Trace number 1562407

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 36.2515 36.2626

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 benchmark9.38957
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

36.18/36.25	c starting MXC with:
36.18/36.25	c cnf_path = HOME/instance-1562407-1238774768.cnf
36.18/36.25	c restart_strategy = auto
36.18/36.25	c sign_strategy = cached
36.18/36.25	c use_preprocessing = -1
36.18/36.25	c output_implicant = 1
36.18/36.25	c timeout_seconds = 0
36.18/36.25	c running SatELite... done
36.18/36.25	c 5 vars eliminated
36.18/36.25	c received 0 units and 28463 clauses from SatELite
36.18/36.25	c 4 assignments made, starting to guess now
36.18/36.25	c ===================================[MXC]=====================================
36.18/36.25	c | Conflicts |                Clause Statistics                   |   Vars   |
36.18/36.25	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
36.18/36.25	c =============================================================================
36.18/36.25	c |         0 |       0   17348    11115        0        0     nan |     1677 |
36.18/36.25	c |       100 |       0   17335    11115       97     1050    20.7 |     1668 |
36.18/36.25	c |       210 |       0   17319    11115      206     1105    19.8 |     1663 |
36.18/36.25	c |       441 |       0   17273    11115      428     1220    23.7 |     1646 |
36.18/36.25	c |       805 |       0   17264    11115      784     1402    29.0 |     1641 |
36.18/36.25	c |      1315 |       0   17263    11115     1281     1657    36.5 |     1637 |
36.18/36.25	c |      1986 |       0   17270    11115     1945     1993    42.9 |     1637 |
36.18/36.25	c |      2834 |       0   17277    11115     1766     2417    46.3 |     1637 |
36.18/36.25	c |      3876 |       0   17284    11115     2801     2938    48.2 |     1637 |
36.18/36.25	c |      5132 |       0   17294    11115     2508     3566    44.3 |     1637 |
36.18/36.25	c |      6623 |       0   17308    11115     3985     4311    45.7 |     1637 |
36.18/36.25	c |      8373 |       0   17317    11115     3407     5186    42.5 |     1637 |
36.18/36.25	c |     10408 |       0   17339    11115     5420     6204    47.5 |     1637 |
36.18/36.25	c |     12756 |       0   17330    11095     4265     7378    40.8 |     1636 |
36.18/36.25	c |     15449 |       0   17335    11095     6953     8724    46.9 |     1636 |
36.18/36.25	c |     18521 |       0   17323    11075    10009    10260    48.4 |     1635 |
36.18/36.25	c |     22010 |       0   17340    11075     8226    12005    46.1 |     1635 |
36.18/36.25	c |     25958 |       0   17355    11075    12159    13979    49.4 |     1635 |
36.18/36.25	c |     30411 |       0   17362    11075     8706    16205    50.3 |     1635 |
36.18/36.25	c |     35419 |       0   17369    11075    13707    18709    55.1 |     1635 |
36.18/36.25	c |     41038 |       0   17351    11055    19319    21519    56.7 |     1634 |
36.18/36.25	c |     47329 |       0   17363    11055    13738    24664    47.8 |     1634 |
36.18/36.25	c |     54360 |       0   17372    11055    20760    28180    54.7 |     1634 |
36.18/36.25	c |     62205 |       0   17382    11055    28595    32102    60.2 |     1634 |
36.18/36.25	c |     70945 |       0   17389    11055    19520    36472    53.0 |     1634 |
36.18/36.25	c |     80669 |       0   17400    11055    29233    38230    59.7 |     1634 |
36.18/36.25	c |     91476 |       0   17405    11055    20384    39380    50.5 |     1634 |
36.18/36.25	c |    103474 |       0   17411    11055    32370    40549    58.4 |     1633 |
36.18/36.25	c |    116782 |       0   17421    11055    24999    41723    52.3 |     1633 |
36.18/36.25	c |    120520 |       0   17424    11055    28734    42036    55.4 |     1633 |
36.18/36.25	c ----- stats for thread 0 -----
36.18/36.25	c restarts: 394
36.18/36.25	c decisions: 297711
36.18/36.25	c propagations: 20216442
36.18/36.25	c conflicts: 120520
36.18/36.25	c 36.257s elapsed
36.18/36.25	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-1562407-1238774768/watcher-1562407-1238774768 -o /tmp/evaluation-result-1562407-1238774768/solver-1562407-1238774768 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/mxc-sat09 -i HOME/instance-1562407-1238774768.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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/73 4755
/proc/meminfo: memFree=1836136/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=1844 CPUtime=0
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 347 0 0 0 0 0 0 0 20 0 1 0 1150141353 1888256 333 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 461 334 54 166 0 292 0

[startup+0.073635 s]
/proc/loadavg: 1.00 1.00 1.00 3/73 4755
/proc/meminfo: memFree=1836136/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=2948 CPUtime=0.07
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 756 0 0 0 7 0 0 0 20 0 1 0 1150141353 3018752 572 1992294400 134512640 135192793 4294956224 18446744073709551615 134766703 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 737 572 56 166 0 568 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2948

[startup+0.101637 s]
/proc/loadavg: 1.00 1.00 1.00 3/73 4755
/proc/meminfo: memFree=1836136/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=4284 CPUtime=0.09
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 1106 0 0 0 9 0 0 0 20 0 1 0 1150141353 4386816 922 1992294400 134512640 135192793 4294956224 18446744073709551615 134552411 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 1071 922 72 166 0 902 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4284

[startup+0.30166 s]
/proc/loadavg: 1.00 1.00 1.00 3/73 4755
/proc/meminfo: memFree=1836136/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=5076 CPUtime=0.29
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 1314 0 0 0 29 0 0 0 22 0 1 0 1150141353 5197824 1130 1992294400 134512640 135192793 4294956224 18446744073709551615 134532590 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 1269 1130 73 166 0 1100 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5076

[startup+0.701706 s]
/proc/loadavg: 1.00 1.00 1.00 3/73 4755
/proc/meminfo: memFree=1836136/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=5888 CPUtime=0.69
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 1513 0 0 0 69 0 0 0 25 0 1 0 1150141353 6029312 1329 1992294400 134512640 135192793 4294956224 18446744073709551615 134534131 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 1472 1329 73 166 0 1303 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5888

[startup+1.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1830304/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=7208 CPUtime=1.49
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 1855 0 0 0 149 0 0 0 25 0 1 0 1150141353 7380992 1671 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 1802 1671 73 166 0 1633 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7208

[startup+3.10198 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1828640/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=9732 CPUtime=3.09
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 2463 0 0 0 309 0 0 0 25 0 1 0 1150141353 9965568 2279 1992294400 134512640 135192793 4294956224 18446744073709551615 134533892 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 2433 2279 73 166 0 2264 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9732

[startup+6.30136 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1824864/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=13332 CPUtime=6.29
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 3356 0 0 0 628 1 0 0 25 0 1 0 1150141353 13651968 3172 1992294400 134512640 135192793 4294956224 18446744073709551615 134534215 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 3333 3172 73 166 0 3164 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13332

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1819680/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=17800 CPUtime=12.69
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 4439 0 0 0 1267 2 0 0 25 0 1 0 1150141353 18227200 4255 1992294400 134512640 135192793 4294956224 18446744073709551615 134533917 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 4450 4255 73 166 0 4281 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 17800

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1814560/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=22716 CPUtime=25.48
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5552 0 0 0 2545 3 0 0 25 0 1 0 1150141353 23261184 5368 1992294400 134512640 135192793 4294956224 18446744073709551615 134534215 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5679 5368 73 166 0 5510 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 22716

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

[startup+31.9063 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1814176/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23028 CPUtime=31.89
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5638 0 0 0 3186 3 0 0 25 0 1 0 1150141353 23580672 5454 1992294400 134512640 135192793 4294956224 18446744073709551615 134534170 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5757 5454 73 166 0 5588 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 23028

[startup+33.5015 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1813664/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23720 CPUtime=33.48
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5797 0 0 0 3345 3 0 0 25 0 1 0 1150141353 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134534006 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 33.48
Current children cumulated vsize (KiB) 23720

[startup+35.1017 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1813472/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23720 CPUtime=35.08
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5797 0 0 0 3505 3 0 0 25 0 1 0 1150141353 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134534170 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 35.08
Current children cumulated vsize (KiB) 23720

[startup+35.9018 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1813472/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23720 CPUtime=35.88
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5797 0 0 0 3585 3 0 0 25 0 1 0 1150141353 24289280 5613 1992294400 134512640 135192793 4294956224 18446744073709551615 134533920 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5930 5613 73 166 0 5761 0
Current children cumulated CPU time (s) 35.88
Current children cumulated vsize (KiB) 23720

[startup+36.1018 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1813472/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23720 CPUtime=36.08
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5798 0 0 0 3605 3 0 0 25 0 1 0 1150141353 24289280 5614 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5930 5614 73 166 0 5761 0
Current children cumulated CPU time (s) 36.08
Current children cumulated vsize (KiB) 23720

[startup+36.2018 s]
/proc/loadavg: 1.00 1.00 1.00 2/74 4756
/proc/meminfo: memFree=1813472/2055920 swapFree=4175408/4192956
[pid=4755] ppid=4753 vsize=23720 CPUtime=36.18
/proc/4755/stat : 4755 (mxc-sat09) R 4753 4755 4355 0 -1 4194304 5798 0 0 0 3615 3 0 0 25 0 1 0 1150141353 24289280 5614 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4755/statm: 5930 5614 73 166 0 5761 0
Current children cumulated CPU time (s) 36.18
Current children cumulated vsize (KiB) 23720

Child status: 10
Real time (s): 36.2626
CPU time (s): 36.2515
CPU user time (s): 36.2095
CPU system time (s): 0.041993
CPU usage (%): 99.9694
Max. virtual memory (cumulated for all children) (KiB): 23720

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 36.2095
system time used= 0.041993
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= 69

runsolver used 0.036994 second user time and 0.105983 second system time

The end

Launcher Data

Begin job on node77 at 2009-04-03 18:06:08
IDJOB=1562407
IDBENCH=70934
IDSOLVER=504
FILE ID=node77/1562407-1238774768
PBS_JOBID= 9085518
Free space on /tmp= 66552 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/APPLICATIONS/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-1562407-1238774768/watcher-1562407-1238774768 -o /tmp/evaluation-result-1562407-1238774768/solver-1562407-1238774768 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/mxc-sat09 -i HOME/instance-1562407-1238774768.cnf

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

MD5SUM BENCH= 4259362ee72589b1a94d1f5c9f846a0b
RANDOM SEED=1093648975

node77.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		: 3000.230
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		: 3000.230
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:       1836552 kB
Buffers:         19712 kB
Cached:         122028 kB
SwapCached:       8948 kB
Active:          27380 kB
Inactive:       124888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1836552 kB
SwapTotal:     4192956 kB
SwapFree:      4175408 kB
Dirty:            1140 kB
Writeback:           0 kB
Mapped:          16324 kB
Slab:            52168 kB
Committed_AS:  3024764 kB
PageTables:       1984 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= 66552 MiB
End job on node77 at 2009-04-03 18:06:45