Trace number 3427106

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 0.122981 0.123094

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 benchmark0.023995
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 

0.10/0.12	c 0 clauses are redundant and removed
0.10/0.12	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.10/0.12	c 0 vars are fixed and 0 clauses are removed after lookahead
0.10/0.12	c initial seed is 2049288514
0.10/0.12	c try=1 flip j=248143 walk=217755 seed 2049288531
0.10/0.12	c A solution is found
0.10/0.12	s SATISFIABLE
0.10/0.12	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 
0.10/0.12	v 0 
0.10/0.12	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-3427106-1306784159/watcher-3427106-1306784159 -o /tmp/evaluation-result-3427106-1306784159/solver-3427106-1306784159 -C 5000 -W 5100 -M 15500 sattime2011 HOME/instance-3427106-1306784159.cnf 2049285057 

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

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: 1.92 2.01 1.99 4/480 21857
/proc/meminfo: memFree=4646420/32950928 swapFree=47704892/67111528
[pid=21857] ppid=21855 vsize=1185848 CPUtime=0.01 cores=1,3,5,7
/proc/21857/stat : 21857 (sattime2011) R 21855 21857 20411 0 -1 4202496 420 0 0 0 1 0 0 0 24 0 1 0 790015598 1214308352 363 33554432000 4194304 4230460 140734393329024 18446744073709551615 4221172 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21857/statm: 296462 363 117 9 0 293619 0

[startup+0.065921 s]
/proc/loadavg: 1.92 2.01 1.99 4/480 21857
/proc/meminfo: memFree=4646420/32950928 swapFree=47704892/67111528
[pid=21857] ppid=21855 vsize=1185848 CPUtime=0.06 cores=1,3,5,7
/proc/21857/stat : 21857 (sattime2011) R 21855 21857 20411 0 -1 4202496 420 0 0 0 6 0 0 0 24 0 1 0 790015598 1214308352 363 33554432000 4194304 4230460 140734393329024 18446744073709551615 4199861 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21857/statm: 296462 363 117 9 0 293619 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1185848

[startup+0.100914 s]
/proc/loadavg: 1.92 2.01 1.99 4/480 21857
/proc/meminfo: memFree=4646420/32950928 swapFree=47704892/67111528
[pid=21857] ppid=21855 vsize=1185848 CPUtime=0.1 cores=1,3,5,7
/proc/21857/stat : 21857 (sattime2011) R 21855 21857 20411 0 -1 4202496 420 0 0 0 10 0 0 0 24 0 1 0 790015598 1214308352 363 33554432000 4194304 4230460 140734393329024 18446744073709551615 4221625 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21857/statm: 296462 363 117 9 0 293619 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1185848

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

Child status: 10
Real time (s): 0.123094
CPU time (s): 0.122981
CPU user time (s): 0.122981
CPU system time (s): 0
CPU usage (%): 99.9082
Max. virtual memory (cumulated for all children) (KiB): 1185848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.122981
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= 424
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 0.003999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node127 at 2011-05-30 21:35:59
IDJOB=3427106
IDBENCH=83078
IDSOLVER=1924
FILE ID=node127/3427106-1306784159
RUNJOBID= node127-1306784159-21839
PBS_JOBID= 13474997
Free space on /tmp= 59756 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v700-c2982-S1744841484-003.SATISFIABLE.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3427106-1306784159/watcher-3427106-1306784159 -o /tmp/evaluation-result-3427106-1306784159/solver-3427106-1306784159 -C 5000 -W 5100 -M 15500  sattime2011 HOME/instance-3427106-1306784159.cnf 2049285057

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

MD5SUM BENCH= dfb1a270a60c2005459af6275114712d
RANDOM SEED=2049285057

node127.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		: 2666.823
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	: 5333.64
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		: 2666.823
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		: 2666.823
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		: 2666.823
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	: 5332.86
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		: 2666.823
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	: 5332.75
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		: 2666.823
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		: 2666.823
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	: 5332.60
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		: 2666.823
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:       4646824 kB
Buffers:        300620 kB
Cached:       15294116 kB
SwapCached:      21304 kB
Active:       13255076 kB
Inactive:     14397972 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:       4646824 kB
SwapTotal:    67111528 kB
SwapFree:     47704892 kB
Dirty:           15524 kB
Writeback:           4 kB
AnonPages:    12043752 kB
Mapped:          26756 kB
Slab:           488200 kB
PageTables:      94832 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 120916884 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= 59748 MiB
End job on node127 at 2011-05-30 21:36:00