Trace number 3261796

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 0.240962 0.242009

General information on the benchmark

Namecrafted/kullmann/GreenTao/
GreenTaok1k2/GreenTao_2-3-5_527.cnf
MD5SUM2b93573a7ecda0c32aa008181e0ed582
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.144977
Satisfiable
(Un)Satisfiability was proved
Number of variables526
Number of clauses12647
Sum of the clauses size38609
Maximum clause length5
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 312313
Number of clauses of size 40
Number of clauses of size 5334
Number of clauses of size over 50

Solver Data 

0.19/0.24	c 0 clauses are redundant and removed
0.19/0.24	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.19/0.24	c 0 vars are fixed and 0 clauses are removed after lookahead
0.19/0.24	c initial seed is 766984370
0.19/0.24	c try=1 flip j=126939 walk=104878 seed 766984387
0.19/0.24	c A solution is found
0.19/0.24	s SATISFIABLE
0.19/0.24	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 
0.19/0.24	v 0 
0.19/0.24	c Done (mycputime is 0 seconds)

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-3261796-1303542502/watcher-3261796-1303542502 -o /tmp/evaluation-result-3261796-1303542502/solver-3261796-1303542502 -C 2400 -W 1300 -M 7680 sattime+ HOME/instance-3261796-1303542502.cnf 766984257 

running on 2 cores: 0,2

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: 1.03 2.52 3.19 4/178 2513
/proc/meminfo: memFree=16269500/32951124 swapFree=67111528/67111528
[pid=2513] ppid=2511 vsize=880896 CPUtime=0 cores=0,2
/proc/2513/stat : 2513 (sattime+) R 2511 2513 2008 0 -1 4194304 261 0 0 0 0 0 0 0 22 0 1 0 465850598 902037504 205 33554432000 4194304 4228340 140733888154688 18446744073709551615 253640859392 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/2513/statm: 220224 205 101 9 0 217381 0

[startup+0.0821689 s]
/proc/loadavg: 1.03 2.52 3.19 4/178 2513
/proc/meminfo: memFree=16269500/32951124 swapFree=67111528/67111528
[pid=2513] ppid=2511 vsize=882216 CPUtime=0.08 cores=0,2
/proc/2513/stat : 2513 (sattime+) R 2511 2513 2008 0 -1 4202496 756 0 0 0 8 0 0 0 22 0 1 0 465850598 903389184 698 33554432000 4194304 4228340 140733888154688 18446744073709551615 4218523 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/2513/statm: 220554 698 116 9 0 217711 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 882216

[startup+0.101168 s]
/proc/loadavg: 1.03 2.52 3.19 4/178 2513
/proc/meminfo: memFree=16269500/32951124 swapFree=67111528/67111528
[pid=2513] ppid=2511 vsize=882216 CPUtime=0.09 cores=0,2
/proc/2513/stat : 2513 (sattime+) R 2511 2513 2008 0 -1 4202496 756 0 0 0 9 0 0 0 22 0 1 0 465850598 903389184 698 33554432000 4194304 4228340 140733888154688 18446744073709551615 4218958 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/2513/statm: 220554 698 116 9 0 217711 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 882216

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

[startup+0.201156 s]
/proc/loadavg: 1.03 2.52 3.19 4/178 2513
/proc/meminfo: memFree=16269500/32951124 swapFree=67111528/67111528
[pid=2513] ppid=2511 vsize=882216 CPUtime=0.19 cores=0,2
/proc/2513/stat : 2513 (sattime+) R 2511 2513 2008 0 -1 4202496 756 0 0 0 19 0 0 0 23 0 1 0 465850598 903389184 698 33554432000 4194304 4228340 140733888154688 18446744073709551615 4218523 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/2513/statm: 220554 698 116 9 0 217711 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 882216

Child status: 10
Real time (s): 0.242009
CPU time (s): 0.240962
CPU user time (s): 0.238963
CPU system time (s): 0.001999
CPU usage (%): 99.5674
Max. virtual memory (cumulated for all children) (KiB): 882216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.238963
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= 760
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= 3
involuntary context switches= 2

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node106 at 2011-04-23 09:08:22
IDJOB=3261796
IDBENCH=83252
IDSOLVER=1579
FILE ID=node106/3261796-1303542502
RUNJOBID= node106-1303542502-2487
PBS_JOBID= 13143132
Free space on /tmp= 71748 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT11/crafted/kullmann/GreenTao/GreenTaok1k2/GreenTao_2-3-5_527.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3261796-1303542502/watcher-3261796-1303542502 -o /tmp/evaluation-result-3261796-1303542502/solver-3261796-1303542502 -C 2400 -W 1300 -M 7680  sattime+ HOME/instance-3261796-1303542502.cnf 766984257

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

MD5SUM BENCH= 2b93573a7ecda0c32aa008181e0ed582
RANDOM SEED=766984257

node106.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		: 2666.830
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		: 2666.830
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	: 5226.20
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		: 2666.830
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		: 2666.830
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	: 5332.82
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		: 2666.830
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	: 5332.74
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		: 2666.830
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	: 5332.75
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		: 2666.830
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		: 2666.830
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      16269532 kB
Buffers:       1981280 kB
Cached:       14068240 kB
SwapCached:          0 kB
Active:        9613012 kB
Inactive:      6508864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16269532 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           17092 kB
Writeback:           0 kB
AnonPages:       70880 kB
Mapped:          14484 kB
Slab:           496096 kB
PageTables:       5144 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   199648 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= 71712 MiB
End job on node106 at 2011-04-23 09:08:22