Trace number 3154571

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 0.204968 0.205476

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v700-c2982-S1744841484-003.SATISFIABLE.cnf
MD5SUMdfb1a270a60c2005459af6275114712d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.014996
Satisfiable
(Un)Satisfiability was proved
Number of variables700
Number of clauses2982
Sum of the clauses size8946
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32982
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.19/0.20	c 0 clauses are redundant and removed
0.19/0.20	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.19/0.20	c 0 vars are fixed and 0 clauses are removed after lookahead
0.19/0.20	c initial seed is 1924411062
0.19/0.20	c try=1 flip j=449879 walk=400709 seed 1924411079
0.19/0.20	c A solution is found
0.19/0.20	s SATISFIABLE
0.19/0.20	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 
0.19/0.20	v 0 
0.19/0.20	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-3154571-1301685289/watcher-3154571-1301685289 -o /tmp/evaluation-result-3154571-1301685289/solver-3154571-1301685289 -C 2400 -W 1300 -M 7680 sattime HOME/instance-3154571-1301685289.cnf 1924411062 

running on 2 cores: 4,6

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: 1.09 1.95 2.89 3/177 27232
/proc/meminfo: memFree=22664884/32950928 swapFree=67111528/67111528
[pid=27232] ppid=27228 vsize=990536 CPUtime=0 cores=4,6
/proc/27232/stat : 27232 (sattime) R 27228 27232 25900 0 -1 4202496 407 0 0 0 0 0 0 0 21 0 1 0 358759587 1014308864 347 33554432000 4194304 4228548 140737380866864 18446744073709551615 4218660 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/27232/statm: 247634 347 116 9 0 244791 0

[startup+0.0976199 s]
/proc/loadavg: 1.09 1.95 2.89 3/177 27232
/proc/meminfo: memFree=22664884/32950928 swapFree=67111528/67111528
[pid=27232] ppid=27228 vsize=990536 CPUtime=0.09 cores=4,6
/proc/27232/stat : 27232 (sattime) R 27228 27232 25900 0 -1 4202496 407 0 0 0 9 0 0 0 21 0 1 0 358759587 1014308864 347 33554432000 4194304 4228548 140737380866864 18446744073709551615 4217167 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/27232/statm: 247634 347 116 9 0 244791 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 990536

[startup+0.10062 s]
/proc/loadavg: 1.09 1.95 2.89 3/177 27232
/proc/meminfo: memFree=22664884/32950928 swapFree=67111528/67111528
[pid=27232] ppid=27228 vsize=990536 CPUtime=0.09 cores=4,6
/proc/27232/stat : 27232 (sattime) R 27228 27232 25900 0 -1 4202496 407 0 0 0 9 0 0 0 21 0 1 0 358759587 1014308864 347 33554432000 4194304 4228548 140737380866864 18446744073709551615 4219115 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/27232/statm: 247634 347 116 9 0 244791 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 990536

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

[startup+0.200605 s]
/proc/loadavg: 1.09 1.95 2.89 3/177 27232
/proc/meminfo: memFree=22664884/32950928 swapFree=67111528/67111528
[pid=27232] ppid=27228 vsize=990536 CPUtime=0.19 cores=4,6
/proc/27232/stat : 27232 (sattime) R 27228 27232 25900 0 -1 4202496 407 0 0 0 19 0 0 0 22 0 1 0 358759587 1014308864 347 33554432000 4194304 4228548 140737380866864 18446744073709551615 4217421 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/27232/statm: 247634 347 116 9 0 244791 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 990536

Child status: 10
Real time (s): 0.205476
CPU time (s): 0.204968
CPU user time (s): 0.202969
CPU system time (s): 0.001999
CPU usage (%): 99.7528
Max. virtual memory (cumulated for all children) (KiB): 990536

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.202969
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 411
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= 5
involuntary context switches= 3

runsolver used 0 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node113 at 2011-04-01 21:14:49
IDJOB=3154571
IDBENCH=83078
IDSOLVER=1564
FILE ID=node113/3154571-1301685289
RUNJOBID= node113-1301685289-27211
PBS_JOBID= 12840584
Free space on /tmp= 70068 MiB

SOLVER NAME= sattime 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v700-c2982-S1744841484-003.SATISFIABLE.cnf
COMMAND LINE= sattime BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3154571-1301685289/watcher-3154571-1301685289 -o /tmp/evaluation-result-3154571-1301685289/solver-3154571-1301685289 -C 2400 -W 1300 -M 7680  sattime HOME/instance-3154571-1301685289.cnf 1924411062

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

MD5SUM BENCH= dfb1a270a60c2005459af6275114712d
RANDOM SEED=1924411062

node113.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	: 5332.76
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	: 5332.74
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	: 5332.75
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		: 2666.846
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	: 5332.74
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	: 5332.83
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		: 2666.846
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      22665320 kB
Buffers:        295748 kB
Cached:        9628644 kB
SwapCached:          0 kB
Active:        6217032 kB
Inactive:      3770460 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      22665320 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           15548 kB
Writeback:           0 kB
AnonPages:       63248 kB
Mapped:          14608 kB
Slab:           233704 kB
PageTables:       4712 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   190716 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= 70044 MiB
End job on node113 at 2011-04-01 21:14:49