Trace number 3221516

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
MPhaseSAT_M 2011-02-16SAT 1.02084 1.02052

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v550-c2343-S1552308135-080.SATISFIABLE.cnf
MD5SUMbaa799a188281e763705191e4b9d6531
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.026995
Satisfiable
(Un)Satisfiability was proved
Number of variables550
Number of clauses2343
Sum of the clauses size7029
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32343
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.00/1.02	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
1.00/1.02	c input CNF file=HOME/instance-3221516-1303294888.cnf 
1.00/1.02	c Clause#=2343  var#=550  ratio=4 
1.00/1.02	c Simplified clause#=2343 
1.00/1.02	c XOR_varElimination deleted var#=0 clauses#=2337 
1.00/1.02	c inative var#=0 
1.00/1.02	c free var#=534  
1.00/1.02	c local search on 
1.00/1.02	c A solution found by local search 
1.00/1.02	c unfixed var#=15 var#=550 
1.00/1.02	c verified 
1.00/1.02	c 
1.00/1.02	s SATISFIABLE
1.00/1.02	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 -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 -397 399 401 -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 -491 493 494 -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 
1.00/1.02	v 0
1.00/1.02	c 
1.00/1.02	c  Running time=1.018846

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-3221516-1303294888/watcher-3221516-1303294888 -o /tmp/evaluation-result-3221516-1303294888/solver-3221516-1303294888 -C 5000 -W 5000 -M 15500 MPhaseSAT_M HOME/instance-3221516-1303294888.cnf 

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: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=3240 CPUtime=0 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 378 0 0 0 0 0 0 0 25 0 1 0 441088608 3317760 318 33554432000 134512640 134829744 4290256304 18446744073709551615 134541365 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 810 318 238 78 0 96 0

[startup+0.0974101 s]
/proc/loadavg: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=3808 CPUtime=0.09 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 550 0 0 0 9 0 0 0 25 0 1 0 441088608 3899392 490 33554432000 134512640 134829744 4290256304 18446744073709551615 3321918 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 952 490 270 78 0 238 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3808

[startup+0.10041 s]
/proc/loadavg: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=3808 CPUtime=0.09 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 550 0 0 0 9 0 0 0 25 0 1 0 441088608 3899392 490 33554432000 134512640 134829744 4290256304 18446744073709551615 134703720 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 952 490 270 78 0 238 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3808

[startup+0.300374 s]
/proc/loadavg: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=4072 CPUtime=0.29 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 596 0 0 0 29 0 0 0 25 0 1 0 441088608 4169728 536 33554432000 134512640 134829744 4290256304 18446744073709551615 134722768 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 1018 536 270 78 0 304 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4072

[startup+0.700363 s]
/proc/loadavg: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=4336 CPUtime=0.69 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 685 0 0 0 69 0 0 0 25 0 1 0 441088608 4440064 625 33554432000 134512640 134829744 4290256304 18446744073709551615 134719760 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 1084 625 270 78 0 370 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4336

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

[startup+0.900328 s]
/proc/loadavg: 1.97 1.98 1.99 2/177 12755
/proc/meminfo: memFree=23478888/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=4600 CPUtime=0.89 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 731 0 0 0 89 0 0 0 25 0 1 0 441088608 4710400 671 33554432000 134512640 134829744 4290256304 18446744073709551615 4158751345 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 1150 671 273 78 0 436 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 4600

[startup+1.00032 s]
/proc/loadavg: 1.97 1.98 1.99 3/178 12756
/proc/meminfo: memFree=23476904/32950904 swapFree=67082280/67111528
[pid=12755] ppid=12753 vsize=4600 CPUtime=1 cores=1,3,5,7
/proc/12755/stat : 12755 (MPhaseSAT_M) R 12753 12755 12301 0 -1 4202496 731 0 0 0 100 0 0 0 25 0 1 0 441088608 4710400 671 33554432000 134512640 134829744 4290256304 18446744073709551615 134605231 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/12755/statm: 1150 671 273 78 0 436 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 4600

Child status: 10
Real time (s): 1.02052
CPU time (s): 1.02084
CPU user time (s): 1.01884
CPU system time (s): 0.001999
CPU usage (%): 100.032
Max. virtual memory (cumulated for all children) (KiB): 4600

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.01885
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= 741
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= 6
involuntary context switches= 3

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node121 at 2011-04-20 12:21:29
IDJOB=3221516
IDBENCH=82936
IDSOLVER=1637
FILE ID=node121/3221516-1303294888
RUNJOBID= node121-1303289373-12320
PBS_JOBID= 13049602
Free space on /tmp= 72064 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v550-c2343-S1552308135-080.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3221516-1303294888/watcher-3221516-1303294888 -o /tmp/evaluation-result-3221516-1303294888/solver-3221516-1303294888 -C 5000 -W 5000 -M 15500  MPhaseSAT_M HOME/instance-3221516-1303294888.cnf

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

MD5SUM BENCH= baa799a188281e763705191e4b9d6531
RANDOM SEED=2000983483

node121.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		: 2666.817
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	: 5333.63
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		: 2666.817
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	: 5226.07
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		: 2666.817
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	: 5332.84
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		: 2666.817
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		: 2666.817
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	: 5332.82
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		: 2666.817
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		: 2666.817
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		: 2666.817
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:     32950904 kB
MemFree:      23479152 kB
Buffers:        444740 kB
Cached:        8724328 kB
SwapCached:       2780 kB
Active:        6241248 kB
Inactive:      2969076 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      23479152 kB
SwapTotal:    67111528 kB
SwapFree:     67082280 kB
Dirty:             596 kB
Writeback:           0 kB
AnonPages:       39748 kB
Mapped:          15564 kB
Slab:           199144 kB
PageTables:       5108 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS:   209768 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= 72064 MiB
End job on node121 at 2011-04-20 12:21:30