Trace number 1806647

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
minisat2-core 070721SAT 16.2195 16.2226

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 benchmark10.3794
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	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  1677                                                 |
0.00/0.00	|  Number of clauses:    26387                                                |
0.00/0.01	|  Parsing time:         0.01         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |    1677    26387    71003 |     8795        0    nan |  0.000 % |
0.00/0.01	|       100 |    1677    26387    71003 |     9675      100     20 |  0.000 % |
0.01/0.02	|       250 |    1677    26387    71003 |    10642      250     22 |  0.000 % |
0.01/0.03	|       476 |    1662    26387    71003 |    11707      473     27 |  0.894 % |
0.01/0.04	|       813 |    1662    26387    71003 |    12877      810     27 |  0.894 % |
0.01/0.06	|      1321 |    1662    26387    71003 |    14165     1318     29 |  0.894 % |
0.09/0.11	|      2082 |    1662    26126    70481 |    15582     2076     42 |  0.894 % |
0.09/0.17	|      3221 |    1649    25928    70085 |    17140     3205     40 |  1.670 % |
0.19/0.26	|      4929 |    1649    25928    70085 |    18854     4913     41 |  1.670 % |
0.39/0.48	|      7491 |    1641    25928    70085 |    20739     7473     47 |  2.147 % |
1.00/1.03	|     11335 |    1641    25821    69871 |    22813    11315     54 |  2.147 % |
1.79/1.89	|     17101 |    1640    25803    69823 |    25095    17076     57 |  2.206 % |
4.69/4.77	|     25751 |    1640    25803    69823 |    27604    13024     51 |  2.206 % |
8.39/8.40	|     38725 |    1637    25754    69695 |    30365    25981     58 |  2.385 % |
16.18/16.21	===============================================================================
16.18/16.22	restarts              : 14
16.18/16.22	conflicts             : 54976          (3394 /sec)
16.18/16.22	decisions             : 149472         (1.63 % random) (9227 /sec)
16.18/16.22	propagations          : 6566852        (405398 /sec)
16.18/16.22	conflict literals     : 3506971        (27.86 % deleted)
16.18/16.22	Memory used           : 12.00 MB
16.18/16.22	CPU time              : 16.1985 s
16.18/16.22	
16.18/16.22	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-1806647-1242151441/watcher-1806647-1242151441 -o /tmp/evaluation-result-1806647-1242151441/solver-1806647-1242151441 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806647-1242151441.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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7593
/proc/meminfo: memFree=833200/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=2164 CPUtime=0
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 276 0 0 0 0 0 0 0 18 0 1 0 243173788 2215936 261 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 541 262 58 171 0 367 0

[startup+0.0183209 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7593
/proc/meminfo: memFree=833200/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=2992 CPUtime=0.01
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 511 0 0 0 1 0 0 0 18 0 1 0 243173788 3063808 496 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 748 497 77 171 0 574 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2992

[startup+0.101331 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7593
/proc/meminfo: memFree=833200/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=3388 CPUtime=0.09
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 607 0 0 0 9 0 0 0 18 0 1 0 243173788 3469312 592 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 847 592 78 171 0 673 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3388

[startup+0.301353 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7593
/proc/meminfo: memFree=833200/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=4180 CPUtime=0.29
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 802 0 0 0 29 0 0 0 19 0 1 0 243173788 4280320 787 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 1045 787 78 171 0 871 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4180

[startup+0.701396 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7593
/proc/meminfo: memFree=833200/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=5368 CPUtime=0.69
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 1085 0 0 0 69 0 0 0 23 0 1 0 243173788 5496832 1070 1992294400 134512640 135213614 4294956256 18446744073709551615 134527032 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 1342 1070 78 171 0 1168 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5368

[startup+1.50148 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=828520/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=7084 CPUtime=1.49
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 1526 0 0 0 149 0 0 0 25 0 1 0 243173788 7254016 1511 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 1771 1511 78 171 0 1597 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7084

[startup+3.10166 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=826216/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=9208 CPUtime=3.1
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2054 0 0 0 309 1 0 0 25 0 1 0 243173788 9428992 2039 1992294400 134512640 135213614 4294956256 18446744073709551615 134526789 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 2302 2039 78 171 0 2128 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 9208

[startup+6.30302 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=823784/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=10528 CPUtime=6.29
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2377 0 0 0 628 1 0 0 25 0 1 0 243173788 10780672 2362 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 2632 2362 78 171 0 2458 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10528

[startup+12.7017 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12148 CPUtime=12.69
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2775 0 0 0 1268 1 0 0 25 0 1 0 243173788 12439552 2760 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3037 2760 78 171 0 2863 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 12148

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

[startup+14.3059 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12148 CPUtime=14.29
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2787 0 0 0 1428 1 0 0 25 0 1 0 243173788 12439552 2772 1992294400 134512640 135213614 4294956256 18446744073709551615 134529474 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3037 2772 78 171 0 2863 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 12148

[startup+15.103 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12148 CPUtime=15.09
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2787 0 0 0 1508 1 0 0 25 0 1 0 243173788 12439552 2772 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3037 2772 78 171 0 2863 0
Current children cumulated CPU time (s) 15.09
Current children cumulated vsize (KiB) 12148

[startup+15.9011 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12148 CPUtime=15.88
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2791 0 0 0 1587 1 0 0 25 0 1 0 243173788 12439552 2776 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3037 2776 78 171 0 2863 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 12148

[startup+16.1011 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12284 CPUtime=16.08
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2794 0 0 0 1607 1 0 0 25 0 1 0 243173788 12578816 2779 1992294400 134512640 135213614 4294956256 18446744073709551615 134526985 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3071 2779 78 171 0 2897 0
Current children cumulated CPU time (s) 16.08
Current children cumulated vsize (KiB) 12284

[startup+16.2011 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7594
/proc/meminfo: memFree=822120/2055920 swapFree=4181592/4192956
[pid=7593] ppid=7591 vsize=12284 CPUtime=16.18
/proc/7593/stat : 7593 (minisat_static) R 7591 7593 7207 0 -1 4194304 2794 0 0 0 1617 1 0 0 25 0 1 0 243173788 12578816 2779 1992294400 134512640 135213614 4294956256 18446744073709551615 134526752 0 0 4096 3 0 0 0 17 1 0 0
/proc/7593/statm: 3071 2779 78 171 0 2897 0
Current children cumulated CPU time (s) 16.18
Current children cumulated vsize (KiB) 12284

Child status: 10
Real time (s): 16.2226
CPU time (s): 16.2195
CPU user time (s): 16.1995
CPU system time (s): 0.019996
CPU usage (%): 99.9811
Max. virtual memory (cumulated for all children) (KiB): 12284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.1995
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2811
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= 3
involuntary context switches= 44

runsolver used 0.024996 second user time and 0.036994 second system time

The end

Launcher Data 

Begin job on node86 at 2009-05-12 20:04:01
IDJOB=1806647
IDBENCH=70917
IDSOLVER=651
FILE ID=node86/1806647-1242151441
PBS_JOBID= 9289640
Free space on /tmp= 66184 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806647-1242151441/watcher-1806647-1242151441 -o /tmp/evaluation-result-1806647-1242151441/solver-1806647-1242151441 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806647-1242151441.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1274340157

node86.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		: 3000.213
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		: 3000.213
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:        833680 kB
Buffers:         79672 kB
Cached:        1041820 kB
SwapCached:       5472 kB
Active:          53664 kB
Inactive:      1076384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        833680 kB
SwapTotal:     4192956 kB
SwapFree:      4181592 kB
Dirty:            1200 kB
Writeback:           0 kB
Mapped:          14256 kB
Slab:            78048 kB
Committed_AS:   886100 kB
PageTables:       1464 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= 66184 MiB
End job on node86 at 2009-05-12 20:04:18