Trace number 3158278

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-4coresSAT 0.067989 0.0219709

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 

0.00/0.00	c Input seed 1034775386 used seed: 1034775386
0.00/0.02	s SATISFIABLE
0.00/0.02	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
0.00/0.02	c Min false clauses Core[0]: 0
0.00/0.02	c Min false clauses Core[1]: 2
0.00/0.02	c Min false clauses Core[2]: 5
0.00/0.02	c Min false clauses Core[3]: 2

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-3158278-1304114679/watcher-3158278-1304114679 -o /tmp/evaluation-result-3158278-1304114679/solver-3158278-1304114679 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 4 HOME/instance-3158278-1304114679.cnf 4 1034775386 

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: 7.80 8.00 8.01 4/174 27308
/proc/meminfo: memFree=30850864/32951132 swapFree=67111356/67111528
[pid=27308] ppid=27304 vsize=54860 CPUtime=0 cores=1,3,5,7
/proc/27308/stat : 27308 (csls-prob) S 27304 27308 26975 0 -1 4202496 448 0 0 0 0 0 0 0 18 0 4 0 523067575 56176640 386 33554432000 4194304 4563014 140734396050048 18446744073709551615 274664913390 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/27308/statm: 13715 386 299 91 0 9233 0
[pid=27308/tid=27310] ppid=27304 vsize=54860 CPUtime=0 cores=1,3,5,7
/proc/27308/task/27310/stat : 27310 (csls-prob) D 27304 27308 26975 0 -1 4202560 7 0 0 0 0 0 0 0 18 0 4 0 523067575 56176640 386 33554432000 4194304 4563014 140734396050048 18446744073709551615 274664483160 0 0 4096 16384 0 0 0 -1 5 0 0 0
[pid=27308/tid=27311] ppid=27304 vsize=54860 CPUtime=0 cores=1,3,5,7
/proc/27308/task/27311/stat : 27311 (csls-prob) R 27304 27308 26975 0 -1 4202560 6 0 0 0 0 0 0 0 19 0 4 0 523067575 56176640 386 33554432000 4194304 4563014 140734396050048 18446744073709551615 274664851546 0 0 4096 16384 0 0 0 -1 7 0 0 0
[pid=27308/tid=27312] ppid=27304 vsize=54860 CPUtime=0 cores=1,3,5,7
/proc/27308/task/27312/stat : 27312 (csls-prob) D 27304 27308 26975 0 -1 4202560 8 0 0 0 0 0 0 0 18 0 4 0 523067575 56176640 386 33554432000 4194304 4563014 140734396050048 18446744073709551615 274664470886 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): 0.0219709
CPU time (s): 0.067989
CPU user time (s): 0.067989
CPU system time (s): 0
CPU usage (%): 309.45
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.067989
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= 970
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= 62
involuntary context switches= 1

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node131 at 2011-04-30 00:04:39
IDJOB=3158278
IDBENCH=83101
IDSOLVER=1568
FILE ID=node131/3158278-1304114679
RUNJOBID= node131-1304114679-27290
PBS_JOBID= 13170681
Free space on /tmp= 71384 MiB

SOLVER NAME= csls prob-4cores
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v800-c3408-S91768321-029.SATISFIABLE.cnf
COMMAND LINE= HOME/csls-prob -maxcores 4 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158278-1304114679/watcher-3158278-1304114679 -o /tmp/evaluation-result-3158278-1304114679/solver-3158278-1304114679 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 4 HOME/instance-3158278-1304114679.cnf 4 1034775386

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

MD5SUM BENCH= a8d280a0ad5a42e6946605bb6356e226
RANDOM SEED=1034775386

node131.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		: 2666.830
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	: 5333.66
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		: 2666.830
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		: 2666.830
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		: 2666.830
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		: 2666.830
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	: 5332.77
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		: 2666.830
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		: 2666.830
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	: 5332.75
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		: 2666.830
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:     32951132 kB
MemFree:      30851036 kB
Buffers:        211532 kB
Cached:        1515748 kB
SwapCached:        168 kB
Active:         148744 kB
Inactive:      1644616 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      30851036 kB
SwapTotal:    67111528 kB
SwapFree:     67111356 kB
Dirty:             904 kB
Writeback:           0 kB
AnonPages:       66156 kB
Mapped:          14512 kB
Slab:           242908 kB
PageTables:       4716 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:   188612 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71384 MiB
End job on node131 at 2011-04-30 00:04:40