Trace number 3426779

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 0.397938 0.397768

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v650-c2769-S525571208-063.SATISFIABLE.cnf
MD5SUM0d5db3c80640d96c57ce9e3d0b9dc725
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011998
Satisfiable
(Un)Satisfiability was proved
Number of variables650
Number of clauses2769
Sum of the clauses size8307
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32769
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.29/0.39	c 0 clauses are redundant and removed
0.29/0.39	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.29/0.39	c 0 vars are fixed and 0 clauses are removed after lookahead
0.29/0.39	c initial seed is 1379281983
0.29/0.39	c try=1 flip j=862876 walk=757465 seed 1379282000
0.29/0.39	c A solution is found
0.29/0.39	s SATISFIABLE
0.29/0.39	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 
0.29/0.39	v 0 
0.29/0.39	c Done (mycputime is 0 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3426779-1306771337/watcher-3426779-1306771337 -o /tmp/evaluation-result-3426779-1306771337/solver-3426779-1306771337 -C 5000 -W 5100 -M 15500 sattime2011 HOME/instance-3426779-1306771337.cnf 1379278526 

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: 1.94 2.02 2.00 2/521 402
/proc/meminfo: memFree=4315396/32951124 swapFree=59030092/67111528
[pid=402] ppid=400 vsize=1185452 CPUtime=0 cores=0,2,4,6
/proc/402/stat : 402 (sattime2011) R 400 402 32341 0 -1 4194304 213 0 0 0 0 0 0 0 25 0 1 0 769549184 1213902848 158 33554432000 4194304 4230460 140735938693744 18446744073709551615 228095111877 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/402/statm: 296363 158 100 9 0 293520 0

[startup+0.096385 s]
/proc/loadavg: 1.94 2.02 2.00 2/521 402
/proc/meminfo: memFree=4315396/32951124 swapFree=59030092/67111528
[pid=402] ppid=400 vsize=1185848 CPUtime=0.09 cores=0,2,4,6
/proc/402/stat : 402 (sattime2011) R 400 402 32341 0 -1 4202496 408 0 0 0 9 0 0 0 25 0 1 0 769549184 1214308352 351 33554432000 4194304 4230460 140735938693744 18446744073709551615 4221241 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/402/statm: 296462 351 117 9 0 293619 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1185848

[startup+0.100385 s]
/proc/loadavg: 1.94 2.02 2.00 2/521 402
/proc/meminfo: memFree=4315396/32951124 swapFree=59030092/67111528
[pid=402] ppid=400 vsize=1185848 CPUtime=0.09 cores=0,2,4,6
/proc/402/stat : 402 (sattime2011) R 400 402 32341 0 -1 4202496 408 0 0 0 9 0 0 0 25 0 1 0 769549184 1214308352 351 33554432000 4194304 4230460 140735938693744 18446744073709551615 4200304 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/402/statm: 296462 351 117 9 0 293619 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1185848

[startup+0.300322 s]
/proc/loadavg: 1.94 2.02 2.00 2/521 402
/proc/meminfo: memFree=4315396/32951124 swapFree=59030092/67111528
[pid=402] ppid=400 vsize=1185848 CPUtime=0.29 cores=0,2,4,6
/proc/402/stat : 402 (sattime2011) R 400 402 32341 0 -1 4202496 408 0 0 0 29 0 0 0 25 0 1 0 769549184 1214308352 351 33554432000 4194304 4230460 140735938693744 18446744073709551615 4219850 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/402/statm: 296462 351 117 9 0 293619 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1185848

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

Child status: 10
Real time (s): 0.397768
CPU time (s): 0.397938
CPU user time (s): 0.396939
CPU system time (s): 0.000999
CPU usage (%): 100.043
Max. virtual memory (cumulated for all children) (KiB): 1185848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.396939
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 412
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 0.005999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node142 at 2011-05-30 18:02:17
IDJOB=3426779
IDBENCH=82751
IDSOLVER=1924
FILE ID=node142/3426779-1306771337
RUNJOBID= node142-1306761758-32359
PBS_JOBID= 13474982
Free space on /tmp= 60124 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v650-c2769-S525571208-063.SATISFIABLE.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3426779-1306771337/watcher-3426779-1306771337 -o /tmp/evaluation-result-3426779-1306771337/solver-3426779-1306771337 -C 5000 -W 5100 -M 15500  sattime2011 HOME/instance-3426779-1306771337.cnf 1379278526

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

MD5SUM BENCH= 0d5db3c80640d96c57ce9e3d0b9dc725
RANDOM SEED=1379278526

node142.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		: 2666.846
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	: 5333.69
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		: 2666.846
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	: 5131.95
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		: 2666.846
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	: 5332.82
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		: 2666.846
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	: 5332.67
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		: 2666.846
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	: 5332.81
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		: 2666.846
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		: 2666.846
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		: 2666.846
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:       4315552 kB
Buffers:        250780 kB
Cached:       17085636 kB
SwapCached:      49484 kB
Active:       16941532 kB
Inactive:     11085888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:       4315552 kB
SwapTotal:    67111528 kB
SwapFree:     59030092 kB
Dirty:            7736 kB
Writeback:           0 kB
AnonPages:    10650336 kB
Mapped:          31800 kB
Slab:           462676 kB
PageTables:      75032 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 146593784 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= 60120 MiB
End job on node142 at 2011-05-30 18:02:18