Trace number 236273

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
Mistral 2006-12-04Signal 2.34864 2.56909

General information on the benchmark

Namefisher/
FISCHER9-1-fair.xml
MD5SUMda9dae81d879a58be86a6829f16f9143
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 benchmark0.298954
SatisfiableNO
(Un)Satisfiability was proved
Number of variables3001
Number of constraints2826
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2826
Global constraints used (with number of constraints)

Solver Data (download as text)

0.13	c 
0.13	c Parsing xml file
0.13	c 	domains...............    0
0.15	c 	variables............. 0.65
0.80	c 	predicates...test
0.80	..test
0.80	test
0.80	.test
0.80	test
0.80	.test
0.80	test
0.80	...test
0.80	test
0.80	..    0
0.80	c 	constraints.

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/node1/watcher-236273-1168342368 -o ROOT/results/node1/solver-236273-1168342368 -C 1800 -M 900 /tmp/evaluation/236273-1168342368/mistral/bin/solver /tmp/evaluation/236273-1168342368/unknown.xml -v 1 

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: 1.70 2.20 2.72 5/87 27288
/proc/meminfo: memFree=1834448/2055920 swapFree=4165612/4192956
[pid=27287] ppid=27285 vsize=540 CPUtime=0
/proc/27287/stat : 27287 (solver) R 27285 27287 26868 0 -1 4194304 41 0 0 0 0 0 0 0 19 0 1 0 182632687 552960 26 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 5829412 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/27287/statm: 135 26 21 92 0 18 0

[startup+0.103749 s]
/proc/loadavg: 1.70 2.20 2.72 5/87 27288
/proc/meminfo: memFree=1834448/2055920 swapFree=4165612/4192956
[pid=27287] ppid=27285 vsize=6744 CPUtime=0
/proc/27287/stat : 27287 (solver) R 27285 27287 26868 0 -1 4194304 513 0 16 0 0 0 0 0 18 0 1 0 182632687 6905856 497 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159411416 0 0 4096 0 0 0 0 17 1 0 0
/proc/27287/statm: 1686 497 435 92 0 30 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 6744

[startup+0.511798 s]
/proc/loadavg: 1.70 2.20 2.72 5/87 27288
/proc/meminfo: memFree=1834448/2055920 swapFree=4165612/4192956
[pid=27287] ppid=27285 vsize=235980 CPUtime=0.35
/proc/27287/stat : 27287 (solver) R 27285 27287 26868 0 -1 4194304 57986 0 27 0 12 23 0 0 20 0 1 0 182632687 241643520 57981 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134804793 0 0 4096 0 0 0 0 17 1 0 0
/proc/27287/statm: 58995 57981 692 92 0 57339 0
Current children cumulated CPU time (s) 0.35
Current children cumulated vsize (KiB) 235980

[startup+1.34191 s]
/proc/loadavg: 1.70 2.20 2.72 3/87 27288
/proc/meminfo: memFree=1336464/2055920 swapFree=4165612/4192956
[pid=27287] ppid=27285 vsize=414980 CPUtime=1.17
/proc/27287/stat : 27287 (solver) R 27285 27287 26868 0 -1 4195840 102822 0 27 0 22 95 0 0 25 0 1 0 182632687 424939520 102816 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134559939 0 0 4096 0 0 0 0 17 1 0 0
/proc/27287/statm: 103745 102816 715 92 0 102089 0
Current children cumulated CPU time (s) 1.17
Current children cumulated vsize (KiB) 414980

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 2.56909
CPU time (s): 2.34864
CPU user time (s): 0.229965
CPU system time (s): 2.11868
CPU usage (%): 91.4194
Max. virtual memory (cumulated for all children) (KiB): 414980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.229965
system time used= 2.11868
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 102861
page faults= 27
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 43
involuntary context switches= 175

runsolver used 0.008998 s user time and 0.011998 s system time

The end

Launcher Data (download as text)

Begin job on node1 on Tue Jan  9 11:32:49 UTC 2007


IDJOB= 236273
IDBENCH= 6834
FILE ID= node1/236273-1168342368

PBS_JOBID= 3503189

Free space on /tmp= 66505 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fisher/FISCHER9-1-fair.xml
COMMAND LINE= /tmp/evaluation/236273-1168342368/mistral/bin/solver /tmp/evaluation/236273-1168342368/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-236273-1168342368 -o ROOT/results/node1/solver-236273-1168342368 -C 1800 -M 900  /tmp/evaluation/236273-1168342368/mistral/bin/solver /tmp/evaluation/236273-1168342368/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  da9dae81d879a58be86a6829f16f9143

RANDOM SEED= 329798135

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		: 3000.234
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		: 3000.234
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:       1834864 kB
Buffers:         28536 kB
Cached:          56744 kB
SwapCached:       3392 kB
Active:         120672 kB
Inactive:        45132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1834864 kB
SwapTotal:     4192956 kB
SwapFree:      4165612 kB
Dirty:            4512 kB
Writeback:           0 kB
Mapped:          91980 kB
Slab:            39824 kB
Committed_AS:  5877656 kB
PageTables:       2392 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= 66106 MiB



End job on node1 on Tue Jan  9 11:32:52 UTC 2007