Trace number 3162779

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 0.006998 0.00698007

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v700-c2982-S1617172756-030.SATISFIABLE.cnf
MD5SUM47049d4705301f4ac565d8b47d11d0a5
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.006998
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 
0.00/0.00	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.00	c 
0.00/0.00	c http://www.satlib.org/ubcsat
0.00/0.00	c 
0.00/0.00	c ubcsat -h for help
0.00/0.00	c 
0.00/0.00	s SATISFIABLE
0.00/0.00	v  1 -2 3 -4 5 -6 -7 8 -9 -10
0.00/0.00	v  11 -12 13 -14 -15 16 -17 -18 -19 -20
0.00/0.00	v  21 -22 -23 24 -25 26 -27 28 29 30
0.00/0.00	v  31 -32 33 -34 35 -36 37 -38 -39 -40
0.00/0.00	v  -41 -42 -43 -44 -45 -46 -47 48 -49 50
0.00/0.00	v  51 52 53 -54 55 56 -57 58 59 60
0.00/0.00	v  -61 62 -63 -64 -65 66 -67 -68 -69 -70
0.00/0.00	v  -71 -72 73 -74 -75 -76 77 78 -79 -80
0.00/0.00	v  -81 82 -83 84 -85 -86 87 88 -89 90
0.00/0.00	v  -91 92 93 -94 95 -96 97 -98 99 100
0.00/0.00	v  101 102 -103 104 -105 106 -107 -108 109 -110
0.00/0.00	v  -111 112 113 114 -115 -116 117 118 -119 120
0.00/0.00	v  121 -122 123 -124 -125 126 127 128 -129 130
0.00/0.00	v  -131 -132 133 -134 -135 -136 -137 -138 139 -140
0.00/0.00	v  141 142 143 144 145 146 -147 -148 149 150
0.00/0.00	v  151 152 153 154 155 -156 -157 -158 159 160
0.00/0.00	v  161 162 163 -164 -165 166 -167 168 -169 170
0.00/0.00	v  -171 -172 173 -174 -175 -176 177 178 179 180
0.00/0.00	v  181 -182 183 -184 -185 -186 187 -188 189 190
0.00/0.00	v  191 -192 -193 -194 -195 196 197 -198 -199 -200
0.00/0.00	v  -201 -202 -203 204 -205 206 -207 -208 209 210
0.00/0.00	v  211 212 -213 214 -215 216 -217 218 -219 -220
0.00/0.00	v  -221 -222 223 224 -225 -226 -227 228 -229 -230
0.00/0.00	v  231 232 233 -234 -235 -236 -237 -238 -239 -240
0.00/0.00	v  241 -242 -243 -244 -245 246 247 -248 249 250
0.00/0.00	v  -251 252 -253 254 -255 -256 257 -258 -259 -260
0.00/0.00	v  -261 -262 -263 -264 -265 -266 -267 268 -269 270
0.00/0.00	v  271 272 273 -274 275 -276 277 278 -279 280
0.00/0.00	v  -281 282 -283 284 -285 -286 287 288 -289 -290
0.00/0.00	v  291 -292 -293 -294 -295 296 297 298 -299 300
0.00/0.00	v  -301 -302 -303 304 305 -306 -307 -308 309 310
0.00/0.00	v  311 -312 313 -314 315 316 317 -318 -319 -320
0.00/0.00	v  321 -322 -323 -324 -325 326 -327 -328 329 330
0.00/0.00	v  -331 -332 -333 -334 -335 336 -337 338 -339 -340
0.00/0.00	v  -341 -342 -343 -344 -345 346 347 348 -349 -350
0.00/0.00	v  351 352 -353 -354 -355 356 -357 358 359 360
0.00/0.00	v  361 -362 -363 364 365 -366 367 368 -369 370
0.00/0.00	v  371 372 -373 -374 375 -376 377 -378 379 -380
0.00/0.00	v  381 382 383 384 385 386 387 -388 389 -390
0.00/0.00	v  -391 392 -393 394 395 396 -397 398 399 400
0.00/0.00	v  -401 -402 -403 -404 405 406 -407 -408 -409 410
0.00/0.00	v  411 412 413 414 -415 416 417 -418 -419 -420
0.00/0.00	v  -421 422 423 -424 -425 -426 427 -428 429 430
0.00/0.00	v  431 432 433 -434 435 436 -437 -438 439 440
0.00/0.00	v  -441 442 -443 -444 -445 446 -447 448 449 -450
0.00/0.00	v  451 452 -453 454 -455 -456 -457 -458 459 460
0.00/0.00	v  -461 462 -463 464 -465 466 467 468 -469 470
0.00/0.00	v  471 472 473 -474 475 -476 -477 -478 -479 -480
0.00/0.00	v  -481 -482 483 484 -485 486 487 488 489 -490
0.00/0.00	v  491 492 493 -494 495 496 -497 -498 499 500
0.00/0.00	v  -501 502 503 -504 505 506 507 -508 509 510
0.00/0.00	v  -511 -512 -513 514 515 516 517 -518 519 -520
0.00/0.00	v  521 522 -523 524 525 -526 527 -528 529 -530
0.00/0.00	v  531 532 -533 -534 535 -536 -537 -538 -539 -540
0.00/0.00	v  -541 542 543 -544 -545 546 547 548 549 550
0.00/0.00	v  -551 552 553 -554 -555 -556 557 558 -559 -560
0.00/0.00	v  561 -562 -563 564 -565 -566 -567 -568 569 570
0.00/0.00	v  -571 572 573 -574 -575 -576 -577 -578 -579 -580
0.00/0.00	v  -581 -582 -583 -584 585 586 -587 -588 -589 -590
0.00/0.00	v  -591 -592 -593 594 -595 596 597 -598 599 -600
0.00/0.00	v  601 -602 603 -604 605 -606 -607 -608 609 -610
0.00/0.00	v  -611 612 -613 614 615 -616 617 -618 619 -620
0.00/0.00	v  621 622 -623 -624 625 -626 -627 628 -629 -630
0.00/0.00	v  -631 632 -633 634 -635 -636 637 -638 639 640
0.00/0.00	v  -641 -642 -643 -644 -645 -646 647 -648 -649 650
0.00/0.00	v  -651 -652 -653 -654 -655 -656 -657 658 659 -660
0.00/0.00	v  661 662 663 -664 665 666 667 -668 669 -670
0.00/0.00	v  -671 672 673 674 -675 -676 -677 -678 -679 680
0.00/0.00	v  -681 -682 683 684 -685 -686 -687 688 689 690
0.00/0.00	v  691 -692 -693 694 695 696 -697 698 -699 -700
0.00/0.00	v  0
0.00/0.00	c SearchSteps = 6482
0.00/0.00	c SolveTime = 0

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-3162779-1301708988/watcher-3162779-1301708988 -o /tmp/evaluation-result-3162779-1301708988/solver-3162779-1301708988 -C 2400 -W 1300 -M 7680 sparrow2011 HOME/instance-3162779-1301708988.cnf 1708558093 

running on 2 cores: 1,3

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: 4.00 4.44 5.92 4/189 9919
/proc/meminfo: memFree=22378836/32951124 swapFree=67111528/67111528
[pid=9919] ppid=9917 vsize=12228 CPUtime=0 cores=1,3
/proc/9919/stat : 9919 (sparrow2011) R 9917 9919 9762 0 -1 4202496 442 0 0 0 0 0 0 0 22 0 1 0 263314449 12521472 381 33554432000 4194304 4568220 140733501639216 18446744073709551615 4239680 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9919/statm: 3057 381 173 92 0 1441 0

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

Child status: 10
Real time (s): 0.00698007
CPU time (s): 0.006998
CPU user time (s): 0.005999
CPU system time (s): 0.000999
CPU usage (%): 100.257
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.005999
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= 460
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 0.001999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node143 at 2011-04-02 03:49:48
IDJOB=3162779
IDBENCH=83010
IDSOLVER=1573
FILE ID=node143/3162779-1301708988
RUNJOBID= node143-1301708360-9782
PBS_JOBID= 12840840
Free space on /tmp= 71924 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v700-c2982-S1617172756-030.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3162779-1301708988/watcher-3162779-1301708988 -o /tmp/evaluation-result-3162779-1301708988/solver-3162779-1301708988 -C 2400 -W 1300 -M 7680  sparrow2011 HOME/instance-3162779-1301708988.cnf 1708558093

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

MD5SUM BENCH= 47049d4705301f4ac565d8b47d11d0a5
RANDOM SEED=1708558093

node143.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	: 5226.15
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	: 5332.83
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	: 5332.75
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		: 2666.846
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	: 5332.83
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		: 2666.846
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	: 5332.74
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      22378992 kB
Buffers:        347904 kB
Cached:        9894684 kB
SwapCached:          0 kB
Active:        7020036 kB
Inactive:      3292160 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22378992 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             388 kB
Writeback:           0 kB
AnonPages:       69704 kB
Mapped:          16200 kB
Slab:           195976 kB
PageTables:       5368 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   266140 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= 71924 MiB
End job on node143 at 2011-04-02 03:49:48