Trace number 1561991

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 11.1793 11.183

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
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 

11.09/11.17	c starting MXC with:
11.09/11.17	c cnf_path = HOME/instance-1561991-1238769904.cnf
11.09/11.17	c restart_strategy = auto
11.09/11.17	c sign_strategy = cached
11.09/11.17	c use_preprocessing = -1
11.09/11.17	c output_implicant = 1
11.09/11.17	c timeout_seconds = 0
11.09/11.17	c running SatELite... done
11.09/11.17	c 9 vars eliminated
11.09/11.17	c received 0 units and 30037 clauses from SatELite
11.09/11.17	c 8 assignments made, starting to guess now
11.09/11.17	c ===================================[MXC]=====================================
11.09/11.17	c | Conflicts |                Clause Statistics                   |   Vars   |
11.09/11.17	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
11.09/11.17	c =============================================================================
11.09/11.17	c |         0 |       0   21189     8848        0        0     nan |     1473 |
11.09/11.17	c |       100 |       0   20944     8847       98     1050    22.9 |     1453 |
11.09/11.17	c |       210 |       0   20923     8847      206     1105    37.2 |     1452 |
11.09/11.17	c |       441 |       0   20673     8846      431     1220    35.6 |     1439 |
11.09/11.17	c |       805 |       0   20241     8844      792     1402    40.3 |     1415 |
11.09/11.17	c |      1315 |       0   20242     8844     1301     1657    46.5 |     1415 |
11.09/11.17	c |      1986 |       0   20224     8844     1970     1993    45.8 |     1414 |
11.09/11.17	c |      2834 |       0   20211     8844     1807     2417    47.9 |     1413 |
11.09/11.17	c |      3876 |       0   20200     8844     2842     2938    46.5 |     1412 |
11.09/11.17	c |      5132 |       0   20196     8844     2572     3566    46.0 |     1411 |
11.09/11.17	c |      6623 |       0   20146     8844     4049     4311    47.7 |     1408 |
11.09/11.17	c |      8373 |       0   20071     8843     3502     5186    49.0 |     1403 |
11.09/11.17	c |     10408 |       0   20081     8843     5527     6204    49.4 |     1403 |
11.09/11.17	c |     12756 |       0   20069     8843     4427     7378    44.0 |     1402 |
11.09/11.17	c |     15449 |       0   20056     8843     7113     8724    50.0 |     1401 |
11.09/11.17	c |     18521 |       0   19921     8841    10172    10260    52.8 |     1392 |
11.09/11.17	c |     22010 |       0   19926     8841     8487    12005    49.7 |     1392 |
11.09/11.17	c |     25958 |       0   19912     8841    12432    13979    53.8 |     1391 |
11.09/11.17	c |     30411 |       0   19918     8841     9120    16205    45.1 |     1391 |
11.09/11.17	c |     35419 |       0   19925     8841    14121    18709    53.0 |     1391 |
11.09/11.17	c |     41038 |       0   19916     8841    19732    21519    58.1 |     1390 |
11.09/11.17	c |     47329 |       0   19924     8841    14369    24664    50.4 |     1390 |
11.09/11.17	c |     54360 |       0   19930     8841    21394    28180    57.3 |     1390 |
11.09/11.17	c |     62205 |       0   19939     8841    29230    32102    62.0 |     1390 |
11.09/11.17	c |     70945 |       0   19954     8841    20465    36184    51.6 |     1390 |
11.09/11.17	c |     80669 |       0   19964     8841    30179    37301    58.9 |     1390 |
11.09/11.17	c |     81752 |       0   19964     8841    31262    37418    59.7 |     1390 |
11.09/11.17	c ----- stats for thread 0 -----
11.09/11.17	c restarts: 308
11.09/11.17	c decisions: 290450
11.09/11.17	c propagations: 8275961
11.09/11.17	c conflicts: 81752
11.09/11.17	c 11.177s elapsed
11.09/11.17	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-1561991-1238769904/watcher-1561991-1238769904 -o /tmp/evaluation-result-1561991-1238769904/solver-1561991-1238769904 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/mxc-sat09 -i HOME/instance-1561991-1238769904.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: 2.09 2.03 2.05 4/86 18133
/proc/meminfo: memFree=1849608/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=1992 CPUtime=0
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 357 0 0 0 0 0 0 0 18 0 1 0 1149654481 2039808 343 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 498 345 54 166 0 329 0

[startup+0.0633521 s]
/proc/loadavg: 2.09 2.03 2.05 4/86 18133
/proc/meminfo: memFree=1849608/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=3064 CPUtime=0.05
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 734 0 0 0 5 0 0 0 18 0 1 0 1149654481 3137536 610 1992294400 134512640 135192793 4294956208 18446744073709551615 134567648 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 766 610 56 166 0 597 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3064

[startup+0.102355 s]
/proc/loadavg: 2.09 2.03 2.05 4/86 18133
/proc/meminfo: memFree=1849608/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=4020 CPUtime=0.09
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 1045 0 0 0 9 0 0 0 18 0 1 0 1149654481 4116480 861 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 1005 861 72 166 0 836 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4020

[startup+0.301384 s]
/proc/loadavg: 2.09 2.03 2.05 4/86 18133
/proc/meminfo: memFree=1849608/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=4812 CPUtime=0.29
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 1258 0 0 0 29 0 0 0 19 0 1 0 1149654481 4927488 1074 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 1203 1074 73 166 0 1034 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4812

[startup+0.70143 s]
/proc/loadavg: 2.09 2.03 2.05 4/86 18133
/proc/meminfo: memFree=1849608/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=5604 CPUtime=0.69
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 1447 0 0 0 69 0 0 0 23 0 1 0 1149654481 5738496 1263 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 1401 1263 73 166 0 1232 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5604

[startup+1.50153 s]
/proc/loadavg: 2.09 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1844032/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=7716 CPUtime=1.49
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 1975 0 0 0 149 0 0 0 25 0 1 0 1149654481 7901184 1791 1992294400 134512640 135192793 4294956208 18446744073709551615 134533276 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 1929 1791 73 166 0 1760 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7716

[startup+3.10173 s]
/proc/loadavg: 2.09 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1841856/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=9828 CPUtime=3.09
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 2486 0 0 0 308 1 0 0 25 0 1 0 1149654481 10063872 2302 1992294400 134512640 135192793 4294956208 18446744073709551615 134552508 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 2457 2302 73 166 0 2288 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9828

[startup+6.30113 s]
/proc/loadavg: 2.08 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1837120/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=13396 CPUtime=6.29
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 3395 0 0 0 628 1 0 0 25 0 1 0 1149654481 13717504 3211 1992294400 134512640 135192793 4294956208 18446744073709551615 134534082 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 3349 3211 73 166 0 3180 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13396

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

[startup+9.50153 s]
/proc/loadavg: 2.07 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1832008/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=18324 CPUtime=9.49
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 4586 0 0 0 947 2 0 0 25 0 1 0 1149654481 18763776 4402 1992294400 134512640 135192793 4294956208 18446744073709551615 134534215 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 4581 4402 73 166 0 4412 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 18324

[startup+10.3016 s]
/proc/loadavg: 2.07 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1832008/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=18324 CPUtime=10.29
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 4586 0 0 0 1027 2 0 0 25 0 1 0 1149654481 18763776 4402 1992294400 134512640 135192793 4294956208 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 4581 4402 73 166 0 4412 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 18324

[startup+10.7017 s]
/proc/loadavg: 2.07 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1832008/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=18324 CPUtime=10.69
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 4586 0 0 0 1067 2 0 0 25 0 1 0 1149654481 18763776 4402 1992294400 134512640 135192793 4294956208 18446744073709551615 134552195 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 4581 4402 73 166 0 4412 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 18324

[startup+11.1017 s]
/proc/loadavg: 2.07 2.03 2.05 3/87 18134
/proc/meminfo: memFree=1831944/2055920 swapFree=4170308/4192956
[pid=18133] ppid=18131 vsize=18324 CPUtime=11.09
/proc/18133/stat : 18133 (mxc-sat09) R 18131 18133 17410 0 -1 4194304 4586 0 0 0 1107 2 0 0 25 0 1 0 1149654481 18763776 4402 1992294400 134512640 135192793 4294956208 18446744073709551615 134533920 0 0 4096 0 0 0 0 17 1 0 0
/proc/18133/statm: 4581 4402 73 166 0 4412 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 18324

Child status: 10
Real time (s): 11.183
CPU time (s): 11.1793
CPU user time (s): 11.1513
CPU system time (s): 0.027995
CPU usage (%): 99.9672
Max. virtual memory (cumulated for all children) (KiB): 18324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.1513
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4589
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= 34

runsolver used 0.016997 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node92 at 2009-04-03 16:45:05
IDJOB=1561991
IDBENCH=70926
IDSOLVER=504
FILE ID=node92/1561991-1238769904
PBS_JOBID= 9085505
Free space on /tmp= 66552 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561991-1238769904/watcher-1561991-1238769904 -o /tmp/evaluation-result-1561991-1238769904/solver-1561991-1238769904 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/mxc-sat09 -i HOME/instance-1561991-1238769904.cnf

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=1908215238

node92.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		: 3000.249
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		: 3000.249
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:       1850088 kB
Buffers:         15212 kB
Cached:         121272 kB
SwapCached:       7540 kB
Active:          10064 kB
Inactive:       136224 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1850088 kB
SwapTotal:     4192956 kB
SwapFree:      4170308 kB
Dirty:            1400 kB
Writeback:           0 kB
Mapped:          15684 kB
Slab:            43624 kB
Committed_AS:  1973888 kB
PageTables:       2768 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 node92 at 2009-04-03 16:45:16