Trace number 300991

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
Hybrid1 2007-02-08SAT 21.7367 21.7455

General information on the benchmark

Namerandom/LargeSize/5SAT/v600/
unif-k5-r20-v600-c12000-S811866391-08.cnf
MD5SUMe2bcd99348dd1a340f87926981c0a2e4
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark21.7367
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses12000
Sum of the clauses size60000
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 512000
Number of clauses of size over 50

Solver Data (download as text)

21.70/21.74	c try 1 flip j 2217091
21.70/21.74	c A solution is found
21.70/21.74	s SATISFIABLE
21.70/21.74	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 
21.70/21.74	v 0 
21.70/21.74	c Done (mycputime is 0.002 seconds)

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/node11/watcher-300991-1171946940 -o ROOT/results/node11/solver-300991-1171946940 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/300991-1171946940/Hybrid1 /tmp/evaluation/300991-1171946940/instance-300991-1171946940.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 3/77 26507
/proc/meminfo: memFree=1640328/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=244720 CPUtime=0
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 95 0 0 0 0 0 0 0 18 0 1 0 214648561 250593280 79 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134604589 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 61180 79 39 103 0 60684 0

[startup+0.107848 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 26507
/proc/meminfo: memFree=1640328/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=245772 CPUtime=0.1
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 426 0 0 0 10 0 0 0 18 0 1 0 214648561 251670528 409 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134523472 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 61443 409 40 103 0 60947 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 245772

[startup+0.518896 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 26507
/proc/meminfo: memFree=1640328/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=0.51
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 51 0 0 0 22 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134544835 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 248148

[startup+1.33899 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637568/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=1.33
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 133 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134553111 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 248148

[startup+2.97519 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637440/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=2.97
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 297 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134552594 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 248148

[startup+6.25157 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=6.24
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 624 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134552622 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 248148

[startup+12.7083 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=12.69
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 1269 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134553392 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 248148

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

[startup+13.1164 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=13.1
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 1310 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551583 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 13.1
Current children cumulated vsize (KiB) 248148

[startup+16.3928 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=16.37
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 1637 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551597 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 16.37
Current children cumulated vsize (KiB) 248148

[startup+19.6742 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=19.65
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 1965 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551613 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 19.65
Current children cumulated vsize (KiB) 248148

[startup+20.4943 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=20.47
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 2047 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134545028 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 20.47
Current children cumulated vsize (KiB) 248148

[startup+21.3104 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=21.29
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 2129 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551613 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 21.29
Current children cumulated vsize (KiB) 248148

[startup+21.7224 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 26508
/proc/meminfo: memFree=1637184/2055920 swapFree=4192812/4192956
[pid=26507] ppid=26505 vsize=248148 CPUtime=21.7
/proc/26507/stat : 26507 (Hybrid1) R 26505 26507 26327 0 -1 4194304 719 0 0 0 2170 0 0 0 25 0 1 0 214648561 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134545336 0 0 4096 0 0 0 0 17 1 0 0
/proc/26507/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 21.7
Current children cumulated vsize (KiB) 248148

Child status: 10
Real time (s): 21.7455
CPU time (s): 21.7367
CPU user time (s): 21.7277
CPU system time (s): 0.008998
CPU usage (%): 99.9595
Max. virtual memory (cumulated for all children) (KiB): 248148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.7277
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 732
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= 475

runsolver used 0.022996 second user time and 0.057991 second system time

The end

Launcher Data (download as text)

Begin job on node11 on Tue Feb 20 04:49:00 UTC 2007

IDJOB= 300991
IDBENCH= 20048
IDSOLVER= 115
FILE ID= node11/300991-1171946940

PBS_JOBID= 3848985

Free space on /tmp= 66540 MiB

SOLVER NAME= Hybrid1 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v600/unif-k5-r20-v600-c12000-S811866391-08.cnf
COMMAND LINE= /tmp/evaluation/300991-1171946940/Hybrid1 /tmp/evaluation/300991-1171946940/instance-300991-1171946940.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node11/watcher-300991-1171946940 -o ROOT/results/node11/solver-300991-1171946940 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/300991-1171946940/Hybrid1 /tmp/evaluation/300991-1171946940/instance-300991-1171946940.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  e2bcd99348dd1a340f87926981c0a2e4

RANDOM SEED= 392300297

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node11.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		: 3000.243
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		: 3000.243
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:       1640800 kB
Buffers:         53940 kB
Cached:         246552 kB
SwapCached:          0 kB
Active:         102476 kB
Inactive:       240992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1640800 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6468 kB
Writeback:           0 kB
Mapped:          61880 kB
Slab:            57236 kB
Committed_AS:   683084 kB
PageTables:       1756 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= 66540 MiB

End job on node11 on Tue Feb 20 04:49:22 UTC 2007