Trace number 236874

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 6.78197 12.336

General information on the benchmark

Namefisher/
FISCHER8-3-fair.xml
MD5SUM1f4289c28d400dbc235fe69dcefb8253
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables6711
Number of constraints6341
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension6341
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/node19/watcher-236874-1168701418 -o ROOT/results/node19/solver-236874-1168701418 -C 1800 -M 900 /tmp/evaluation/236874-1168701418/CSPtoSAT+minisat /tmp/evaluation/236874-1168701418/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: 3.08 1.57 0.63 4/87 5211
/proc/meminfo: memFree=1587016/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=18540 CPUtime=0
/proc/5210/stat : 5210 (runsolver) R 5208 5210 5000 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 218536531 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 255236566311 0 0 4096 24578 0 0 0 17 1 0 0
/proc/5210/statm: 4635 279 244 17 0 2626 0

[startup+0.108174 s]
/proc/loadavg: 3.08 1.57 0.63 4/87 5211
/proc/meminfo: memFree=1587016/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=7540 CPUtime=0.09
/proc/5210/stat : 5210 (CSPtoSAT+minisa) R 5208 5210 5000 0 -1 4194304 971 0 0 0 9 0 0 0 18 0 1 0 218536531 7720960 939 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 4158484109 0 0 4096 0 0 0 0 17 1 0 0
/proc/5210/statm: 1885 939 691 52 0 253 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7540

[startup+0.520259 s]
/proc/loadavg: 3.08 1.57 0.63 4/87 5211
/proc/meminfo: memFree=1587016/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=116280 CPUtime=0.51
/proc/5210/stat : 5210 (CSPtoSAT+minisa) R 5208 5210 5000 0 -1 4194304 26460 0 0 0 36 15 0 0 21 0 1 0 218536531 119070720 26295 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669248 0 0 4096 0 0 0 0 17 1 0 0
/proc/5210/statm: 29070 26295 694 52 0 27438 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 116280

[startup+1.34145 s]
/proc/loadavg: 2.99 1.58 0.64 3/87 5211
/proc/meminfo: memFree=1320456/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=373788 CPUtime=1.32
/proc/5210/stat : 5210 (CSPtoSAT+minisa) R 5208 5210 5000 0 -1 4194304 81825 0 0 0 89 43 0 0 25 0 1 0 218536531 382758912 81660 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669469 0 0 4096 0 0 0 0 17 1 0 0
/proc/5210/statm: 93447 81660 694 52 0 91815 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 373788

[startup+2.97872 s]
/proc/loadavg: 2.99 1.58 0.64 3/87 5211
/proc/meminfo: memFree=1009160/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=831192 CPUtime=2.95
/proc/5210/stat : 5210 (CSPtoSAT+minisa) R 5208 5210 5000 0 -1 4194304 193812 0 0 0 194 101 0 0 25 0 1 0 218536531 851140608 193647 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669466 0 0 4096 0 0 0 0 17 1 0 0
/proc/5210/statm: 207798 193647 694 52 0 206166 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 831192

[startup+6.26737 s]
/proc/loadavg: 3.15 1.63 0.66 3/87 5211
/proc/meminfo: memFree=201096/2055920 swapFree=4171264/4192956
[pid=5210] ppid=5208 vsize=911048 CPUtime=5.74
/proc/5210/stat : 5210 (CSPtoSAT+minisa) R 5208 5210 5000 0 -1 4195840 205737 0 0 0 194 380 0 0 22 0 1 0 218536531 932913152 193729 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669451 0 0 4096 0 0 0 0 17 1 0 0
/proc/5210/statm: 227762 193729 694 52 0 226130 0
Current children cumulated CPU time (s) 5.74
Current children cumulated vsize (KiB) 911048

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 12.336
CPU time (s): 6.78197
CPU user time (s): 1.9407
CPU system time (s): 4.84126
CPU usage (%): 54.9769
Max. virtual memory (cumulated for all children) (KiB): 911048

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.9407
system time used= 4.84126
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 214531
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= 64
involuntary context switches= 155

runsolver used 0.013997 s user time and 0.044993 s system time

The end

Launcher Data (download as text)

Begin job on node19 on Sat Jan 13 15:16:59 UTC 2007


IDJOB= 236874
IDBENCH= 6880
IDSOLVER= 87
FILE ID= node19/236874-1168701418

PBS_JOBID= 3546977

Free space on /tmp= 66560 MiB

SOLVER NAME= CSPtoSAT+minisat 0.3
BENCH NAME= HOME/pub/bench/CPAI06/fisher/FISCHER8-3-fair.xml
COMMAND LINE= /tmp/evaluation/236874-1168701418/CSPtoSAT+minisat /tmp/evaluation/236874-1168701418/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node19/watcher-236874-1168701418 -o ROOT/results/node19/solver-236874-1168701418 -C 1800 -M 900  /tmp/evaluation/236874-1168701418/CSPtoSAT+minisat /tmp/evaluation/236874-1168701418/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  1f4289c28d400dbc235fe69dcefb8253

RANDOM SEED= 305858687

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		: 3000.260
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		: 3000.260
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:       1587496 kB
Buffers:          9328 kB
Cached:         131372 kB
SwapCached:      10056 kB
Active:         279372 kB
Inactive:       113432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1587496 kB
SwapTotal:     4192956 kB
SwapFree:      4171264 kB
Dirty:            3292 kB
Writeback:           0 kB
Mapped:         262272 kB
Slab:            59824 kB
Committed_AS:  6438644 kB
PageTables:       2812 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= 65805 MiB



End job on node19 on Sat Jan 13 15:17:11 UTC 2007