Trace number 1774510

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 2009-03-22? (MO) 2.67 2.71593

General information on the benchmark

NameAPPLICATIONS/c32sat/
post-cbmc-zfcp-2.8-u2-noholes.cnf
MD5SUMc4aa2ddc60eee766fbdf95a32eed5b43
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark59.403
Satisfiable
(Un)Satisfiability was proved
Number of variables10950109
Number of clauses32697150
Sum of the clauses size76320846
Maximum clause length65
Minimum clause length1
Number of clauses of size 12415
Number of clauses of size 221783823
Number of clauses of size 310907882
Number of clauses of size 41592
Number of clauses of size 5131
Number of clauses of size over 51307

Solver Data


Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: <no 's ' line found>

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1774510-1241354247/watcher-1774510-1241354247 -o /tmp/evaluation-result-1774510-1241354247/solver-1774510-1241354247 -C 10000 -W 12000 -M 1800 HOME/SATzilla2009_I HOME/instance-1774510-1241354247.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: 1.52 1.13 1.04 3/64 28405
/proc/meminfo: memFree=218688/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=684948 CPUtime=0
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 718 0 0 0 0 0 0 0 19 0 1 0 163462871 701386752 714 1992294400 134512640 135078026 4294956192 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 171237 722 44 138 0 171096 0

[startup+0.0364159 s]
/proc/loadavg: 1.52 1.13 1.04 3/64 28405
/proc/meminfo: memFree=218688/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=684948 CPUtime=0.03
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 5876 0 0 0 0 3 0 0 19 0 1 0 163462871 701386752 5872 1992294400 134512640 135078026 4294956192 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 171237 5879 44 138 0 171096 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 687004

[startup+0.101424 s]
/proc/loadavg: 1.52 1.13 1.04 3/64 28405
/proc/meminfo: memFree=218688/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=684948 CPUtime=0.1
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 17378 0 0 0 0 10 0 0 20 0 1 0 163462871 701386752 17374 1992294400 134512640 135078026 4294956192 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 171237 17382 44 138 0 171096 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 687004

[startup+0.301491 s]
/proc/loadavg: 1.52 1.13 1.04 3/64 28405
/proc/meminfo: memFree=218688/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=684948 CPUtime=0.3
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 52698 0 0 0 0 30 0 0 22 0 1 0 163462871 701386752 52694 1992294400 134512640 135078026 4294956192 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 171237 52700 44 138 0 171096 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 687004

[startup+0.702397 s]
/proc/loadavg: 1.52 1.13 1.04 3/64 28405
/proc/meminfo: memFree=218688/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=684948 CPUtime=0.7
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 120065 0 0 0 0 70 0 0 25 0 1 0 163462871 701386752 120061 1992294400 134512640 135078026 4294956192 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 171237 120067 44 138 0 171096 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 687004

[startup+1.50174 s]
/proc/loadavg: 1.52 1.13 1.04 2/66 28407
/proc/meminfo: memFree=15408/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=1198236 CPUtime=1.48
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4194304 254941 0 0 0 6 142 0 0 25 0 1 0 163462871 1226993664 254937 1992294400 134512640 135078026 4294956192 18446744073709551615 134734635 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 299559 254942 50 138 0 299418 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 1200292



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+2.70172 s]
/proc/loadavg: 1.48 1.12 1.04 2/66 28407
/proc/meminfo: memFree=14768/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=1872984 CPUtime=2.67
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4195840 393993 0 0 0 56 211 0 0 25 0 1 0 163462871 1917935616 393016 1992294400 134512640 135078026 4294956192 18446744073709551615 134536717 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 468246 393016 50 138 0 468105 0
Current children cumulated CPU time (s) 2.67
Current children cumulated vsize (KiB) 1875040

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+2.70172 s]
/proc/loadavg: 1.48 1.12 1.04 2/66 28407
/proc/meminfo: memFree=14768/2055920 swapFree=4192812/4192956
[pid=28405] ppid=28403 vsize=2056 CPUtime=0
/proc/28405/stat : 28405 (SATzilla2009_I) S 28403 28405 28368 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 163462870 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/28405/statm: 514 112 96 399 0 111 0
[pid=28406] ppid=28405 vsize=1872984 CPUtime=2.67
/proc/28406/stat : 28406 (mxc-sr08) R 28405 28405 28368 0 -1 4195840 393993 0 0 0 56 211 0 0 25 0 1 0 163462871 1917935616 393016 1992294400 134512640 135078026 4294956192 18446744073709551615 134536717 0 0 8392704 0 0 0 0 17 0 0 0
/proc/28406/statm: 468246 393016 50 138 0 468105 0
Current children cumulated CPU time (s) 2.67
Current children cumulated vsize (KiB) 1875040

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 28405 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=0
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=0
# CPU time returned by wait4() is 0
# while last known CPU time is 2.67
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 2.71593
CPU time (s): 2.67
CPU user time (s): 0.56
CPU system time (s): 2.11
CPU usage (%): 98.3087
Max. virtual memory (cumulated for all children) (KiB): 1875040

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 132
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= 3
involuntary context switches= 1

runsolver used 0.006998 second user time and 0.020996 second system time

The end

Launcher Data 

Begin job on node9 at 2009-05-03 14:38:11
IDJOB=1774510
IDBENCH=70953
IDSOLVER=616
FILE ID=node9/1774510-1241354247
PBS_JOBID= 9225582
Free space on /tmp= 65892 MiB

SOLVER NAME= SATzilla2009_I 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/c32sat/post-cbmc-zfcp-2.8-u2-noholes.cnf
COMMAND LINE= HOME/SATzilla2009_I BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1774510-1241354247/watcher-1774510-1241354247 -o /tmp/evaluation-result-1774510-1241354247/solver-1774510-1241354247 -C 10000 -W 12000 -M 1800  HOME/SATzilla2009_I HOME/instance-1774510-1241354247.cnf

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

MD5SUM BENCH= c4aa2ddc60eee766fbdf95a32eed5b43
RANDOM SEED=2077042782

node9.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		: 3000.240
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		: 3000.240
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:        219168 kB
Buffers:         92468 kB
Cached:        1609300 kB
SwapCached:          0 kB
Active:         933836 kB
Inactive:       781724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        219168 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:          235300 kB
Writeback:       18440 kB
Mapped:          23568 kB
Slab:           107240 kB
Committed_AS:   673912 kB
PageTables:       1388 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= 64324 MiB
End job on node9 at 2009-05-03 14:38:59