Trace number 1784095

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
MiniSat 2.1 (Sat-race'08 Edition)SAT 49.1875 49.2049

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_8_all.cnf
MD5SUM49323100760aa1d9fcd1b2d7081994d1
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark30.4094
Satisfiable
(Un)Satisfiability was proved
Number of variables1617
Number of clauses37237
Sum of the clauses size92593
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 225780
Number of clauses of size 38550
Number of clauses of size 4932
Number of clauses of size 51825
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.01/0.02	c |  Number of variables:          1617                                         |
0.01/0.02	c |  Number of clauses:           37237                                         |
0.01/0.02	c |  Parse time:                   0.02 s                                       |
0.09/0.11	c |  Simplification time:          0.08 s                                       |
0.09/0.11	c |                                                                             |
0.09/0.11	c ============================[ Search Statistics ]==============================
0.09/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.11	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.11	c ===============================================================================
0.09/0.11	c |       100 |    1613    36787    91281 |    13488      100     21 |  0.000 % |
0.09/0.11	c |       250 |    1607    36787    91281 |    14837      249     21 |  0.371 % |
0.09/0.12	c |       475 |    1601    36787    91281 |    16321      473     28 |  0.743 % |
0.09/0.13	c |       812 |    1595    36787    91281 |    17953      809     27 |  1.113 % |
0.09/0.15	c |      1318 |    1595    36463    90633 |    19748     1313     31 |  1.113 % |
0.09/0.18	c |      2077 |    1595    36463    90633 |    21723     2072     30 |  1.113 % |
0.19/0.24	c |      3216 |    1595    36463    90633 |    23895     3211     36 |  1.115 % |
0.29/0.32	c |      4924 |    1594    36431    90559 |    26285     4916     35 |  1.176 % |
0.39/0.46	c |      7486 |    1588    36431    90559 |    28913     7477     37 |  1.546 % |
0.69/0.71	c |     11330 |    1588    36333    90363 |    31805    11320     39 |  1.546 % |
1.29/1.30	c |     17096 |    1588    36333    90363 |    34985    17086     44 |  1.546 % |
2.49/2.53	c |     25745 |    1588    36333    90363 |    38484    25735     50 |  1.546 % |
6.49/6.55	c |     38719 |    1588    36333    90363 |    42332    18482     55 |  1.546 % |
14.29/14.39	c |     58180 |    1588    36333    90363 |    46566    37943     69 |  1.546 % |
28.68/28.79	c |     87372 |    1588    36333    90363 |    51222    42557     67 |  1.546 % |
48.98/49.09	c |    131161 |    1588    36333    90363 |    56345    32087     60 |  1.546 % |
49.08/49.19	c ===============================================================================
49.08/49.19	c restarts              : 359
49.08/49.19	c conflicts             : 131392         (2677 /sec)
49.08/49.19	c decisions             : 282759         (5760 /sec)
49.08/49.19	c propagations          : 23615364       (481097 /sec)
49.08/49.19	c conflict literals     : 9933935        (33.17 % deleted)
49.08/49.19	c Memory used           : 41.30 MB
49.08/49.19	c CPU time              : 49.0865 s
49.08/49.19	c 
49.08/49.19	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-1784095-1241914726/watcher-1784095-1241914726 -o /tmp/evaluation-result-1784095-1241914726/solver-1784095-1241914726 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1784095-1241914726.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): 6000 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 5608
/proc/meminfo: memFree=1812336/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=7600 CPUtime=0
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 326 0 0 0 0 0 0 0 18 0 1 0 219506741 7782400 310 1992294400 4194304 5092341 548682068848 18446744073709551615 4236589 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 1900 316 63 219 0 1678 0

[startup+0.0190211 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 5608
/proc/meminfo: memFree=1812336/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=8444 CPUtime=0.01
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 628 0 0 0 1 0 0 0 18 0 1 0 219506741 8646656 612 1992294400 4194304 5092341 548682068848 18446744073709551615 4270245 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 2111 614 63 219 0 1889 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8444

[startup+0.101036 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 5608
/proc/meminfo: memFree=1812336/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=9032 CPUtime=0.09
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 863 0 0 0 9 0 0 0 18 0 1 0 219506741 9248768 847 1992294400 4194304 5092341 548682068848 18446744073709551615 4219478 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 2258 847 88 219 0 2036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9032

[startup+0.301073 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 5608
/proc/meminfo: memFree=1812336/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=8868 CPUtime=0.29
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 1164 0 0 0 29 0 0 0 19 0 1 0 219506741 9080832 943 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 2217 943 101 219 0 1995 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8868

[startup+0.701145 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 5608
/proc/meminfo: memFree=1812336/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=9296 CPUtime=0.69
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 1549 0 0 0 69 0 0 0 22 0 1 0 219506741 9519104 1328 1992294400 4194304 5092341 548682068848 18446744073709551615 4241086 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 2324 1328 103 219 0 2102 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9296

[startup+1.50129 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1806376/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=9972 CPUtime=1.49
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 2125 0 0 0 149 0 0 0 25 0 1 0 219506741 10211328 1904 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 2493 1904 103 219 0 2271 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9972

[startup+3.10158 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1803624/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=13340 CPUtime=3.09
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 2957 0 0 0 308 1 0 0 25 0 1 0 219506741 13660160 2736 1992294400 4194304 5092341 548682068848 18446744073709551615 4249968 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 3335 2736 103 219 0 3113 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13340

[startup+6.30117 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1798376/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=18164 CPUtime=6.29
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 3958 0 0 0 627 2 0 0 25 0 1 0 219506741 18599936 3737 1992294400 4194304 5092341 548682068848 18446744073709551615 4251470 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 4541 3737 103 219 0 4319 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18164

[startup+12.7013 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1792168/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=31256 CPUtime=12.68
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 7838 0 0 0 1264 4 0 0 25 0 1 0 219506741 32006144 5185 1992294400 4194304 5092341 548682068848 18446744073709551615 4240661 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 7814 5185 103 219 0 7592 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 31256

[startup+25.5017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1777640/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=25.48
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11382 0 0 0 2540 8 0 0 25 0 1 0 219506741 43298816 8729 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 8729 103 219 0 10349 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 42284

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

[startup+38.302 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=38.28
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 3819 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4250061 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 42284

[startup+44.7012 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=44.68
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 4459 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 44.68
Current children cumulated vsize (KiB) 42284

[startup+46.3015 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=46.28
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 4619 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4268504 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 46.28
Current children cumulated vsize (KiB) 42284

[startup+47.9018 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=47.88
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 4779 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 47.88
Current children cumulated vsize (KiB) 42284

[startup+48.7019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=48.68
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 4859 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4240665 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 48.68
Current children cumulated vsize (KiB) 42284

[startup+49.102 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=42284 CPUtime=49.08
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194304 11967 0 0 0 4899 9 0 0 25 0 1 0 219506741 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241260 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 49.08
Current children cumulated vsize (KiB) 42284

[startup+49.202 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 5609
/proc/meminfo: memFree=1775144/2055920 swapFree=4168272/4192956
[pid=5608] ppid=5606 vsize=0 CPUtime=49.17
/proc/5608/stat : 5608 (minisat) R 5606 5608 5321 0 -1 4194308 11977 0 0 0 4908 9 0 0 25 0 1 0 219506741 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/5608/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 49.17
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 49.2049
CPU time (s): 49.1875
CPU user time (s): 49.0875
CPU system time (s): 0.099984
CPU usage (%): 99.9647
Max. virtual memory (cumulated for all children) (KiB): 42284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 49.0875
system time used= 0.099984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11977
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= 111

runsolver used 0.052991 second user time and 0.108983 second system time

The end

Launcher Data 

Begin job on node2 at 2009-05-10 02:18:46
IDJOB=1784095
IDBENCH=70929
IDSOLVER=608
FILE ID=node2/1784095-1241914726
PBS_JOBID= 9264852
Free space on /tmp= 66212 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_4_8_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784095-1241914726/watcher-1784095-1241914726 -o /tmp/evaluation-result-1784095-1241914726/solver-1784095-1241914726 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1784095-1241914726.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 49323100760aa1d9fcd1b2d7081994d1
RANDOM SEED=1462494496

node2.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		: 3000.265
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		: 3000.265
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:       1812816 kB
Buffers:         40600 kB
Cached:         119176 kB
SwapCached:      18928 kB
Active:          38136 kB
Inactive:       142908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1812816 kB
SwapTotal:     4192956 kB
SwapFree:      4168272 kB
Dirty:            1464 kB
Writeback:           0 kB
Mapped:          14012 kB
Slab:            48004 kB
Committed_AS:   951180 kB
PageTables:       1468 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 node2 at 2009-05-10 02:19:36