Trace number 1806717

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 162.256 162.303

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 benchmark139.003
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	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:  1617                                                 |
0.00/0.00	|  Number of clauses:    37237                                                |
0.00/0.01	|  Parsing time:         0.02         s                                       |
0.00/0.02	============================[ Search Statistics ]==============================
0.00/0.02	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.02	===============================================================================
0.00/0.02	|         0 |    1617    37237    92593 |    12412        0    nan |  0.000 % |
0.00/0.02	|       101 |    1617    37237    92593 |    13653      101     38 |  0.000 % |
0.00/0.03	|       251 |    1617    37237    92593 |    15018      251     36 |  0.000 % |
0.00/0.05	|       477 |    1611    37237    92593 |    16520      476     54 |  0.371 % |
0.05/0.07	|       815 |    1606    37237    92593 |    18172      813     52 |  0.742 % |
0.09/0.10	|      1321 |    1606    37237    92593 |    19990     1319     49 |  0.742 % |
0.09/0.14	|      2080 |    1605    37016    92151 |    21989     2076     46 |  0.742 % |
0.19/0.24	|      3220 |    1605    37016    92151 |    24188     3216     52 |  0.742 % |
0.29/0.37	|      4928 |    1605    37016    92151 |    26606     4924     54 |  0.742 % |
0.59/0.65	|      7491 |    1605    37016    92151 |    29267     7487     60 |  0.742 % |
1.09/1.11	|     11337 |    1599    36913    91945 |    32194    11329     62 |  1.113 % |
2.09/2.11	|     17103 |    1594    36913    91945 |    35413    17094     70 |  1.484 % |
3.79/3.85	|     25754 |    1593    36815    91749 |    38955    25744     70 |  1.484 % |
8.49/8.59	|     38728 |    1593    36815    91749 |    42850    38718     72 |  1.484 % |
17.99/18.07	|     58191 |    1593    36815    91749 |    47135    33391     73 |  1.484 % |
35.97/36.03	|     87383 |    1593    36815    91749 |    51849    36164     61 |  1.484 % |
73.47/73.56	|    131173 |    1593    36815    91749 |    57034    51865     55 |  1.484 % |
136.45/136.55	|    196857 |    1593    36815    91749 |    62737    27992     40 |  1.484 % |
162.14/162.29	===============================================================================
162.14/162.29	restarts              : 18
162.14/162.29	conflicts             : 227348         (1402 /sec)
162.14/162.29	decisions             : 533896         (1.54 % random) (3292 /sec)
162.14/162.29	propagations          : 34321980       (211597 /sec)
162.14/162.29	conflict literals     : 16302385       (35.64 % deleted)
162.14/162.29	Memory used           : 21.77 MB
162.14/162.29	CPU time              : 162.204 s
162.14/162.29	
162.14/162.29	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-1806717-1242151770/watcher-1806717-1242151770 -o /tmp/evaluation-result-1806717-1242151770/solver-1806717-1242151770 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806717-1242151770.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 0.92 3/64 18714
/proc/meminfo: memFree=1647848/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=2164 CPUtime=0
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 305 0 0 0 0 0 0 0 18 0 1 0 243210180 2215936 290 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 541 291 58 171 0 367 0

[startup+0.0641749 s]
/proc/loadavg: 0.99 0.98 0.92 3/64 18714
/proc/meminfo: memFree=1647848/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=3544 CPUtime=0.05
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 679 0 0 0 5 0 0 0 18 0 1 0 243210180 3629056 664 1992294400 134512640 135213614 4294956256 18446744073709551615 134529552 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 886 664 77 171 0 712 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3544

[startup+0.101179 s]
/proc/loadavg: 0.99 0.98 0.92 3/64 18714
/proc/meminfo: memFree=1647848/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=3676 CPUtime=0.09
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 713 0 0 0 9 0 0 0 18 0 1 0 243210180 3764224 698 1992294400 134512640 135213614 4294956256 18446744073709551615 134526936 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 919 698 77 171 0 745 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3676

[startup+0.3012 s]
/proc/loadavg: 0.99 0.98 0.92 3/64 18714
/proc/meminfo: memFree=1647848/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=4468 CPUtime=0.29
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 900 0 0 0 29 0 0 0 19 0 1 0 243210180 4575232 885 1992294400 134512640 135213614 4294956256 18446744073709551615 134526810 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 1117 885 78 171 0 943 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4468

[startup+0.701244 s]
/proc/loadavg: 0.99 0.98 0.92 3/64 18714
/proc/meminfo: memFree=1647848/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=5656 CPUtime=0.69
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 1208 0 0 0 69 0 0 0 22 0 1 0 243210180 5791744 1193 1992294400 134512640 135213614 4294956256 18446744073709551615 134526810 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 1414 1193 78 171 0 1240 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5656

[startup+1.50133 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1642528/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=7656 CPUtime=1.49
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 1702 0 0 0 149 0 0 0 25 0 1 0 243210180 7839744 1687 1992294400 134512640 135213614 4294956256 18446744073709551615 134536156 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 1914 1687 78 171 0 1740 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7656

[startup+3.1015 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1639904/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=10696 CPUtime=3.09
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 2464 0 0 0 308 1 0 0 25 0 1 0 243210180 10952704 2449 1992294400 134512640 135213614 4294956256 18446744073709551615 134526796 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 2674 2449 78 171 0 2500 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10696

[startup+6.30185 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1635360/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=14424 CPUtime=6.29
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 3387 0 0 0 627 2 0 0 25 0 1 0 243210180 14770176 3372 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 3606 3372 78 171 0 3432 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14424

[startup+12.7015 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1630696/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=18200 CPUtime=12.69
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 4299 0 0 0 1266 3 0 0 25 0 1 0 243210180 18636800 4284 1992294400 134512640 135213614 4294956256 18446744073709551615 134529809 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 4550 4284 78 171 0 4376 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 18200

[startup+25.5029 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1629800/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=19124 CPUtime=25.48
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 4544 0 0 0 2545 3 0 0 25 0 1 0 243210180 19582976 4529 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 4781 4529 78 171 0 4607 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 19124

[startup+51.1027 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1628520/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=20328 CPUtime=51.07
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 4842 0 0 0 5104 3 0 0 25 0 1 0 243210180 20815872 4827 1992294400 134512640 135213614 4294956256 18446744073709551615 134529801 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 5082 4827 78 171 0 4908 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 20328

[startup+102.305 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1627752/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=21068 CPUtime=102.27
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194304 5019 0 0 0 10223 4 0 0 25 0 1 0 243210180 21573632 5004 1992294400 134512640 135213614 4294956256 18446744073709551615 134526860 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 5267 5004 78 171 0 5093 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 21068

[startup+162.303 s]
/proc/loadavg: 0.99 0.98 0.92 2/65 18715
/proc/meminfo: memFree=1626856/2055920 swapFree=4178672/4192956
[pid=18714] ppid=18712 vsize=0 CPUtime=162.25
/proc/18714/stat : 18714 (minisat_static) R 18712 18714 18330 0 -1 4194308 5317 0 0 0 16220 5 0 0 25 0 1 0 243210180 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/18714/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 0

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

Child status: 10
Real time (s): 162.303
CPU time (s): 162.256
CPU user time (s): 162.204
CPU system time (s): 0.051992
CPU usage (%): 99.971
Max. virtual memory (cumulated for all children) (KiB): 22156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 162.204
system time used= 0.051992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5317
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= 506

runsolver used 0.148977 second user time and 0.314952 second system time

The end

Launcher Data 

Begin job on node21 at 2009-05-12 20:09:30
IDJOB=1806717
IDBENCH=70929
IDSOLVER=651
FILE ID=node21/1806717-1242151770
PBS_JOBID= 9289700
Free space on /tmp= 65964 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_4_8_all.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806717-1242151770/watcher-1806717-1242151770 -o /tmp/evaluation-result-1806717-1242151770/solver-1806717-1242151770 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806717-1242151770.cnf

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

MD5SUM BENCH= 49323100760aa1d9fcd1b2d7081994d1
RANDOM SEED=1589722705

node21.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		: 3000.233
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		: 3000.233
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:       1648264 kB
Buffers:         40784 kB
Cached:         292508 kB
SwapCached:       8136 kB
Active:          99304 kB
Inactive:       243512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1648264 kB
SwapTotal:     4192956 kB
SwapFree:      4178672 kB
Dirty:            1336 kB
Writeback:           0 kB
Mapped:          15084 kB
Slab:            50832 kB
Committed_AS:   968292 kB
PageTables:       1380 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= 65964 MiB
End job on node21 at 2009-05-12 20:12:13