Trace number 3158520

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
csls prob-8coresSAT 0.05799 0.019091

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v700-c2982-S900569154-026.SATISFIABLE.cnf
MD5SUM90af97b0aabddb9e07bb7ada8a5dcbc1
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.017996
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 

0.00/0.00	c Input seed 786590775 used seed: 786590775
0.00/0.01	s SATISFIABLE
0.00/0.01	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
0.00/0.01	c Min false clauses Core[0]: 5
0.00/0.01	c Min false clauses Core[1]: 0
0.00/0.01	c Min false clauses Core[2]: 4
0.00/0.01	c Min false clauses Core[3]: 1

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3158520-1304081990/watcher-3158520-1304081990 -o /tmp/evaluation-result-3158520-1304081990/solver-3158520-1304081990 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 8 HOME/instance-3158520-1304081990.cnf 4 786590775 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 3.38 4.50 6.13 5/180 14996
/proc/meminfo: memFree=30938240/32950928 swapFree=67111448/67111528
[pid=14996] ppid=14994 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/14996/stat : 14996 (csls-prob) R 14994 14996 14441 0 -1 4202496 420 0 0 0 0 0 0 0 25 0 4 0 519797714 51978240 360 33554432000 4194304 4563014 140736783948176 18446744073709551615 47495148677042 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/14996/statm: 12690 360 297 91 0 8208 0
[pid=14996/tid=14997] ppid=14994 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/14996/task/14997/stat : 14997 (csls-prob) R 14994 14996 14441 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 519797714 51978240 360 33554432000 4194304 4563014 140736783948176 18446744073709551615 251814296561 0 0 4096 16384 0 0 0 -1 3 0 0 0
[pid=14996/tid=14998] ppid=14994 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/14996/task/14998/stat : 14998 (csls-prob) R 14994 14996 14441 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 519797714 51978240 360 33554432000 4194304 4563014 140736783948176 18446744073709551615 251814296561 0 0 4096 16384 0 0 0 -1 3 0 0 0
[pid=14996/tid=14999] ppid=14994 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/14996/task/14999/stat : 14999 (csls-prob) R 14994 14996 14441 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 4 0 519797714 51978240 360 33554432000 4194304 4563014 140736783948176 18446744073709551615 251809272040 0 0 4096 16384 0 0 0 -1 1 0 0 0

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

Child status: 0
Real time (s): 0.019091
CPU time (s): 0.05799
CPU user time (s): 0.055991
CPU system time (s): 0.001999
CPU usage (%): 303.756
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.055991
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= 940
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= 38
involuntary context switches= 1

runsolver used 0.003999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node126 at 2011-04-29 14:59:50
IDJOB=3158520
IDBENCH=82743
IDSOLVER=1569
FILE ID=node126/3158520-1304081990
RUNJOBID= node126-1304081990-14944
PBS_JOBID= 13170512
Free space on /tmp= 71600 MiB

SOLVER NAME= csls prob-8cores
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v700-c2982-S900569154-026.SATISFIABLE.cnf
COMMAND LINE= HOME/csls-prob -maxcores 8 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158520-1304081990/watcher-3158520-1304081990 -o /tmp/evaluation-result-3158520-1304081990/solver-3158520-1304081990 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 8 HOME/instance-3158520-1304081990.cnf 4 786590775

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 90af97b0aabddb9e07bb7ada8a5dcbc1
RANDOM SEED=786590775

node126.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		: 2666.783
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	: 5333.56
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		: 2666.783
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		: 2666.783
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		: 2666.783
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	: 5332.74
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		: 2666.783
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	: 5332.80
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		: 2666.783
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		: 2666.783
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		: 2666.783
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      30938380 kB
Buffers:        238880 kB
Cached:        1395088 kB
SwapCached:         76 kB
Active:         103692 kB
Inactive:      1597460 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30938380 kB
SwapTotal:    67111528 kB
SwapFree:     67111448 kB
Dirty:             884 kB
Writeback:           0 kB
AnonPages:       66788 kB
Mapped:          15276 kB
Slab:           246644 kB
PageTables:       3920 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   260232 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= 71596 MiB
End job on node126 at 2011-04-29 14:59:50