Trace number 300950

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 17.7173 17.7241

General information on the benchmark

Namerandom/LargeSize/5SAT/v600/
unif-k5-r20-v600-c12000-S793374232-15.cnf
MD5SUM6e9f9b40f58898d74ef75a0a472d48ed
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark7.8948
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)

17.61/17.72	c try 1 flip j 1794582
17.61/17.72	c A solution is found
17.61/17.72	s SATISFIABLE
17.61/17.72	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 
17.61/17.72	v 0 
17.61/17.72	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/node2/watcher-300950-1171944733 -o ROOT/results/node2/solver-300950-1171944733 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/300950-1171944733/Hybrid1 /tmp/evaluation/300950-1171944733/instance-300950-1171944733.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: 1.06 1.00 1.00 3/77 8488
/proc/meminfo: memFree=365056/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=244720 CPUtime=0
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 95 0 0 0 0 0 0 0 18 0 1 0 214428248 250593280 79 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134604589 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 61180 79 39 103 0 60684 0

[startup+0.106861 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 8488
/proc/meminfo: memFree=365056/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=245772 CPUtime=0.1
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 426 0 0 0 10 0 0 0 18 0 1 0 214428248 251670528 409 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134523464 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 61443 409 40 103 0 60947 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 245772

[startup+0.514902 s]
/proc/loadavg: 1.06 1.00 1.00 3/77 8488
/proc/meminfo: memFree=365056/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=0.51
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 51 0 0 0 21 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134545320 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 248148

[startup+1.33499 s]
/proc/loadavg: 1.06 1.00 1.00 2/78 8489
/proc/meminfo: memFree=362168/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=1.33
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 133 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134552261 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 248148

[startup+2.97116 s]
/proc/loadavg: 1.06 1.00 1.00 2/78 8489
/proc/meminfo: memFree=362040/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=2.96
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 296 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134552243 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 248148

[startup+6.2475 s]
/proc/loadavg: 1.05 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=6.23
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 623 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551613 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 248148

[startup+12.7042 s]
/proc/loadavg: 1.05 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=12.69
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1269 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551576 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/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+13.1132 s]
/proc/loadavg: 1.05 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=13.1
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1310 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551689 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 13.1
Current children cumulated vsize (KiB) 248148

[startup+14.7534 s]
/proc/loadavg: 1.04 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=14.74
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1474 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134545109 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 14.74
Current children cumulated vsize (KiB) 248148

[startup+16.3955 s]
/proc/loadavg: 1.04 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=16.38
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1638 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551155 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 16.38
Current children cumulated vsize (KiB) 248148

[startup+17.2156 s]
/proc/loadavg: 1.04 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=17.2
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1720 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134551583 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 17.2
Current children cumulated vsize (KiB) 248148

[startup+17.6237 s]
/proc/loadavg: 1.04 1.00 1.00 2/78 8489
/proc/meminfo: memFree=361848/2055920 swapFree=4192812/4192956
[pid=8488] ppid=8486 vsize=248148 CPUtime=17.61
/proc/8488/stat : 8488 (Hybrid1) R 8486 8488 8158 0 -1 4194304 719 0 0 0 1761 0 0 0 25 0 1 0 214428248 254103552 699 18446744073709551615 134512640 134935932 4294956624 18446744073709551615 134552328 0 0 4096 0 0 0 0 17 1 0 0
/proc/8488/statm: 62037 699 44 103 0 61541 0
Current children cumulated CPU time (s) 17.61
Current children cumulated vsize (KiB) 248148

Child status: 10
Real time (s): 17.7241
CPU time (s): 17.7173
CPU user time (s): 17.7093
CPU system time (s): 0.007998
CPU usage (%): 99.9617
Max. virtual memory (cumulated for all children) (KiB): 248148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.7093
system time used= 0.007998
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= 22

runsolver used 0.026995 second user time and 0.043993 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Tue Feb 20 04:12:13 UTC 2007

IDJOB= 300950
IDBENCH= 20047
IDSOLVER= 115
FILE ID= node2/300950-1171944733

PBS_JOBID= 3848951

Free space on /tmp= 66545 MiB

SOLVER NAME= Hybrid1 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v600/unif-k5-r20-v600-c12000-S793374232-15.cnf
COMMAND LINE= /tmp/evaluation/300950-1171944733/Hybrid1 /tmp/evaluation/300950-1171944733/instance-300950-1171944733.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-300950-1171944733 -o ROOT/results/node2/solver-300950-1171944733 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/300950-1171944733/Hybrid1 /tmp/evaluation/300950-1171944733/instance-300950-1171944733.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  6e9f9b40f58898d74ef75a0a472d48ed

RANDOM SEED= 12705966

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.247
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		: 3000.247
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:        365528 kB
Buffers:         53720 kB
Cached:        1498108 kB
SwapCached:          0 kB
Active:        1038308 kB
Inactive:       573404 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        365528 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6404 kB
Writeback:           0 kB
Mapped:          78732 kB
Slab:            64256 kB
Committed_AS:  1172076 kB
PageTables:       1812 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= 66545 MiB

End job on node2 on Tue Feb 20 04:12:31 UTC 2007