Trace number 3499965

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
sattime+ 2011-03-02SAT 0.107983 0.109253

General information on the benchmark

NameSAT04/handmade/anton/l4k4/
lksat-n900-m6174-k4-l4-s819398222.used-as.sat04-929.cnf
MD5SUM82170fa4021e7a6c932a31c197f0f64c
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.107983
Satisfiable
(Un)Satisfiability was proved
Number of variables880
Number of clauses6174
Sum of the clauses size24696
Maximum clause length4
Minimum clause length4
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 46174
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.10	c 86 clauses are redundant and removed
0.09/0.10	c 0 vars are fixed and 86 clauses are removed after unit propagation
0.09/0.10	c 0 vars are fixed and 86 clauses are removed after lookahead
0.09/0.10	c initial seed is 1996200134
0.09/0.10	c try=1 flip j=157252 walk=137629 seed 1996200151
0.09/0.10	c A solution is found
0.09/0.10	s SATISFIABLE
0.09/0.10	v -1 2 -3 4 5 6 -7 8 -9 -10 -11 -12 -13 14 15 16 -17 18 -19 20 -21 22 23 -24 25 26 -27 28 -29 -30 -31 -32 -33 34 -35 36 37 -38 39 40 -41 42 -43 44 45 46 47 -48 49 -50 -51 52 -53 54 -55 -56 -57 -58 -59 60 -61 62 63 -64 65 -66 -67 68 -69 70 71 -72 -73 -74 -75 -76 77 78 79 80 -81 82 83 -84 85 86 -87 -88 89 -90 -91 92 -93 -94 95 -96 -97 98 99 100 -101 -102 103 -104 -105 -106 -107 108 109 -110 -111 -112 113 114 115 -116 117 -118 -119 -120 -121 122 123 124 -125 -126 127 128 -129 -130 131 -132 133 -134 135 -136 -137 138 139 -140 -141 -142 -143 144 145 146 -147 -148 149 150 151 -152 -153 154 155 -156 -157 158 -159 160 -161 -162 -163 -164 -165 -166 167 -168 -169 -170 171 -172 -173 174 -175 -176 177 178 -179 -180 181 -182 -183 -184 -185 -186 187 188 -189 190 191 -192 -193 -194 -195 196 -197 -198 199 200 201 -202 203 204 205 -206 -207 -208 -209 210 -211 -212 -213 214 -215 -216 217 218 219 220 -221 -222 223 -224 225 -226 227 228 -229 230 -231 232 -233 234 -235 -236 237 238 -239 -240 241 -242 -243 244 -245 246 -247 -248 249 -250 -251 -252 -253 -254 255 -256 257 -258 -259 260 -261 262 263 264 265 266 267 -268 269 270 -271 -272 -273 -274 -275 -276 277 278 -279 -280 -281 -282 283 -284 -285 286 -287 -288 289 290 291 292 -293 -294 295 -296 297 -298 299 300 301 302 -303 -304 305 306 307 -308 -309 310 -311 -312 313 314 315 -316 317 -318 319 -320 321 322 -323 324 325 -326 -327 328 -329 -330 -331 -332 333 334 -335 336 337 338 339 -340 341 342 343 -344 345 346 -347 348 349 350 351 352 353 -354 -355 -356 357 358 -359 -360 -361 362 363 -364 -365 366 367 368 369 -370 371 -372 373 -374 -375 -376 -377 378 -379 -380 381 -382 -383 384 -385 386 387 -388 389 390 391 -392 -393 394 -395 396 -397 398 399 400 -401 402 403 404 -405 -406 407 -408 409 -410 -411 -412 413 -414 -415 416 -417 418 419 -420 -421 422 423 424 -425 426 -427 -428 429 430 431 -432 -433 -434 435 436 -437 -438 -439 -440 -441 -442 443 -444 445 -446 447 -448 -449 450 -451 452 -453 -454 455 456 -457 -458 459 -460 -461 462 -463 -464 465 -466 467 468 469 -470 -471 472 473 -474 -475 -476 -477 478 -479 480 481 -482 483 484 485 -486 -487 -488 489 490 491 492 493 494 495 496 -497 -498 -499 500 501 502 -503 504 -505 506 507 -508 509 510 511 512 513 514 -515 516 -517 -518 519 -520 -521 -522 523 -524 -525 526 527 528 529 -530 -531 532 533 534 -535 536 537 -538 539 540 -541 542 543 -544 -545 -546 547 -548 -549 -550 -551 -552 -553 -554 555 556 557 558 -559 560 -561 562 563 564 -565 -566 -567 -568 569 570 571 -572 573 -574 575 -576 577 578 579 -580 581 -582 -583 584 585 586 587 -588 -589 590 591 592 -593 -594 595 -596 597 -598 599 600 -601 602 -603 -604 -605 606 607 -608 -609 610 611 -612 -613 614 -615 -616 617 618 619 620 -621 -622 -623 624 625 626 -627 628 629 -630 631 -632 633 634 -635 -636 637 -638 -639 640 641 -642 -643 -644 645 -646 647 648 649 650 -651 -652 -653 -654 -655 656 -657 -658 659 -660 661 -662 663 664 -665 666 667 668 669 -670 671 672 673 -674 -675 -676 -677 678 679 680 681 -682 683 -684 685 686 687 688 689 690 -691 -692 -693 694 695 696 697 698 699 -700 701 702 -703 704 705 -706 -707 -708 -709 710 711 712 713 714 -715 716 -717 -718 719 -720 721 722 723 -724 -725 726 -727 -728 -729 730 731 -732 -733 -734 735 -736 737 -738 739 -740 741 -742 -743 -744 -745 -746 -747 748 -749 750 -751 -752 -753 -754 -755 -756 757 758 -759 760 761 762 763 764 765 766 -767 768 769 770 771 -772 773 774 775 776 777 -778 779 780 -781 -782 783 784 -785 -786 -787 788 789 -790 -791 -792 793 -794 -795 796 797 798 799 -800 -801 802 -803 -804 -805 806 -807 -808 809 810 811 -812 -813 814 -815 -816 817 818 -819 -820 821 -822 -823 824 825 -826 827 -828 829 -830 -831 832 -833 834 835 836 -837 838 -839 840 -841 -842 -843 -844 845 846 847 -848 849 850 -851 852 853 854 855 -856 857 -858 -859 860 861 -862 863 864 -865 866 867 -868 869 870 -871 872 873 874 -875 876 -877 -878 879 880 
0.09/0.10	v 0 
0.09/0.10	c Done (mycputime is 0 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3499965-1307980923/watcher-3499965-1307980923 -o /tmp/evaluation-result-3499965-1307980923/solver-3499965-1307980923 -C 5000 -W 5100 -M 15500 sattime+ HOME/instance-3499965-1307980923.cnf 1996200021 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.01 2.02 2.00 1/173 501
/proc/meminfo: memFree=9321108/32951124 swapFree=67063272/67111528
[pid=501] ppid=499 vsize=880764 CPUtime=0 cores=0,2,4,6
/proc/501/stat : 501 (sattime+) R 499 501 31223 0 -1 4194304 213 0 0 0 0 0 0 0 25 0 1 0 909690518 901902336 156 33554432000 4194304 4228340 140733578935440 18446744073709551615 232335553221 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/501/statm: 220191 156 102 9 0 217348 0

[startup+0.0943099 s]
/proc/loadavg: 2.01 2.02 2.00 1/173 501
/proc/meminfo: memFree=9321108/32951124 swapFree=67063272/67111528
[pid=501] ppid=499 vsize=881424 CPUtime=0.09 cores=0,2,4,6
/proc/501/stat : 501 (sattime+) R 499 501 31223 0 -1 4202496 496 0 0 0 9 0 0 0 25 0 1 0 909690518 902578176 437 33554432000 4194304 4228340 140733578935440 18446744073709551615 4217620 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/501/statm: 220356 437 116 9 0 217513 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 881424

[startup+0.100291 s]
/proc/loadavg: 2.01 2.02 2.00 1/173 501
/proc/meminfo: memFree=9321108/32951124 swapFree=67063272/67111528
[pid=501] ppid=499 vsize=881424 CPUtime=0.09 cores=0,2,4,6
/proc/501/stat : 501 (sattime+) R 499 501 31223 0 -1 4202496 496 0 0 0 9 0 0 0 25 0 1 0 909690518 902578176 437 33554432000 4194304 4228340 140733578935440 18446744073709551615 4214696 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/501/statm: 220356 437 116 9 0 217513 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 881424

Solver just ended. Dumping a history of the last processes samples

Child status: 10
Real time (s): 0.109253
CPU time (s): 0.107983
CPU user time (s): 0.107983
CPU system time (s): 0
CPU usage (%): 98.8375
Max. virtual memory (cumulated for all children) (KiB): 881424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.107983
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 500
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node132 at 2011-06-13 18:02:04
IDJOB=3499965
IDBENCH=84580
IDSOLVER=1996
FILE ID=node132/3499965-1307980923
RUNJOBID= node132-1307975921-32628
PBS_JOBID= 13559696
Free space on /tmp= 13344 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT04/handmade/anton/l4k4/lksat-n900-m6174-k4-l4-s819398222.used-as.sat04-929.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3499965-1307980923/watcher-3499965-1307980923 -o /tmp/evaluation-result-3499965-1307980923/solver-3499965-1307980923 -C 5000 -W 5100 -M 15500  sattime+ HOME/instance-3499965-1307980923.cnf 1996200021

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 82170fa4021e7a6c932a31c197f0f64c
RANDOM SEED=1996200021

node132.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:       9321412 kB
Buffers:        135204 kB
Cached:       22700004 kB
SwapCached:       9580 kB
Active:        7471544 kB
Inactive:     15381436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:       9321412 kB
SwapTotal:    67111528 kB
SwapFree:     67063272 kB
Dirty:            7824 kB
Writeback:           0 kB
AnonPages:       15420 kB
Mapped:           9000 kB
Slab:           712484 kB
PageTables:       3912 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   160156 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 13328 MiB
End job on node132 at 2011-06-13 18:02:04