Trace number 1773947

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 2009-03-10UNSAT 68.6526 68.6832

General information on the benchmark

NameAPPLICATIONS/crypto/
md5gen/gus-md5-05.cnf
MD5SUM2802e980ef7a0af021d80df126a2e28c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.5074
Satisfiable
(Un)Satisfiability was proved
Number of variables68827
Number of clauses224473
Sum of the clauses size581793
Maximum clause length3
Minimum clause length1
Number of clauses of size 1129
Number of clauses of size 291368
Number of clauses of size 3132976
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

68.56/68.67	c starting MXC with:
68.56/68.67	c cnf_path = HOME/instance-1773947-1241305322.cnf
68.56/68.67	c restart_strategy = auto
68.56/68.67	c sign_strategy = cached
68.56/68.67	c use_preprocessing = -1
68.56/68.67	c output_implicant = 1
68.56/68.67	c timeout_seconds = 0
68.56/68.67	c running SatELite... done
68.56/68.67	c 40379 vars eliminated
68.56/68.67	c received 283 units and 161685 clauses from SatELite
68.56/68.67	c 40661 assignments made, starting to guess now
68.56/68.67	c ===================================[MXC]=====================================
68.56/68.67	c | Conflicts |                Clause Statistics                   |   Vars   |
68.56/68.67	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
68.56/68.67	c =============================================================================
68.56/68.67	c |         0 |       0    9837   151848        0        0     nan |    68827 |
68.56/68.67	c |       100 |       0    9849   151783       86     1050    84.7 |    28159 |
68.56/68.67	c |       210 |       0    9852   151783      193     1105   114.9 |    28159 |
68.56/68.67	c |       441 |       0    9855   151783      421     1220   122.2 |    28159 |
68.56/68.67	c |       805 |       0    9859   151783      781     1402    89.8 |    28159 |
68.56/68.67	c |      1033 |       0    9886   151783      972     1516    84.1 |    10049 |
68.56/68.67	c ----- stats for thread 0 -----
68.56/68.67	c restarts: 3
68.56/68.67	c decisions: 2680
68.56/68.67	c propagations: 11572822
68.56/68.67	c conflicts: 1033
68.56/68.67	c 68.666s elapsed
68.56/68.67	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1773947-1241305322/watcher-1773947-1241305322 -o /tmp/evaluation-result-1773947-1241305322/solver-1773947-1241305322 -C 10000 -W 12000 -M 1800 HOME/mxc-sat09 -i HOME/instance-1773947-1241305322.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: 0.99 0.98 0.99 3/64 31964
/proc/meminfo: memFree=1408160/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=4900 CPUtime=0
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 738 0 0 0 0 0 0 0 18 0 1 0 158566064 5017600 724 1992294400 134512640 135192793 4294956224 18446744073709551615 134779278 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 1225 731 46 166 0 1056 0

[startup+0.05907 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31964
/proc/meminfo: memFree=1408160/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=26340 CPUtime=0.05
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 4464 0 0 0 3 2 0 0 18 0 1 0 158566064 26972160 4448 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 6585 4449 55 166 0 6416 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 26340

[startup+0.101077 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31964
/proc/meminfo: memFree=1408160/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=29708 CPUtime=0.09
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 5249 0 0 0 7 2 0 0 18 0 1 0 158566064 30420992 5233 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 7427 5233 55 166 0 7258 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 29708

[startup+0.301114 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31964
/proc/meminfo: memFree=1408160/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=34880 CPUtime=0.29
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 7458 0 0 0 26 3 0 0 19 0 1 0 158566064 35717120 6428 1992294400 134512640 135192793 4294956224 18446744073709551615 134567648 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 8720 6428 56 166 0 8551 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 34880

[startup+0.701187 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31964
/proc/meminfo: memFree=1408160/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=45732 CPUtime=0.69
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 10104 0 0 0 65 4 0 0 22 0 1 0 158566064 46829568 9074 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 11433 9074 56 166 0 11264 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 45732

[startup+1.50133 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1365464/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=63260 CPUtime=1.49
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 15725 0 0 0 143 6 0 0 25 0 1 0 158566064 64778240 13661 1992294400 134512640 135192793 4294956224 18446744073709551615 134534332 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 15815 13661 72 166 0 15646 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63260

[startup+3.10163 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1353176/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=63524 CPUtime=3.09
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 15838 0 0 0 303 6 0 0 25 0 1 0 158566064 65048576 13774 1992294400 134512640 135192793 4294956224 18446744073709551615 134552424 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 15881 13774 72 166 0 15712 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63524

[startup+6.30122 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1352856/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=63656 CPUtime=6.29
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 15872 0 0 0 622 7 0 0 25 0 1 0 158566064 65183744 13808 1992294400 134512640 135192793 4294956224 18446744073709551615 134552497 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 15914 13808 72 166 0 15745 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 63656

[startup+12.7014 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1352152/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64184 CPUtime=12.69
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16022 0 0 0 1262 7 0 0 25 0 1 0 158566064 65724416 13958 1992294400 134512640 135192793 4294956224 18446744073709551615 134552478 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16046 13958 72 166 0 15877 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 64184

[startup+25.5018 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351832/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64580 CPUtime=25.48
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16104 0 0 0 2541 7 0 0 25 0 1 0 158566064 66129920 14040 1992294400 134512640 135192793 4294956224 18446744073709551615 134552327 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16145 14040 72 166 0 15976 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 64580

[startup+51.1015 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351640/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64844 CPUtime=51.06
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16178 0 0 0 5099 7 0 0 25 0 1 0 158566064 66400256 14114 1992294400 134512640 135192793 4294956224 18446744073709551615 134552144 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16211 14114 72 166 0 16042 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 64844

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

[startup+57.5017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351576/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64844 CPUtime=57.46
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16191 0 0 0 5739 7 0 0 25 0 1 0 158566064 66400256 14127 1992294400 134512640 135192793 4294956224 18446744073709551615 134550618 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16211 14127 72 166 0 16042 0
Current children cumulated CPU time (s) 57.46
Current children cumulated vsize (KiB) 64844

[startup+63.9019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351576/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=63.86
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16203 0 0 0 6379 7 0 0 25 0 1 0 158566064 66535424 14139 1992294400 134512640 135192793 4294956224 18446744073709551615 134552331 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14139 72 166 0 16075 0
Current children cumulated CPU time (s) 63.86
Current children cumulated vsize (KiB) 64976

[startup+67.1055 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351512/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=67.06
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16209 0 0 0 6699 7 0 0 25 0 1 0 158566064 66535424 14145 1992294400 134512640 135192793 4294956224 18446744073709551615 134552327 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14145 72 166 0 16075 0
Current children cumulated CPU time (s) 67.06
Current children cumulated vsize (KiB) 64976

[startup+67.9016 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351512/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=67.86
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16210 0 0 0 6779 7 0 0 25 0 1 0 158566064 66535424 14146 1992294400 134512640 135192793 4294956224 18446744073709551615 134552256 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14146 72 166 0 16075 0
Current children cumulated CPU time (s) 67.86
Current children cumulated vsize (KiB) 64976

[startup+68.3017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351512/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=68.26
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16211 0 0 0 6819 7 0 0 25 0 1 0 158566064 66535424 14147 1992294400 134512640 135192793 4294956224 18446744073709551615 134552136 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14147 72 166 0 16075 0
Current children cumulated CPU time (s) 68.26
Current children cumulated vsize (KiB) 64976

[startup+68.5017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351512/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=68.46
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16211 0 0 0 6839 7 0 0 25 0 1 0 158566064 66535424 14147 1992294400 134512640 135192793 4294956224 18446744073709551615 134552488 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14147 72 166 0 16075 0
Current children cumulated CPU time (s) 68.46
Current children cumulated vsize (KiB) 64976

[startup+68.6017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 31965
/proc/meminfo: memFree=1351512/2055920 swapFree=4180196/4192956
[pid=31964] ppid=31962 vsize=64976 CPUtime=68.56
/proc/31964/stat : 31964 (mxc-sat09) R 31962 31964 31894 0 -1 4194304 16211 0 0 0 6849 7 0 0 25 0 1 0 158566064 66535424 14147 1992294400 134512640 135192793 4294956224 18446744073709551615 134533010 0 0 4096 0 0 0 0 17 1 0 0
/proc/31964/statm: 16244 14147 72 166 0 16075 0
Current children cumulated CPU time (s) 68.56
Current children cumulated vsize (KiB) 64976

Child status: 20
Real time (s): 68.6832
CPU time (s): 68.6526
CPU user time (s): 68.5626
CPU system time (s): 0.089986
CPU usage (%): 99.9554
Max. virtual memory (cumulated for all children) (KiB): 64976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 68.5626
system time used= 0.089986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16216
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= 149

runsolver used 0.06199 second user time and 0.142978 second system time

The end

Launcher Data 

Begin job on node7 at 2009-05-03 01:02:02
IDJOB=1773947
IDBENCH=70826
IDSOLVER=613
FILE ID=node7/1773947-1241305322
PBS_JOBID= 9225216
Free space on /tmp= 66556 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/APPLICATIONS/crypto/md5gen/gus-md5-05.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773947-1241305322/watcher-1773947-1241305322 -o /tmp/evaluation-result-1773947-1241305322/solver-1773947-1241305322 -C 10000 -W 12000 -M 1800  HOME/mxc-sat09 -i HOME/instance-1773947-1241305322.cnf

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

MD5SUM BENCH= 2802e980ef7a0af021d80df126a2e28c
RANDOM SEED=1534715409

node7.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		: 3000.256
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		: 3000.256
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:       1408640 kB
Buffers:         85712 kB
Cached:         463760 kB
SwapCached:       7108 kB
Active:         100808 kB
Inactive:       457004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1408640 kB
SwapTotal:     4192956 kB
SwapFree:      4180196 kB
Dirty:            4744 kB
Writeback:           0 kB
Mapped:          13396 kB
Slab:            75468 kB
Committed_AS:  1031240 kB
PageTables:       1444 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= 66556 MiB
End job on node7 at 2009-05-03 01:03:11