Trace number 367670

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, and are wall clock time (not CPU 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 2007-02-08SAT 118.085 118.132

General information on the benchmark

Nameindustrial/grieu/
vmpc_27.cnf
MD5SUM10c81d53b34b643d8b1b980e2d3fede8
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.42417
Satisfiable
(Un)Satisfiability was proved
Number of variables729
Number of clauses96849
Sum of the clauses size253854
Maximum clause length27
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 237989
Number of clauses of size 358806
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 554

Solver Data (download as text)

118.06/118.12	c MXC attempting /tmp/evaluation/367670-1177551240/instance-367670-1177551240.cnf
118.06/118.12	c 0 assignments made, starting to guess now
118.06/118.12	c ===================================[MXC]=====================================
118.06/118.12	c | Conflicts |     ORIGINAL     |             LEARNT              | Progress |
118.06/118.12	c |           | Clauses Literals |  Limit Clauses Literals  Lit/Cl |          |
118.06/118.12	c =============================================================================
118.06/118.12	c |         0 |   58860   177876 |   19620       0       0     nan |  0.000 % |
118.06/118.12	c |       100 |   58860   177876 |   21582     100    4094    40.9 |  0.000 % |
118.06/118.12	c |       254 |   58860   177876 |   23740     254   16144    63.6 |  0.000 % |
118.06/118.12	c |       481 |   58860   177876 |   26114     481   33456    69.6 |  0.000 % |
118.06/118.12	c |       818 |   58860   177876 |   28725     818   60749    74.3 |  0.000 % |
118.06/118.12	c |      1324 |   58860   177876 |   31598    1324  102534    77.4 |  0.000 % |
118.06/118.12	c |      2084 |   58860   177876 |   34758    2084  159286    76.4 |  0.000 % |
118.06/118.12	c |      3223 |   58860   177876 |   38233    3222  257022    79.8 |  0.000 % |
118.06/118.12	c |      4932 |   58860   177876 |   42057    4931  384857    78.0 |  0.000 % |
118.06/118.12	c |      7494 |   58860   177876 |   46262    7493  582718    77.8 |  0.000 % |
118.06/118.12	c |     11339 |   58860   177876 |   50889   11338  839049    74.0 |  0.000 % |
118.06/118.12	c |     17109 |   58860   177876 |   55978   17107 1250078    73.1 |  0.000 % |
118.06/118.12	c |     25760 |   58860   177876 |   61575   25756 1843262    71.6 |  0.000 % |
118.06/118.12	c |     38738 |   58860   177876 |   67733   38732 2770285    71.5 |  0.000 % |
118.06/118.12	c |     58200 |   58860   177876 |   74506   58193 4567216    78.5 |  0.000 % |
118.06/118.12	c |     87394 |   58860   177876 |   81957   50134 4145827    82.7 |  0.000 % |
118.06/118.12	c |    131185 |   58860   177876 |   90153   52945 3372956    63.7 |  0.000 % |
118.06/118.12	c 118.090s elapsed
118.06/118.12	c restarts: 16
118.06/118.12	c decisions: 223871
118.06/118.12	c propagations: 17855683
118.06/118.12	c conflicts: 134621
118.06/118.12	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node41/watcher-367670-1177551240 -o ROOT/results/node41/solver-367670-1177551240 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/367670-1177551240/mxc /tmp/evaluation/367670-1177551240/instance-367670-1177551240.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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 0.93 3/77 16870
/proc/meminfo: memFree=1847864/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=2400 CPUtime=0
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 456 0 0 0 0 0 0 0 18 0 1 0 203035881 2457600 441 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134688363 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 600 442 46 122 0 474 0

[startup+0.032731 s]
/proc/loadavg: 1.00 1.00 0.93 3/77 16870
/proc/meminfo: memFree=1847864/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=4280 CPUtime=0.02
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 903 0 0 0 2 0 0 0 18 0 1 0 203035881 4382720 888 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134688363 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 1070 888 46 122 0 944 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4280

[startup+0.101737 s]
/proc/loadavg: 1.00 1.00 0.93 3/77 16870
/proc/meminfo: memFree=1847864/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=4396 CPUtime=0.09
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 1302 0 0 0 9 0 0 0 18 0 1 0 203035881 4501504 953 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519964 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 1099 953 59 122 0 973 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4396

[startup+0.301754 s]
/proc/loadavg: 1.00 1.00 0.93 3/77 16870
/proc/meminfo: memFree=1847864/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=4792 CPUtime=0.29
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 1405 0 0 0 29 0 0 0 19 0 1 0 203035881 4907008 1056 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134520508 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 1198 1056 59 122 0 1072 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4792

[startup+0.701789 s]
/proc/loadavg: 1.00 1.00 0.93 3/77 16870
/proc/meminfo: memFree=1847864/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=5980 CPUtime=0.69
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 1673 0 0 0 69 0 0 0 22 0 1 0 203035881 6123520 1324 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519631 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 1495 1324 59 122 0 1369 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5980

[startup+1.50186 s]
/proc/loadavg: 1.00 1.00 0.93 2/78 16871
/proc/meminfo: memFree=1842032/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=7444 CPUtime=1.49
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 2040 0 0 0 149 0 0 0 25 0 1 0 203035881 7622656 1691 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134531441 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 1861 1691 59 122 0 1735 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7444

[startup+3.102 s]
/proc/loadavg: 1.00 1.00 0.93 2/78 16871
/proc/meminfo: memFree=1840368/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=9292 CPUtime=3.09
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 2525 0 0 0 308 1 0 0 25 0 1 0 203035881 9515008 2176 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519200 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 2323 2176 59 122 0 2197 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9292

[startup+6.30127 s]
/proc/loadavg: 1.00 1.00 0.93 2/78 16871
/proc/meminfo: memFree=1836656/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=12460 CPUtime=6.29
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 3304 0 0 0 627 2 0 0 25 0 1 0 203035881 12759040 2955 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 3115 2955 59 122 0 2989 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12460

[startup+12.7018 s]
/proc/loadavg: 1.00 1.00 0.93 3/78 16871
/proc/meminfo: memFree=1831544/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=17344 CPUtime=12.68
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 4514 0 0 0 1265 3 0 0 25 0 1 0 203035881 17760256 4165 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 4336 4165 59 122 0 4210 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 17344

[startup+25.5019 s]
/proc/loadavg: 1.00 1.00 0.93 2/78 16871
/proc/meminfo: memFree=1824504/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=24112 CPUtime=25.48
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 6185 0 0 0 2542 6 0 0 25 0 1 0 203035881 24690688 5836 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 6028 5836 59 122 0 5902 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 24112

[startup+51.1012 s]
/proc/loadavg: 1.05 1.01 0.93 2/78 16871
/proc/meminfo: memFree=1817080/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=31572 CPUtime=51.08
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8061 0 0 0 5100 8 0 0 25 0 1 0 203035881 32329728 7637 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 7893 7637 67 122 0 7767 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 31572

[startup+102.306 s]
/proc/loadavg: 1.15 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814968/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34132 CPUtime=102.27
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8648 0 0 0 10218 9 0 0 25 0 1 0 203035881 34951168 8224 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8533 8224 67 122 0 8407 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 34132

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

[startup+108.701 s]
/proc/loadavg: 1.14 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34572 CPUtime=108.66
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8842 0 0 0 10857 9 0 0 25 0 1 0 203035881 35401728 8337 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8643 8337 67 122 0 8517 0
Current children cumulated CPU time (s) 108.66
Current children cumulated vsize (KiB) 34572

[startup+115.102 s]
/proc/loadavg: 1.13 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34760 CPUtime=115.06
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8862 0 0 0 11497 9 0 0 25 0 1 0 203035881 35594240 8357 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8690 8357 67 122 0 8564 0
Current children cumulated CPU time (s) 115.06
Current children cumulated vsize (KiB) 34760

[startup+116.702 s]
/proc/loadavg: 1.12 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34760 CPUtime=116.66
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8871 0 0 0 11657 9 0 0 25 0 1 0 203035881 35594240 8366 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8690 8366 67 122 0 8564 0
Current children cumulated CPU time (s) 116.66
Current children cumulated vsize (KiB) 34760

[startup+117.502 s]
/proc/loadavg: 1.12 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34760 CPUtime=117.46
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8872 0 0 0 11737 9 0 0 25 0 1 0 203035881 35594240 8367 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519284 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8690 8367 67 122 0 8564 0
Current children cumulated CPU time (s) 117.46
Current children cumulated vsize (KiB) 34760

[startup+117.902 s]
/proc/loadavg: 1.12 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34760 CPUtime=117.86
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8872 0 0 0 11777 9 0 0 25 0 1 0 203035881 35594240 8367 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519287 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8690 8367 67 122 0 8564 0
Current children cumulated CPU time (s) 117.86
Current children cumulated vsize (KiB) 34760

[startup+118.102 s]
/proc/loadavg: 1.12 1.04 0.94 2/78 16871
/proc/meminfo: memFree=1814264/2055920 swapFree=4169724/4192956
[pid=16870] ppid=16868 vsize=34760 CPUtime=118.06
/proc/16870/stat : 16870 (mxc) R 16868 16870 16362 0 -1 4194304 8872 0 0 0 11797 9 0 0 25 0 1 0 203035881 35594240 8367 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16870/statm: 8690 8367 67 122 0 8564 0
Current children cumulated CPU time (s) 118.06
Current children cumulated vsize (KiB) 34760

Child status: 10
Real time (s): 118.132
CPU time (s): 118.085
CPU user time (s): 117.984
CPU system time (s): 0.100984
CPU usage (%): 99.9599
Max. virtual memory (cumulated for all children) (KiB): 34896

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 117.984
system time used= 0.100984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8874
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= 10
involuntary context switches= 174

runsolver used 0.084987 second user time and 0.274958 second system time

The end

Launcher Data (download as text)

Begin job on node41 on Thu Apr 26 01:34:00 UTC 2007

IDJOB= 367670
IDBENCH= 20486
IDSOLVER= 174
FILE ID= node41/367670-1177551240

PBS_JOBID= 4696629

Free space on /tmp= 66359 MiB

SOLVER NAME= MXC 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_27.cnf
COMMAND LINE= /tmp/evaluation/367670-1177551240/mxc /tmp/evaluation/367670-1177551240/instance-367670-1177551240.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-367670-1177551240 -o ROOT/results/node41/solver-367670-1177551240 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/367670-1177551240/mxc /tmp/evaluation/367670-1177551240/instance-367670-1177551240.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  10c81d53b34b643d8b1b980e2d3fede8

RANDOM SEED= 883129153

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node41.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.232
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		: 3000.232
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:       1848272 kB
Buffers:         24696 kB
Cached:         111116 kB
SwapCached:       2432 kB
Active:         129056 kB
Inactive:        30888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1848272 kB
SwapTotal:     4192956 kB
SwapFree:      4169724 kB
Dirty:            1932 kB
Writeback:           0 kB
Mapped:          32216 kB
Slab:            32988 kB
Committed_AS:  3482168 kB
PageTables:       2012 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= 66359 MiB

End job on node41 on Thu Apr 26 01:35:58 UTC 2007