Trace number 1561740

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
ManySAT 1.1 aimd 0/2009-03-20SAT 11.2853 5.73435

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 benchmark0.739886
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	c Parsing...
0.00/0.01	c ==============================================================================
0.00/0.01	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.01	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.01	c ==============================================================================
0.00/0.01	c |         0 |   22887    60224 |    6866       0        0     nan |  0.000 % |
0.00/0.08	c |         0 |   22887    60272 |      --       0       --      -- |     --   | 0/48
0.00/0.08	c ==============================================================================
0.00/0.08	c Result  :   #vars: 1465   #clauses: 22887   #literals: 60272
0.00/0.08	c CPU time:   0.076988 s
0.00/0.08	c ==============================================================================
11.20/5.72	c This is ManySAT 1.1 : 2 thread(s) on 2 core(s).
11.20/5.72	c ============================[ Problem Statistics ]=============================
11.20/5.72	c |                                                                             |
11.20/5.72	c threadId              : 0
11.20/5.72	c restarts              : 93
11.20/5.72	c conflicts             : 36284          (3261 /sec)
11.20/5.72	c decisions             : 123837         (1.31 % random) (11131 /sec)
11.20/5.72	c propagations          : 2910907        (261647 /sec)
11.20/5.72	c conflict literals     : 1835347        (18.75 % deleted)
11.20/5.72	c Memory used           : 26.98 MB
11.20/5.72	c CPU time              : 11.1253 s
11.20/5.72	
11.20/5.72	c --->m=2, e=8, aimd=0, HOME/31822_many.cnf	time: 5.56265	conflicts: 36284        
11.20/5.73	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-1561740-1238768463/watcher-1561740-1238768463 -o /tmp/evaluation-result-1561740-1238768463/solver-1561740-1238768463 -C 1200 -W 1800 -M 1800 --output-limit 1,15 manysat.sh HOME/instance-1561740-1238768463.cnf aimd 0 

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: 0.99 0.98 0.99 3/64 31822
/proc/meminfo: memFree=1752856/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149507317 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 235 195 169 0 50 0
[pid=31823] ppid=31822 vsize=824 CPUtime=0
/proc/31823/stat : 31823 (SatElite) R 31822 31822 30913 0 -1 4194304 127 0 0 0 0 0 0 0 18 0 1 0 1149507317 843776 111 1992294400 134512640 135034092 4294956096 18446744073709551615 134560667 0 0 4096 3 0 0 0 17 0 0 0
/proc/31823/statm: 206 111 51 127 0 76 0

[startup+0.0862849 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31822
/proc/meminfo: memFree=1752856/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149507317 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 235 195 169 0 50 0
[pid=31823] ppid=31822 vsize=2304 CPUtime=0.07
/proc/31823/stat : 31823 (SatElite) R 31822 31822 30913 0 -1 4194304 485 0 0 0 7 0 0 0 18 0 1 0 1149507317 2359296 469 1992294400 134512640 135034092 4294956096 18446744073709551615 134691101 0 0 4096 3 0 0 0 17 0 0 0
/proc/31823/statm: 576 469 69 127 0 446 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7660

[startup+0.101287 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31822
/proc/meminfo: memFree=1752856/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149507317 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 235 195 169 0 50 0
[pid=31823] ppid=31822 vsize=2304 CPUtime=0.09
/proc/31823/stat : 31823 (SatElite) R 31822 31822 30913 0 -1 4194304 485 0 0 0 9 0 0 0 18 0 1 0 1149507317 2359296 469 1992294400 134512640 135034092 4294956096 18446744073709551615 134691101 0 0 4096 3 0 0 0 17 0 0 0
/proc/31823/statm: 576 469 69 127 0 446 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7660

[startup+0.301338 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31822
/proc/meminfo: memFree=1752856/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5356

[startup+0.701425 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 31822
/proc/meminfo: memFree=1752856/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5356

[startup+1.5026 s]
/proc/loadavg: 0.99 0.98 0.99 3/67 31826
/proc/meminfo: memFree=1745024/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
[pid=31825] ppid=31822 vsize=21728 CPUtime=2.74
/proc/31825/stat : 31825 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194304 2370 0 0 0 272 2 0 0 17 0 2 0 1149507328 22249472 2355 1992294400 134512640 135305190 4294956144 18446744073709551615 134528229 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/31825/statm: 5432 2355 83 193 0 5236 0
[pid=31825/tid=31826] ppid=31822 vsize=21728 CPUtime=1.35
/proc/31825/task/31826/stat : 31826 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194368 676 0 0 0 135 0 0 0 17 0 2 0 1149507330 22249472 2355 1992294400 134512640 135305190 4294956144 18446744073709551615 134558374 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.83
Current children cumulated vsize (KiB) 27084

[startup+3.10194 s]
/proc/loadavg: 0.99 0.98 0.99 3/67 31826
/proc/meminfo: memFree=1741568/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
[pid=31825] ppid=31822 vsize=25680 CPUtime=5.94
/proc/31825/stat : 31825 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194304 3313 0 0 0 591 3 0 0 17 0 2 0 1149507328 26296320 3298 1992294400 134512640 135305190 4294956144 18446744073709551615 134528376 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/31825/statm: 6420 3298 83 193 0 6224 0
[pid=31825/tid=31826] ppid=31822 vsize=25680 CPUtime=2.95
/proc/31825/task/31826/stat : 31826 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194368 1077 0 0 0 294 1 0 0 17 0 2 0 1149507330 26296320 3298 1992294400 134512640 135305190 4294956144 18446744073709551615 134528480 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 6.03
Current children cumulated vsize (KiB) 31036

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

[startup+4.70129 s]
/proc/loadavg: 1.07 1.00 1.00 3/67 31826
/proc/meminfo: memFree=1737728/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
[pid=31825] ppid=31822 vsize=27624 CPUtime=9.12
/proc/31825/stat : 31825 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194304 3736 0 0 0 908 4 0 0 16 0 2 0 1149507328 28286976 3721 1992294400 134512640 135305190 4294956144 18446744073709551615 134528292 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/31825/statm: 6906 3721 83 193 0 6710 0
[pid=31825/tid=31826] ppid=31822 vsize=27624 CPUtime=4.54
/proc/31825/task/31826/stat : 31826 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194368 1254 0 0 0 453 1 0 0 17 0 2 0 1149507330 28286976 3721 1992294400 134512640 135305190 4294956144 18446744073709551615 134528301 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 9.21
Current children cumulated vsize (KiB) 32980

[startup+5.50646 s]
/proc/loadavg: 1.07 1.00 1.00 3/67 31826
/proc/meminfo: memFree=1737088/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
[pid=31825] ppid=31822 vsize=27624 CPUtime=10.72
/proc/31825/stat : 31825 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194304 3833 0 0 0 1068 4 0 0 17 0 2 0 1149507328 28286976 3818 1992294400 134512640 135305190 4294956144 18446744073709551615 134528292 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/31825/statm: 6906 3818 83 193 0 6710 0
[pid=31825/tid=31826] ppid=31822 vsize=27624 CPUtime=5.35
/proc/31825/task/31826/stat : 31826 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194368 1315 0 0 0 534 1 0 0 17 0 2 0 1149507330 28286976 3818 1992294400 134512640 135305190 4294956144 18446744073709551615 134528292 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 10.81
Current children cumulated vsize (KiB) 32980

[startup+5.7015 s]
/proc/loadavg: 1.07 1.00 1.00 3/67 31826
/proc/meminfo: memFree=1737088/2055920 swapFree=4177960/4192956
[pid=31822] ppid=31820 vsize=5356 CPUtime=0.09
/proc/31822/stat : 31822 (manysat.sh) S 31820 31822 30913 0 -1 4194304 312 488 0 0 0 0 9 0 15 0 1 0 1149507317 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31822/statm: 1339 238 195 169 0 50 0
[pid=31825] ppid=31822 vsize=27624 CPUtime=11.11
/proc/31825/stat : 31825 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194304 3857 0 0 0 1107 4 0 0 17 0 2 0 1149507328 28286976 3842 1992294400 134512640 135305190 4294956144 18446744073709551615 134528376 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/31825/statm: 6906 3842 83 193 0 6710 0
[pid=31825/tid=31826] ppid=31822 vsize=27624 CPUtime=5.54
/proc/31825/task/31826/stat : 31826 (manysat1.1_stat) R 31822 31822 30913 0 -1 4194368 1331 0 0 0 553 1 0 0 17 0 2 0 1149507330 28286976 3842 1992294400 134512640 135305190 4294956144 18446744073709551615 134551860 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 11.2
Current children cumulated vsize (KiB) 32980

Child status: 10
Real time (s): 5.73435
CPU time (s): 11.2853
CPU user time (s): 11.2293
CPU system time (s): 0.055991
CPU usage (%): 196.802
Max. virtual memory (cumulated for all children) (KiB): 32980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.2293
system time used= 0.055991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4855
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= 442
involuntary context switches= 95

runsolver used 0.006998 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node71 at 2009-04-03 16:21:03
IDJOB=1561740
IDBENCH=70921
IDSOLVER=513
FILE ID=node71/1561740-1238768463
PBS_JOBID= 9085486
Free space on /tmp= 66552 MiB

SOLVER NAME= ManySAT 1.1 aimd 0/2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_3_6_exp.cnf
COMMAND LINE= manysat.sh BENCHNAME aimd 0
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561740-1238768463/watcher-1561740-1238768463 -o /tmp/evaluation-result-1561740-1238768463/solver-1561740-1238768463 -C 1200 -W 1800 -M 1800 --output-limit 1,15  manysat.sh HOME/instance-1561740-1238768463.cnf aimd 0

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= 5b8699f429b7fdd3e23d69c762326321
RANDOM SEED=536902819

node71.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		: 3000.270
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		: 3000.270
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:       1753400 kB
Buffers:         37756 kB
Cached:         186724 kB
SwapCached:       9032 kB
Active:         118552 kB
Inactive:       116636 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753400 kB
SwapTotal:     4192956 kB
SwapFree:      4177960 kB
Dirty:            1828 kB
Writeback:           0 kB
Mapped:          16356 kB
Slab:            53360 kB
Committed_AS:  2580228 kB
PageTables:       1448 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= 66548 MiB
End job on node71 at 2009-04-03 16:21:09