Trace number 1831563

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-SAT09-32UNSAT 2.54361 2.54469

General information on the benchmark

Namecmu-bmc-barrel6.cnf
MD5SUMcc87f90bf08e13838e59f0f2639db121
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.82072
Satisfiable
(Un)Satisfiability was proved
Number of variables2306
Number of clauses8931
Sum of the clauses size24664
Maximum clause length217
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22629
Number of clauses of size 36048
Number of clauses of size 4252
Number of clauses of size 50
Number of clauses of size over 52

Solver Data 

2.49/2.54	c clasp version 1.2.0-SAT09 
2.49/2.54	c Reading from ...761676/instance-1831563-1242761676.cnf
2.49/2.54	c Reading      : Done(0.000s)
2.49/2.54	c Preprocessing: |-\Done(0.180s)
2.49/2.54	c Solving...
2.49/2.54	
2.49/2.54	c Models    : 0     
2.49/2.54	c Time         : 2.540s (Solve: 2.360s)
2.49/2.54	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1831563-1242761676/watcher-1831563-1242761676 -o /tmp/evaluation-result-1831563-1242761676/solver-1831563-1242761676 -C 10000 -W 12000 -M 1800 HOME/clasp --file=HOME/instance-1831563-1242761676.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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: 1.00 1.01 0.91 3/67 730
/proc/meminfo: memFree=1959824/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=1976 CPUtime=0
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 272 0 0 0 0 0 0 0 18 0 1 0 304193739 2023424 256 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 494 256 144 377 0 114 0

[startup+0.0399351 s]
/proc/loadavg: 1.00 1.01 0.91 3/67 730
/proc/meminfo: memFree=1959824/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=2872 CPUtime=0.03
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 512 0 0 0 3 0 0 0 18 0 1 0 304193739 2940928 479 1992294400 134512640 136057169 4294956160 18446744073709551615 134781951 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 718 479 167 377 0 338 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2872

[startup+0.10294 s]
/proc/loadavg: 1.00 1.01 0.91 3/67 730
/proc/meminfo: memFree=1959824/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3400 CPUtime=0.1
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 637 0 0 0 10 0 0 0 18 0 1 0 304193739 3481600 604 1992294400 134512640 136057169 4294956160 18446744073709551615 134782986 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 850 604 167 377 0 470 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3400

[startup+0.301957 s]
/proc/loadavg: 1.00 1.01 0.91 3/67 730
/proc/meminfo: memFree=1959824/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3400 CPUtime=0.29
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 673 0 0 0 29 0 0 0 19 0 1 0 304193739 3481600 640 1992294400 134512640 136057169 4294956160 18446744073709551615 134624599 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 850 640 182 377 0 470 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3400

[startup+0.701993 s]
/proc/loadavg: 1.00 1.01 0.91 3/67 730
/proc/meminfo: memFree=1959824/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3400 CPUtime=0.69
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 678 0 0 0 69 0 0 0 22 0 1 0 304193739 3481600 645 1992294400 134512640 136057169 4294956160 18446744073709551615 134637403 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 850 645 182 377 0 470 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3400

[startup+1.50107 s]
/proc/loadavg: 1.00 1.01 0.91 2/68 731
/proc/meminfo: memFree=1957832/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3664 CPUtime=1.49
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 724 0 0 0 149 0 0 0 25 0 1 0 304193739 3751936 691 1992294400 134512640 136057169 4294956160 18446744073709551615 135459153 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 916 691 182 377 0 536 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3664

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

[startup+2.30114 s]
/proc/loadavg: 1.00 1.01 0.91 2/68 731
/proc/meminfo: memFree=1957576/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3664 CPUtime=2.29
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 734 0 0 0 229 0 0 0 25 0 1 0 304193739 3751936 701 1992294400 134512640 136057169 4294956160 18446744073709551615 134612878 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 916 701 182 377 0 536 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 3664

[startup+2.50115 s]
/proc/loadavg: 1.00 1.01 0.91 2/68 731
/proc/meminfo: memFree=1957576/2055920 swapFree=4177268/4192956
[pid=730] ppid=728 vsize=3664 CPUtime=2.49
/proc/730/stat : 730 (clasp) R 728 730 549 0 -1 4194304 734 0 0 0 249 0 0 0 25 0 1 0 304193739 3751936 701 1992294400 134512640 136057169 4294956160 18446744073709551615 134824959 0 0 4096 16386 0 0 0 17 1 0 0
/proc/730/statm: 916 701 182 377 0 536 0
Current children cumulated CPU time (s) 2.49
Current children cumulated vsize (KiB) 3664

Child status: 20
Real time (s): 2.54469
CPU time (s): 2.54361
CPU user time (s): 2.54261
CPU system time (s): 0.000999
CPU usage (%): 99.9577
Max. virtual memory (cumulated for all children) (KiB): 3664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.54261
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 738
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= 2

runsolver used 0.003999 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node68 at 2009-05-19 21:34:36
IDJOB=1831563
IDBENCH=69564
IDSOLVER=637
FILE ID=node68/1831563-1242761676
PBS_JOBID= 9322234
Free space on /tmp= 66224 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT_RACE08/cnf/cmu-bmc-barrel6.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-1831563-1242761676/watcher-1831563-1242761676 -o /tmp/evaluation-result-1831563-1242761676/solver-1831563-1242761676 -C 10000 -W 12000 -M 1800  HOME/clasp --file=HOME/instance-1831563-1242761676.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= cc87f90bf08e13838e59f0f2639db121
RANDOM SEED=1966134542

node68.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		: 3000.223
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		: 3000.223
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:       1960240 kB
Buffers:          1468 kB
Cached:          56540 kB
SwapCached:       7272 kB
Active:          23940 kB
Inactive:        42892 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1960240 kB
SwapTotal:     4192956 kB
SwapFree:      4177268 kB
Dirty:            1984 kB
Writeback:           0 kB
Mapped:          14672 kB
Slab:            14452 kB
Committed_AS:   897212 kB
PageTables:       1580 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66224 MiB
End job on node68 at 2009-05-19 21:34:38