Trace number 3162814

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 0.212966 0.213262

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v650-c2769-S466707249-079.SATISFIABLE.cnf
MD5SUM5668e95cadc5ec51544c425c57e1c075
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.049991
Satisfiable
(Un)Satisfiability was proved
Number of variables650
Number of clauses2769
Sum of the clauses size8307
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32769
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.19/0.21	c 
0.19/0.21	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.19/0.21	c 
0.19/0.21	c http://www.satlib.org/ubcsat
0.19/0.21	c 
0.19/0.21	c ubcsat -h for help
0.19/0.21	c 
0.19/0.21	s SATISFIABLE
0.19/0.21	v  1 2 3 4 -5 -6 -7 -8 -9 -10
0.19/0.21	v  11 12 13 -14 -15 -16 17 -18 19 -20
0.19/0.21	v  -21 -22 -23 24 25 26 27 28 -29 30
0.19/0.21	v  -31 -32 33 34 35 -36 -37 -38 -39 40
0.19/0.21	v  -41 -42 -43 44 -45 -46 47 48 49 50
0.19/0.21	v  -51 -52 53 54 -55 -56 57 58 59 60
0.19/0.21	v  -61 62 63 -64 65 66 -67 68 69 70
0.19/0.21	v  -71 -72 -73 -74 -75 76 -77 78 -79 -80
0.19/0.21	v  -81 -82 83 84 -85 -86 -87 -88 89 -90
0.19/0.21	v  -91 -92 -93 -94 -95 -96 97 -98 -99 -100
0.19/0.21	v  101 -102 103 104 105 106 -107 108 -109 -110
0.19/0.21	v  -111 -112 113 114 -115 -116 -117 -118 119 120
0.19/0.21	v  121 122 -123 -124 125 126 127 -128 129 -130
0.19/0.21	v  131 132 133 134 135 136 -137 138 139 140
0.19/0.21	v  -141 142 -143 -144 145 -146 147 -148 -149 150
0.19/0.21	v  151 -152 -153 154 -155 -156 -157 -158 159 160
0.19/0.21	v  161 162 -163 -164 165 -166 -167 -168 169 -170
0.19/0.21	v  -171 -172 -173 -174 -175 176 177 -178 179 180
0.19/0.21	v  -181 182 183 184 -185 186 -187 -188 -189 190
0.19/0.21	v  191 -192 -193 194 -195 -196 -197 198 -199 -200
0.19/0.21	v  -201 -202 203 -204 205 206 207 -208 209 -210
0.19/0.21	v  -211 -212 -213 -214 215 216 217 -218 219 -220
0.19/0.21	v  -221 -222 223 -224 225 -226 -227 -228 229 230
0.19/0.21	v  -231 -232 233 -234 235 -236 237 238 239 240
0.19/0.21	v  -241 242 -243 -244 -245 246 247 -248 249 250
0.19/0.21	v  251 252 -253 254 255 256 -257 258 -259 260
0.19/0.21	v  -261 262 263 -264 -265 266 267 -268 269 270
0.19/0.21	v  271 272 -273 274 275 -276 -277 -278 -279 280
0.19/0.21	v  281 282 283 -284 -285 286 287 288 -289 -290
0.19/0.21	v  291 292 293 294 -295 296 297 -298 299 300
0.19/0.21	v  301 -302 303 -304 -305 306 -307 -308 309 310
0.19/0.21	v  -311 312 -313 -314 315 -316 317 318 319 320
0.19/0.21	v  -321 322 323 -324 325 -326 327 -328 -329 -330
0.19/0.21	v  -331 -332 333 -334 335 336 337 338 -339 -340
0.19/0.21	v  -341 342 343 344 -345 -346 -347 348 349 350
0.19/0.21	v  351 -352 -353 -354 -355 -356 357 -358 359 -360
0.19/0.21	v  361 362 -363 -364 365 366 367 -368 369 370
0.19/0.21	v  371 372 -373 -374 -375 376 -377 378 -379 380
0.19/0.21	v  381 382 -383 384 -385 -386 387 388 -389 390
0.19/0.21	v  391 -392 -393 394 -395 -396 -397 -398 399 400
0.19/0.21	v  -401 402 403 404 405 406 -407 408 409 -410
0.19/0.21	v  -411 412 413 -414 415 416 -417 -418 -419 420
0.19/0.21	v  -421 -422 -423 -424 -425 426 -427 -428 -429 430
0.19/0.21	v  -431 432 433 -434 435 436 -437 438 439 -440
0.19/0.21	v  -441 -442 443 444 445 -446 447 448 449 450
0.19/0.21	v  451 -452 -453 454 455 456 -457 458 -459 460
0.19/0.21	v  461 -462 463 464 465 466 467 468 -469 -470
0.19/0.21	v  471 472 -473 -474 475 476 -477 -478 -479 -480
0.19/0.21	v  -481 -482 -483 -484 -485 486 -487 -488 489 -490
0.19/0.21	v  -491 -492 -493 494 495 496 497 -498 499 500
0.19/0.21	v  -501 -502 -503 504 -505 506 507 -508 -509 510
0.19/0.21	v  511 512 -513 514 515 -516 517 518 -519 520
0.19/0.21	v  -521 522 523 524 -525 526 527 -528 -529 -530
0.19/0.21	v  -531 -532 -533 -534 -535 -536 -537 538 -539 -540
0.19/0.21	v  -541 542 -543 544 -545 546 547 -548 549 -550
0.19/0.21	v  -551 -552 553 554 555 -556 -557 558 559 -560
0.19/0.21	v  -561 562 563 564 -565 -566 -567 568 -569 -570
0.19/0.21	v  -571 -572 573 -574 575 576 -577 578 -579 580
0.19/0.21	v  581 -582 -583 584 585 586 -587 588 -589 -590
0.19/0.21	v  591 -592 -593 594 595 596 -597 598 599 600
0.19/0.21	v  601 602 -603 604 -605 -606 607 608 -609 610
0.19/0.21	v  611 -612 -613 -614 615 -616 617 -618 619 620
0.19/0.21	v  621 622 623 624 625 -626 -627 628 -629 630
0.19/0.21	v  -631 -632 -633 634 -635 -636 -637 638 639 640
0.19/0.21	v  641 -642 643 644 645 -646 647 648 649 650
0.19/0.21	v  0
0.19/0.21	c SearchSteps = 408869
0.19/0.21	c SolveTime = 0.21

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-3162814-1301709673/watcher-3162814-1301709673 -o /tmp/evaluation-result-3162814-1301709673/solver-3162814-1301709673 -C 2400 -W 1300 -M 7680 sparrow2011 HOME/instance-3162814-1301709673.cnf 1234505598 

running on 2 cores: 5,7

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: 3.80 3.99 4.88 4/189 10193
/proc/meminfo: memFree=22377888/32951124 swapFree=67111528/67111528
[pid=10193] ppid=10191 vsize=12228 CPUtime=0 cores=5,7
/proc/10193/stat : 10193 (sparrow2011) R 10191 10193 9762 0 -1 4202496 436 0 0 0 0 0 0 0 25 0 1 0 263382942 12521472 375 33554432000 4194304 4568220 140733436629664 18446744073709551615 4240010 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/10193/statm: 3057 375 173 92 0 1441 0

[startup+0.096637 s]
/proc/loadavg: 3.80 3.99 4.88 4/189 10193
/proc/meminfo: memFree=22377888/32951124 swapFree=67111528/67111528
[pid=10193] ppid=10191 vsize=12228 CPUtime=0.09 cores=5,7
/proc/10193/stat : 10193 (sparrow2011) R 10191 10193 9762 0 -1 4202496 436 0 0 0 9 0 0 0 25 0 1 0 263382942 12521472 375 33554432000 4194304 4568220 140733436629664 18446744073709551615 4239630 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/10193/statm: 3057 375 173 92 0 1441 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12228

[startup+0.100638 s]
/proc/loadavg: 3.80 3.99 4.88 4/189 10193
/proc/meminfo: memFree=22377888/32951124 swapFree=67111528/67111528
[pid=10193] ppid=10191 vsize=12228 CPUtime=0.09 cores=5,7
/proc/10193/stat : 10193 (sparrow2011) R 10191 10193 9762 0 -1 4202496 436 0 0 0 9 0 0 0 25 0 1 0 263382942 12521472 375 33554432000 4194304 4568220 140733436629664 18446744073709551615 4243070 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/10193/statm: 3057 375 173 92 0 1441 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12228

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

[startup+0.200614 s]
/proc/loadavg: 3.80 3.99 4.88 4/189 10193
/proc/meminfo: memFree=22377888/32951124 swapFree=67111528/67111528
[pid=10193] ppid=10191 vsize=12228 CPUtime=0.19 cores=5,7
/proc/10193/stat : 10193 (sparrow2011) R 10191 10193 9762 0 -1 4202496 436 0 0 0 19 0 0 0 25 0 1 0 263382942 12521472 375 33554432000 4194304 4568220 140733436629664 18446744073709551615 4240096 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/10193/statm: 3057 375 173 92 0 1441 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 12228

Child status: 10
Real time (s): 0.213262
CPU time (s): 0.212966
CPU user time (s): 0.211967
CPU system time (s): 0.000999
CPU usage (%): 99.8611
Max. virtual memory (cumulated for all children) (KiB): 12228

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.211967
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= 454
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= 4

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node143 at 2011-04-02 04:01:13
IDJOB=3162814
IDBENCH=83045
IDSOLVER=1573
FILE ID=node143/3162814-1301709673
RUNJOBID= node143-1301708360-9783
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-v650-c2769-S466707249-079.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3162814-1301709673/watcher-3162814-1301709673 -o /tmp/evaluation-result-3162814-1301709673/solver-3162814-1301709673 -C 2400 -W 1300 -M 7680  sparrow2011 HOME/instance-3162814-1301709673.cnf 1234505598

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

MD5SUM BENCH= 5668e95cadc5ec51544c425c57e1c075
RANDOM SEED=1234505598

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:      22378044 kB
Buffers:        348156 kB
Cached:        9894996 kB
SwapCached:          0 kB
Active:        7020292 kB
Inactive:      3292416 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22378044 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            1708 kB
Writeback:           0 kB
AnonPages:       69564 kB
Mapped:          16200 kB
Slab:           196800 kB
PageTables:       4992 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   265868 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 04:01:14