Trace number 3154594

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 0.098984 0.100114

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v800-c3408-S91768321-029.SATISFIABLE.cnf
MD5SUMa8d280a0ad5a42e6946605bb6356e226
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.012998
Satisfiable
(Un)Satisfiability was proved
Number of variables800
Number of clauses3408
Sum of the clauses size10224
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 33408
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.10	c 0 clauses are redundant and removed
0.00/0.10	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.00/0.10	c 0 vars are fixed and 0 clauses are removed after lookahead
0.00/0.10	c initial seed is 1213254709
0.00/0.10	c try=1 flip j=189191 walk=168992 seed 1213254726
0.00/0.10	c A solution is found
0.00/0.10	s SATISFIABLE
0.00/0.10	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 
0.00/0.10	v 0 
0.00/0.10	c Done (mycputime is 0 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

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-3154594-1301685314/watcher-3154594-1301685314 -o /tmp/evaluation-result-3154594-1301685314/solver-3154594-1301685314 -C 2400 -W 1300 -M 7680 sattime HOME/instance-3154594-1301685314.cnf 1213254709 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.13 1.78 2.76 5/189 31973
/proc/meminfo: memFree=21941548/32951124 swapFree=67111528/67111528
[pid=31973] ppid=31971 vsize=990668 CPUtime=0 cores=0,2
/proc/31973/stat : 31973 (sattime) R 31971 31973 30433 0 -1 4202496 394 0 0 0 0 0 0 0 25 0 1 0 280133985 1014444032 334 33554432000 4194304 4228548 140736795312928 18446744073709551615 216634176197 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31973/statm: 247667 336 116 9 0 244824 0

[startup+0.00733311 s]
/proc/loadavg: 2.13 1.78 2.76 5/189 31973
/proc/meminfo: memFree=21941548/32951124 swapFree=67111528/67111528
[pid=31973] ppid=31971 vsize=990668 CPUtime=0 cores=0,2
/proc/31973/stat : 31973 (sattime) R 31971 31973 30433 0 -1 4202496 432 0 0 0 0 0 0 0 25 0 1 0 280133985 1014444032 372 33554432000 4194304 4228548 140736795312928 18446744073709551615 4201090 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31973/statm: 247667 372 116 9 0 244824 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 990668

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

[startup+0.00733311 s]
/proc/loadavg: 2.13 1.78 2.76 5/189 31973
/proc/meminfo: memFree=21941548/32951124 swapFree=67111528/67111528
[pid=31973] ppid=31971 vsize=990668 CPUtime=0 cores=0,2
/proc/31973/stat : 31973 (sattime) R 31971 31973 30433 0 -1 4202496 432 0 0 0 0 0 0 0 25 0 1 0 280133985 1014444032 372 33554432000 4194304 4228548 140736795312928 18446744073709551615 4201090 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31973/statm: 247667 372 116 9 0 244824 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 990668

Child status: 10
Real time (s): 0.100114
CPU time (s): 0.098984
CPU user time (s): 0.098984
CPU system time (s): 0
CPU usage (%): 98.8712
Max. virtual memory (cumulated for all children) (KiB): 990668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.098984
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= 436
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= 0

runsolver used 0.002999 second user time and 0.002999 second system time

The end

Launcher Data 

Begin job on node103 at 2011-04-01 21:15:14
IDJOB=3154594
IDBENCH=83101
IDSOLVER=1564
FILE ID=node103/3154594-1301685314
RUNJOBID= node103-1301685282-31795
PBS_JOBID= 12840593
Free space on /tmp= 71264 MiB

SOLVER NAME= sattime 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v800-c3408-S91768321-029.SATISFIABLE.cnf
COMMAND LINE= sattime BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3154594-1301685314/watcher-3154594-1301685314 -o /tmp/evaluation-result-3154594-1301685314/solver-3154594-1301685314 -C 2400 -W 1300 -M 7680  sattime HOME/instance-3154594-1301685314.cnf 1213254709

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= a8d280a0ad5a42e6946605bb6356e226
RANDOM SEED=1213254709

node103.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		: 2666.858
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	: 5333.71
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		: 2666.858
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	: 5332.75
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		: 2666.858
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	: 5332.75
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		: 2666.858
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	: 5332.77
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		: 2666.858
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	: 5332.75
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		: 2666.858
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	: 5332.75
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		: 2666.858
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	: 5332.83
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		: 2666.858
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:      21941580 kB
Buffers:        316940 kB
Cached:       10360484 kB
SwapCached:          0 kB
Active:        7417976 kB
Inactive:      3327640 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21941580 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           31668 kB
Writeback:           0 kB
AnonPages:       68396 kB
Mapped:          15300 kB
Slab:           200464 kB
PageTables:       5668 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  3211244 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71256 MiB
End job on node103 at 2011-04-01 21:15:14