Trace number 3495400

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
OptimuS x100_sourceUNSAT 1.44378 1.44369

General information on the benchmark

NameSAT03/industrial/kukula/addm_bench/
am_5_5.shuffled-as.sat03-361.cnf
MD5SUMd545f1b275cb8b044c819f6765152511
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.44378
Satisfiable
(Un)Satisfiability was proved
Number of variables1076
Number of clauses3677
Sum of the clauses size9977
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 21050
Number of clauses of size 32625
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.39/1.44	c - Reading the instance.. OK! Totally clauses:     3677; Vars:     1076; Time: 0.00
1.39/1.44	c - Unit propagation..     OK! Removed clauses:        3;                 Time: 0.00
1.39/1.44	c - Delete by resolution.. OK! Removed clauses:       97;                 Time: 0.01
1.39/1.44	c   - Solving the original instance..
1.39/1.44	c     - yet UNKNOWN! Continue to clause elimination..
1.39/1.44	c   - round:    1;   Skips in previous round:    0
1.39/1.44	c     - clauses done:  1%; among them skipped: 0.00%;
1.39/1.44	c     - clauses done: 10%; among them skipped: 0.00%;
1.39/1.44	c     - clauses done: 20%; among them skipped: 0.00%;
1.39/1.44	c     - clauses done: 30%; among them skipped: 0.00%;
1.39/1.44	c     - clauses done: 40%; among them skipped: 0.00%;
1.39/1.44	c     - clauses done: 50%; among them skipped: 0.00%;
1.39/1.44	c - Finish! Unsat core size: 1959 / 3677; Time: 1.43 s
1.39/1.44	c - ---------------------------------------------------------------------------
1.39/1.44	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
1.39/1.44	c -             |       3   |     482   |    1046   |     913   |    1233     |
1.39/1.44	c - ---------------------------------------------------------------------------
1.39/1.44	s UNSATISFIABLE
1.39/1.44	v 1 2 3 5 7 10 11 12 18 20 21 22 23 25 28 30 31 33 34 35 36 38 43 44 45 46 47 48 49 50 52 53 57 60 62 63 64 68 71 72 76 77 80 83 86 87 90 91 94 98 101 102 111 114 115 118 119 120 122 126 128 129 131 134 136 140 143 145 146 150 151 153 155 156 157 160 162 163 164 170 174 176 177 178 180 181 188 189 191 196 197 198 200 201 202 203 204 205 208 210 211 219 223 225 226 227 228 229 230 232 233 235 236 239 240 243 244 247 249 250 251 252 254 255 257 259 262 263 265 266 269 272 273 274 279 283 284 288 291 292 293 296 298 299 301 306 307 309 310 312 313 315 317 318 319 322 323 326 328 331 334 335 338 339 343 346 347 348 349 350 351 352 353 356 357 359 360 361 362 363 366 369 370 372 374 376 377 379 380 382 383 385 386 387 389 390 394 396 397 400 402 405 406 410 413 415 417 418 419 423 430 431 433 434 438 439 440 441 443 444 445 447 448 450 451 454 456 457 458 459 461 462 463 467 470 471 472 473 474 476 478 479 480 483 485 487 490 495 496 498 499 500 502 503 504 505 506 509 510 511 513 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3587 3588 3593 3597 3598 3599 3600 3602 3603 3604 3605 3607 3613 3617 3620 3621 3624 3626 3629 3630 3631 3632 3633 3636 3637 3638 3639 3640 3641 3645 3647 3648 3654 3655 3657 3658 3660 3661 3662 3664 3665 3666 3667 3670 3672 3674 0

Verifier Data 

OK	1959

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3495400-1307806590/watcher-3495400-1307806590 -o /tmp/evaluation-result-3495400-1307806590/solver-3495400-1307806590 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3495400-1307806590.cnf 

running on 2 cores: 5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1850 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: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=20044 CPUtime=0 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 624 0 0 0 0 0 0 0 25 0 1 0 892259478 20525056 559 33554432000 4194304 4280283 140735294236288 18446744073709551615 4223275 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5011 559 239 21 0 1648 0

[startup+0.104567 s]
/proc/loadavg: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=20492 CPUtime=0.1 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 1351 0 0 0 10 0 0 0 25 0 1 0 892259478 20983808 1282 33554432000 4194304 4280283 140735294236288 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5123 1282 269 21 0 1760 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 20492

[startup+0.200537 s]
/proc/loadavg: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=17916 CPUtime=0.19 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 2669 0 0 0 19 0 0 0 25 0 1 0 892259478 18345984 1083 33554432000 4194304 4280283 140735294236288 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 4479 1083 270 21 0 1116 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 17916

[startup+0.300523 s]
/proc/loadavg: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=27680 CPUtime=0.29 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 4449 0 0 0 29 0 0 0 25 0 1 0 892259478 28344320 2859 33554432000 4194304 4280283 140735294236288 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 6920 2859 270 21 0 3557 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 27680

[startup+0.700448 s]
/proc/loadavg: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=23920 CPUtime=0.69 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 8361 0 0 0 68 1 0 0 25 0 1 0 892259478 24494080 2225 33554432000 4194304 4280283 140735294236288 18446744073709551615 4238872 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5980 2225 270 21 0 2617 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23920

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

[startup+0.800426 s]
/proc/loadavg: 1.27 1.70 2.67 4/183 4353
/proc/meminfo: memFree=31521436/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=23920 CPUtime=0.79 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 8361 0 0 0 78 1 0 0 25 0 1 0 892259478 24494080 2225 33554432000 4194304 4280283 140735294236288 18446744073709551615 4242809 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5980 2225 270 21 0 2617 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 23920

[startup+1.20636 s]
/proc/loadavg: 1.49 1.74 2.68 5/187 4364
/proc/meminfo: memFree=31488196/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=23920 CPUtime=1.2 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 8361 0 0 0 119 1 0 0 25 0 1 0 892259478 24494080 2225 33554432000 4194304 4280283 140735294236288 18446744073709551615 4242881 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5980 2225 270 21 0 2617 0
Current children cumulated CPU time (s) 1.2
Current children cumulated vsize (KiB) 23920

[startup+1.40032 s]
/proc/loadavg: 1.49 1.74 2.68 5/187 4364
/proc/meminfo: memFree=31488196/32951124 swapFree=67064368/67111528
[pid=4353] ppid=4351 vsize=23920 CPUtime=1.39 cores=5,7
/proc/4353/stat : 4353 (OptimuS_release) R 4351 4353 3094 0 -1 4202496 8361 0 0 0 138 1 0 0 25 0 1 0 892259478 24494080 2225 33554432000 4194304 4280283 140735294236288 18446744073709551615 4238829 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/4353/statm: 5980 2225 270 21 0 2617 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 23920

Child status: 20
Real time (s): 1.44369
CPU time (s): 1.44378
CPU user time (s): 1.42978
CPU system time (s): 0.013997
CPU usage (%): 100.006
Max. virtual memory (cumulated for all children) (KiB): 27680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.42978
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8362
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= 4
involuntary context switches= 4

runsolver used 0.001999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node105 at 2011-06-11 17:36:30
IDJOB=3495400
IDBENCH=84233
IDSOLVER=1988
FILE ID=node105/3495400-1307806590
RUNJOBID= node105-1307806584-4232
PBS_JOBID= 13551071
Free space on /tmp= 74076 MiB

SOLVER NAME= OptimuS x100_source
BENCH NAME= SAT03/industrial/kukula/addm_bench/am_5_5.shuffled-as.sat03-361.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3495400-1307806590/watcher-3495400-1307806590 -o /tmp/evaluation-result-3495400-1307806590/solver-3495400-1307806590 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3495400-1307806590.cnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= d545f1b275cb8b044c819f6765152511
RANDOM SEED=479389737

node105.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		: 2666.825
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	: 5333.65
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		: 2666.825
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	: 5226.15
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		: 2666.825
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	: 5332.82
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		: 2666.825
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	: 5332.75
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		: 2666.825
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	: 5410.70
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		: 2666.825
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		: 2666.825
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	: 5332.82
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		: 2666.825
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:      31523204 kB
Buffers:        300548 kB
Cached:         836980 kB
SwapCached:      20132 kB
Active:         481876 kB
Inactive:       719848 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      31523204 kB
SwapTotal:    67111528 kB
SwapFree:     67064368 kB
Dirty:            1936 kB
Writeback:          20 kB
AnonPages:       61268 kB
Mapped:          10656 kB
Slab:           161468 kB
PageTables:       4408 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   241492 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= 74072 MiB
End job on node105 at 2011-06-11 17:36:32