Trace number 1806668

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 43.8353 43.8513

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_3_6_exp.cnf
MD5SUM5b8699f429b7fdd3e23d69c762326321
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.41063
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses22887
Sum of the clauses size60224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 213705
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
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:  1473                                                 |
0.00/0.00	|  Number of clauses:    22887                                                |
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 |    1473    22887    60224 |     7629        0    nan |  0.000 % |
0.00/0.01	|       100 |    1473    22887    60224 |     8391      100     14 |  0.000 % |
0.00/0.02	|       250 |    1473    22887    60224 |     9231      250     16 |  0.000 % |
0.00/0.03	|       477 |    1461    22887    60224 |    10154      476     15 |  0.815 % |
0.00/0.04	|       814 |    1449    22887    60224 |    11169      811     15 |  2.444 % |
0.00/0.05	|      1320 |    1448    22887    60224 |    12286     1317     16 |  2.444 % |
0.00/0.08	|      2079 |    1435    22179    58808 |    13515     2072     16 |  2.580 % |
0.09/0.13	|      3219 |    1430    22179    58808 |    14866     3210     18 |  2.919 % |
0.19/0.22	|      4928 |    1426    22049    58496 |    16353     4915     23 |  3.191 % |
0.29/0.38	|      7491 |    1404    21780    57958 |    17988     7473     27 |  4.684 % |
0.69/0.71	|     11335 |    1401    21611    57594 |    19787    11311     32 |  4.888 % |
1.39/1.44	|     17101 |    1396    21503    57342 |    21766    17060     42 |  5.227 % |
2.89/2.90	|     25751 |    1395    21483    57302 |    23943    14570     54 |  5.295 % |
5.39/5.43	|     38725 |    1393    21483    57302 |    26337    15258     58 |  5.431 % |
11.19/11.22	|     58190 |    1392    21460    57256 |    28971    21170     84 |  5.771 % |
19.89/19.92	|     87384 |    1381    21291    56908 |    31868    20777     70 |  6.246 % |
41.08/41.16	|    131174 |    1381    21291    56908 |    35055    32177     85 |  6.246 % |
43.78/43.84	===============================================================================
43.78/43.84	restarts              : 17
43.78/43.84	conflicts             : 136362         (3114 /sec)
43.78/43.84	decisions             : 360155         (1.34 % random) (8225 /sec)
43.78/43.84	propagations          : 15041889       (343521 /sec)
43.78/43.84	conflict literals     : 11580590       (25.87 % deleted)
43.78/43.84	Memory used           : 17.55 MB
43.78/43.84	CPU time              : 43.7873 s
43.78/43.84	
43.78/43.84	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-1806668-1242151563/watcher-1806668-1242151563 -o /tmp/evaluation-result-1806668-1242151563/solver-1806668-1242151563 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806668-1242151563.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 0.97 0.91 3/64 26322
/proc/meminfo: memFree=1072432/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=2164 CPUtime=0
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 259 0 0 0 0 0 0 0 18 0 1 0 243184713 2215936 244 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 541 245 58 171 0 367 0

[startup+0.0124181 s]
/proc/loadavg: 0.92 0.97 0.91 3/64 26322
/proc/meminfo: memFree=1072432/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=2848 CPUtime=0
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 414 0 0 0 0 0 0 0 18 0 1 0 243184713 2916352 399 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 712 399 58 171 0 538 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2848

[startup+0.101435 s]
/proc/loadavg: 0.92 0.97 0.91 3/64 26322
/proc/meminfo: memFree=1072432/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=3108 CPUtime=0.09
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 515 0 0 0 9 0 0 0 18 0 1 0 243184713 3182592 500 1992294400 134512640 135213614 4294956256 18446744073709551615 134530661 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 777 500 78 171 0 603 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3108

[startup+0.301473 s]
/proc/loadavg: 0.92 0.97 0.91 3/64 26322
/proc/meminfo: memFree=1072432/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=3788 CPUtime=0.29
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 674 0 0 0 29 0 0 0 19 0 1 0 243184713 3878912 659 1992294400 134512640 135213614 4294956256 18446744073709551615 134526867 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 947 659 78 171 0 773 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3788

[startup+0.701548 s]
/proc/loadavg: 0.92 0.97 0.91 3/64 26322
/proc/meminfo: memFree=1072432/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=4844 CPUtime=0.69
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 931 0 0 0 69 0 0 0 22 0 1 0 243184713 4960256 916 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 1211 916 78 171 0 1037 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4844

[startup+1.5017 s]
/proc/loadavg: 0.92 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1068456/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=6580 CPUtime=1.49
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 1371 0 0 0 149 0 0 0 25 0 1 0 243184713 6737920 1356 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 1645 1356 78 171 0 1471 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6580

[startup+3.10201 s]
/proc/loadavg: 0.92 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1066152/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=8164 CPUtime=3.09
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 1750 0 0 0 308 1 0 0 25 0 1 0 243184713 8359936 1735 1992294400 134512640 135213614 4294956256 18446744073709551615 134526885 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 2041 1735 78 171 0 1867 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8164

[startup+6.30162 s]
/proc/loadavg: 0.93 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1063656/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=10012 CPUtime=6.29
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 2231 0 0 0 628 1 0 0 25 0 1 0 243184713 10252288 2216 1992294400 134512640 135213614 4294956256 18446744073709551615 134526715 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 2503 2216 78 171 0 2329 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10012

[startup+12.7018 s]
/proc/loadavg: 0.93 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1060968/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=13476 CPUtime=12.69
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 3081 0 0 0 1266 3 0 0 25 0 1 0 243184713 13799424 3066 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 3369 3066 78 171 0 3195 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13476

[startup+25.5013 s]
/proc/loadavg: 0.95 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1058280/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=15324 CPUtime=25.48
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 3539 0 0 0 2545 3 0 0 25 0 1 0 243184713 15691776 3524 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 3831 3524 78 171 0 3657 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15324

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

[startup+31.9055 s]
/proc/loadavg: 0.95 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1058216/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=15324 CPUtime=31.88
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 3549 0 0 0 3185 3 0 0 25 0 1 0 243184713 15691776 3534 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 3831 3534 78 171 0 3657 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 15324

[startup+38.3017 s]
/proc/loadavg: 0.95 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1057256/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=16248 CPUtime=38.28
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 3794 0 0 0 3824 4 0 0 25 0 1 0 243184713 16637952 3779 1992294400 134512640 135213614 4294956256 18446744073709551615 134526864 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4062 3779 78 171 0 3888 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 16248

[startup+41.5013 s]
/proc/loadavg: 0.96 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1057256/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=16776 CPUtime=41.48
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 3920 0 0 0 4144 4 0 0 25 0 1 0 243184713 17178624 3905 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4194 3905 78 171 0 4020 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 16776

[startup+43.1017 s]
/proc/loadavg: 0.96 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1055784/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=17964 CPUtime=43.08
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 4208 0 0 0 4304 4 0 0 25 0 1 0 243184713 18395136 4193 1992294400 134512640 135213614 4294956256 18446744073709551615 134543661 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4491 4193 78 171 0 4317 0
Current children cumulated CPU time (s) 43.08
Current children cumulated vsize (KiB) 17964

[startup+43.5017 s]
/proc/loadavg: 0.96 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1055784/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=17964 CPUtime=43.48
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 4209 0 0 0 4344 4 0 0 25 0 1 0 243184713 18395136 4194 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4491 4194 78 171 0 4317 0
Current children cumulated CPU time (s) 43.48
Current children cumulated vsize (KiB) 17964

[startup+43.7018 s]
/proc/loadavg: 0.96 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1055784/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=17964 CPUtime=43.68
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 4209 0 0 0 4364 4 0 0 25 0 1 0 243184713 18395136 4194 1992294400 134512640 135213614 4294956256 18446744073709551615 134526691 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4491 4194 78 171 0 4317 0
Current children cumulated CPU time (s) 43.68
Current children cumulated vsize (KiB) 17964

[startup+43.8018 s]
/proc/loadavg: 0.96 0.97 0.91 2/65 26323
/proc/meminfo: memFree=1055784/2055920 swapFree=4191900/4192956
[pid=26322] ppid=26320 vsize=17964 CPUtime=43.78
/proc/26322/stat : 26322 (minisat_static) R 26320 26322 25970 0 -1 4194304 4209 0 0 0 4374 4 0 0 25 0 1 0 243184713 18395136 4194 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/26322/statm: 4491 4194 78 171 0 4317 0
Current children cumulated CPU time (s) 43.78
Current children cumulated vsize (KiB) 17964

Child status: 10
Real time (s): 43.8513
CPU time (s): 43.8353
CPU user time (s): 43.7883
CPU system time (s): 0.046992
CPU usage (%): 99.9637
Max. virtual memory (cumulated for all children) (KiB): 17964

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 43.7883
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4222
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= 130

runsolver used 0.042993 second user time and 0.091986 second system time

The end

Launcher Data 

Begin job on node38 at 2009-05-12 20:06:03
IDJOB=1806668
IDBENCH=70921
IDSOLVER=651
FILE ID=node38/1806668-1242151563
PBS_JOBID= 9289683
Free space on /tmp= 66248 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_7_3_6_exp.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806668-1242151563/watcher-1806668-1242151563 -o /tmp/evaluation-result-1806668-1242151563/solver-1806668-1242151563 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806668-1242151563.cnf

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

MD5SUM BENCH= 5b8699f429b7fdd3e23d69c762326321
RANDOM SEED=508038562

node38.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:       1072848 kB
Buffers:         76204 kB
Cached:         805632 kB
SwapCached:        260 kB
Active:         311052 kB
Inactive:       584528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1072848 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            1136 kB
Writeback:           0 kB
Mapped:          22296 kB
Slab:            73376 kB
Committed_AS:   948828 kB
PageTables:       1456 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= 66248 MiB
End job on node38 at 2009-05-12 20:06:47