Trace number 1775072

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
MiniSat 2.1 (Sat-race'08 Edition)SAT 4.42033 4.42211

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rpoc_xits_17_SAT.cnf
MD5SUM4607e45ceb8682e35172b7d697608fbf
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.35379
Satisfiable
(Un)Satisfiability was proved
Number of variables2718
Number of clauses215000
Sum of the clauses size641260
Maximum clause length18
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 24085
Number of clauses of size 3210892
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.09/0.17	c |  Number of variables:          2718                                         |
0.09/0.17	c |  Number of clauses:          215000                                         |
0.09/0.17	c |  Parse time:                   0.15 s                                       |
4.30/4.37	c |  Simplification time:          4.19 s                                       |
4.30/4.37	c |                                                                             |
4.30/4.37	c ============================[ Search Statistics ]==============================
4.30/4.37	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
4.30/4.37	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
4.30/4.37	c ===============================================================================
4.30/4.38	c |       100 |    1882   210499   670668 |    77182      100     71 |  0.000 % |
4.30/4.39	c |       250 |    1882   210499   670668 |    84901      250     72 |  0.000 % |
4.30/4.40	c |       475 |    1882   210499   670668 |    93391      475     70 |  0.000 % |
4.39/4.41	c ===============================================================================
4.39/4.41	c restarts              : 6
4.39/4.41	c conflicts             : 666            (152 /sec)
4.39/4.41	c decisions             : 2426           (552 /sec)
4.39/4.41	c propagations          : 42336          (9641 /sec)
4.39/4.41	c conflict literals     : 47886          (2.94 % deleted)
4.39/4.41	c Memory used           : 16.54 MB
4.39/4.41	c CPU time              : 4.39133 s
4.39/4.41	c 
4.39/4.41	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-1775072-1241223206/watcher-1775072-1241223206 -o /tmp/evaluation-result-1775072-1241223206/solver-1775072-1241223206 -C 10000 -W 12000 -M 1800 HOME/minisat HOME/instance-1775072-1241223206.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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: 1.03 1.00 0.99 3/64 24443
/proc/meminfo: memFree=1804792/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=7636 CPUtime=0
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 443 0 0 0 0 0 0 0 18 0 1 0 150353868 7819264 427 1992294400 4194304 5092341 548682068848 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 1909 435 63 219 0 1687 0

[startup+0.0897661 s]
/proc/loadavg: 1.03 1.00 0.99 3/64 24443
/proc/meminfo: memFree=1804792/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=12424 CPUtime=0.08
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 2302 0 0 0 7 1 0 0 18 0 1 0 150353868 12722176 2093 1992294400 4194304 5092341 548682068848 18446744073709551615 4493516 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 3106 2094 63 219 0 2884 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 12424

[startup+0.102777 s]
/proc/loadavg: 1.03 1.00 0.99 3/64 24443
/proc/meminfo: memFree=1804792/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=13084 CPUtime=0.09
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 2562 0 0 0 8 1 0 0 18 0 1 0 150353868 13398016 2353 1992294400 4194304 5092341 548682068848 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 3271 2353 63 219 0 3049 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13084

[startup+0.301787 s]
/proc/loadavg: 1.03 1.00 0.99 3/64 24443
/proc/meminfo: memFree=1804792/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=17744 CPUtime=0.29
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4455 0 0 0 27 2 0 0 19 0 1 0 150353868 18169856 3907 1992294400 4194304 5092341 548682068848 18446744073709551615 4219711 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4436 3907 86 219 0 4214 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17744

[startup+0.701834 s]
/proc/loadavg: 1.03 1.00 0.99 3/64 24443
/proc/meminfo: memFree=1804792/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=17744 CPUtime=0.69
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4456 0 0 0 67 2 0 0 22 0 1 0 150353868 18169856 3908 1992294400 4194304 5092341 548682068848 18446744073709551615 4219693 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4436 3908 87 219 0 4214 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17744

[startup+1.50193 s]
/proc/loadavg: 1.03 1.00 0.99 2/65 24444
/proc/meminfo: memFree=1789424/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=17744 CPUtime=1.49
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4456 0 0 0 147 2 0 0 25 0 1 0 150353868 18169856 3908 1992294400 4194304 5092341 548682068848 18446744073709551615 4219527 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4436 3908 87 219 0 4214 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17744

[startup+3.10111 s]
/proc/loadavg: 1.03 1.00 0.99 2/65 24444
/proc/meminfo: memFree=1788464/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=18144 CPUtime=3.09
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4630 0 0 0 307 2 0 0 25 0 1 0 150353868 18579456 4082 1992294400 4194304 5092341 548682068848 18446744073709551615 4219904 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4536 4082 87 219 0 4314 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18144

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

[startup+3.90121 s]
/proc/loadavg: 1.03 1.00 0.99 2/65 24444
/proc/meminfo: memFree=1788464/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=18144 CPUtime=3.89
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4630 0 0 0 387 2 0 0 25 0 1 0 150353868 18579456 4082 1992294400 4194304 5092341 548682068848 18446744073709551615 4219527 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4536 4082 87 219 0 4314 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 18144

[startup+4.30125 s]
/proc/loadavg: 1.02 1.00 0.99 2/65 24444
/proc/meminfo: memFree=1788464/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=18144 CPUtime=4.3
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 4630 0 0 0 428 2 0 0 25 0 1 0 150353868 18579456 4082 1992294400 4194304 5092341 548682068848 18446744073709551615 4219527 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4536 4082 87 219 0 4314 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 18144

[startup+4.40527 s]
/proc/loadavg: 1.02 1.00 0.99 2/65 24444
/proc/meminfo: memFree=1788464/2055920 swapFree=4180392/4192956
[pid=24443] ppid=24441 vsize=16928 CPUtime=4.39
/proc/24443/stat : 24443 (minisat) R 24441 24443 24379 0 -1 4194304 5543 0 0 0 437 2 0 0 25 0 1 0 150353868 17334272 3574 1992294400 4194304 5092341 548682068848 18446744073709551615 4240584 0 0 4096 3 0 0 0 17 1 0 0
/proc/24443/statm: 4232 3575 101 219 0 4010 0
Current children cumulated CPU time (s) 4.39
Current children cumulated vsize (KiB) 16928

Child status: 10
Real time (s): 4.42211
CPU time (s): 4.42033
CPU user time (s): 4.39233
CPU system time (s): 0.027995
CPU usage (%): 99.9596
Max. virtual memory (cumulated for all children) (KiB): 18144

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.39233
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5566
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= 11

runsolver used 0.009998 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node20 at 2009-05-02 02:13:26
IDJOB=1775072
IDBENCH=71083
IDSOLVER=608
FILE ID=node20/1775072-1241223206
PBS_JOBID= 9224776
Free space on /tmp= 66436 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1775072-1241223206/watcher-1775072-1241223206 -o /tmp/evaluation-result-1775072-1241223206/solver-1775072-1241223206 -C 10000 -W 12000 -M 1800  HOME/minisat HOME/instance-1775072-1241223206.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=763992383

node20.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		: 3000.214
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	: 5931.00
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		: 3000.214
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:       1805208 kB
Buffers:         64280 kB
Cached:         102664 kB
SwapCached:       6320 kB
Active:          27864 kB
Inactive:       147136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1805208 kB
SwapTotal:     4192956 kB
SwapFree:      4180392 kB
Dirty:            4852 kB
Writeback:           0 kB
Mapped:          13484 kB
Slab:            61704 kB
Committed_AS:   774436 kB
PageTables:       1396 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66436 MiB
End job on node20 at 2009-05-02 02:13:31