Trace number 3221527

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 0.072988 0.0722989

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v600-c2556-S727005963-093.SATISFIABLE.cnf
MD5SUM91e4bda9499071fffccca1352d82691f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses2556
Sum of the clauses size7668
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32556
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.07	c 
0.00/0.07	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.07	c 
0.00/0.07	c http://www.satlib.org/ubcsat
0.00/0.07	c 
0.00/0.07	c ubcsat -h for help
0.00/0.07	c 
0.00/0.07	s SATISFIABLE
0.00/0.07	v  1 2 3 -4 -5 -6 7 8 -9 10
0.00/0.07	v  11 12 -13 -14 15 -16 -17 18 19 20
0.00/0.07	v  -21 22 -23 -24 -25 -26 -27 28 -29 30
0.00/0.07	v  -31 -32 -33 -34 35 -36 37 38 -39 40
0.00/0.07	v  -41 42 -43 44 -45 46 47 48 49 -50
0.00/0.07	v  -51 -52 53 54 -55 56 -57 58 -59 60
0.00/0.07	v  61 -62 -63 -64 -65 -66 -67 -68 -69 -70
0.00/0.07	v  -71 72 73 -74 75 -76 77 78 79 80
0.00/0.07	v  81 82 83 84 -85 -86 -87 88 89 90
0.00/0.07	v  91 -92 -93 -94 95 -96 -97 -98 -99 -100
0.00/0.07	v  101 102 -103 104 105 106 -107 108 -109 110
0.00/0.07	v  111 112 -113 114 115 -116 117 118 119 120
0.00/0.07	v  -121 -122 -123 124 -125 126 127 -128 -129 130
0.00/0.07	v  131 -132 -133 -134 135 -136 -137 -138 -139 140
0.00/0.07	v  -141 142 143 144 -145 146 -147 -148 149 -150
0.00/0.07	v  151 152 -153 154 -155 156 -157 -158 159 160
0.00/0.07	v  -161 162 -163 164 -165 166 167 -168 -169 170
0.00/0.07	v  171 172 173 -174 -175 176 -177 -178 -179 -180
0.00/0.07	v  -181 182 -183 -184 -185 186 -187 188 189 190
0.00/0.07	v  -191 -192 193 -194 -195 -196 -197 198 199 -200
0.00/0.07	v  -201 -202 -203 -204 -205 206 207 -208 209 -210
0.00/0.07	v  211 -212 -213 214 215 216 217 -218 -219 220
0.00/0.07	v  221 -222 223 224 -225 226 -227 -228 -229 230
0.00/0.07	v  231 -232 -233 234 235 -236 -237 238 -239 -240
0.00/0.07	v  -241 -242 -243 -244 245 246 -247 248 -249 250
0.00/0.07	v  -251 -252 253 -254 255 -256 -257 -258 259 260
0.00/0.07	v  261 262 263 264 -265 -266 267 -268 -269 -270
0.00/0.07	v  -271 272 -273 274 -275 276 277 278 279 -280
0.00/0.07	v  281 -282 -283 284 285 286 287 288 289 290
0.00/0.07	v  -291 -292 293 -294 295 -296 -297 -298 299 -300
0.00/0.07	v  301 -302 -303 -304 305 306 307 -308 -309 -310
0.00/0.07	v  311 -312 313 -314 -315 316 -317 -318 -319 320
0.00/0.07	v  -321 322 323 -324 -325 326 -327 328 329 -330
0.00/0.07	v  331 332 333 -334 335 336 -337 338 339 -340
0.00/0.07	v  -341 -342 -343 -344 -345 -346 -347 -348 349 -350
0.00/0.07	v  351 -352 353 -354 -355 356 357 358 359 -360
0.00/0.07	v  -361 362 363 -364 365 -366 -367 -368 -369 -370
0.00/0.07	v  371 -372 373 374 -375 376 377 -378 379 -380
0.00/0.07	v  381 382 -383 -384 385 386 387 388 389 -390
0.00/0.07	v  -391 -392 -393 394 395 -396 -397 -398 399 400
0.00/0.07	v  401 402 -403 404 -405 -406 -407 -408 409 410
0.00/0.07	v  411 412 413 414 415 416 -417 -418 419 -420
0.00/0.07	v  -421 -422 423 -424 -425 -426 -427 -428 -429 -430
0.00/0.07	v  431 432 -433 434 435 436 -437 438 439 440
0.00/0.07	v  -441 442 443 -444 -445 446 -447 448 -449 -450
0.00/0.07	v  451 452 -453 -454 -455 456 457 -458 459 -460
0.00/0.07	v  -461 -462 -463 -464 -465 466 -467 468 469 -470
0.00/0.07	v  -471 -472 -473 474 475 -476 -477 478 479 -480
0.00/0.07	v  -481 482 -483 -484 -485 486 -487 -488 -489 -490
0.00/0.07	v  -491 492 -493 -494 495 -496 497 -498 -499 500
0.00/0.07	v  -501 -502 503 -504 -505 506 -507 -508 509 -510
0.00/0.07	v  -511 512 513 -514 -515 -516 -517 -518 -519 -520
0.00/0.07	v  -521 -522 523 -524 525 -526 527 528 -529 530
0.00/0.07	v  531 532 -533 534 535 536 -537 538 -539 -540
0.00/0.07	v  541 -542 -543 544 -545 -546 -547 548 549 -550
0.00/0.07	v  -551 -552 -553 -554 555 -556 -557 558 559 560
0.00/0.07	v  -561 562 563 564 -565 566 567 568 -569 570
0.00/0.07	v  571 -572 573 -574 -575 -576 -577 -578 -579 -580
0.00/0.07	v  581 582 583 -584 -585 -586 -587 588 -589 -590
0.00/0.07	v  -591 592 593 594 595 -596 -597 598 599 600
0.00/0.07	v  0
0.00/0.07	c SearchSteps = 138227
0.00/0.07	c SolveTime = 0.07

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-3221527-1303294372/watcher-3221527-1303294372 -o /tmp/evaluation-result-3221527-1303294372/solver-3221527-1303294372 -C 5000 -W 5000 -M 15500 sparrow2011 HOME/instance-3221527-1303294372.cnf 1882851223 

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): 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 1/176 23462
/proc/meminfo: memFree=14299160/32951124 swapFree=67111528/67111528
[pid=23462] ppid=23460 vsize=12228 CPUtime=0 cores=1,3,5,7
/proc/23462/stat : 23462 (sparrow2011) R 23460 23462 23167 0 -1 4202496 431 0 0 0 0 0 0 0 25 0 1 0 441035056 12521472 371 33554432000 4194304 4568220 140735822128672 18446744073709551615 4239757 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23462/statm: 3057 371 173 92 0 1441 0

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

Child status: 10
Real time (s): 0.0722989
CPU time (s): 0.072988
CPU user time (s): 0.071989
CPU system time (s): 0.000999
CPU usage (%): 100.953
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.071989
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= 449
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 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node133 at 2011-04-20 12:12:52
IDJOB=3221527
IDBENCH=82938
IDSOLVER=1636
FILE ID=node133/3221527-1303294372
RUNJOBID= node133-1303289369-23186
PBS_JOBID= 13049600
Free space on /tmp= 72120 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v600-c2556-S727005963-093.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3221527-1303294372/watcher-3221527-1303294372 -o /tmp/evaluation-result-3221527-1303294372/solver-3221527-1303294372 -C 5000 -W 5000 -M 15500  sparrow2011 HOME/instance-3221527-1303294372.cnf 1882851223

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

MD5SUM BENCH= 91e4bda9499071fffccca1352d82691f
RANDOM SEED=1882851223

node133.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		: 2666.834
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		: 2666.834
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		: 2666.834
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	: 5332.82
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		: 2666.834
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	: 6741.12
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		: 2666.834
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	: 5332.74
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		: 2666.834
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		: 2666.834
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		: 2666.834
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      14299440 kB
Buffers:        728200 kB
Cached:       17500624 kB
SwapCached:          0 kB
Active:        6933188 kB
Inactive:     11358724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      14299440 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             408 kB
Writeback:           0 kB
AnonPages:       62716 kB
Mapped:          14700 kB
Slab:           297488 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   187708 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= 72120 MiB
End job on node133 at 2011-04-20 12:12:52