Trace number 3153700

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
sattime2011 2011-03-02SAT 0.091986 0.093068

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v750-c3195-S973075635-083.SATISFIABLE.cnf
MD5SUM72699a729b1b1ff68f424bd0209fc31b
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.031994
Satisfiable
(Un)Satisfiability was proved
Number of variables750
Number of clauses3195
Sum of the clauses size9585
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 33195
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.07/0.09	c 0 clauses are redundant and removed
0.07/0.09	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.07/0.09	c 0 vars are fixed and 0 clauses are removed after lookahead
0.07/0.09	c initial seed is 718369684
0.07/0.09	c try=1 flip j=163529 walk=143770 seed 718369701
0.07/0.09	c A solution is found
0.07/0.09	s SATISFIABLE
0.07/0.09	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 
0.07/0.09	v 0 
0.07/0.09	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-3153700-1301681931/watcher-3153700-1301681931 -o /tmp/evaluation-result-3153700-1301681931/solver-3153700-1301681931 -C 2400 -W 1300 -M 7680 sattime2011 HOME/instance-3153700-1301681931.cnf 718366227 

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: 3.92 3.99 3.91 4/189 25873
/proc/meminfo: memFree=21901132/32950928 swapFree=67111528/67111528
[pid=25873] ppid=25871 vsize=1185980 CPUtime=0 cores=0,2
/proc/25873/stat : 25873 (sattime2011) R 25871 25873 25206 0 -1 4202496 400 0 0 0 0 0 0 0 25 0 1 0 279789780 1214443520 340 33554432000 4194304 4230460 140736411355920 18446744073709551615 4222352 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/25873/statm: 296495 340 117 9 0 293652 0

[startup+0.078279 s]
/proc/loadavg: 3.92 3.99 3.91 4/189 25873
/proc/meminfo: memFree=21901132/32950928 swapFree=67111528/67111528
[pid=25873] ppid=25871 vsize=1185980 CPUtime=0.07 cores=0,2
/proc/25873/stat : 25873 (sattime2011) R 25871 25873 25206 0 -1 4202496 438 0 0 0 7 0 0 0 25 0 1 0 279789780 1214443520 378 33554432000 4194304 4230460 140736411355920 18446744073709551615 4221509 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/25873/statm: 296495 378 117 9 0 293652 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 1185980

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

[startup+0.078279 s]
/proc/loadavg: 3.92 3.99 3.91 4/189 25873
/proc/meminfo: memFree=21901132/32950928 swapFree=67111528/67111528
[pid=25873] ppid=25871 vsize=1185980 CPUtime=0.07 cores=0,2
/proc/25873/stat : 25873 (sattime2011) R 25871 25873 25206 0 -1 4202496 438 0 0 0 7 0 0 0 25 0 1 0 279789780 1214443520 378 33554432000 4194304 4230460 140736411355920 18446744073709551615 4221509 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/25873/statm: 296495 378 117 9 0 293652 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 1185980

Child status: 10
Real time (s): 0.093068
CPU time (s): 0.091986
CPU user time (s): 0.091986
CPU system time (s): 0
CPU usage (%): 98.8374
Max. virtual memory (cumulated for all children) (KiB): 1185980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.091986
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= 442
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= 1

runsolver used 0 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node149 at 2011-04-01 20:18:51
IDJOB=3153700
IDBENCH=82807
IDSOLVER=1563
FILE ID=node149/3153700-1301681931
RUNJOBID= node149-1301678135-25224
PBS_JOBID= 12840554
Free space on /tmp= 71540 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v750-c3195-S973075635-083.SATISFIABLE.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3153700-1301681931/watcher-3153700-1301681931 -o /tmp/evaluation-result-3153700-1301681931/solver-3153700-1301681931 -C 2400 -W 1300 -M 7680  sattime2011 HOME/instance-3153700-1301681931.cnf 718366227

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

MD5SUM BENCH= 72699a729b1b1ff68f424bd0209fc31b
RANDOM SEED=718366227

node149.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		: 2666.806
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	: 5333.61
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		: 2666.806
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	: 5332.83
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		: 2666.806
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	: 5332.83
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		: 2666.806
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	: 5332.73
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		: 2666.806
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	: 5332.82
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		: 2666.806
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		: 2666.806
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		: 2666.806
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:     32950928 kB
MemFree:      21901288 kB
Buffers:        351804 kB
Cached:       10360240 kB
SwapCached:          0 kB
Active:        7571988 kB
Inactive:      3209652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      21901288 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            7820 kB
Writeback:           0 kB
AnonPages:       69508 kB
Mapped:          15320 kB
Slab:           204556 kB
PageTables:       5696 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:  3796884 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= 71532 MiB
End job on node149 at 2011-04-01 20:18:51