Trace number 1725762

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 1.76073 1.76078

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

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:  2765                                                 |
0.00/0.00	c |  Number of clauses:    18046                                                |
0.00/0.04	c |  Parsing time:         0.04         s                                       |
0.09/0.18	c ============================[ Search Statistics ]==============================
0.09/0.18	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.18	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.18	c ===============================================================================
0.09/0.18	c |         0 |    2157    11940    77315 |     3980        0    nan |  0.000 % |
0.09/0.18	c |       100 |    2157    11940    77315 |     4378      100     10 |  2.061 % |
0.09/0.18	c |       251 |    2157    11940    77315 |     4815      251     11 |  2.061 % |
0.09/0.19	c |       477 |    2157    11940    77315 |     5297      477     12 |  2.062 % |
0.19/0.20	c |       814 |    2157    11940    77315 |     5827      814     13 |  2.062 % |
0.19/0.21	c |      1320 |    2157    11940    77315 |     6409     1320     14 |  2.061 % |
0.19/0.24	c |      2079 |    2157    11940    77315 |     7050     2079     16 |  2.062 % |
0.19/0.28	c |      3219 |    2157    11940    77315 |     7755     3219     16 |  2.062 % |
0.29/0.34	c |      4927 |    2157    11940    77315 |     8531     4927     16 |  2.061 % |
0.49/0.51	c |      7489 |    2157    11940    77315 |     9384     7489     19 |  2.062 % |
0.79/0.85	c |     11334 |    2157    11940    77315 |    10323     6492     20 |  2.061 % |
1.39/1.44	c |     17100 |    2157    11940    77315 |    11355     6998     22 |  2.062 % |
1.69/1.75	c ===============================================================================
1.69/1.75	c restarts              : 12
1.69/1.75	c conflicts             : 20182          (11501 /sec)
1.69/1.75	c decisions             : 57756          (1.92 % random) (32914 /sec)
1.69/1.75	c propagations          : 1088411        (620272 /sec)
1.69/1.75	c conflict literals     : 452255         (24.93 % deleted)
1.69/1.75	c Memory used           : 4.27 MB
1.69/1.75	c CPU time              : 1.75473 s
1.69/1.75	c 
1.69/1.75	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-1725762-1240706456/watcher-1725762-1240706456 -o /tmp/evaluation-result-1725762-1240706456/solver-1725762-1240706456 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-1725762-1240706456.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: 0.91 0.95 0.98 3/65 19949
/proc/meminfo: memFree=1599672/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=2176 CPUtime=0
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 366 0 0 0 0 0 0 0 18 0 1 0 98676018 2228224 352 1992294400 134512640 135048876 4294956208 18446744073709551615 134531283 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 544 352 50 130 0 411 0

[startup+0.101224 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 19949
/proc/meminfo: memFree=1599672/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=3916 CPUtime=0.09
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 793 0 0 0 9 0 0 0 18 0 1 0 98676018 4009984 779 1992294400 134512640 135048876 4294956208 18446744073709551615 134521147 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 979 779 62 130 0 846 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3916

[startup+0.201245 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 19949
/proc/meminfo: memFree=1599672/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4108 CPUtime=0.19
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 906 0 0 0 19 0 0 0 18 0 1 0 98676018 4206592 846 1992294400 134512640 135048876 4294956208 18446744073709551615 134547023 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1027 846 66 130 0 894 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 4108

[startup+0.301263 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 19949
/proc/meminfo: memFree=1599672/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4108 CPUtime=0.29
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 906 0 0 0 29 0 0 0 19 0 1 0 98676018 4206592 846 1992294400 134512640 135048876 4294956208 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1027 846 66 130 0 894 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4108

[startup+0.701341 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 19949
/proc/meminfo: memFree=1599672/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4108 CPUtime=0.69
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 908 0 0 0 69 0 0 0 23 0 1 0 98676018 4206592 848 1992294400 134512640 135048876 4294956208 18446744073709551615 134548928 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1027 848 66 130 0 894 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4108

[startup+1.5015 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 19950
/proc/meminfo: memFree=1596336/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4372 CPUtime=1.49
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 955 0 0 0 149 0 0 0 25 0 1 0 98676018 4476928 895 1992294400 134512640 135048876 4294956208 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1093 895 66 130 0 960 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4372

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

[startup+1.60152 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 19950
/proc/meminfo: memFree=1596336/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4372 CPUtime=1.59
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 956 0 0 0 159 0 0 0 25 0 1 0 98676018 4476928 896 1992294400 134512640 135048876 4294956208 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1093 896 66 130 0 960 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 4372

[startup+1.70154 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 19950
/proc/meminfo: memFree=1596336/2055920 swapFree=4181424/4192956
[pid=19949] ppid=19947 vsize=4372 CPUtime=1.69
/proc/19949/stat : 19949 (minisat_noasser) R 19947 19949 19882 0 -1 4194304 962 0 0 0 169 0 0 0 25 0 1 0 98676018 4476928 902 1992294400 134512640 135048876 4294956208 18446744073709551615 134547004 0 0 4096 3 0 0 0 17 0 0 0
/proc/19949/statm: 1093 902 66 130 0 960 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 4372

Child status: 10
Real time (s): 1.76078
CPU time (s): 1.76073
CPU user time (s): 1.75573
CPU system time (s): 0.004999
CPU usage (%): 99.9971
Max. virtual memory (cumulated for all children) (KiB): 4372

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.75573
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 984
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= 6

runsolver used 0.005999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node77 at 2009-04-26 02:40:56
IDJOB=1725762
IDBENCH=24597
IDSOLVER=556
FILE ID=node77/1725762-1240706456
PBS_JOBID= 9186812
Free space on /tmp= 66212 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725762-1240706456/watcher-1725762-1240706456 -o /tmp/evaluation-result-1725762-1240706456/solver-1725762-1240706456 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-1725762-1240706456.cnf

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=97432189

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:       1600216 kB
Buffers:         46248 kB
Cached:         337640 kB
SwapCached:       5412 kB
Active:         124832 kB
Inactive:       266884 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1600216 kB
SwapTotal:     4192956 kB
SwapFree:      4181424 kB
Dirty:            2164 kB
Writeback:           0 kB
Mapped:          13440 kB
Slab:            49976 kB
Committed_AS:   434196 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= 66212 MiB
End job on node77 at 2009-04-26 02:40:58