Trace number 235964

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, and are wall clock time (not CPU 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
CSPtoSAT+minisat 0.3Signal 6.37103 18.5956

General information on the benchmark

Namefisher/
FISCHER1-6-fair.xml
MD5SUM9ff05981c1723b5a95e2e02d6e59f9f5
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.31795
SatisfiableNO
(Un)Satisfiability was proved
Number of variables1693
Number of constraints1590
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1590
Global constraints used (with number of constraints)

Solver Data (download as text)

0.20	c This is CSPtoSAT+minisat version 0.3
0.20	c (c) 2006 roussel@cril.univ-artois.fr
0.20	
0.20	c This solver internally uses a modified version of MiniSat2 version 061112
0.20	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.20	
0.20	c parsing...

Verifier Data (download as text)

ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer:

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node6/watcher-235964-1168701282 -o ROOT/results/node6/solver-235964-1168701282 -C 1800 -M 900 /tmp/evaluation/235964-1168701282/CSPtoSAT+minisat /tmp/evaluation/235964-1168701282/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB

/proc/loadavg: 0.90 0.37 0.13 3/87 10641
/proc/meminfo: memFree=1147752/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=18540 CPUtime=0
/proc/10640/stat : 10640 (runsolver) R 10638 10640 10284 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 218523778 18984960 279 18446744073709551615 4194304 4267372 548682069024 18446744073709551615 268582841639 0 0 4096 24578 0 0 0 17 1 0 0
/proc/10640/statm: 4635 279 244 17 0 2626 0

[startup+0.102242 s]
/proc/loadavg: 0.90 0.37 0.13 3/87 10641
/proc/meminfo: memFree=1147752/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=21652 CPUtime=0.08
/proc/10640/stat : 10640 (CSPtoSAT+minisa) R 10638 10640 10284 0 -1 4194304 4337 0 0 0 6 2 0 0 18 0 1 0 218523778 22171648 4247 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669293 0 0 4096 0 0 0 0 17 1 0 0
/proc/10640/statm: 5413 4247 694 52 0 3781 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 21652

[startup+0.510293 s]
/proc/loadavg: 0.90 0.37 0.13 3/87 10641
/proc/meminfo: memFree=1147752/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=169976 CPUtime=0.49
/proc/10640/stat : 10640 (CSPtoSAT+minisa) R 10638 10640 10284 0 -1 4194304 30208 0 0 0 32 17 0 0 21 0 1 0 218523778 174055424 30030 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669577 0 0 4096 0 0 0 0 17 1 0 0
/proc/10640/statm: 42494 30030 694 52 0 40862 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 169976

[startup+1.33139 s]
/proc/loadavg: 0.90 0.37 0.13 3/87 10641
/proc/meminfo: memFree=872680/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=373260 CPUtime=1.3
/proc/10640/stat : 10640 (CSPtoSAT+minisa) R 10638 10640 10284 0 -1 4194304 83235 0 0 0 87 43 0 0 25 0 1 0 218523778 382218240 83057 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669293 0 0 4096 0 0 0 0 17 1 0 0
/proc/10640/statm: 93315 83057 694 52 0 91683 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 373260

[startup+2.96858 s]
/proc/loadavg: 0.90 0.37 0.13 3/87 10641
/proc/meminfo: memFree=580648/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=830664 CPUtime=2.92
/proc/10640/stat : 10640 (CSPtoSAT+minisa) R 10638 10640 10284 0 -1 4194304 188104 0 0 0 194 98 0 0 25 0 1 0 218523778 850599936 187926 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669384 0 0 4096 0 0 0 0 17 1 0 0
/proc/10640/statm: 207666 187926 694 52 0 206034 0
Current children cumulated CPU time (s) 2.92
Current children cumulated vsize (KiB) 830664

[startup+6.26395 s]
/proc/loadavg: 0.99 0.40 0.14 4/87 10641
/proc/meminfo: memFree=15464/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=910520 CPUtime=5.24
/proc/10640/stat : 10640 (CSPtoSAT+minisa) D 10638 10640 10284 0 -1 4195840 205618 0 0 0 201 323 0 0 25 0 1 0 218523778 932372480 193597 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669451 0 0 4096 0 18446744071563608069 0 0 17 1 0 0
/proc/10640/statm: 227630 193597 694 52 0 225998 0
Current children cumulated CPU time (s) 5.24
Current children cumulated vsize (KiB) 910520

[startup+12.7217 s]
/proc/loadavg: 1.39 0.49 0.17 2/87 10641
/proc/meminfo: memFree=20520/2055924 swapFree=4165736/4192956
[pid=10640] ppid=10638 vsize=910520 CPUtime=5.24
/proc/10640/stat : 10640 (CSPtoSAT+minisa) D 10638 10640 10284 0 -1 4195840 205618 0 0 0 201 323 0 0 25 0 1 0 218523778 932372480 193597 18446744073709551615 134512640 134728504 4294956672 18446744073709551615 134669451 0 0 4096 0 18446744071563608069 0 0 17 1 0 0
/proc/10640/statm: 227630 193597 694 52 0 225998 0
Current children cumulated CPU time (s) 5.24
Current children cumulated vsize (KiB) 910520

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 18.5956
CPU time (s): 6.37103
CPU user time (s): 2.01269
CPU system time (s): 4.35834
CPU usage (%): 34.2609
Max. virtual memory (cumulated for all children) (KiB): 910520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.01269
system time used= 4.35834
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 214412
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= 17
involuntary context switches= 643

runsolver used 0.017997 s user time and 0.051992 s system time

The end

Launcher Data (download as text)

Begin job on node6 on Sat Jan 13 15:14:43 UTC 2007


IDJOB= 235964
IDBENCH= 6810
IDSOLVER= 87
FILE ID= node6/235964-1168701282

PBS_JOBID= 3546963

Free space on /tmp= 66561 MiB

SOLVER NAME= CSPtoSAT+minisat 0.3
BENCH NAME= HOME/pub/bench/CPAI06/fisher/FISCHER1-6-fair.xml
COMMAND LINE= /tmp/evaluation/235964-1168701282/CSPtoSAT+minisat /tmp/evaluation/235964-1168701282/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-235964-1168701282 -o ROOT/results/node6/solver-235964-1168701282 -C 1800 -M 900  /tmp/evaluation/235964-1168701282/CSPtoSAT+minisat /tmp/evaluation/235964-1168701282/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  9ff05981c1723b5a95e2e02d6e59f9f5

RANDOM SEED= 976553927

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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:      2055924 kB
MemFree:       1148232 kB
Buffers:         48216 kB
Cached:         551632 kB
SwapCached:       3040 kB
Active:         436308 kB
Inactive:       418100 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1148232 kB
SwapTotal:     4192956 kB
SwapFree:      4165736 kB
Dirty:            1860 kB
Writeback:           0 kB
Mapped:         264744 kB
Slab:            37380 kB
Committed_AS:  7341624 kB
PageTables:       2808 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= 65806 MiB



End job on node6 on Sat Jan 13 15:15:03 UTC 2007