Trace number 1784117

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
MXC 2009-03-10SAT 38.0342 38.0436

General information on the benchmark

NameCRAFTED/edgematching/
fbcolors/em_7_4_9_fbc.cnf
MD5SUM4259362ee72589b1a94d1f5c9f846a0b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark19.693
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses28863
Sum of the clauses size75955
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 217356
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 

37.98/38.03	c starting MXC with:
37.98/38.03	c cnf_path = HOME/instance-1784117-1241915523.cnf
37.98/38.03	c restart_strategy = auto
37.98/38.03	c sign_strategy = cached
37.98/38.03	c use_preprocessing = -1
37.98/38.03	c output_implicant = 1
37.98/38.03	c timeout_seconds = 0
37.98/38.03	c running SatELite... done
37.98/38.03	c 5 vars eliminated
37.98/38.03	c received 0 units and 28463 clauses from SatELite
37.98/38.03	c 4 assignments made, starting to guess now
37.98/38.03	c ===================================[MXC]=====================================
37.98/38.03	c | Conflicts |                Clause Statistics                   |   Vars   |
37.98/38.03	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
37.98/38.03	c =============================================================================
37.98/38.03	c |         0 |       0   17348    11115        0        0     nan |     1677 |
37.98/38.03	c |       100 |       0   17335    11115       97     1050    20.7 |     1668 |
37.98/38.03	c |       210 |       0   17319    11115      206     1105    19.8 |     1663 |
37.98/38.03	c |       441 |       0   17273    11115      428     1220    23.7 |     1646 |
37.98/38.03	c |       805 |       0   17264    11115      784     1402    29.0 |     1641 |
37.98/38.03	c |      1315 |       0   17263    11115     1281     1657    36.5 |     1637 |
37.98/38.03	c |      1986 |       0   17270    11115     1945     1993    42.9 |     1637 |
37.98/38.03	c |      2834 |       0   17277    11115     1766     2417    46.3 |     1637 |
37.98/38.03	c |      3876 |       0   17284    11115     2801     2938    48.2 |     1637 |
37.98/38.03	c |      5132 |       0   17294    11115     2508     3566    44.3 |     1637 |
37.98/38.03	c |      6623 |       0   17308    11115     3985     4311    45.7 |     1637 |
37.98/38.03	c |      8373 |       0   17317    11115     3407     5186    42.5 |     1637 |
37.98/38.03	c |     10408 |       0   17339    11115     5420     6204    47.5 |     1637 |
37.98/38.03	c |     12756 |       0   17330    11095     4265     7378    40.8 |     1636 |
37.98/38.03	c |     15449 |       0   17335    11095     6953     8724    46.9 |     1636 |
37.98/38.03	c |     18521 |       0   17323    11075    10009    10260    48.4 |     1635 |
37.98/38.03	c |     22010 |       0   17340    11075     8226    12005    46.1 |     1635 |
37.98/38.03	c |     25958 |       0   17355    11075    12159    13979    49.4 |     1635 |
37.98/38.03	c |     30411 |       0   17362    11075     8706    16205    50.3 |     1635 |
37.98/38.03	c |     35419 |       0   17369    11075    13707    18709    55.1 |     1635 |
37.98/38.03	c |     41038 |       0   17351    11055    19319    21519    56.7 |     1634 |
37.98/38.03	c |     47329 |       0   17363    11055    13738    24664    47.8 |     1634 |
37.98/38.03	c |     54360 |       0   17372    11055    20760    28180    54.7 |     1634 |
37.98/38.03	c |     62205 |       0   17382    11055    28595    32102    60.2 |     1634 |
37.98/38.03	c |     70945 |       0   17389    11055    19520    36472    53.0 |     1634 |
37.98/38.03	c |     80669 |       0   17400    11055    29233    38230    59.7 |     1634 |
37.98/38.03	c |     91476 |       0   17405    11055    20384    39380    50.5 |     1634 |
37.98/38.03	c |    103474 |       0   17411    11055    32370    40549    58.4 |     1633 |
37.98/38.03	c |    116782 |       0   17421    11055    24999    41723    52.3 |     1633 |
37.98/38.03	c |    120520 |       0   17424    11055    28734    42036    55.4 |     1633 |
37.98/38.03	c ----- stats for thread 0 -----
37.98/38.03	c restarts: 394
37.98/38.03	c decisions: 297711
37.98/38.03	c propagations: 20216442
37.98/38.03	c conflicts: 120520
37.98/38.03	c 38.037s elapsed
37.98/38.03	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-1784117-1241915523/watcher-1784117-1241915523 -o /tmp/evaluation-result-1784117-1241915523/solver-1784117-1241915523 -C 5000 -W 6000 -M 1800 HOME/mxc-sat09 -i HOME/instance-1784117-1241915523.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 0.94 0.98 0.99 3/64 16814
/proc/meminfo: memFree=1730368/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=1844 CPUtime=0
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 330 0 0 0 0 0 0 0 18 0 1 0 219578383 1888256 316 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 461 317 54 166 0 292 0

[startup+0.097517 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 16814
/proc/meminfo: memFree=1730368/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=4152 CPUtime=0.09
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 1090 0 0 0 9 0 0 0 18 0 1 0 219578383 4251648 906 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 1038 906 72 166 0 869 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4152

[startup+0.101516 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 16814
/proc/meminfo: memFree=1730368/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=4152 CPUtime=0.09
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 1096 0 0 0 9 0 0 0 18 0 1 0 219578383 4251648 912 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 1038 912 72 166 0 869 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4152

[startup+0.301532 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 16814
/proc/meminfo: memFree=1730368/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=4944 CPUtime=0.29
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 1292 0 0 0 29 0 0 0 19 0 1 0 219578383 5062656 1108 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 1236 1108 73 166 0 1067 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4944

[startup+0.701563 s]
/proc/loadavg: 0.94 0.98 0.99 3/64 16814
/proc/meminfo: memFree=1730368/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=5888 CPUtime=0.69
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 1513 0 0 0 69 0 0 0 22 0 1 0 219578383 6029312 1329 1992294400 134512640 135192793 4294956224 18446744073709551615 134552279 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 1472 1329 73 166 0 1303 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5888

[startup+1.50163 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1724728/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=6944 CPUtime=1.49
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 1794 0 0 0 149 0 0 0 25 0 1 0 219578383 7110656 1610 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 1736 1610 73 166 0 1567 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6944

[startup+3.10276 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1723000/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=9336 CPUtime=3.09
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 2370 0 0 0 308 1 0 0 25 0 1 0 219578383 9560064 2186 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 2334 2186 73 166 0 2165 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9336

[startup+6.30201 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1719736/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=12776 CPUtime=6.29
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 3210 0 0 0 628 1 0 0 25 0 1 0 219578383 13082624 3026 1992294400 134512640 135192793 4294956224 18446744073709551615 134533892 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 3194 3027 73 166 0 3025 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12776

[startup+12.7015 s]
/proc/loadavg: 0.95 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1714872/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=17000 CPUtime=12.69
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 4250 0 0 0 1267 2 0 0 25 0 1 0 219578383 17408000 4066 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 4250 4066 73 166 0 4081 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 17000

[startup+25.5015 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1708984/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=22560 CPUtime=25.48
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5538 0 0 0 2545 3 0 0 25 0 1 0 219578383 23101440 5354 1992294400 134512640 135192793 4294956224 18446744073709551615 134534267 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5640 5354 73 166 0 5471 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 22560

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

[startup+31.9051 s]
/proc/loadavg: 0.96 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1708664/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=22876 CPUtime=31.89
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5605 0 0 0 3185 4 0 0 25 0 1 0 219578383 23425024 5421 1992294400 134512640 135192793 4294956224 18446744073709551615 134533892 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5719 5421 73 166 0 5550 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 22876

[startup+35.1013 s]
/proc/loadavg: 0.97 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1707896/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=23720 CPUtime=35.09
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5797 0 0 0 3505 4 0 0 25 0 1 0 219578383 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134534215 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 23720

[startup+36.7014 s]
/proc/loadavg: 0.97 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1707896/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=23720 CPUtime=36.68
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5797 0 0 0 3664 4 0 0 25 0 1 0 219578383 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134533299 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 23720

[startup+37.5025 s]
/proc/loadavg: 0.97 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1707896/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=23720 CPUtime=37.48
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5797 0 0 0 3744 4 0 0 25 0 1 0 219578383 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134534128 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 37.48
Current children cumulated vsize (KiB) 23720

[startup+37.9015 s]
/proc/loadavg: 0.97 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1707896/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=23720 CPUtime=37.88
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5798 0 0 0 3784 4 0 0 25 0 1 0 219578383 24289280 5614 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5930 5614 73 166 0 5761 0
Current children cumulated CPU time (s) 37.88
Current children cumulated vsize (KiB) 23720

[startup+38.0015 s]
/proc/loadavg: 0.97 0.98 0.99 2/65 16815
/proc/meminfo: memFree=1707896/2055920 swapFree=4113156/4192956
[pid=16814] ppid=16812 vsize=23720 CPUtime=37.98
/proc/16814/stat : 16814 (mxc-sat09) R 16812 16814 16646 0 -1 4194304 5798 0 0 0 3794 4 0 0 25 0 1 0 219578383 24289280 5614 1992294400 134512640 135192793 4294956224 18446744073709551615 134550821 0 0 4096 0 0 0 0 17 1 0 0
/proc/16814/statm: 5930 5614 73 166 0 5761 0
Current children cumulated CPU time (s) 37.98
Current children cumulated vsize (KiB) 23720

Child status: 10
Real time (s): 38.0436
CPU time (s): 38.0342
CPU user time (s): 37.9852
CPU system time (s): 0.048992
CPU usage (%): 99.9753
Max. virtual memory (cumulated for all children) (KiB): 23720

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 37.9852
system time used= 0.048992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5801
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= 5
involuntary context switches= 67

runsolver used 0.034994 second user time and 0.091986 second system time

The end

Launcher Data 

Begin job on node69 at 2009-05-10 02:32:03
IDJOB=1784117
IDBENCH=70934
IDSOLVER=613
FILE ID=node69/1784117-1241915523
PBS_JOBID= 9264842
Free space on /tmp= 66204 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/CRAFTED/edgematching/fbcolors/em_7_4_9_fbc.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784117-1241915523/watcher-1784117-1241915523 -o /tmp/evaluation-result-1784117-1241915523/solver-1784117-1241915523 -C 5000 -W 6000 -M 1800  HOME/mxc-sat09 -i HOME/instance-1784117-1241915523.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4259362ee72589b1a94d1f5c9f846a0b
RANDOM SEED=351022148

node69.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		: 3000.231
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		: 3000.231
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:       1730848 kB
Buffers:         49752 kB
Cached:         136136 kB
SwapCached:      74348 kB
Active:          93232 kB
Inactive:       168936 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1730848 kB
SwapTotal:     4192956 kB
SwapFree:      4113156 kB
Dirty:            1320 kB
Writeback:           0 kB
Mapped:          14208 kB
Slab:            48856 kB
Committed_AS:   644248 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= 66204 MiB
End job on node69 at 2009-05-10 02:32:41