Trace number 310526

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, and are wall clock time (not CPU 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
UnitMarch 2007-02-08SAT 4.92925 4.93111

General information on the benchmark

Namerandom/2+p/p0.9/v630/
unif2p-p0.9-v630-c2280-S1244126495-18-SAT.cnf
MD5SUM7170ef62ab1f0b3de97654e24bebe902
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.010998
Satisfiable
(Un)Satisfiability was proved
Number of variables630
Number of clauses2280
Sum of the clauses size6612
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2228
Number of clauses of size 32052
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c UnitMarch starting with seed 1804289383 on /tmp/evaluation/310526-1172560213/instance-310526-1172560213.cnf
0.00/0.01	c found 0 unit clauses in formula
4.91/4.92	c Periods: 1166
4.91/4.92	c satisfying mask: 00100000000000000000000000000000
4.91/4.92	s SATISFIABLE
4.91/4.92	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 
4.91/4.92	c Runtime statistics:
4.91/4.92	c   Overall running time  = 4.920000

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node39/watcher-310526-1172560213 -o ROOT/results/node39/solver-310526-1172560213 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310526-1172560213/UnitMarch_32_bits /tmp/evaluation/310526-1172560213/instance-310526-1172560213.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 28086
/proc/meminfo: memFree=1845496/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1036 CPUtime=0
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 147 0 0 0 0 0 0 0 18 0 1 0 275977172 1060864 130 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 135006120 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 259 130 92 214 0 42 0

[startup+0.106319 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 28086
/proc/meminfo: memFree=1845496/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=0.1
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 202 0 0 0 10 0 0 0 18 0 1 0 275977172 1335296 185 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529651 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 185 97 214 0 109 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1304

[startup+0.51452 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 28086
/proc/meminfo: memFree=1845496/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=0.51
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 202 0 0 0 51 0 0 0 22 0 1 0 275977172 1335296 185 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529541 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 185 97 214 0 109 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 1304

[startup+1.33453 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1845104/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=1.33
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 133 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529693 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 1304

[startup+2.97081 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1845040/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=2.96
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 296 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134518926 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 1304

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

[startup+3.27986 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1845040/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=3.27
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 327 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529625 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 3.27
Current children cumulated vsize (KiB) 1304

[startup+4.1 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1844976/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=4.09
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 409 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529728 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 1304

[startup+4.50807 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1844976/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=4.5
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 450 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529689 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 4.5
Current children cumulated vsize (KiB) 1304

[startup+4.92014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 28087
/proc/meminfo: memFree=1844976/2055920 swapFree=4161536/4192956
[pid=28086] ppid=28084 vsize=1304 CPUtime=4.91
/proc/28086/stat : 28086 (UnitMarch_32_bi) R 28084 28086 27619 0 -1 4194304 203 0 0 0 491 0 0 0 25 0 1 0 275977172 1335296 186 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134529689 0 0 4096 0 0 0 0 17 1 0 0
/proc/28086/statm: 326 186 97 214 0 109 0
Current children cumulated CPU time (s) 4.91
Current children cumulated vsize (KiB) 1304

Child status: 10
Real time (s): 4.93111
CPU time (s): 4.92925
CPU user time (s): 4.92725
CPU system time (s): 0.001999
CPU usage (%): 99.9622
Max. virtual memory (cumulated for all children) (KiB): 1304

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.92725
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 214
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= 8
involuntary context switches= 7

runsolver used 0.005999 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node39 on Tue Feb 27 07:10:13 UTC 2007

IDJOB= 310526
IDBENCH= 20290
IDSOLVER= 97
FILE ID= node39/310526-1172560213

PBS_JOBID= 3971883

Free space on /tmp= 66557 MiB

SOLVER NAME= UnitMarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.9/v630/unif2p-p0.9-v630-c2280-S1244126495-18-SAT.cnf
COMMAND LINE= /tmp/evaluation/310526-1172560213/UnitMarch_32_bits /tmp/evaluation/310526-1172560213/instance-310526-1172560213.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-310526-1172560213 -o ROOT/results/node39/solver-310526-1172560213 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310526-1172560213/UnitMarch_32_bits /tmp/evaluation/310526-1172560213/instance-310526-1172560213.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  7170ef62ab1f0b3de97654e24bebe902

RANDOM SEED= 76403531

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node39.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.285
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.285
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1845904 kB
Buffers:         20128 kB
Cached:         119668 kB
SwapCached:      25852 kB
Active:          71220 kB
Inactive:       100932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1845904 kB
SwapTotal:     4192956 kB
SwapFree:      4161536 kB
Dirty:            2600 kB
Writeback:           0 kB
Mapped:          15212 kB
Slab:            23896 kB
Committed_AS:   654884 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66557 MiB

End job on node39 on Tue Feb 27 07:10:18 UTC 2007