmp/difmap__21282.1] ! Obeying initialization file: /tmp/difmap__21282.1 ![@/home/lpetrov/config/difmap.cnf] device /XW ! Attempting to open device: '/XW' vflags="fb3" integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 800000 float soltime2 soltime2 = 15 float soltime3 soltime3 = 1 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float taper_size taper_size = 70. integer field_size field_size = 1024 float field_cell field_cell = 0.1 float old_peak float new_peak float flux_cutoff ![Exited script file: /home/lpetrov/config/difmap.cnf] ![@/tmp/difmap__21282.2] ![Exited script file: /tmp/difmap__21282.2] obs J0855-071A_X_a_uvm.fits ! Reading UV FITS file: J0855-071A_X_a_uvm.fits ! AN table 1: 138 integrations on 15 of 15 possible baselines. ! AN table 2: 79 integrations on 10 of 10 possible baselines. ! AN table 3: 77 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.991781 visibilities/baseline/integration-bin. ! Found source: J0855-071A ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 31856 visibilities. ![Exited script file: /tmp/difmap__21282.1] sele I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 field_size=1024 field_cell=0.1 taper_size = 70. mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.000724Jy sigma=25.560401 ! Fit after self-cal, rms=0.985114Jy sigma=25.162664 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. radplot ! Using default options string "m1" ! Move the cursor into the plot window and press 'H' for help ! Applying 6 buffered edits. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clrmod true,true clean 200, 0.02 ! Inverting map and beam ! Estimated beam: bmin=2.294 mas, bmaj=4.546 mas, bpa=-3.488 degrees ! Estimated noise=0.754781 mJy/beam. ! clean: niter=200 gain=0.02 cutoff=0 ! Component: 050 - total flux cleaned = 0.0092595 Jy ! Component: 100 - total flux cleaned = 0.0126392 Jy ! Component: 150 - total flux cleaned = 0.0142106 Jy ! Component: 200 - total flux cleaned = 0.0152145 Jy ! Total flux subtracted in 200 components = 0.0152145 Jy ! Clean residual min=-0.001040 max=0.001057 Jy/beam ! Clean residual mean=-0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.0152145 Jy mapl map,true ! ! Move the cursor into the plot window and press 'H' for help clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030951Jy sigma=0.778204 ! Fit after self-cal, rms=0.030951Jy sigma=0.778219 uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean 800, 0.01 ! Inverting map and beam ! Estimated beam: bmin=2.294 mas, bmaj=4.546 mas, bpa=-3.487 degrees ! Estimated noise=0.75475 mJy/beam. ! clean: niter=800 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00575056 Jy ! Component: 100 - total flux cleaned = 0.00923235 Jy ! Component: 150 - total flux cleaned = 0.0113414 Jy ! Component: 200 - total flux cleaned = 0.0126193 Jy ! Component: 250 - total flux cleaned = 0.013426 Jy ! Component: 300 - total flux cleaned = 0.0140537 Jy ! Component: 350 - total flux cleaned = 0.0145637 Jy ! Component: 400 - total flux cleaned = 0.0149782 Jy ! Component: 450 - total flux cleaned = 0.0153152 Jy ! Component: 500 - total flux cleaned = 0.0155892 Jy ! Component: 550 - total flux cleaned = 0.0158119 Jy ! Component: 600 - total flux cleaned = 0.0159929 Jy ! Component: 650 - total flux cleaned = 0.0161401 Jy ! Component: 700 - total flux cleaned = 0.0162148 Jy ! Component: 750 - total flux cleaned = 0.0162418 Jy ! Component: 800 - total flux cleaned = 0.016271 Jy ! Total flux subtracted in 800 components = 0.016271 Jy ! Clean residual min=-0.001203 max=0.001485 Jy/beam ! Clean residual mean=-0.000001 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.016271 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.016271 Jy ! Inverting map and beam ! Estimated beam: bmin=2.721 mas, bmaj=5.979 mas, bpa=-7.626 degrees ! Estimated noise=0.155112 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293329 Jy ! Component: 100 - total flux cleaned = 0.000360383 Jy ! Component: 150 - total flux cleaned = 0.000360768 Jy ! Component: 200 - total flux cleaned = 0.00036115 Jy ! Component: 250 - total flux cleaned = 0.000361566 Jy ! Component: 300 - total flux cleaned = 0.000365409 Jy ! Component: 350 - total flux cleaned = 0.00036539 Jy ! Component: 400 - total flux cleaned = 0.000365361 Jy ! Component: 450 - total flux cleaned = 0.000365323 Jy ! Component: 500 - total flux cleaned = 0.000362919 Jy ! Component: 550 - total flux cleaned = 0.000358361 Jy ! Component: 600 - total flux cleaned = 0.000354061 Jy ! Component: 650 - total flux cleaned = 0.000349969 Jy ! Component: 700 - total flux cleaned = 0.000346093 Jy ! Component: 750 - total flux cleaned = 0.000342416 Jy ! Component: 800 - total flux cleaned = 0.000338944 Jy ! Component: 850 - total flux cleaned = 0.000339033 Jy ! Component: 900 - total flux cleaned = 0.000340634 Jy ! Component: 950 - total flux cleaned = 0.000340687 Jy ! Component: 1000 - total flux cleaned = 0.000342207 Jy ! Component: 1050 - total flux cleaned = 0.000342182 Jy ! Component: 1100 - total flux cleaned = 0.00034371 Jy ! Component: 1150 - total flux cleaned = 0.000343687 Jy ! Component: 1200 - total flux cleaned = 0.000345205 Jy ! Total flux subtracted in 1200 components = 0.000345205 Jy ! Clean residual min=-0.001010 max=0.001218 Jy/beam ! Clean residual mean=-0.000001 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.0166162 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help maps 8192,0.2 ! Map grid = 8192x8192 pixels with 0.200x0.200 milli-arcsec cellsize. clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030951Jy sigma=0.778219 ! Fit after self-cal, rms=0.030951Jy sigma=0.778219 uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Inverting map and beam ! Estimated beam: bmin=2.184 mas, bmaj=4.56 mas, bpa=-6.479 degrees ! Estimated noise=0.345779 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00553306 Jy ! Component: 100 - total flux cleaned = 0.00888117 Jy ! Component: 150 - total flux cleaned = 0.010909 Jy ! Component: 200 - total flux cleaned = 0.0121375 Jy ! Component: 250 - total flux cleaned = 0.0128851 Jy ! Component: 300 - total flux cleaned = 0.0133675 Jy ! Component: 350 - total flux cleaned = 0.0137336 Jy ! Component: 400 - total flux cleaned = 0.0140377 Jy ! Component: 450 - total flux cleaned = 0.0142909 Jy ! Component: 500 - total flux cleaned = 0.0145031 Jy ! Component: 550 - total flux cleaned = 0.0146821 Jy ! Component: 600 - total flux cleaned = 0.0148334 Jy ! Component: 650 - total flux cleaned = 0.0149612 Jy ! Component: 700 - total flux cleaned = 0.0150692 Jy ! Component: 750 - total flux cleaned = 0.0151469 Jy ! Component: 800 - total flux cleaned = 0.0151707 Jy ! Component: 850 - total flux cleaned = 0.0151938 Jy ! Component: 900 - total flux cleaned = 0.0152163 Jy ! Component: 950 - total flux cleaned = 0.0152381 Jy ! Component: 1000 - total flux cleaned = 0.0152593 Jy ! Component: 1050 - total flux cleaned = 0.0152799 Jy ! Component: 1100 - total flux cleaned = 0.0152999 Jy ! Component: 1150 - total flux cleaned = 0.0153193 Jy ! Component: 1200 - total flux cleaned = 0.0153382 Jy ! Total flux subtracted in 1200 components = 0.0153382 Jy ! Clean residual min=-0.001299 max=0.001301 Jy/beam ! Clean residual mean=-0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0153381 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 2000, 0.01 ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0153381 Jy ! Inverting map and beam ! Estimated beam: bmin=2.721 mas, bmaj=5.979 mas, bpa=-7.626 degrees ! Estimated noise=0.155112 mJy/beam. ! clean: niter=2000 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000363028 Jy ! Component: 100 - total flux cleaned = 0.000617311 Jy ! Component: 150 - total flux cleaned = 0.000798394 Jy ! Component: 200 - total flux cleaned = 0.000929651 Jy ! Component: 250 - total flux cleaned = 0.0010274 Jy ! Component: 300 - total flux cleaned = 0.00110127 Jy ! Component: 350 - total flux cleaned = 0.00115748 Jy ! Component: 400 - total flux cleaned = 0.00120048 Jy ! Component: 450 - total flux cleaned = 0.00123347 Jy ! Component: 500 - total flux cleaned = 0.00124339 Jy ! Component: 550 - total flux cleaned = 0.00124657 Jy ! Component: 600 - total flux cleaned = 0.00124868 Jy ! Component: 650 - total flux cleaned = 0.00125182 Jy ! Component: 700 - total flux cleaned = 0.00125494 Jy ! Component: 750 - total flux cleaned = 0.00125699 Jy ! Component: 800 - total flux cleaned = 0.00126008 Jy ! Component: 850 - total flux cleaned = 0.00126313 Jy ! Component: 900 - total flux cleaned = 0.00126515 Jy ! Component: 950 - total flux cleaned = 0.00126816 Jy ! Component: 1000 - total flux cleaned = 0.00127114 Jy ! Component: 1050 - total flux cleaned = 0.00127311 Jy ! Component: 1100 - total flux cleaned = 0.00127605 Jy ! Component: 1150 - total flux cleaned = 0.001278 Jy ! Component: 1200 - total flux cleaned = 0.00128089 Jy ! Component: 1250 - total flux cleaned = 0.00128282 Jy ! Component: 1300 - total flux cleaned = 0.00128569 Jy ! Component: 1350 - total flux cleaned = 0.00128758 Jy ! Component: 1400 - total flux cleaned = 0.00129042 Jy ! Component: 1450 - total flux cleaned = 0.00129322 Jy ! Component: 1500 - total flux cleaned = 0.00129508 Jy ! Component: 1550 - total flux cleaned = 0.00129784 Jy ! Component: 1600 - total flux cleaned = 0.00129968 Jy ! Component: 1650 - total flux cleaned = 0.00130242 Jy ! Component: 1700 - total flux cleaned = 0.00130423 Jy ! Component: 1750 - total flux cleaned = 0.00130692 Jy ! Component: 1800 - total flux cleaned = 0.0013087 Jy ! Component: 1850 - total flux cleaned = 0.00131137 Jy ! Component: 1900 - total flux cleaned = 0.00131313 Jy ! Component: 1950 - total flux cleaned = 0.00131576 Jy ! Component: 2000 - total flux cleaned = 0.00131751 Jy ! Total flux subtracted in 2000 components = 0.00131751 Jy ! Clean residual min=-0.000982 max=0.001255 Jy/beam ! Clean residual mean=-0.000000 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0166557 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help ! Pixel value at x=-16.4 y=90 (mas) is 0.00121 Jy/beam ! RA = 08 55 09.461, Dec = -07 15 02.746 (2000.0) ! Pixel value at x=93.4 y=-130 (mas) is 0.000885 Jy/beam ! RA = 08 55 09.468, Dec = -07 15 02.966 (2000.0) ! Pixel value at x=113 y=-166 (mas) is 0.0011 Jy/beam ! RA = 08 55 09.469, Dec = -07 15 03.002 (2000.0) clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030951Jy sigma=0.778219 ! Fit after self-cal, rms=0.030951Jy sigma=0.778219 uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Inverting map and beam ! ! Abort command (y/n) or quit program [without saving data] (q)? ! Estimated beam: bmin=2.184 mas, bmaj=4.56 mas, bpa=-6.479 degrees ! Estimated noise=0.345779 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00553306 Jy ! Component: 100 - total flux cleaned = 0.00888117 Jy ! Component: 150 - total flux cleaned = 0.010909 Jy ! Component: 200 - total flux cleaned = 0.0121375 Jy ! Component: 250 - total flux cleaned = 0.0128851 Jy ! Component: 300 - total flux cleaned = 0.0133675 Jy ! Component: 350 - total flux cleaned = 0.0137336 Jy ! Component: 400 - total flux cleaned = 0.0140377 Jy ! Component: 450 - total flux cleaned = 0.0142909 Jy ! Component: 500 - total flux cleaned = 0.0145031 Jy ! Component: 550 - total flux cleaned = 0.0146821 Jy ! Component: 600 - total flux cleaned = 0.0148334 Jy ! Component: 650 - total flux cleaned = 0.0149612 Jy ! Component: 700 - total flux cleaned = 0.0150692 Jy ! Component: 750 - total flux cleaned = 0.0151469 Jy ! Component: 800 - total flux cleaned = 0.0151707 Jy ! Component: 850 - total flux cleaned = 0.0151938 Jy ! Component: 900 - total flux cleaned = 0.0152163 Jy ! Component: 950 - total flux cleaned = 0.0152381 Jy ! Component: 1000 - total flux cleaned = 0.0152593 Jy ! Component: 1050 - total flux cleaned = 0.0152799 Jy ! Component: 1100 - total flux cleaned = 0.0152999 Jy ! Component: 1150 - total flux cleaned = 0.0153193 Jy ! Component: 1200 - total flux cleaned = 0.0153382 Jy ! Total flux subtracted in 1200 components = 0.0153382 Jy ! Clean residual min=-0.001299 max=0.001301 Jy/beam ! Clean residual mean=-0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0153381 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 2000, 0.01 ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0153381 Jy ! Inverting map and beam ! Estimated beam: bmin=2.721 mas, bmaj=5.979 mas, bpa=-7.626 degrees ! Estimated noise=0.155112 mJy/beam. ! clean: niter=2000 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000363028 Jy ! Component: 100 - total flux cleaned = 0.000617311 Jy ! Component: 150 - total flux cleaned = 0.000798394 Jy ! Component: 200 - total flux cleaned = 0.000929651 Jy ! Component: 250 - total flux cleaned = 0.0010274 Jy ! Component: 300 - total flux cleaned = 0.00110127 Jy ! Component: 350 - total flux cleaned = 0.00115748 Jy ! Component: 400 - total flux cleaned = 0.00120048 Jy ! Component: 450 - total flux cleaned = 0.00123347 Jy ! Component: 500 - total flux cleaned = 0.00124339 Jy ! Component: 550 - total flux cleaned = 0.00124657 Jy ! Component: 600 - total flux cleaned = 0.00124868 Jy ! Component: 650 - total flux cleaned = 0.00125182 Jy ! Component: 700 - total flux cleaned = 0.00125494 Jy ! Component: 750 - total flux cleaned = 0.00125699 Jy ! Component: 800 - total flux cleaned = 0.00126008 Jy ! Component: 850 - total flux cleaned = 0.00126313 Jy ! Component: 900 - total flux cleaned = 0.00126515 Jy ! Component: 950 - total flux cleaned = 0.00126816 Jy ! Component: 1000 - total flux cleaned = 0.00127114 Jy ! Component: 1050 - total flux cleaned = 0.00127311 Jy ! Component: 1100 - total flux cleaned = 0.00127605 Jy ! Component: 1150 - total flux cleaned = 0.001278 Jy ! Component: 1200 - total flux cleaned = 0.00128089 Jy ! Component: 1250 - total flux cleaned = 0.00128282 Jy ! Component: 1300 - total flux cleaned = 0.00128569 Jy ! Component: 1350 - total flux cleaned = 0.00128758 Jy ! Component: 1400 - total flux cleaned = 0.00129042 Jy ! Component: 1450 - total flux cleaned = 0.00129322 Jy ! Component: 1500 - total flux cleaned = 0.00129508 Jy ! Component: 1550 - total flux cleaned = 0.00129784 Jy ! Component: 1600 - total flux cleaned = 0.00129968 Jy ! Component: 1650 - total flux cleaned = 0.00130242 Jy ! Component: 1700 - total flux cleaned = 0.00130423 Jy ! Component: 1750 - total flux cleaned = 0.00130692 Jy ! Component: 1800 - total flux cleaned = 0.0013087 Jy ! Component: 1850 - total flux cleaned = 0.00131137 Jy ! Component: 1900 - total flux cleaned = 0.00131313 Jy ! Component: 1950 - total flux cleaned = 0.00131576 Jy ! Component: 2000 - total flux cleaned = 0.00131751 Jy ! Total flux subtracted in 2000 components = 0.00131751 Jy ! Clean residual min=-0.000982 max=0.001255 Jy/beam ! Clean residual mean=-0.000000 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0166557 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help ! Error occured in command: maplot ! ! ! ! ! ! 4 consecutive EOF's on stdin - 10 will exit program ! ! 5 consecutive EOF's on stdin - 10 will exit program ! ! 6 consecutive EOF's on stdin - 10 will exit program ! ! 7 consecutive EOF's on stdin - 10 will exit program ! ! 8 consecutive EOF's on stdin - 10 will exit program ! ! 9 consecutive EOF's on stdin - 10 will exit program ! ! 10 consecutive EOF's on stdin - 10 will exit program