Trace number 1773600

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
SATzilla2009_I 2009-03-22UNSAT 0.627904 0.627975

General information on the benchmark

NameAPPLICATIONS/bitverif/
minor/minor032.cnf
MD5SUM93c9f18c75548b864ec69c2789cae658
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.417936
Satisfiable
(Un)Satisfiability was proved
Number of variables4210
Number of clauses12053
Sum of the clauses size28121
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 28034
Number of clauses of size 34017
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.59/0.62	c SATzilla is building models for class 3
0.59/0.62	c run presolver mxc-sr08 for 10 seconds ... 
0.59/0.62	c Bin: Executing mxc-sr08
0.59/0.62	c spawning binary file with 10 seconds ...
0.59/0.62	c child exited successfully
0.59/0.62	c mxc-sr08 returned code 20.
0.59/0.62	s UNSATISFIABLE
0.59/0.62	c SATZILLA_TIME=0.610000

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-1773600-1241349627/watcher-1773600-1241349627 -o /tmp/evaluation-result-1773600-1241349627/solver-1773600-1241349627 -C 10000 -W 12000 -M 1800 HOME/SATzilla2009_I HOME/instance-1773600-1241349627.cnf 

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: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=1952 CPUtime=0
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 357 0 0 0 0 0 0 0 18 0 1 0 162988694 1998848 353 1992294400 134512640 135078026 4294956192 18446744073709551615 134721772 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 488 353 54 138 0 347 0

[startup+0.0154571 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=2460 CPUtime=0.01
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 497 0 0 0 1 0 0 0 18 0 1 0 162988694 2519040 451 1992294400 134512640 135078026 4294956192 18446744073709551615 134550912 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 615 451 55 138 0 474 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4516

[startup+0.101467 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=4260 CPUtime=0.09
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 981 0 0 0 9 0 0 0 18 0 1 0 162988694 4362240 935 1992294400 134512640 135078026 4294956192 18446744073709551615 134569262 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 1065 935 55 138 0 924 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6316

[startup+0.301494 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=4392 CPUtime=0.29
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 1058 0 0 0 29 0 0 0 19 0 1 0 162988694 4497408 972 1992294400 134512640 135078026 4294956192 18446744073709551615 134522112 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 1098 972 71 138 0 957 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6448

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

[startup+0.50152 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=4392 CPUtime=0.49
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 1058 0 0 0 49 0 0 0 20 0 1 0 162988694 4497408 972 1992294400 134512640 135078026 4294956192 18446744073709551615 134523786 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 1098 972 71 138 0 957 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 6448

[startup+0.601534 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 13539
/proc/meminfo: memFree=1091176/2055920 swapFree=4191900/4192956
[pid=13539] ppid=13537 vsize=2056 CPUtime=0
/proc/13539/stat : 13539 (SATzilla2009_I) S 13537 13539 13474 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 162988693 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/13539/statm: 514 112 96 399 0 111 0
[pid=13540] ppid=13539 vsize=4392 CPUtime=0.59
/proc/13540/stat : 13540 (mxc-sr08) R 13539 13539 13474 0 -1 4194304 1073 0 0 0 59 0 0 0 21 0 1 0 162988694 4497408 987 1992294400 134512640 135078026 4294956192 18446744073709551615 134522281 0 0 8392704 0 0 0 0 17 1 0 0
/proc/13540/statm: 1098 987 71 138 0 957 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 6448

Child status: 20
Real time (s): 0.627975
CPU time (s): 0.627904
CPU user time (s): 0.616906
CPU system time (s): 0.010998
CPU usage (%): 99.9887
Max. virtual memory (cumulated for all children) (KiB): 6612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.616906
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1239
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= 2

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node71 at 2009-05-03 13:20:27
IDJOB=1773600
IDBENCH=70757
IDSOLVER=616
FILE ID=node71/1773600-1241349627
PBS_JOBID= 9225545
Free space on /tmp= 66496 MiB

SOLVER NAME= SATzilla2009_I 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/bitverif/minor/minor032.cnf
COMMAND LINE= HOME/SATzilla2009_I BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773600-1241349627/watcher-1773600-1241349627 -o /tmp/evaluation-result-1773600-1241349627/solver-1773600-1241349627 -C 10000 -W 12000 -M 1800  HOME/SATzilla2009_I HOME/instance-1773600-1241349627.cnf

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

MD5SUM BENCH= 93c9f18c75548b864ec69c2789cae658
RANDOM SEED=2144181987

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		: 3000.236
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		: 3000.236
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:       1091720 kB
Buffers:         60612 kB
Cached:         795928 kB
SwapCached:        260 kB
Active:         161484 kB
Inactive:       708752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1091720 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:           32068 kB
Writeback:           0 kB
Mapped:          22252 kB
Slab:            80020 kB
Committed_AS:   571792 kB
PageTables:       1436 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= 66468 MiB
End job on node71 at 2009-05-03 13:20:28