Trace number 1837419

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
MiniSAT 09z 2009-03-22? (MO) 11.08 11.2125

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 

0.00/0.00	c Parsing...

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-1837419-1242870005/watcher-1837419-1242870005 -o /tmp/evaluation-result-1837419-1242870005/solver-1837419-1242870005 -C 10000 -W 12000 -M 1800 SatELiteGTI HOME/instance-1837419-1242870005.cnf -random-seed=1686262366 

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: 1.06 1.01 1.00 3/67 7775
/proc/meminfo: memFree=1042592/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0

[startup+0.0192971 s]
/proc/loadavg: 1.06 1.01 1.00 3/67 7775
/proc/meminfo: memFree=1042592/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101302 s]
/proc/loadavg: 1.06 1.01 1.00 3/67 7775
/proc/meminfo: memFree=1042592/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.301321 s]
/proc/loadavg: 1.06 1.01 1.00 3/67 7775
/proc/meminfo: memFree=1042592/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.701357 s]
/proc/loadavg: 1.06 1.01 1.00 3/67 7775
/proc/meminfo: memFree=1042592/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+1.50143 s]
/proc/loadavg: 1.06 1.01 1.00 2/69 7780
/proc/meminfo: memFree=898056/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
[pid=7779] ppid=7775 vsize=250192 CPUtime=1.48
/proc/7779/stat : 7779 (SatELite_releas) R 7775 7775 7569 0 -1 4194304 53655 0 0 0 118 30 0 0 25 0 1 0 315031078 256196608 53641 1992294400 134512640 135223648 4294956128 18446744073709551615 134737310 0 0 4096 3 0 0 0 17 1 0 0
/proc/7779/statm: 62548 53641 50 173 0 62373 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 255548

[startup+3.10157 s]
/proc/loadavg: 1.06 1.01 1.00 2/69 7780
/proc/meminfo: memFree=745352/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
[pid=7779] ppid=7775 vsize=504500 CPUtime=3.08
/proc/7779/stat : 7779 (SatELite_releas) R 7775 7775 7569 0 -1 4194304 108433 0 0 0 240 68 0 0 25 0 1 0 315031078 516608000 108419 1992294400 134512640 135223648 4294956128 18446744073709551615 134543504 0 0 4096 3 0 0 0 17 1 0 0
/proc/7779/statm: 126125 108420 50 173 0 125950 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 509856

[startup+6.30186 s]
/proc/loadavg: 1.05 1.01 1.00 2/69 7780
/proc/meminfo: memFree=299784/2055920 swapFree=4177380/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
[pid=7779] ppid=7775 vsize=1009156 CPUtime=6.29
/proc/7779/stat : 7779 (SatELite_releas) R 7775 7775 7569 0 -1 4194304 215660 0 0 0 500 129 0 0 25 0 1 0 315031078 1033375744 215646 1992294400 134512640 135223648 4294956128 18446744073709551615 134737310 0 0 4096 3 0 0 0 17 1 0 0
/proc/7779/statm: 252289 215652 50 173 0 252114 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1014512



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+11.2013 s]
/proc/loadavg: 1.05 1.01 1.00 2/69 7780
/proc/meminfo: memFree=15688/2055920 swapFree=4177396/4192956
[pid=7775] ppid=7773 vsize=5356 CPUtime=0
/proc/7775/stat : 7775 (SatELiteGTI) S 7773 7775 7569 0 -1 4194304 309 250 0 0 0 0 0 0 18 0 1 0 315031077 5484544 237 1992294400 4194304 4889804 548682068784 18446744073709551615 209560593220 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/7775/statm: 1339 237 197 169 0 50 0
[pid=7779] ppid=7775 vsize=1846636 CPUtime=11.08
/proc/7779/stat : 7779 (SatELite_releas) R 7775 7775 7569 0 -1 4194304 371253 0 0 0 882 226 0 0 25 0 1 0 315031078 1890955264 371239 1992294400 134512640 135223648 4294956128 18446744073709551615 134737310 0 0 4096 3 0 0 0 17 1 0 0
/proc/7779/statm: 461659 371240 50 173 0 461484 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 1851992

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

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

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 7775 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=1999
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=2999
# CPU time returned by wait4() is 0.004998
# while last known CPU time is 11.08
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 11.2125
CPU time (s): 11.08
CPU user time (s): 8.82
CPU system time (s): 2.26
CPU usage (%): 98.8179
Max. virtual memory (cumulated for all children) (KiB): 1851992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.001999
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 559
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= 11
involuntary context switches= 6

runsolver used 0.014997 second user time and 0.037994 second system time

The end

Launcher Data 

Begin job on node68 at 2009-05-21 03:40:49
IDJOB=1837419
IDBENCH=70953
IDSOLVER=675
FILE ID=node68/1837419-1242870005
PBS_JOBID= 9328594
Free space on /tmp= 65424 MiB

SOLVER NAME= MiniSAT 09z 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/c32sat/post-cbmc-zfcp-2.8-u2-noholes.cnf
COMMAND LINE= SatELiteGTI BENCHNAME -random-seed=RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1837419-1242870005/watcher-1837419-1242870005 -o /tmp/evaluation-result-1837419-1242870005/solver-1837419-1242870005 -C 10000 -W 12000 -M 1800  SatELiteGTI HOME/instance-1837419-1242870005.cnf -random-seed=1686262366

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

MD5SUM BENCH= c4aa2ddc60eee766fbdf95a32eed5b43
RANDOM SEED=1686262366

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:       1043008 kB
Buffers:         32768 kB
Cached:         889448 kB
SwapCached:       7412 kB
Active:         705920 kB
Inactive:       225260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1043008 kB
SwapTotal:     4192956 kB
SwapFree:      4177380 kB
Dirty:          267396 kB
Writeback:           0 kB
Mapped:          14816 kB
Slab:            67316 kB
Committed_AS:   942488 kB
PageTables:       1564 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= 65424 MiB
End job on node68 at 2009-05-21 03:41:02