Trace number 1806641

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-simp 070721SAT 20.3569 20.3655

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                                                |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.00/0.07	============================[ Search Statistics ]==============================
0.00/0.07	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.07	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.07	===============================================================================
0.00/0.07	|         0 |    1673    25987    69839 |     8662        0    nan |  0.000 % |
0.00/0.07	|       102 |    1673    25987    69839 |     9528      102     19 |  0.000 % |
0.00/0.07	|       255 |    1668    25987    69839 |    10481      254     20 |  0.298 % |
0.00/0.08	|       480 |    1667    25987    69839 |    11529      478     24 |  0.537 % |
0.08/0.10	|       818 |    1662    25987    69839 |    12682      815     30 |  0.835 % |
0.09/0.12	|      1324 |    1654    25987    69839 |    13950     1320     29 |  1.133 % |
0.09/0.15	|      2084 |    1650    25663    69191 |    15345     2076     31 |  1.372 % |
0.19/0.21	|      3224 |    1650    25663    69191 |    16880     3216     33 |  1.372 % |
0.29/0.33	|      4932 |    1641    25603    69071 |    18568     4920     40 |  1.908 % |
0.49/0.59	|      7494 |    1641    25603    69071 |    20425     7482     48 |  1.908 % |
1.09/1.18	|     11339 |    1641    25473    68811 |    22467    11324     53 |  1.908 % |
2.38/2.49	|     17105 |    1637    25421    68707 |    24714    17082     57 |  2.147 % |
5.09/5.18	|     25756 |    1637    25421    68707 |    27186    13202     51 |  2.147 % |
9.69/9.79	|     38730 |    1637    25421    68707 |    29904    26176     60 |  2.147 % |
19.48/19.54	|     58191 |    1637    25421    68707 |    32895    15436     45 |  2.147 % |
20.28/20.36	===============================================================================
20.28/20.36	restarts              : 15
20.28/20.36	conflicts             : 61104          (3006 /sec)
20.28/20.36	decisions             : 150891         (1.59 % random) (7423 /sec)
20.28/20.36	propagations          : 7644371        (376071 /sec)
20.28/20.36	conflict literals     : 4073711        (28.94 % deleted)
20.28/20.36	Memory used           : 12.18 MB
20.28/20.36	CPU time              : 20.3269 s
20.28/20.36	
20.28/20.36	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-1806641-1242151396/watcher-1806641-1242151396 -o /tmp/evaluation-result-1806641-1242151396/solver-1806641-1242151396 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806641-1242151396.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: 0.92 0.98 0.99 3/64 30625
/proc/meminfo: memFree=1263216/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=2196 CPUtime=0
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 275 0 0 0 0 0 0 0 18 0 1 0 243173718 2248704 260 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 549 261 65 178 0 369 0

[startup+0.087785 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 30625
/proc/meminfo: memFree=1263216/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=3680 CPUtime=0.08
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 709 0 0 0 8 0 0 0 18 0 1 0 243173718 3768320 642 1992294400 134512640 135243866 4294956256 18446744073709551615 134565177 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 920 642 87 178 0 740 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3680

[startup+0.101787 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 30625
/proc/meminfo: memFree=1263216/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=3680 CPUtime=0.09
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 709 0 0 0 9 0 0 0 18 0 1 0 243173718 3768320 642 1992294400 134512640 135243866 4294956256 18446744073709551615 134770254 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 920 642 87 178 0 740 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3680

[startup+0.301823 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 30625
/proc/meminfo: memFree=1263216/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=4076 CPUtime=0.29
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 808 0 0 0 29 0 0 0 19 0 1 0 243173718 4173824 741 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 1019 741 87 178 0 839 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4076

[startup+0.701895 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 30625
/proc/meminfo: memFree=1263216/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=5188 CPUtime=0.69
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 1093 0 0 0 69 0 0 0 22 0 1 0 243173718 5312512 1026 1992294400 134512640 135243866 4294956256 18446744073709551615 134556115 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 1297 1026 87 178 0 1117 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5188

[startup+1.50104 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1258792/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=6696 CPUtime=1.49
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 1480 0 0 0 149 0 0 0 25 0 1 0 243173718 6856704 1413 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 1674 1413 87 178 0 1494 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6696

[startup+3.10233 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1256936/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=8820 CPUtime=3.09
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 1998 0 0 0 308 1 0 0 25 0 1 0 243173718 9031680 1931 1992294400 134512640 135243866 4294956256 18446744073709551615 134556115 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 2205 1931 87 178 0 2025 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8820

[startup+6.30192 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1253928/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=10404 CPUtime=6.29
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2418 0 0 0 627 2 0 0 25 0 1 0 243173718 10653696 2351 1992294400 134512640 135243866 4294956256 18446744073709551615 134555804 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 2601 2351 87 178 0 2421 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10404

[startup+12.7011 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1252072/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12316 CPUtime=12.68
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2885 0 0 0 1266 2 0 0 25 0 1 0 243173718 12611584 2818 1992294400 134512640 135243866 4294956256 18446744073709551615 134555929 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3079 2818 87 178 0 2899 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 12316

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

[startup+15.9017 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1251944/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12468 CPUtime=15.88
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2894 0 0 0 1586 2 0 0 25 0 1 0 243173718 12767232 2827 1992294400 134512640 135243866 4294956256 18446744073709551615 134555629 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3117 2827 87 178 0 2937 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 12468

[startup+17.502 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1251944/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12468 CPUtime=17.49
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2897 0 0 0 1747 2 0 0 25 0 1 0 243173718 12767232 2830 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3117 2830 87 178 0 2937 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 12468

[startup+19.1013 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1251880/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12468 CPUtime=19.08
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2901 0 0 0 1906 2 0 0 25 0 1 0 243173718 12767232 2834 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3117 2834 87 178 0 2937 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 12468

[startup+19.9014 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1251880/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12468 CPUtime=19.88
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2902 0 0 0 1986 2 0 0 25 0 1 0 243173718 12767232 2835 1992294400 134512640 135243866 4294956256 18446744073709551615 134558759 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3117 2835 87 178 0 2937 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 12468

[startup+20.3015 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30626
/proc/meminfo: memFree=1251880/2055920 swapFree=4168304/4192956
[pid=30625] ppid=30623 vsize=12468 CPUtime=20.28
/proc/30625/stat : 30625 (minisat_static) R 30623 30625 30269 0 -1 4194304 2902 0 0 0 2026 2 0 0 25 0 1 0 243173718 12767232 2835 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/30625/statm: 3117 2835 87 178 0 2937 0
Current children cumulated CPU time (s) 20.28
Current children cumulated vsize (KiB) 12468

Child status: 10
Real time (s): 20.3655
CPU time (s): 20.3569
CPU user time (s): 20.3269
CPU system time (s): 0.029995
CPU usage (%): 99.9577
Max. virtual memory (cumulated for all children) (KiB): 12468

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.3269
system time used= 0.029995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2913
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= 48

runsolver used 0.014997 second user time and 0.054991 second system time

The end

Launcher Data 

Begin job on node2 at 2009-05-12 20:03:16
IDJOB=1806641
IDBENCH=70917
IDSOLVER=568
FILE ID=node2/1806641-1242151396
PBS_JOBID= 9289719
Free space on /tmp= 66348 MiB

SOLVER NAME= minisat2-simp 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-1806641-1242151396/watcher-1806641-1242151396 -o /tmp/evaluation-result-1806641-1242151396/solver-1806641-1242151396 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806641-1242151396.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=546631016

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:       1263696 kB
Buffers:         79456 kB
Cached:         606276 kB
SwapCached:      18952 kB
Active:         192848 kB
Inactive:       514228 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1263696 kB
SwapTotal:     4192956 kB
SwapFree:      4168304 kB
Dirty:            1228 kB
Writeback:           0 kB
Mapped:          14056 kB
Slab:            71144 kB
Committed_AS:  1125668 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= 66348 MiB
End job on node2 at 2009-05-12 20:03:36