Trace number 1560955

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
clasp 1.2.0-SAT09-32SAT 41.0238 41.0408

General information on the benchmark

NameCRAFTED/edgematching/
compact/em_7_4_9_cmp.cnf
MD5SUMcc3488b2f0eb99d818c5779787a8ab84
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark11.3113
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses15063
Sum of the clauses size48355
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23556
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 

40.98/41.03	c clasp version 1.2.0-SAT09 
40.98/41.03	c Reading from ...759735/instance-1560955-1238759735.cnf
40.98/41.03	c Reading      : Done(0.000s)
40.98/41.03	c Preprocessing: |-\Done(0.030s)
40.98/41.03	c Solving...
40.98/41.03	c Model: 1
40.98/41.03	v -1 -2 -3 4 -5 -6 -7 -8 -9 -10
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40.98/41.03	v 1641 -1642 -1643 -1644 -1645 -1646 -1647 -1648 -1649 -1650
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40.98/41.03	v -1661 -1662 -1663 -1664 1665 -1666 1667 -1668 -1669 -1670
40.98/41.03	v -1671 1672 -1673 1674 -1675 -1676 -1677 0 
40.98/41.04	
40.98/41.04	c Models    : 1+    
40.98/41.04	c Time         : 41.020s (Solve: 40.990s)
40.98/41.04	s SATISFIABLE

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-1560955-1238759735/watcher-1560955-1238759735 -o /tmp/evaluation-result-1560955-1238759735/solver-1560955-1238759735 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1560955-1238759735.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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: 0.93 1.30 1.31 3/65 5028
/proc/meminfo: memFree=1826880/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=2004 CPUtime=0
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 255 0 0 0 0 0 0 0 18 0 1 0 1148635729 2052096 239 1992294400 134512640 136057169 4294956144 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 501 239 144 377 0 121 0

[startup+0.00953197 s]
/proc/loadavg: 0.93 1.30 1.31 3/65 5028
/proc/meminfo: memFree=1826880/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=2268 CPUtime=0
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 332 0 0 0 0 0 0 0 18 0 1 0 1148635729 2322432 316 1992294400 134512640 136057169 4294956144 18446744073709551615 135459759 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 567 316 144 377 0 187 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2268

[startup+0.101548 s]
/proc/loadavg: 0.93 1.30 1.31 3/65 5028
/proc/meminfo: memFree=1826880/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=2940 CPUtime=0.09
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 529 0 0 0 9 0 0 0 18 0 1 0 1148635729 3010560 500 1992294400 134512640 136057169 4294956144 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 735 500 182 377 0 355 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2940

[startup+0.301583 s]
/proc/loadavg: 0.93 1.30 1.31 3/65 5028
/proc/meminfo: memFree=1826880/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=3468 CPUtime=0.29
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 680 0 0 0 29 0 0 0 19 0 1 0 1148635729 3551232 651 1992294400 134512640 136057169 4294956144 18446744073709551615 134618250 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 867 651 182 377 0 487 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3468

[startup+0.701653 s]
/proc/loadavg: 0.93 1.30 1.31 3/65 5028
/proc/meminfo: memFree=1826880/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=4260 CPUtime=0.69
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 880 0 0 0 69 0 0 0 22 0 1 0 1148635729 4362240 851 1992294400 134512640 136057169 4294956144 18446744073709551615 134823788 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 1065 851 182 377 0 685 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4260

[startup+1.5018 s]
/proc/loadavg: 0.93 1.30 1.31 2/66 5029
/proc/meminfo: memFree=1824184/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=4656 CPUtime=1.49
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 981 0 0 0 149 0 0 0 25 0 1 0 1148635729 4767744 952 1992294400 134512640 136057169 4294956144 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 1164 952 182 377 0 784 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4656

[startup+3.10208 s]
/proc/loadavg: 0.93 1.30 1.31 2/66 5029
/proc/meminfo: memFree=1823608/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=5448 CPUtime=3.09
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 1191 0 0 0 309 0 0 0 25 0 1 0 1148635729 5578752 1162 1992294400 134512640 136057169 4294956144 18446744073709551615 134618126 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 1362 1162 182 377 0 982 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5448

[startup+6.30165 s]
/proc/loadavg: 0.93 1.29 1.31 2/66 5029
/proc/meminfo: memFree=1822392/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=5976 CPUtime=6.29
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 1293 0 0 0 628 1 0 0 25 0 1 0 1148635729 6119424 1264 1992294400 134512640 136057169 4294956144 18446744073709551615 134618307 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 1494 1264 182 377 0 1114 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 5976

[startup+12.7018 s]
/proc/loadavg: 0.94 1.29 1.31 2/66 5029
/proc/meminfo: memFree=1820096/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=8228 CPUtime=12.69
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 1855 0 0 0 1268 1 0 0 25 0 1 0 1148635729 8425472 1826 1992294400 134512640 136057169 4294956144 18446744073709551615 134823788 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2057 1826 182 377 0 1677 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8228

[startup+25.5011 s]
/proc/loadavg: 1.02 1.29 1.31 2/66 5029
/proc/meminfo: memFree=1818560/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=9704 CPUtime=25.48
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2235 0 0 0 2547 1 0 0 25 0 1 0 1148635729 9936896 2206 1992294400 134512640 136057169 4294956144 18446744073709551615 134823619 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2426 2206 182 377 0 2046 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 9704

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

[startup+31.9052 s]
/proc/loadavg: 1.02 1.28 1.30 2/66 5029
/proc/meminfo: memFree=1817984/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10232 CPUtime=31.89
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2370 0 0 0 3187 2 0 0 25 0 1 0 1148635729 10477568 2341 1992294400 134512640 136057169 4294956144 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2558 2341 182 377 0 2178 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 10232

[startup+35.1018 s]
/proc/loadavg: 1.02 1.28 1.30 2/66 5029
/proc/meminfo: memFree=1817856/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10364 CPUtime=35.09
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2408 0 0 0 3507 2 0 0 25 0 1 0 1148635729 10612736 2379 1992294400 134512640 136057169 4294956144 18446744073709551615 134618307 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2591 2379 182 377 0 2211 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 10364

[startup+38.3013 s]
/proc/loadavg: 1.02 1.28 1.30 2/66 5029
/proc/meminfo: memFree=1817792/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10496 CPUtime=38.28
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2419 0 0 0 3826 2 0 0 25 0 1 0 1148635729 10747904 2390 1992294400 134512640 136057169 4294956144 18446744073709551615 134823818 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2624 2390 182 377 0 2244 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 10496

[startup+39.9016 s]
/proc/loadavg: 1.02 1.28 1.30 2/66 5029
/proc/meminfo: memFree=1817856/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10496 CPUtime=39.88
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2419 0 0 0 3986 2 0 0 25 0 1 0 1148635729 10747904 2390 1992294400 134512640 136057169 4294956144 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2624 2390 182 377 0 2244 0
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (KiB) 10496

[startup+40.7058 s]
/proc/loadavg: 1.02 1.27 1.30 2/66 5029
/proc/meminfo: memFree=1817472/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10760 CPUtime=40.68
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2511 0 0 0 4066 2 0 0 25 0 1 0 1148635729 11018240 2482 1992294400 134512640 136057169 4294956144 18446744073709551615 134618265 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2690 2482 182 377 0 2310 0
Current children cumulated CPU time (s) 40.68
Current children cumulated vsize (KiB) 10760

[startup+40.9018 s]
/proc/loadavg: 1.02 1.27 1.30 2/66 5029
/proc/meminfo: memFree=1817472/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10760 CPUtime=40.88
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2511 0 0 0 4086 2 0 0 25 0 1 0 1148635729 11018240 2482 1992294400 134512640 136057169 4294956144 18446744073709551615 134618238 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2690 2482 182 377 0 2310 0
Current children cumulated CPU time (s) 40.88
Current children cumulated vsize (KiB) 10760

[startup+41.0018 s]
/proc/loadavg: 1.02 1.27 1.30 2/66 5029
/proc/meminfo: memFree=1817472/2055920 swapFree=4177732/4192956
[pid=5028] ppid=5026 vsize=10760 CPUtime=40.98
/proc/5028/stat : 5028 (clasp) R 5026 5028 4674 0 -1 4194304 2511 0 0 0 4096 2 0 0 25 0 1 0 1148635729 11018240 2482 1992294400 134512640 136057169 4294956144 18446744073709551615 134823809 0 0 4096 16386 0 0 0 17 1 0 0
/proc/5028/statm: 2690 2482 182 377 0 2310 0
Current children cumulated CPU time (s) 40.98
Current children cumulated vsize (KiB) 10760

Child status: 10
Real time (s): 41.0408
CPU time (s): 41.0238
CPU user time (s): 41.0008
CPU system time (s): 0.022996
CPU usage (%): 99.9584
Max. virtual memory (cumulated for all children) (KiB): 10760

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.0008
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2516
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= 7
involuntary context switches= 43

runsolver used 0.043993 second user time and 0.114982 second system time

The end

Launcher Data 

Begin job on node56 at 2009-04-03 13:55:35
IDJOB=1560955
IDBENCH=70906
IDSOLVER=508
FILE ID=node56/1560955-1238759735
PBS_JOBID= 9085482
Free space on /tmp= 103184 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_7_4_9_cmp.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1560955-1238759735/watcher-1560955-1238759735 -o /tmp/evaluation-result-1560955-1238759735/solver-1560955-1238759735 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1560955-1238759735.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= cc3488b2f0eb99d818c5779787a8ab84
RANDOM SEED=631186594

node56.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		: 3000.256
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		: 3000.256
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:       1827296 kB
Buffers:         19228 kB
Cached:         133196 kB
SwapCached:       9280 kB
Active:          18476 kB
Inactive:       144704 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1827296 kB
SwapTotal:     4192956 kB
SwapFree:      4177732 kB
Dirty:            2288 kB
Writeback:           0 kB
Mapped:          16404 kB
Slab:            51268 kB
Committed_AS:  2905176 kB
PageTables:       1472 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= 103180 MiB
End job on node56 at 2009-04-03 13:56:16