Trace number 236445

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 7.31089 8.68115

General information on the benchmark

Namefisher/
FISCHER8-1-fair.xml
MD5SUM53411a70950aaa11676d2840f04c7a8b
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 benchmark0.266958
SatisfiableNO
(Un)Satisfiability was proved
Number of variables2655
Number of constraints2499
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2499
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c This is CSPtoSAT+minisat version 0.3
0.01	c (c) 2006 roussel@cril.univ-artois.fr
0.01	
0.01	c This solver internally uses a modified version of MiniSat2 version 061112
0.01	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.01	
0.01	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/node10/watcher-236445-1168091540 -o ROOT/results/node10/solver-236445-1168091540 -C 1800 -M 900 /tmp/evaluation/236445-1168091540/CSPtoSAT+minisat /tmp/evaluation/236445-1168091540/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: 2.43 2.17 2.03 4/86 31658
/proc/meminfo: memFree=1608536/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=6696 CPUtime=0
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4194304 403 0 0 0 0 0 0 0 18 0 1 0 157549526 6856704 383 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 8874872 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 1674 383 358 52 0 30 0

[startup+0.107133 s]
/proc/loadavg: 2.43 2.17 2.03 4/86 31658
/proc/meminfo: memFree=1608536/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=21828 CPUtime=0.09
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4194304 3629 0 0 0 7 2 0 0 18 0 1 0 157549526 22351872 3478 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669414 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 5457 3482 694 52 0 3825 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 21828

[startup+0.515186 s]
/proc/loadavg: 2.43 2.17 2.03 4/86 31658
/proc/meminfo: memFree=1608536/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=138936 CPUtime=0.51
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4194304 28659 0 0 0 32 19 0 0 21 0 1 0 157549526 142270464 28477 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669235 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 34734 28480 694 52 0 33102 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 138936

[startup+1.3363 s]
/proc/loadavg: 2.43 2.17 2.03 3/86 31658
/proc/meminfo: memFree=1346840/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=373360 CPUtime=1.33
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4194304 79465 0 0 0 79 54 0 0 25 0 1 0 157549526 382320640 79282 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669248 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 93340 79285 694 52 0 91708 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 373360

[startup+2.97352 s]
/proc/loadavg: 2.43 2.17 2.03 3/86 31658
/proc/meminfo: memFree=1067800/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=830764 CPUtime=2.96
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4194304 179696 0 0 0 172 124 0 0 25 0 1 0 157549526 850702336 179513 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669451 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 207691 179517 694 52 0 206059 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 830764

[startup+6.26097 s]
/proc/loadavg: 2.40 2.17 2.03 3/86 31658
/proc/meminfo: memFree=285592/2055920 swapFree=4178332/4192956
[pid=31657] ppid=31655 vsize=910620 CPUtime=6.18
/proc/31657/stat : 31657 (CSPtoSAT+minisa) R 31655 31657 31602 0 -1 4195840 214407 0 0 0 186 432 0 0 25 0 1 0 157549526 932474880 193622 18446744073709551615 134512640 134728504 4294956704 18446744073709551615 134669451 0 0 4096 0 0 0 0 17 1 0 0
/proc/31657/statm: 227655 193622 694 52 0 226023 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 910620

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 8.68115
CPU time (s): 7.31089
CPU user time (s): 1.86971
CPU system time (s): 5.44117
CPU usage (%): 84.2157
Max. virtual memory (cumulated for all children) (KiB): 910620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.86972
system time used= 5.44117
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 214442
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= 23
involuntary context switches= 61

runsolver used 0.010998 s user time and 0.028995 s system time

The end

Launcher Data (download as text)

Begin job on node10 on Sat Jan  6 13:52:22 UTC 2007


IDJOB= 236445
IDBENCH= 6847
FILE ID= node10/236445-1168091540

PBS_JOBID= 3476401

Free space on /tmp= 66356 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fisher/FISCHER8-1-fair.xml
COMMAND LINE= /tmp/evaluation/236445-1168091540/CSPtoSAT+minisat /tmp/evaluation/236445-1168091540/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node10/watcher-236445-1168091540 -o ROOT/results/node10/solver-236445-1168091540 -C 1800 -M 900  /tmp/evaluation/236445-1168091540/CSPtoSAT+minisat /tmp/evaluation/236445-1168091540/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  53411a70950aaa11676d2840f04c7a8b

RANDOM SEED= 193910262

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		: 3000.232
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		: 3000.232
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:       1609144 kB
Buffers:         43336 kB
Cached:         253200 kB
SwapCached:       2120 kB
Active:         118604 kB
Inactive:       239488 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1609144 kB
SwapTotal:     4192956 kB
SwapFree:      4178332 kB
Dirty:            3016 kB
Writeback:           0 kB
Mapped:          74804 kB
Slab:            73476 kB
Committed_AS:  3670688 kB
PageTables:       2232 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= 65601 MiB



End job on node10 on Sat Jan  6 13:52:35 UTC 2007