Trace number 3169733

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
sattime+ 2011-03-02SAT 1.53677 1.5368

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v650-c2769-S525571208-063.SATISFIABLE.cnf
MD5SUM0d5db3c80640d96c57ce9e3d0b9dc725
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.020995
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 

1.49/1.53	c 0 clauses are redundant and removed
1.49/1.53	c 0 vars are fixed and 0 clauses are removed after unit propagation
1.49/1.53	c 0 vars are fixed and 0 clauses are removed after lookahead
1.49/1.53	c initial seed is 1852585375
1.49/1.53	c try=1 flip j=3770926 walk=3433051 seed 1852585392
1.49/1.53	c A solution is found
1.49/1.53	s SATISFIABLE
1.49/1.53	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 -630 631 -632 633 634 -635 636 -637 638 -639 -640 -641 642 643 -644 -645 -646 -647 648 -649 -650 
1.49/1.53	v 0 
1.49/1.53	c Done (mycputime is 1 seconds)

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-3169733-1301694333/watcher-3169733-1301694333 -o /tmp/evaluation-result-3169733-1301694333/solver-3169733-1301694333 -C 2400 -W 1300 -M 7680 sattime+ HOME/instance-3169733-1301694333.cnf 1852585262 

running on 2 cores: 1,3

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: 4.11 4.03 3.92 2/182 10103
/proc/meminfo: memFree=19904412/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=0 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 0 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4218846 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0

[startup+0.0145471 s]
/proc/loadavg: 4.11 4.03 3.92 2/182 10103
/proc/meminfo: memFree=19904412/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=0.01 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 1 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4214457 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 881028

[startup+0.100565 s]
/proc/loadavg: 4.11 4.03 3.92 2/182 10103
/proc/meminfo: memFree=19904412/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=0.09 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 9 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4217278 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 881028

[startup+0.300531 s]
/proc/loadavg: 4.11 4.03 3.92 2/182 10103
/proc/meminfo: memFree=19904412/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=0.29 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 29 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4218863 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 881028

[startup+0.700459 s]
/proc/loadavg: 4.11 4.03 3.92 2/182 10103
/proc/meminfo: memFree=19904412/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=0.69 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 69 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4218532 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 881028

[startup+1.50032 s]
/proc/loadavg: 4.11 4.03 3.92 4/185 10158
/proc/meminfo: memFree=19908560/32951124 swapFree=67111528/67111528
[pid=10103] ppid=10101 vsize=881028 CPUtime=1.49 cores=1,3
/proc/10103/stat : 10103 (sattime+) R 10101 10103 9494 0 -1 4202496 365 0 0 0 149 0 0 0 25 0 1 0 261848641 902172672 305 33554432000 4194304 4228340 140735672535728 18446744073709551615 4216919 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10103/statm: 220257 305 116 9 0 217414 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 881028

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

Child status: 10
Real time (s): 1.5368
CPU time (s): 1.53677
CPU user time (s): 1.53477
CPU system time (s): 0.001999
CPU usage (%): 99.9978
Max. virtual memory (cumulated for all children) (KiB): 881028

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.53477
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= 370
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= 19

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node140 at 2011-04-01 23:45:33
IDJOB=3169733
IDBENCH=82751
IDSOLVER=1579
FILE ID=node140/3169733-1301694333
RUNJOBID= node140-1301690420-9514
PBS_JOBID= 12840696
Free space on /tmp= 71328 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v650-c2769-S525571208-063.SATISFIABLE.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3169733-1301694333/watcher-3169733-1301694333 -o /tmp/evaluation-result-3169733-1301694333/solver-3169733-1301694333 -C 2400 -W 1300 -M 7680  sattime+ HOME/instance-3169733-1301694333.cnf 1852585262

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

MD5SUM BENCH= 0d5db3c80640d96c57ce9e3d0b9dc725
RANDOM SEED=1852585262

node140.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		: 2666.833
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		: 2666.833
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	: 5226.14
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		: 2666.833
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	: 5332.75
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		: 2666.833
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	: 5332.77
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		: 2666.833
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		: 2666.833
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	: 5332.74
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		: 2666.833
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	: 5332.75
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		: 2666.833
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:      19904568 kB
Buffers:        354912 kB
Cached:       12345600 kB
SwapCached:          0 kB
Active:        7529284 kB
Inactive:      5237956 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      19904568 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            7780 kB
Writeback:           0 kB
AnonPages:       66772 kB
Mapped:          15276 kB
Slab:           214956 kB
PageTables:       5572 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1117268 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= 71324 MiB
End job on node140 at 2011-04-01 23:45:35