Trace number 1731734

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
SAT07 reference solver: minisat SAT 2007SAT 19.629 19.6359

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_9_exp.cnf
MD5SUM4b407f7d85e83c60fceae64b7f0e6e1f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.43233
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses26387
Sum of the clauses size71003
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214880
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  1677                                                 |
0.00/0.00	c |  Number of clauses:    26387                                                |
0.00/0.02	c |  Parsing time:         0.02         s                                       |
0.05/0.07	c ============================[ Search Statistics ]==============================
0.05/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.05/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.05/0.07	c ===============================================================================
0.05/0.07	c |         0 |    1673    25987    69839 |     8662        0    nan |  0.000 % |
0.05/0.07	c |       102 |    1673    25987    69839 |     9528      102     19 |  0.000 % |
0.05/0.07	c |       255 |    1668    25987    69839 |    10481      254     20 |  0.298 % |
0.05/0.08	c |       480 |    1667    25987    69839 |    11529      478     24 |  0.537 % |
0.09/0.10	c |       818 |    1662    25987    69839 |    12682      815     30 |  0.835 % |
0.09/0.12	c |      1324 |    1654    25987    69839 |    13950     1320     29 |  1.133 % |
0.09/0.15	c |      2084 |    1650    25663    69191 |    15345     2076     31 |  1.372 % |
0.19/0.21	c |      3224 |    1650    25663    69191 |    16880     3216     33 |  1.372 % |
0.29/0.33	c |      4932 |    1641    25603    69071 |    18568     4920     40 |  1.908 % |
0.49/0.58	c |      7494 |    1641    25603    69071 |    20425     7482     48 |  1.908 % |
1.09/1.16	c |     11339 |    1641    25473    68811 |    22467    11324     53 |  1.908 % |
2.39/2.44	c |     17105 |    1637    25421    68707 |    24714    17082     57 |  2.147 % |
4.99/5.05	c |     25756 |    1637    25421    68707 |    27186    13202     51 |  2.147 % |
9.38/9.46	c |     38730 |    1637    25421    68707 |    29904    26176     60 |  2.147 % |
18.79/18.84	c |     58191 |    1637    25421    68707 |    32895    15436     45 |  2.147 % |
19.59/19.63	c ===============================================================================
19.59/19.63	c restarts              : 15
19.59/19.63	c conflicts             : 61104          (3117 /sec)
19.59/19.63	c decisions             : 150891         (1.59 % random) (7697 /sec)
19.59/19.63	c propagations          : 7644371        (389939 /sec)
19.59/19.63	c conflict literals     : 4073711        (28.94 % deleted)
19.59/19.63	c Memory used           : 11.93 MB
19.59/19.63	c CPU time              : 19.604 s
19.59/19.63	c 
19.59/19.63	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-1731734-1240774029/watcher-1731734-1240774029 -o /tmp/evaluation-result-1731734-1240774029/solver-1731734-1240774029 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-1731734-1240774029.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: 1.09 1.03 1.08 2/65 25444
/proc/meminfo: memFree=1423920/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=2132 CPUtime=0
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 300 0 0 0 0 0 0 0 20 0 1 0 105433303 2183168 286 1992294400 134512640 135048876 4294956192 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 533 287 50 130 0 400 0

[startup+0.0541711 s]
/proc/loadavg: 1.09 1.03 1.08 2/65 25444
/proc/meminfo: memFree=1423920/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=3728 CPUtime=0.05
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 679 0 0 0 5 0 0 0 20 0 1 0 105433303 3817472 665 1992294400 134512640 135048876 4294956192 18446744073709551615 134523567 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 932 665 62 130 0 799 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3728

[startup+0.10118 s]
/proc/loadavg: 1.09 1.03 1.08 2/65 25444
/proc/meminfo: memFree=1423920/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=3484 CPUtime=0.09
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 684 0 0 0 9 0 0 0 20 0 1 0 105433303 3567616 618 1992294400 134512640 135048876 4294956192 18446744073709551615 134546897 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 871 618 67 130 0 738 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3484

[startup+0.30122 s]
/proc/loadavg: 1.09 1.03 1.08 2/65 25444
/proc/meminfo: memFree=1423920/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=3880 CPUtime=0.29
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 788 0 0 0 29 0 0 0 22 0 1 0 105433303 3973120 722 1992294400 134512640 135048876 4294956192 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 970 722 67 130 0 837 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3880

[startup+0.701299 s]
/proc/loadavg: 1.09 1.03 1.08 2/65 25444
/proc/meminfo: memFree=1423920/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=4988 CPUtime=0.69
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 1074 0 0 0 69 0 0 0 25 0 1 0 105433303 5107712 1008 1992294400 134512640 135048876 4294956192 18446744073709551615 134547037 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 1247 1008 67 130 0 1114 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4988

[startup+1.50146 s]
/proc/loadavg: 1.08 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1419432/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=6632 CPUtime=1.49
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 1468 0 0 0 149 0 0 0 25 0 1 0 105433303 6791168 1402 1992294400 134512640 135048876 4294956192 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 1658 1402 67 130 0 1525 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6632

[startup+3.10177 s]
/proc/loadavg: 1.08 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1417576/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=8752 CPUtime=3.09
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 1998 0 0 0 308 1 0 0 25 0 1 0 105433303 8962048 1932 1992294400 134512640 135048876 4294956192 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 2188 1932 67 130 0 2055 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8752

[startup+6.3014 s]
/proc/loadavg: 1.08 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1414576/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=10204 CPUtime=6.29
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2394 0 0 0 628 1 0 0 25 0 1 0 105433303 10448896 2328 1992294400 134512640 135048876 4294956192 18446744073709551615 134547318 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 2551 2328 67 130 0 2418 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10204

[startup+12.7017 s]
/proc/loadavg: 1.07 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412656/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=12.69
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2860 0 0 0 1267 2 0 0 25 0 1 0 105433303 12509184 2794 1992294400 134512640 135048876 4294956192 18446744073709551615 134546922 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2794 67 130 0 2921 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 12216

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

[startup+15.9013 s]
/proc/loadavg: 1.07 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412656/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=15.89
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2869 0 0 0 1587 2 0 0 25 0 1 0 105433303 12509184 2803 1992294400 134512640 135048876 4294956192 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2803 67 130 0 2921 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 12216

[startup+17.5016 s]
/proc/loadavg: 1.06 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412592/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=17.49
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2876 0 0 0 1747 2 0 0 25 0 1 0 105433303 12509184 2810 1992294400 134512640 135048876 4294956192 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2810 67 130 0 2921 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 12216

[startup+18.3018 s]
/proc/loadavg: 1.06 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412592/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=18.29
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2876 0 0 0 1827 2 0 0 25 0 1 0 105433303 12509184 2810 1992294400 134512640 135048876 4294956192 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2810 67 130 0 2921 0
Current children cumulated CPU time (s) 18.29
Current children cumulated vsize (KiB) 12216

[startup+19.1029 s]
/proc/loadavg: 1.06 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412592/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=19.09
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2877 0 0 0 1907 2 0 0 25 0 1 0 105433303 12509184 2811 1992294400 134512640 135048876 4294956192 18446744073709551615 134546977 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2811 67 130 0 2921 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 12216

[startup+19.502 s]
/proc/loadavg: 1.06 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412592/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=19.49
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2877 0 0 0 1947 2 0 0 25 0 1 0 105433303 12509184 2811 1992294400 134512640 135048876 4294956192 18446744073709551615 134546983 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2811 67 130 0 2921 0
Current children cumulated CPU time (s) 19.49
Current children cumulated vsize (KiB) 12216

[startup+19.602 s]
/proc/loadavg: 1.06 1.03 1.08 2/66 25445
/proc/meminfo: memFree=1412592/2055920 swapFree=4181424/4192956
[pid=25444] ppid=25442 vsize=12216 CPUtime=19.59
/proc/25444/stat : 25444 (minisat_noasser) R 25442 25444 25009 0 -1 4194304 2877 0 0 0 1957 2 0 0 25 0 1 0 105433303 12509184 2811 1992294400 134512640 135048876 4294956192 18446744073709551615 134547023 0 0 4096 3 0 0 0 17 1 0 0
/proc/25444/statm: 3054 2811 67 130 0 2921 0
Current children cumulated CPU time (s) 19.59
Current children cumulated vsize (KiB) 12216

Child status: 10
Real time (s): 19.6359
CPU time (s): 19.629
CPU user time (s): 19.604
CPU system time (s): 0.024996
CPU usage (%): 99.9651
Max. virtual memory (cumulated for all children) (KiB): 12216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.604
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2883
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= 25

runsolver used 0.024996 second user time and 0.053991 second system time

The end

Launcher Data 

Begin job on node77 at 2009-04-26 21:27:09
IDJOB=1731734
IDBENCH=70917
IDSOLVER=556
FILE ID=node77/1731734-1240774029
PBS_JOBID= 9187199
Free space on /tmp= 66216 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1731734-1240774029/watcher-1731734-1240774029 -o /tmp/evaluation-result-1731734-1240774029/solver-1731734-1240774029 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-1731734-1240774029.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=765155333

node77.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		: 3000.270
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		: 3000.270
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1424336 kB
Buffers:         67592 kB
Cached:         485124 kB
SwapCached:       5496 kB
Active:         223352 kB
Inactive:       337328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1424336 kB
SwapTotal:     4192956 kB
SwapFree:      4181424 kB
Dirty:            1972 kB
Writeback:           0 kB
Mapped:          13556 kB
Slab:            56856 kB
Committed_AS:   470372 kB
PageTables:       1372 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= 66216 MiB
End job on node77 at 2009-04-26 21:27:29