Trace number 3220459

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
sparrow2011 sparrow2011_ubcsat1.2_2011-03-02SAT 0.047991 0.0478209

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v800-c3408-S1831593686-090.SATISFIABLE.cnf
MD5SUM7dd850f670e1c9ea63e995ef24dddf5f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.032994
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 

0.00/0.04	c 
0.00/0.04	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.04	c 
0.00/0.04	c http://www.satlib.org/ubcsat
0.00/0.04	c 
0.00/0.04	c ubcsat -h for help
0.00/0.04	c 
0.00/0.04	s SATISFIABLE
0.00/0.04	v  -1 2 3 4 5 6 -7 8 -9 10
0.00/0.04	v  11 12 13 -14 15 -16 -17 -18 19 -20
0.00/0.04	v  -21 22 -23 -24 -25 -26 27 -28 -29 -30
0.00/0.04	v  -31 -32 33 34 35 -36 -37 38 39 -40
0.00/0.04	v  -41 -42 43 -44 -45 46 47 48 -49 -50
0.00/0.04	v  -51 -52 53 54 -55 56 -57 -58 -59 60
0.00/0.04	v  -61 62 -63 64 -65 66 -67 -68 -69 70
0.00/0.04	v  -71 72 -73 -74 75 76 77 -78 79 -80
0.00/0.04	v  -81 -82 83 -84 -85 -86 87 88 89 -90
0.00/0.04	v  91 92 93 -94 95 -96 97 98 -99 -100
0.00/0.04	v  101 102 103 -104 105 -106 -107 -108 109 -110
0.00/0.04	v  111 -112 -113 -114 115 116 -117 118 119 -120
0.00/0.04	v  121 -122 123 124 -125 -126 -127 128 129 130
0.00/0.04	v  -131 132 -133 134 135 136 -137 -138 139 -140
0.00/0.04	v  -141 -142 -143 -144 -145 146 147 148 149 -150
0.00/0.04	v  -151 152 153 154 -155 -156 157 158 159 160
0.00/0.04	v  161 162 -163 164 -165 -166 -167 -168 -169 -170
0.00/0.04	v  -171 172 -173 -174 -175 -176 -177 -178 -179 -180
0.00/0.04	v  181 -182 -183 184 185 -186 -187 -188 -189 190
0.00/0.04	v  191 -192 193 194 -195 -196 197 198 -199 200
0.00/0.04	v  -201 -202 203 -204 205 206 -207 208 -209 210
0.00/0.04	v  211 212 213 -214 -215 -216 -217 -218 -219 -220
0.00/0.04	v  -221 -222 223 -224 225 226 -227 -228 -229 230
0.00/0.04	v  -231 232 -233 234 235 -236 -237 238 -239 240
0.00/0.04	v  241 -242 243 -244 -245 246 -247 -248 -249 -250
0.00/0.04	v  251 252 -253 -254 255 -256 257 258 -259 -260
0.00/0.04	v  261 -262 263 264 -265 -266 -267 268 269 270
0.00/0.04	v  -271 -272 273 274 -275 -276 -277 278 279 -280
0.00/0.04	v  281 282 -283 -284 -285 286 287 288 -289 -290
0.00/0.04	v  -291 -292 -293 -294 295 -296 297 298 -299 -300
0.00/0.04	v  -301 302 -303 304 -305 -306 -307 308 309 310
0.00/0.04	v  -311 312 -313 -314 -315 316 317 -318 -319 320
0.00/0.04	v  321 -322 323 -324 325 -326 -327 -328 -329 -330
0.00/0.04	v  -331 332 333 -334 335 -336 337 -338 -339 340
0.00/0.04	v  341 342 -343 344 345 346 -347 -348 349 350
0.00/0.04	v  351 352 353 -354 -355 356 -357 358 359 360
0.00/0.04	v  -361 -362 -363 -364 365 366 -367 -368 -369 -370
0.00/0.04	v  -371 -372 -373 -374 375 -376 377 378 -379 380
0.00/0.04	v  381 382 383 -384 -385 -386 -387 -388 -389 390
0.00/0.04	v  391 392 393 394 -395 396 -397 -398 399 400
0.00/0.04	v  401 -402 -403 -404 -405 406 -407 -408 -409 -410
0.00/0.04	v  411 -412 413 414 415 -416 -417 418 419 -420
0.00/0.04	v  -421 422 -423 424 -425 -426 427 428 -429 430
0.00/0.04	v  -431 432 433 -434 -435 -436 437 438 -439 440
0.00/0.04	v  441 442 443 444 445 -446 -447 -448 -449 450
0.00/0.04	v  451 452 -453 -454 455 456 -457 -458 -459 460
0.00/0.04	v  461 -462 -463 464 -465 -466 -467 -468 -469 470
0.00/0.04	v  -471 -472 -473 -474 475 476 477 -478 479 480
0.00/0.04	v  481 482 -483 484 485 -486 487 488 489 490
0.00/0.04	v  -491 -492 493 -494 495 -496 -497 498 -499 500
0.00/0.04	v  -501 -502 -503 504 505 506 507 508 -509 510
0.00/0.04	v  -511 512 -513 514 515 -516 -517 518 519 -520
0.00/0.04	v  -521 522 523 524 525 526 -527 528 -529 530
0.00/0.04	v  -531 -532 533 -534 -535 -536 -537 538 539 -540
0.00/0.04	v  -541 -542 543 544 -545 -546 547 -548 -549 550
0.00/0.04	v  551 552 553 554 555 556 -557 -558 559 -560
0.00/0.04	v  -561 -562 -563 564 565 566 567 568 569 570
0.00/0.04	v  -571 572 -573 -574 -575 -576 -577 578 579 580
0.00/0.04	v  -581 -582 -583 -584 -585 586 587 -588 589 -590
0.00/0.04	v  -591 -592 593 594 595 -596 597 -598 599 -600
0.00/0.04	v  601 -602 603 604 605 -606 607 608 609 -610
0.00/0.04	v  611 612 -613 -614 -615 -616 -617 -618 -619 620
0.00/0.04	v  621 -622 623 624 625 626 627 628 629 -630
0.00/0.04	v  631 632 633 634 -635 -636 637 -638 -639 -640
0.00/0.04	v  641 642 643 -644 -645 -646 -647 -648 -649 -650
0.00/0.04	v  -651 -652 -653 654 -655 656 -657 658 659 660
0.00/0.04	v  661 -662 -663 -664 665 -666 -667 -668 669 670
0.00/0.04	v  671 -672 -673 674 -675 -676 -677 678 -679 680
0.00/0.04	v  -681 -682 -683 684 -685 686 687 -688 -689 690
0.00/0.04	v  -691 -692 693 -694 -695 696 -697 698 699 700
0.00/0.04	v  701 -702 -703 -704 -705 -706 707 708 -709 -710
0.00/0.04	v  711 712 -713 -714 715 -716 -717 718 -719 720
0.00/0.04	v  -721 722 723 -724 725 726 727 -728 -729 -730
0.00/0.04	v  -731 732 733 734 -735 -736 -737 738 -739 740
0.00/0.04	v  741 742 -743 -744 -745 -746 -747 -748 749 750
0.00/0.04	v  751 752 -753 -754 -755 756 757 -758 -759 -760
0.00/0.04	v  761 762 763 -764 -765 766 767 -768 769 770
0.00/0.04	v  -771 772 -773 -774 -775 -776 -777 778 -779 -780
0.00/0.04	v  -781 782 783 -784 -785 -786 787 -788 789 -790
0.00/0.04	v  791 792 793 -794 795 -796 -797 798 -799 800
0.00/0.04	v  0
0.00/0.04	c SearchSteps = 81537
0.00/0.04	c SolveTime = 0.04

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-3220459-1303265625/watcher-3220459-1303265625 -o /tmp/evaluation-result-3220459-1303265625/solver-3220459-1303265625 -C 5000 -W 5000 -M 15500 sparrow2011 HOME/instance-3220459-1303265625.cnf 781253480 

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): 5000 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: 2.00 2.00 2.00 2/181 25785
/proc/meminfo: memFree=22261380/32951124 swapFree=67111416/67111528
[pid=25785] ppid=25783 vsize=12228 CPUtime=0 cores=0,2,4,6
/proc/25785/stat : 25785 (sparrow2011) R 25783 25785 24313 0 -1 4202496 450 0 0 0 0 0 0 0 25 0 1 0 438160676 12521472 391 33554432000 4194304 4568220 140736531868736 18446744073709551615 4242809 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/25785/statm: 3057 391 173 92 0 1441 0

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

Child status: 10
Real time (s): 0.0478209
CPU time (s): 0.047991
CPU user time (s): 0.046992
CPU system time (s): 0.000999
CPU usage (%): 100.356
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.046992
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= 468
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 0.000999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node134 at 2011-04-20 04:13:45
IDJOB=3220459
IDBENCH=82760
IDSOLVER=1636
FILE ID=node134/3220459-1303265625
RUNJOBID= node134-1303250075-24331
PBS_JOBID= 13042432
Free space on /tmp= 71992 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v800-c3408-S1831593686-090.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3220459-1303265625/watcher-3220459-1303265625 -o /tmp/evaluation-result-3220459-1303265625/solver-3220459-1303265625 -C 5000 -W 5000 -M 15500  sparrow2011 HOME/instance-3220459-1303265625.cnf 781253480

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

MD5SUM BENCH= 7dd850f670e1c9ea63e995ef24dddf5f
RANDOM SEED=781253480

node134.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		: 2666.831
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		: 2666.831
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	: 5332.67
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		: 2666.831
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		: 2666.831
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	: 7186.06
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		: 2666.831
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		: 2666.831
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	: 5332.83
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		: 2666.831
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		: 2666.831
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	: 5332.84
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      22261536 kB
Buffers:        663348 kB
Cached:        9599664 kB
SwapCached:        108 kB
Active:        5750148 kB
Inactive:      4579700 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22261536 kB
SwapTotal:    67111528 kB
SwapFree:     67111416 kB
Dirty:             412 kB
Writeback:           0 kB
AnonPages:       66656 kB
Mapped:          15072 kB
Slab:           297248 kB
PageTables:       4832 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   216276 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71992 MiB
End job on node134 at 2011-04-20 04:13:45