Trace number 1722095

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
MXC 2009-03-10SAT 6.67798 6.67871

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 benchmark0.152976
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

6.60/6.67	c starting MXC with:
6.60/6.67	c cnf_path = HOME/instance-1722095-1240672810.cnf
6.60/6.67	c restart_strategy = auto
6.60/6.67	c sign_strategy = cached
6.60/6.67	c use_preprocessing = -1
6.60/6.67	c output_implicant = 1
6.60/6.67	c timeout_seconds = 0
6.60/6.67	c running SatELite... done
6.60/6.67	c 853 vars eliminated
6.60/6.67	c received 0 units and 210418 clauses from SatELite
6.60/6.67	c 852 assignments made, starting to guess now
6.60/6.67	c ===================================[MXC]=====================================
6.60/6.67	c | Conflicts |                Clause Statistics                   |   Vars   |
6.60/6.67	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
6.60/6.67	c =============================================================================
6.60/6.67	c |         0 |       0    3847   206571        0        0     nan |     2718 |
6.60/6.67	c |       100 |       0    3847   206571      100     1050    92.9 |     1866 |
6.60/6.67	c |       210 |       0    3847   206571      210     1105    83.7 |     1866 |
6.60/6.67	c |       441 |       0    3847   206571      441     1220    86.2 |     1866 |
6.60/6.67	c |       441 |       0    3847   206571      441     1220    86.2 |     1866 |
6.60/6.67	c ----- stats for thread 0 -----
6.60/6.67	c restarts: 4
6.60/6.67	c decisions: 2224
6.60/6.67	c propagations: 22504
6.60/6.67	c conflicts: 441
6.60/6.67	c 6.665s elapsed
6.60/6.67	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-1722095-1240672810/watcher-1722095-1240672810 -o /tmp/evaluation-result-1722095-1240672810/solver-1722095-1240672810 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/mxc-sat09 -i HOME/instance-1722095-1240672810.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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 22051
/proc/meminfo: memFree=1696304/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=4404 CPUtime=0
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 771 0 0 0 0 0 0 0 18 0 1 0 95313769 4509696 758 1992294400 134512640 135192793 4294956208 18446744073709551615 134779278 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 1101 764 46 166 0 932 0

[startup+0.0962391 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 22051
/proc/meminfo: memFree=1696304/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=11872 CPUtime=0.08
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 2782 0 0 0 7 1 0 0 18 0 1 0 95313769 12156928 2768 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 2968 2770 54 166 0 2799 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11872

[startup+0.101237 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 22051
/proc/meminfo: memFree=1696304/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=12268 CPUtime=0.09
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 2887 0 0 0 8 1 0 0 18 0 1 0 95313769 12562432 2873 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 3067 2876 54 166 0 2898 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12268

[startup+0.301261 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 22051
/proc/meminfo: memFree=1696304/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=14276 CPUtime=0.3
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 4118 0 0 0 28 2 0 0 19 0 1 0 95313769 14618624 3214 1992294400 134512640 135192793 4294956208 18446744073709551615 134567928 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 3569 3214 56 166 0 3400 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 14276

[startup+0.701306 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 22051
/proc/meminfo: memFree=1696304/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=14276 CPUtime=0.7
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 4118 0 0 0 68 2 0 0 23 0 1 0 95313769 14618624 3214 1992294400 134512640 135192793 4294956208 18446744073709551615 134567773 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 3569 3214 56 166 0 3400 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 14276

[startup+1.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 22052
/proc/meminfo: memFree=1683432/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=14276 CPUtime=1.49
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 4118 0 0 0 147 2 0 0 25 0 1 0 95313769 14618624 3214 1992294400 134512640 135192793 4294956208 18446744073709551615 134568012 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 3569 3214 56 166 0 3400 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14276

[startup+3.10158 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 22052
/proc/meminfo: memFree=1682408/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=19980 CPUtime=3.09
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 5634 0 0 0 307 2 0 0 25 0 1 0 95313769 20459520 4730 1992294400 134512640 135192793 4294956208 18446744073709551615 134567659 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 4995 4730 56 166 0 4826 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 19980

[startup+6.30195 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 22052
/proc/meminfo: memFree=1677224/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=19980 CPUtime=6.29
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 5634 0 0 0 627 2 0 0 25 0 1 0 95313769 20459520 4730 1992294400 134512640 135192793 4294956208 18446744073709551615 134567785 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 4995 4730 56 166 0 4826 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19980

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

[startup+6.50198 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 22052
/proc/meminfo: memFree=1660072/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=38548 CPUtime=6.5
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 10666 0 0 0 646 4 0 0 25 0 1 0 95313769 39473152 9325 1992294400 134512640 135192793 4294956208 18446744073709551615 134766703 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 9637 9328 56 166 0 9468 0
Current children cumulated CPU time (s) 6.5
Current children cumulated vsize (KiB) 38548

[startup+6.60599 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 22052
/proc/meminfo: memFree=1660072/2055920 swapFree=4192812/4192956
[pid=22051] ppid=22049 vsize=41212 CPUtime=6.6
/proc/22051/stat : 22051 (mxc-sat09) R 22049 22051 21097 0 -1 4194304 11376 0 0 0 656 4 0 0 25 0 1 0 95313769 42201088 10035 1992294400 134512640 135192793 4294956208 18446744073709551615 134553738 0 0 4096 0 0 0 0 17 1 0 0
/proc/22051/statm: 10303 10035 72 166 0 10134 0
Current children cumulated CPU time (s) 6.6
Current children cumulated vsize (KiB) 41212

Child status: 10
Real time (s): 6.67871
CPU time (s): 6.67798
CPU user time (s): 6.62799
CPU system time (s): 0.049992
CPU usage (%): 99.9891
Max. virtual memory (cumulated for all children) (KiB): 41212

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.62799
system time used= 0.049992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11507
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= 5
involuntary context switches= 17

runsolver used 0.012998 second user time and 0.019996 second system time

The end

Launcher Data

Begin job on node74 at 2009-04-25 17:20:11
IDJOB=1722095
IDBENCH=71083
IDSOLVER=504
FILE ID=node74/1722095-1240672810
PBS_JOBID= 9186577
Free space on /tmp= 103112 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rpoc_xits_17_SAT.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1722095-1240672810/watcher-1722095-1240672810 -o /tmp/evaluation-result-1722095-1240672810/solver-1722095-1240672810 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/mxc-sat09 -i HOME/instance-1722095-1240672810.cnf

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

MD5SUM BENCH= 4607e45ceb8682e35172b7d697608fbf
RANDOM SEED=101968532

node74.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		: 3000.233
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		: 3000.233
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:       1696784 kB
Buffers:         21444 kB
Cached:         265648 kB
SwapCached:        140 kB
Active:         152352 kB
Inactive:       149716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1696784 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4244 kB
Writeback:           0 kB
Mapped:          23944 kB
Slab:            42896 kB
Committed_AS:   421712 kB
PageTables:       1452 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 103112 MiB
End job on node74 at 2009-04-25 17:20:17