Trace number 1784057

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 30.0574 30.0666

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 benchmark5.39518
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 

29.99/30.06	c starting MXC with:
29.99/30.06	c cnf_path = HOME/instance-1784057-1241914260.cnf
29.99/30.06	c restart_strategy = auto
29.99/30.06	c sign_strategy = cached
29.99/30.06	c use_preprocessing = -1
29.99/30.06	c output_implicant = 1
29.99/30.06	c timeout_seconds = 0
29.99/30.06	c running SatELite... done
29.99/30.06	c 5 vars eliminated
29.99/30.06	c received 0 units and 25987 clauses from SatELite
29.99/30.06	c 4 assignments made, starting to guess now
29.99/30.06	c ===================================[MXC]=====================================
29.99/30.06	c | Conflicts |                Clause Statistics                   |   Vars   |
29.99/30.06	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
29.99/30.06	c =============================================================================
29.99/30.06	c |         0 |       0   14860    11127        0        0     nan |     1677 |
29.99/30.06	c |       100 |       0   14860    11127      100     1050    17.4 |     1673 |
29.99/30.06	c |       210 |       0   14863    11127      207     1105    28.5 |     1673 |
29.99/30.06	c |       441 |       0   14727    11127      436     1220    21.6 |     1665 |
29.99/30.06	c |       805 |       0   14644    11127      795     1402    22.2 |     1660 |
29.99/30.06	c |      1315 |       0   14564    11127     1301     1657    21.7 |     1655 |
29.99/30.06	c |      1986 |       0   14569    11127     1967     1993    21.1 |     1655 |
29.99/30.06	c |      2834 |       0   14491    11127     1813     2417    21.0 |     1650 |
29.99/30.06	c |      3876 |       0   14496    11127     2850     2938    21.3 |     1650 |
29.99/30.06	c |      5132 |       0   14498    11108     2607     3566    18.4 |     1649 |
29.99/30.06	c |      6623 |       0   14429    11108     4090     4311    20.3 |     1644 |
29.99/30.06	c |      8373 |       0   14377    11108     3576     5186    22.3 |     1640 |
29.99/30.06	c |     10408 |       0   14332    11089     5599     6204    23.4 |     1635 |
29.99/30.06	c |     12756 |       0   14336    11089     4542     7378    28.6 |     1635 |
29.99/30.06	c |     15449 |       0   14339    11089     7232     8724    32.4 |     1635 |
29.99/30.06	c |     18521 |       0   14349    11070     5191    10260    27.4 |     1634 |
29.99/30.06	c |     22010 |       0   14358    11070     8671    12005    34.5 |     1634 |
29.99/30.06	c |     25958 |       0   14373    11039    12594    13979    39.2 |     1632 |
29.99/30.06	c |     30411 |       0   14383    11039     9366    16205    36.7 |     1632 |
29.99/30.06	c |     35419 |       0   14393    11039    14364    18709    42.4 |     1632 |
29.99/30.06	c |     41038 |       0   14402    11039    19974    21519    46.4 |     1632 |
29.99/30.06	c |     47329 |       0   14411    11039    14721    24664    38.5 |     1632 |
29.99/30.06	c |     54360 |       0   14433    11027    21724    28180    42.9 |     1631 |
29.99/30.06	c |     62205 |       0   14448    11027    29554    32102    46.6 |     1631 |
29.99/30.06	c |     70945 |       0   14466    11008    21782    33596    36.6 |     1630 |
29.99/30.06	c |     80669 |       0   14476    11008    31496    34609    41.5 |     1630 |
29.99/30.06	c |     91476 |       0   14487    11008    24815    35659    37.0 |     1630 |
29.99/30.06	c |    103474 |       0   14499    11008    18447    36720    31.3 |     1630 |
29.99/30.06	c |    116782 |       0   14509    10990    31739    37790    39.0 |     1629 |
29.99/30.06	c |    131532 |       0   14528    10971    27334    38853    36.3 |     1628 |
29.99/30.06	c |    143012 |       0   14534    10971    38807    39604    41.0 |     1627 |
29.99/30.06	c ----- stats for thread 0 -----
29.99/30.06	c restarts: 432
29.99/30.06	c decisions: 342196
29.99/30.06	c propagations: 19224993
29.99/30.06	c conflicts: 143012
29.99/30.06	c 30.062s elapsed
29.99/30.06	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-1784057-1241914260/watcher-1784057-1241914260 -o /tmp/evaluation-result-1784057-1241914260/solver-1784057-1241914260 -C 5000 -W 6000 -M 1800 HOME/mxc-sat09 -i HOME/instance-1784057-1241914260.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: 0.99 0.97 0.98 3/64 4724
/proc/meminfo: memFree=1891352/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=1808 CPUtime=0
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 328 0 0 0 0 0 0 0 21 0 1 0 219454879 1851392 314 1992294400 134512640 135192793 4294956224 18446744073709551615 134766703 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 452 315 54 166 0 283 0

[startup+0.0876591 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 4724
/proc/meminfo: memFree=1891352/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=4000 CPUtime=0.08
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 995 0 0 0 8 0 0 0 21 0 1 0 219454879 4096000 878 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 1000 879 72 166 0 831 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4000

[startup+0.10166 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 4724
/proc/meminfo: memFree=1891352/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=4132 CPUtime=0.09
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 1022 0 0 0 9 0 0 0 21 0 1 0 219454879 4231168 905 1992294400 134512640 135192793 4294956224 18446744073709551615 134533888 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 1033 905 72 166 0 864 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4132

[startup+0.301684 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 4724
/proc/meminfo: memFree=1891352/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=4924 CPUtime=0.29
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 1218 0 0 0 29 0 0 0 23 0 1 0 219454879 5042176 1101 1992294400 134512640 135192793 4294956224 18446744073709551615 134551966 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 1231 1101 73 166 0 1062 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4924

[startup+0.70173 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 4724
/proc/meminfo: memFree=1891352/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=5724 CPUtime=0.69
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 1439 0 0 0 69 0 0 0 25 0 1 0 219454879 5861376 1322 1992294400 134512640 135192793 4294956224 18446744073709551615 134534267 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 1431 1322 73 166 0 1262 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5724

[startup+1.50183 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1885136/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=7308 CPUtime=1.49
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 1824 0 0 0 149 0 0 0 25 0 1 0 219454879 7483392 1707 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 1827 1707 73 166 0 1658 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7308

[startup+3.10201 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1883024/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=9292 CPUtime=3.09
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 2306 0 0 0 309 0 0 0 25 0 1 0 219454879 9515008 2189 1992294400 134512640 135192793 4294956224 18446744073709551615 134554386 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 2323 2189 73 166 0 2154 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9292

[startup+6.30139 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1879760/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=12156 CPUtime=6.29
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 3035 0 0 0 628 1 0 0 25 0 1 0 219454879 12447744 2918 1992294400 134512640 135192793 4294956224 18446744073709551615 134551473 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 3039 2918 73 166 0 2870 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12156

[startup+12.7011 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1876304/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=15836 CPUtime=12.68
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 3883 0 0 0 1267 1 0 0 25 0 1 0 219454879 16216064 3766 1992294400 134512640 135192793 4294956224 18446744073709551615 134552311 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 3959 3766 73 166 0 3790 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15836

[startup+25.5017 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1875024/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17060 CPUtime=25.48
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4191 0 0 0 2547 1 0 0 25 0 1 0 219454879 17469440 4074 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4265 4074 73 166 0 4096 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 17060

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

[startup+27.1018 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1875024/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17060 CPUtime=27.08
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4197 0 0 0 2707 1 0 0 25 0 1 0 219454879 17469440 4080 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4265 4080 73 166 0 4096 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 17060

[startup+28.701 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1874832/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17388 CPUtime=28.69
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4242 0 0 0 2867 2 0 0 25 0 1 0 219454879 17805312 4125 1992294400 134512640 135192793 4294956224 18446744073709551615 134533818 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4347 4125 73 166 0 4178 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 17388

[startup+29.5011 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1874832/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17388 CPUtime=29.49
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4247 0 0 0 2947 2 0 0 25 0 1 0 219454879 17805312 4130 1992294400 134512640 135192793 4294956224 18446744073709551615 134533892 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4347 4130 73 166 0 4178 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 17388

[startup+29.9012 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1874768/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17388 CPUtime=29.89
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4247 0 0 0 2987 2 0 0 25 0 1 0 219454879 17805312 4130 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4347 4130 73 166 0 4178 0
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (KiB) 17388

[startup+30.0012 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 4725
/proc/meminfo: memFree=1874768/2055920 swapFree=4179944/4192956
[pid=4724] ppid=4722 vsize=17388 CPUtime=29.99
/proc/4724/stat : 4724 (mxc-sat09) R 4722 4724 4553 0 -1 4194304 4247 0 0 0 2997 2 0 0 25 0 1 0 219454879 17805312 4130 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/4724/statm: 4347 4130 73 166 0 4178 0
Current children cumulated CPU time (s) 29.99
Current children cumulated vsize (KiB) 17388

Child status: 10
Real time (s): 30.0666
CPU time (s): 30.0574
CPU user time (s): 30.0334
CPU system time (s): 0.023996
CPU usage (%): 99.9695
Max. virtual memory (cumulated for all children) (KiB): 17388

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.0334
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4264
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= 65

runsolver used 0.026995 second user time and 0.067989 second system time

The end

Launcher Data 

Begin job on node75 at 2009-05-10 02:11:00
IDJOB=1784057
IDBENCH=70917
IDSOLVER=613
FILE ID=node75/1784057-1241914260
PBS_JOBID= 9264822
Free space on /tmp= 66208 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784057-1241914260/watcher-1784057-1241914260 -o /tmp/evaluation-result-1784057-1241914260/solver-1784057-1241914260 -C 5000 -W 6000 -M 1800  HOME/mxc-sat09 -i HOME/instance-1784057-1241914260.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1471142667

node75.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		: 3000.213
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		: 3000.213
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:       1891768 kB
Buffers:         42644 kB
Cached:          74972 kB
SwapCached:       7232 kB
Active:          55292 kB
Inactive:        71536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1891768 kB
SwapTotal:     4192956 kB
SwapFree:      4179944 kB
Dirty:            1184 kB
Writeback:           0 kB
Mapped:          14040 kB
Slab:            23264 kB
Committed_AS:   596704 kB
PageTables:       1416 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= 66208 MiB
End job on node75 at 2009-05-10 02:11:30