Trace number 214656

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
SAT4JCSP-CACHED 1.7 RC BF3? (MO) 4.73028 2.80075

General information on the benchmark

NamepseudoSeries/
niklas/p2756.xml
MD5SUMf69d06e7abfe89777df3e5dea6a2adde
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.40963
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2734
Number of constraints738
Maximum constraint arity535
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension738
Global constraints used (with number of constraints)

Solver Data (download as text)

0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2006 Daniel Le Berre
0.14	c This is free software under the GNU LGPL licence. See www.sat4j.org for details.
0.14	c This software uses some libraries from the Jakarta project. See jakarta.apache.org for details.
0.15	c version CSP COMPETITION BUGFIX 3 CACHED
0.15	c sun.arch.data.model	32
0.15	c java.version	1.5.0_10
0.15	c os.name	Linux
0.15	c os.version	2.6.9-22.EL.rootsmp
0.15	c os.arch	i386
0.15	c Free memory 722620888
0.15	c Max memory 723845120
0.15	c Total memory 723845120
0.15	c Number of processors 2
0.21	c --- Begin Solver configuration ---
0.21	c Stops conflict analysis at the first Unique Implication Point
0.21	c org.sat4j.minisat.constraints.MixedDataStructureWithBinary@19dfbff
0.21	c Learn all clauses as in MiniSAT
0.21	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.21	c VSIDS like heuristics from MiniSAT using a heap
0.21	c No reason simplification
0.21	c --- End Solver configuration ---
0.21	c solving /tmp/evaluation/214656-1168231613/unknown.xml
0.21	c reading problem ... 
0.38	c reading problem named ?
0.38	c reading domains done.
0.38	c reading variables
c reading variables (2734) done.
1.28	c reading predicates 
c reading relations (35) done.
2.54	c reading constraintsc starts		: 0
2.72	c conflicts		: 0
2.72	c decisions		: 0
2.72	c propagations		: 0
2.72	c inspects		: 0
2.72	c learnt literals	: 0
2.72	c learnt binary clauses	: 0
2.72	c learnt ternary clauses	: 0
2.72	c learnt clauses	: 0
2.72	c root simplifications	: 0
2.72	c removed literals (reason simplification)	: 0
2.72	c reason swapping (by a shorter reason)	: 0
2.72	c Calls to reduceDB	: 0
2.72	c speed (decisions/second)	: 0.0
2.72	c non guided choices	0
2.72	s UNKNOWN
2.72	c Total wall clock time (in seconds) : 2.512
2.72	c Total CPU time (experimental, in seconds) : 0.0

Verifier Data (download as text)

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

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node20/watcher-214656-1168231613 -o ROOT/results/node20/solver-214656-1168231613 -C 1800 -M 900 java -server -Xmx700M -Xms700M -jar /tmp/evaluation/214656-1168231613/sat4jCSP-bf3-cached.jar /tmp/evaluation/214656-1168231613/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: 0.94 1.02 1.16 3/78 15088
/proc/meminfo: memFree=1432624/2055920 swapFree=4170192/4192956
[pid=15087] ppid=15085 vsize=1784 CPUtime=0
/proc/15087/stat : 15087 (java) R 15085 15087 14417 0 -1 0 176 0 0 0 0 0 0 0 18 0 1 0 171555881 1826816 146 18446744073709551615 134512640 134570532 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/15087/statm: 446 146 111 14 0 91 0

[startup+0.105703 s]
/proc/loadavg: 0.94 1.02 1.16 3/78 15088
/proc/meminfo: memFree=1432624/2055920 swapFree=4170192/4192956
[pid=15087] ppid=15085 vsize=903676 CPUtime=0.09
/proc/15087/stat : 15087 (java) R 15085 15087 14417 0 -1 0 3401 0 1 0 7 2 0 0 24 0 12 0 171555881 925364224 3161 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 8054395 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/15087/statm: 225919 3161 1581 14 0 212365 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 903676

[startup+0.513751 s]
/proc/loadavg: 0.94 1.02 1.16 3/78 15088
/proc/meminfo: memFree=1432624/2055920 swapFree=4170192/4192956
[pid=15087] ppid=15085 vsize=906112 CPUtime=0.7
/proc/15087/stat : 15087 (java) R 15085 15087 14417 0 -1 0 6178 0 1 0 66 4 0 0 18 0 12 0 171555881 927858688 5707 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4053834596 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/15087/statm: 226528 5707 2295 14 0 212965 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 906112

[startup+1.33585 s]
/proc/loadavg: 0.94 1.02 1.16 4/89 15099
/proc/meminfo: memFree=1415000/2055920 swapFree=4170192/4192956
[pid=15087] ppid=15085 vsize=908232 CPUtime=2.13
/proc/15087/stat : 15087 (java) R 15085 15087 14417 0 -1 0 8575 0 1 0 208 5 0 0 18 0 12 0 171555881 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/15087/statm: 227058 7477 2370 14 0 213495 0
[pid=15087/tid=15089] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15089/stat : 15089 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 18 0 12 0 171555884 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15090] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15090/stat : 15090 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 19 0 12 0 171555884 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15091] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15091/stat : 15091 (java) S 15085 15087 14417 0 -1 64 6 0 0 0 0 0 0 0 16 0 12 0 171555886 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15092] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15092/stat : 15092 (java) S 15085 15087 14417 0 -1 64 8 0 0 0 0 0 0 0 21 0 12 0 171555887 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15093] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15093/stat : 15093 (java) S 15085 15087 14417 0 -1 64 4 0 0 0 0 0 0 0 22 0 12 0 171555887 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15094] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15094/stat : 15094 (java) S 15085 15087 14417 0 -1 64 0 0 0 0 0 0 0 0 23 0 12 0 171555890 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15095] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15095/stat : 15095 (java) S 15085 15087 14417 0 -1 64 1 0 0 0 0 0 0 0 17 0 12 0 171555890 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15096] ppid=15085 vsize=908232 CPUtime=0.62
/proc/15087/task/15096/stat : 15096 (java) R 15085 15087 14417 0 -1 64 1246 0 0 0 62 0 0 0 17 0 12 0 171555890 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4154619824 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15097] ppid=15085 vsize=908232 CPUtime=0.52
/proc/15087/task/15097/stat : 15097 (java) R 15085 15087 14417 0 -1 64 1067 0 0 0 52 0 0 0 16 0 12 0 171555890 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4154619825 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15098] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15098/stat : 15098 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 24 0 12 0 171555890 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15099] ppid=15085 vsize=908232 CPUtime=0
/proc/15087/task/15099/stat : 15099 (java) S 15085 15087 14417 0 -1 64 1 0 0 0 0 0 0 0 15 0 12 0 171555891 930029568 7477 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.13
Current children cumulated vsize (KiB) 908232



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+2.576 s]
/proc/loadavg: 0.94 1.02 1.16 4/89 15099
/proc/meminfo: memFree=1390168/2055920 swapFree=4170192/4192956
[pid=15087] ppid=15085 vsize=923244 CPUtime=4.31
/proc/15087/stat : 15087 (java) R 15085 15087 14417 0 -1 0 17496 0 1 0 422 9 0 0 17 0 12 0 171555881 945401856 13021 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4053870716 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/15087/statm: 230811 13021 2477 14 0 217248 0
[pid=15087/tid=15089] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15089/stat : 15089 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 18 0 12 0 171555884 945401856 13021 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15090] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15090/stat : 15090 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 19 0 12 0 171555884 945401856 13021 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15091] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15091/stat : 15091 (java) S 15085 15087 14417 0 -1 64 6 0 0 0 0 0 0 0 17 0 12 0 171555886 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15092] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15092/stat : 15092 (java) S 15085 15087 14417 0 -1 64 8 0 0 0 0 0 0 0 21 0 12 0 171555887 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15093] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15093/stat : 15093 (java) S 15085 15087 14417 0 -1 64 4 0 0 0 0 0 0 0 22 0 12 0 171555887 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15094] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15094/stat : 15094 (java) S 15085 15087 14417 0 -1 64 0 0 0 0 0 0 0 0 23 0 12 0 171555890 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15095] ppid=15085 vsize=923244 CPUtime=0.01
/proc/15087/task/15095/stat : 15095 (java) S 15085 15087 14417 0 -1 64 1 0 0 0 1 0 0 0 16 0 12 0 171555890 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15096] ppid=15085 vsize=923244 CPUtime=1.36
/proc/15087/task/15096/stat : 15096 (java) R 15085 15087 14417 0 -1 64 5749 0 0 0 135 1 0 0 18 0 12 0 171555890 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4154309928 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15097] ppid=15085 vsize=923244 CPUtime=1.25
/proc/15087/task/15097/stat : 15097 (java) R 15085 15087 14417 0 -1 64 2486 0 0 0 125 0 0 0 17 0 12 0 171555890 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4151169424 0 4 0 23759 0 0 0 -1 1 0 0
[pid=15087/tid=15098] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15098/stat : 15098 (java) S 15085 15087 14417 0 -1 64 2 0 0 0 0 0 0 0 24 0 12 0 171555890 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=15087/tid=15099] ppid=15085 vsize=923244 CPUtime=0
/proc/15087/task/15099/stat : 15099 (java) S 15085 15087 14417 0 -1 64 1 0 0 0 0 0 0 0 15 0 12 0 171555891 945401856 13022 18446744073709551615 134512640 134570532 4294956496 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 4.31
Current children cumulated vsize (KiB) 923244

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

Child status: 143
Real time (s): 2.80075
CPU time (s): 4.73028
CPU user time (s): 4.6253
CPU system time (s): 0.104984
CPU usage (%): 168.893
Max. virtual memory (cumulated for all children) (KiB): 924088

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.6253
system time used= 0.104984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19168
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 717
involuntary context switches= 536

runsolver used 0.013997 s user time and 0.015997 s system time

The end

Launcher Data (download as text)

Begin job on node20 on Mon Jan  8 04:46:53 UTC 2007


IDJOB= 214656
IDBENCH= 4941
FILE ID= node20/214656-1168231613

PBS_JOBID= 3481311

Free space on /tmp= 66556 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/niklas/p2756.xml
COMMAND LINE= java -server -Xmx700M -Xms700M -jar /tmp/evaluation/214656-1168231613/sat4jCSP-bf3-cached.jar /tmp/evaluation/214656-1168231613/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-214656-1168231613 -o ROOT/results/node20/solver-214656-1168231613 -C 1800 -M 900  java -server -Xmx700M -Xms700M -jar /tmp/evaluation/214656-1168231613/sat4jCSP-bf3-cached.jar /tmp/evaluation/214656-1168231613/unknown.xml

META MD5SUM SOLVER= c614762dbe7de46d2af9d7b592545c03
MD5SUM BENCH=  f69d06e7abfe89777df3e5dea6a2adde

RANDOM SEED= 386837215

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		: 3000.216
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		: 3000.216
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:       1433104 kB
Buffers:         24672 kB
Cached:         522768 kB
SwapCached:       2952 kB
Active:          99052 kB
Inactive:       473240 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1433104 kB
SwapTotal:     4192956 kB
SwapFree:      4170192 kB
Dirty:            2860 kB
Writeback:           0 kB
Mapped:          40052 kB
Slab:            35792 kB
Committed_AS:  3465672 kB
PageTables:       2016 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= 66556 MiB



End job on node20 on Mon Jan  8 04:46:58 UTC 2007