Trace number 1725735

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
IUT_BMB_SAT 1.0SAT 4.50831 4.51223

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 IUT_BMB_SAT version 1.0
0.19/0.22	c WARNING: for repeatability, setting FPU to use double precision
0.19/0.22	c ============================[ Problem Statistics ]=============================
0.19/0.22	c |                                                                             |
0.19/0.22	c |  Number of variables:  2765                                                 |
0.19/0.22	c |  Number of clauses:    17505                                                |
0.19/0.26	c |  Parsing time:         0.04         s                                       |
0.21/0.39	c ============================[ Search Statistics ]==============================
0.21/0.39	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.21/0.39	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.21/0.39	c ===============================================================================
0.21/0.39	c |         0 |    2153    11939    77323 |     3979        0    nan |  0.000 % |
0.21/0.40	c |       101 |    2153    11939    77323 |     4377      101     13 |  0.036 % |
0.21/0.40	c |       251 |    2153    11939    77323 |     4815      251     14 |  0.036 % |
0.21/0.40	c |       476 |    2153    11939    77323 |     5296      476     14 |  0.036 % |
0.21/0.41	c |       813 |    2153    11939    77323 |     5826      813     14 |  0.036 % |
0.21/0.43	c |      1319 |    2153    11939    77323 |     6409     1319     16 |  0.036 % |
0.21/0.45	c |      2078 |    2153    11939    77323 |     7050     2078     16 |  0.036 % |
0.21/0.50	c |      3218 |    2153    11939    77323 |     7755     3218     18 |  0.036 % |
0.21/0.56	c |      4927 |    2153    11939    77323 |     8530     4927     17 |  0.036 % |
0.21/0.70	c |      7489 |    2153    11939    77323 |     9383     7489     18 |  0.036 % |
0.21/0.96	c |     11333 |    2153    11939    77323 |    10322     6552     19 |  0.036 % |
1.28/1.39	c |     17099 |    2153    11939    77323 |    11354     7071     22 |  0.036 % |
2.08/2.19	c |     25748 |    2153    11939    77323 |    12489     9945     24 |  0.036 % |
3.68/3.73	c |     38722 |    2153    11939    77323 |    13738    10304     23 |  0.036 % |
4.38/4.50	c ===============================================================================
4.38/4.50	c restarts              : 14
4.38/4.50	c conflicts             : 43588          (10217 /sec)
4.38/4.50	c decisions             : 96492          (1.89 % random) (22617 /sec)
4.38/4.50	c propagations          : 2533872        (593920 /sec)
4.38/4.50	c conflict literals     : 1052381        (30.79 % deleted)
4.38/4.50	c Memory used           : 5.16 MB
4.38/4.50	c CPU time              : 4.26635 s
4.38/4.50	
4.47/4.50	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-1725735-1240706364/watcher-1725735-1240706364 -o /tmp/evaluation-result-1725735-1240706364/solver-1725735-1240706364 -C 1200 -W 1800 -M 1800 --output-limit 1,15 IUT_BMB_SAT HOME/instance-1725735-1240706364.cnf HOME 

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: 1.07 1.15 1.07 3/65 14780
/proc/meminfo: memFree=1624840/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=1636 CPUtime=0
/proc/14780/stat : 14780 (IUT_BMB_SAT) R 14778 14780 14569 0 -1 4194304 208 0 0 0 0 0 0 0 20 0 1 0 98665738 1675264 191 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 1 0 0
/proc/14780/statm: 409 192 92 274 0 132 0

[startup+0.0206699 s]
/proc/loadavg: 1.07 1.15 1.07 3/65 14780
/proc/meminfo: memFree=1624840/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=2060 CPUtime=0.01
/proc/14780/stat : 14780 (IUT_BMB_SAT) R 14778 14780 14569 0 -1 4194304 346 0 0 0 1 0 0 0 20 0 1 0 98665738 2109440 329 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 1 0 0
/proc/14780/statm: 515 329 99 274 0 238 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2060

[startup+0.101678 s]
/proc/loadavg: 1.07 1.15 1.07 3/65 14780
/proc/meminfo: memFree=1624840/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.09
/proc/14780/stat : 14780 (IUT_BMB_SAT) R 14778 14780 14569 0 -1 4194304 729 0 0 0 9 0 0 0 20 0 1 0 98665738 3731456 712 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 1 0 0
/proc/14780/statm: 911 712 99 274 0 634 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3644

[startup+0.301699 s]
/proc/loadavg: 1.07 1.15 1.07 3/65 14780
/proc/meminfo: memFree=1624840/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 3644

[startup+0.701741 s]
/proc/loadavg: 1.07 1.15 1.07 3/65 14780
/proc/meminfo: memFree=1624840/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 3644

[startup+1.50182 s]
/proc/loadavg: 1.07 1.15 1.07 2/68 14783
/proc/meminfo: memFree=1618096/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
[pid=14782] ppid=14780 vsize=5356 CPUtime=0
/proc/14782/stat : 14782 (sh) S 14780 14780 14569 0 -1 4194304 270 0 0 0 0 0 0 0 24 0 1 0 98665760 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14782/statm: 1339 232 193 169 0 50 0
[pid=14783] ppid=14782 vsize=4420 CPUtime=1.27
/proc/14783/stat : 14783 (minisat) R 14782 14780 14569 0 -1 4194304 956 0 0 0 127 0 0 0 25 0 1 0 98665761 4526080 893 1992294400 134512640 135243223 4294956320 18446744073709551615 134555653 0 0 4096 3 0 0 0 17 1 0 0
/proc/14783/statm: 1105 893 84 178 0 925 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 13420

[startup+3.10299 s]
/proc/loadavg: 1.07 1.15 1.07 2/68 14783
/proc/meminfo: memFree=1617712/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
[pid=14782] ppid=14780 vsize=5356 CPUtime=0
/proc/14782/stat : 14782 (sh) S 14780 14780 14569 0 -1 4194304 270 0 0 0 0 0 0 0 24 0 1 0 98665760 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14782/statm: 1339 232 193 169 0 50 0
[pid=14783] ppid=14782 vsize=5012 CPUtime=2.87
/proc/14783/stat : 14783 (minisat) R 14782 14780 14569 0 -1 4194304 1088 0 0 0 287 0 0 0 25 0 1 0 98665761 5132288 1025 1992294400 134512640 135243223 4294956320 18446744073709551615 134555619 0 0 4096 3 0 0 0 17 1 0 0
/proc/14783/statm: 1253 1025 84 178 0 1073 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 14012

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

[startup+3.90107 s]
/proc/loadavg: 1.07 1.15 1.07 2/68 14783
/proc/meminfo: memFree=1617328/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
[pid=14782] ppid=14780 vsize=5356 CPUtime=0
/proc/14782/stat : 14782 (sh) S 14780 14780 14569 0 -1 4194304 270 0 0 0 0 0 0 0 24 0 1 0 98665760 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14782/statm: 1339 232 193 169 0 50 0
[pid=14783] ppid=14782 vsize=5012 CPUtime=3.67
/proc/14783/stat : 14783 (minisat) R 14782 14780 14569 0 -1 4194304 1108 0 0 0 367 0 0 0 25 0 1 0 98665761 5132288 1045 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 1 0 0
/proc/14783/statm: 1253 1045 84 178 0 1073 0
Current children cumulated CPU time (s) 3.88
Current children cumulated vsize (KiB) 14012

[startup+4.30112 s]
/proc/loadavg: 1.07 1.15 1.07 2/68 14783
/proc/meminfo: memFree=1617008/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
[pid=14782] ppid=14780 vsize=5356 CPUtime=0
/proc/14782/stat : 14782 (sh) S 14780 14780 14569 0 -1 4194304 270 0 0 0 0 0 0 0 24 0 1 0 98665760 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14782/statm: 1339 232 193 169 0 50 0
[pid=14783] ppid=14782 vsize=5276 CPUtime=4.07
/proc/14783/stat : 14783 (minisat) R 14782 14780 14569 0 -1 4194304 1153 0 0 0 407 0 0 0 25 0 1 0 98665761 5402624 1090 1992294400 134512640 135243223 4294956320 18446744073709551615 134747750 0 0 4096 3 0 0 0 17 1 0 0
/proc/14783/statm: 1319 1090 84 178 0 1139 0
Current children cumulated CPU time (s) 4.28
Current children cumulated vsize (KiB) 14276

[startup+4.50114 s]
/proc/loadavg: 1.07 1.15 1.07 2/68 14783
/proc/meminfo: memFree=1617008/2055924 swapFree=4181440/4192956
[pid=14780] ppid=14778 vsize=3644 CPUtime=0.21
/proc/14780/stat : 14780 (IUT_BMB_SAT) S 14778 14780 14569 0 -1 4194304 751 0 0 0 15 6 0 0 22 0 1 0 98665738 3731456 733 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 1 0 0
/proc/14780/statm: 911 733 106 274 0 634 0
[pid=14782] ppid=14780 vsize=5356 CPUtime=0
/proc/14782/stat : 14782 (sh) S 14780 14780 14569 0 -1 4194304 270 0 0 0 0 0 0 0 24 0 1 0 98665760 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14782/statm: 1339 232 193 169 0 50 0
[pid=14783] ppid=14782 vsize=5284 CPUtime=4.26
/proc/14783/stat : 14783 (minisat) R 14782 14780 14569 0 -1 4194304 1168 0 0 0 426 0 0 0 25 0 1 0 98665761 5410816 1104 1992294400 134512640 135243223 4294956320 18446744073709551615 134769774 0 0 4096 3 0 0 0 17 1 0 0
/proc/14783/statm: 1321 1104 92 178 0 1141 0
Current children cumulated CPU time (s) 4.47
Current children cumulated vsize (KiB) 14284

Child status: 0
Real time (s): 4.51223
CPU time (s): 4.50831
CPU user time (s): 4.43033
CPU system time (s): 0.077988
CPU usage (%): 99.9133
Max. virtual memory (cumulated for all children) (KiB): 14284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.43033
system time used= 0.077988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2677
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= 8
involuntary context switches= 15

runsolver used 0.008998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node83 at 2009-04-26 02:39:24
IDJOB=1725735
IDBENCH=24597
IDSOLVER=523
FILE ID=node83/1725735-1240706364
PBS_JOBID= 9186819
Free space on /tmp= 66028 MiB

SOLVER NAME= IUT_BMB_SAT 1.0
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= IUT_BMB_SAT BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725735-1240706364/watcher-1725735-1240706364 -o /tmp/evaluation-result-1725735-1240706364/solver-1725735-1240706364 -C 1200 -W 1800 -M 1800 --output-limit 1,15  IUT_BMB_SAT HOME/instance-1725735-1240706364.cnf HOME

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=367394760

node83.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		: 3000.222
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		: 3000.222
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:      2055924 kB
MemFree:       1625256 kB
Buffers:         43468 kB
Cached:         328800 kB
SwapCached:       5336 kB
Active:          91236 kB
Inactive:       289908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1625256 kB
SwapTotal:     4192956 kB
SwapFree:      4181440 kB
Dirty:            2852 kB
Writeback:           0 kB
Mapped:          13468 kB
Slab:            35488 kB
Committed_AS:   374200 kB
PageTables:       1384 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= 66024 MiB
End job on node83 at 2009-04-26 02:39:29