Trace number 1806675

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
minisat2-core 070721SAT 66.2119 66.2291

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark9.8405
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

0.00/0.00	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  2420                                                 |
0.00/0.00	|  Number of clauses:    62900                                                |
0.00/0.03	|  Parsing time:         0.03         s                                       |
0.00/0.03	============================[ Search Statistics ]==============================
0.00/0.03	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	===============================================================================
0.00/0.03	|         0 |    2420    62900   155908 |    20966        0    nan |  0.000 % |
0.00/0.04	|       101 |    2420    62900   155908 |    23063      101     65 |  0.000 % |
0.00/0.05	|       252 |    2420    62900   155908 |    25369      252     73 |  0.000 % |
0.06/0.07	|       477 |    2420    62900   155908 |    27906      477     53 |  0.000 % |
0.06/0.09	|       815 |    2420    62900   155908 |    30697      815     75 |  0.000 % |
0.09/0.13	|      1321 |    2418    62900   155908 |    33767     1319     72 |  0.331 % |
0.19/0.21	|      2080 |    2418    62900   155908 |    37143     2078     75 |  0.331 % |
0.29/0.30	|      3219 |    2403    62741   155590 |    40858     3215     70 |  0.702 % |
0.39/0.46	|      4927 |    2403    62741   155590 |    44943     4923     75 |  0.702 % |
0.79/0.82	|      7489 |    2397    62741   155590 |    49438     7483     99 |  1.033 % |
1.29/1.32	|     11336 |    2386    62410   154928 |    54382    11323     96 |  1.777 % |
2.39/2.44	|     17102 |    2377    62410   154928 |    59820    17087    107 |  2.149 % |
4.29/4.35	|     25752 |    2377    62410   154928 |    65802    25737    117 |  2.149 % |
9.29/9.35	|     38726 |    2368    61900   153908 |    72382    38707    149 |  2.149 % |
18.29/18.30	|     58189 |    2368    61900   153908 |    79620    58170    153 |  2.149 % |
37.88/37.99	|     87382 |    2368    61900   153908 |    87582    27020    157 |  2.149 % |
66.18/66.21	===============================================================================
66.18/66.21	restarts              : 16
66.18/66.21	conflicts             : 118165         (1788 /sec)
66.18/66.21	decisions             : 480037         (1.33 % random) (7264 /sec)
66.18/66.21	propagations          : 12714778       (192392 /sec)
66.18/66.21	conflict literals     : 24017843       (14.19 % deleted)
66.18/66.21	Memory used           : 62.34 MB
66.18/66.21	CPU time              : 66.088 s
66.18/66.21	
66.18/66.21	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1806675-1242151586/watcher-1806675-1242151586 -o /tmp/evaluation-result-1806675-1242151586/solver-1806675-1242151586 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806675-1242151586.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 19652
/proc/meminfo: memFree=911440/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=2188 CPUtime=0
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 400 0 0 0 0 0 0 0 18 0 1 0 243185737 2240512 385 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 547 386 58 171 0 373 0

[startup+0.066617 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 19652
/proc/meminfo: memFree=911440/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=4672 CPUtime=0.06
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 1019 0 0 0 6 0 0 0 18 0 1 0 243185737 4784128 1004 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 1168 1004 78 171 0 994 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4672

[startup+0.10162 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 19652
/proc/meminfo: memFree=911440/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=4804 CPUtime=0.09
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 1066 0 0 0 9 0 0 0 18 0 1 0 243185737 4919296 1051 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 1201 1051 78 171 0 1027 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4804

[startup+0.301639 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 19652
/proc/meminfo: memFree=911440/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=5604 CPUtime=0.29
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 1262 0 0 0 29 0 0 0 20 0 1 0 243185737 5738496 1247 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 1401 1247 78 171 0 1227 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5604

[startup+0.701677 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 19652
/proc/meminfo: memFree=911440/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=7320 CPUtime=0.69
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 1697 0 0 0 69 0 0 0 23 0 1 0 243185737 7495680 1682 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 1830 1682 78 171 0 1656 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7320

[startup+1.50175 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=903944/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=9960 CPUtime=1.49
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 2336 0 0 0 149 0 0 0 25 0 1 0 243185737 10199040 2321 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 2490 2321 78 171 0 2316 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9960

[startup+3.1019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=900360/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=14632 CPUtime=3.09
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 3506 0 0 0 308 1 0 0 25 0 1 0 243185737 14983168 3491 1992294400 134512640 135213614 4294956256 18446744073709551615 134529504 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 3658 3491 78 171 0 3484 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14632

[startup+6.30221 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=891720/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=22980 CPUtime=6.29
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 5593 0 0 0 627 2 0 0 25 0 1 0 243185737 23531520 5578 1992294400 134512640 135213614 4294956256 18446744073709551615 134526848 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 5745 5578 78 171 0 5571 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22980

[startup+12.7018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=878024/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=35336 CPUtime=12.68
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 8676 0 0 0 1264 4 0 0 25 0 1 0 243185737 36184064 8661 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 8834 8661 78 171 0 8660 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 35336

[startup+25.501 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=860424/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=51956 CPUtime=25.49
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 12833 0 0 0 2541 8 0 0 25 0 1 0 243185737 53202944 12818 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 12989 12818 78 171 0 12815 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 51956

[startup+51.1015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=51.08
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 5097 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526885 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 63836

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

[startup+57.5021 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=57.48
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 5737 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134529797 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 57.48
Current children cumulated vsize (KiB) 63836

[startup+60.7014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=60.68
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6057 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 60.68
Current children cumulated vsize (KiB) 63836

[startup+63.9017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=63.88
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6377 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 63836

[startup+65.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=65.48
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6537 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526869 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 65.48
Current children cumulated vsize (KiB) 63836

[startup+65.9019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=65.88
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6577 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 65.88
Current children cumulated vsize (KiB) 63836

[startup+66.1029 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=66.08
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6597 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526885 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 66.08
Current children cumulated vsize (KiB) 63836

[startup+66.2029 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19653
/proc/meminfo: memFree=848200/2055920 swapFree=4175140/4192956
[pid=19652] ppid=19650 vsize=63836 CPUtime=66.18
/proc/19652/stat : 19652 (minisat_static) R 19650 19652 19243 0 -1 4194304 15798 0 0 0 6607 11 0 0 25 0 1 0 243185737 65368064 15783 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/19652/statm: 15959 15783 78 171 0 15785 0
Current children cumulated CPU time (s) 66.18
Current children cumulated vsize (KiB) 63836

Child status: 10
Real time (s): 66.2291
CPU time (s): 66.2119
CPU user time (s): 66.089
CPU system time (s): 0.122981
CPU usage (%): 99.9741
Max. virtual memory (cumulated for all children) (KiB): 63836

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 66.089
system time used= 0.122981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15811
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= 182

runsolver used 0.050992 second user time and 0.152976 second system time

The end

Launcher Data 

Begin job on node61 at 2009-05-12 20:06:26
IDJOB=1806675
IDBENCH=70922
IDSOLVER=651
FILE ID=node61/1806675-1242151586
PBS_JOBID= 9289663
Free space on /tmp= 66256 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806675-1242151586/watcher-1806675-1242151586 -o /tmp/evaluation-result-1806675-1242151586/solver-1806675-1242151586 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806675-1242151586.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1569502077

node61.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.216
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		: 3000.216
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:        911920 kB
Buffers:         81536 kB
Cached:         960072 kB
SwapCached:      12460 kB
Active:         239788 kB
Inactive:       816648 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        911920 kB
SwapTotal:     4192956 kB
SwapFree:      4175140 kB
Dirty:            1732 kB
Writeback:           0 kB
Mapped:          13692 kB
Slab:            73652 kB
Committed_AS:   888088 kB
PageTables:       1368 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66256 MiB
End job on node61 at 2009-05-12 20:07:32