Trace number 2086830

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
Concrete 2009-07-14UNSAT 1.16582 1.18866

DiagnosticValue
CHECKS240
NODES0

General information on the benchmark

Namecsp/langford4/
normalized-langford-4-3.xml
MD5SUMaa253ebcb4b244774c05961391955ab9
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.008998
Satisfiable
(Un)Satisfiability was proved
Number of variables12
Number of constraints75
Maximum constraint arity2
Maximum domain size12
Number of constraints which are defined in extension0
Number of constraints which are defined in intension75
Global constraints used (with number of constraints)

Solver Data 

1.07/1.12	c CPU-LOAD 0.5
1.07/1.12	c LOADED 12 V (12 E), 66 ExtensionConstraint2D, arity 2, 0.5 cpu
1.07/1.17	s UNSATISFIABLE
1.07/1.17	d NODES 0
1.07/1.17	d CHECKS 240
1.07/1.17	c prepro-constraint-ccks: 0
1.07/1.17	c prepro-constraint-presenceccks: 0
1.07/1.17	c prepro-cpu: 0.0
1.07/1.17	c prepro-matrix2d-ccks: 240
1.07/1.17	c prepro-matrix2d-presenceccks: 0
1.07/1.17	c prepro-removed: 96
1.07/1.17	c total-assgn: 0
1.07/1.17	c total-constraint-ccks: 0
1.07/1.17	c total-constraint-presence-ccks: 0
1.07/1.17	c total-cpu: 0.03
1.07/1.17	c total-matrix2d-ccks: 240
1.07/1.17	c total-matrix2d-presence-ccks: 0
1.07/1.17	c TOTAL-NODES 0
1.07/1.17	c TOTAL-CPU 0.03

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2086830-1247726862/watcher-2086830-1247726862 -o /tmp/evaluation-result-2086830-1247726862/solver-2086830-1247726862 -C 1800 -W 2000 -M 900 HOME/concrete.sh -c HOME/instance-2086830-1247726862.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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


[startup+0 s]
/proc/loadavg: 2.02 2.07 2.08 4/81 12150
/proc/meminfo: memFree=1666632/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) R 12148 12150 11751 0 -1 4194304 321 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276849311 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=5356 CPUtime=0
/proc/12154/stat : 12154 (concrete.sh) R 12150 12150 11751 0 -1 4194368 14 0 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 4355544 0 0 4096 0 0 0 0 17 1 0 0
/proc/12154/statm: 1339 244 201 169 0 50 0

[startup+0.0675961 s]
/proc/loadavg: 2.02 2.07 2.08 4/81 12150
/proc/meminfo: memFree=1666632/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) S 12148 12150 11751 0 -1 4194304 341 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276847428 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=840652 CPUtime=0.04
/proc/12154/stat : 12154 (java) S 12150 12150 11751 0 -1 0 2730 0 1 0 3 1 0 0 19 0 6 0 59748790 860827648 2274 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/12154/statm: 210163 2274 1392 9 0 204657 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 846008

[startup+0.1016 s]
/proc/loadavg: 2.02 2.07 2.08 4/81 12150
/proc/meminfo: memFree=1666632/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) S 12148 12150 11751 0 -1 4194304 341 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276847428 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=843976 CPUtime=0.07
/proc/12154/stat : 12154 (java) S 12150 12150 11751 0 -1 0 3543 0 1 0 6 1 0 0 19 0 9 0 59748790 864231424 3016 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/12154/statm: 210994 3016 1648 9 0 205486 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 849332

[startup+0.301621 s]
/proc/loadavg: 2.02 2.07 2.08 4/81 12150
/proc/meminfo: memFree=1666632/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) S 12148 12150 11751 0 -1 4194304 341 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276847428 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=847296 CPUtime=0.28
/proc/12154/stat : 12154 (java) S 12150 12150 11751 0 -1 0 4986 0 1 0 26 2 0 0 19 0 9 0 59748790 867631104 4340 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/12154/statm: 211824 4340 1779 9 0 206316 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 852652

[startup+0.701668 s]
/proc/loadavg: 2.02 2.07 2.08 4/81 12150
/proc/meminfo: memFree=1666632/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) S 12148 12150 11751 0 -1 4194304 341 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276847428 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=847476 CPUtime=0.67
/proc/12154/stat : 12154 (java) S 12150 12150 11751 0 -1 0 6053 0 1 0 64 3 0 0 19 0 9 0 59748790 867815424 5327 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 25189583 18446744073709551615 0 0 17 0 0 0
/proc/12154/statm: 211869 5327 1982 9 0 206347 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 852832

Solver just ended. Dumping a history of the last processes samples

[startup+1.10672 s]
/proc/loadavg: 2.02 2.07 2.08 3/92 12164
/proc/meminfo: memFree=1651440/2055920 swapFree=4191904/4192956
[pid=12150] ppid=12148 vsize=5356 CPUtime=0
/proc/12150/stat : 12150 (concrete.sh) S 12148 12150 11751 0 -1 4194304 341 291 0 0 0 0 0 0 17 0 1 0 59748790 5484544 244 996147200 4194304 4889804 548682068816 18446744073709551615 244276847428 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/12150/statm: 1339 244 201 169 0 50 0
[pid=12154] ppid=12150 vsize=848756 CPUtime=1.07
/proc/12154/stat : 12154 (java) S 12150 12150 11751 0 -1 0 6658 0 1 0 103 4 0 0 19 0 9 0 59748790 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 25189583 18446744073709551615 0 0 17 0 0 0
/proc/12154/statm: 212189 5888 2053 9 0 206667 0
[pid=12154/tid=12156] ppid=12150 vsize=848756 CPUtime=0.72
/proc/12154/task/12156/stat : 12156 (java) R 12150 12150 11751 0 -1 64 4094 0 1 0 70 2 0 0 25 0 9 0 59748791 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 102242831 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12157] ppid=12150 vsize=848756 CPUtime=0.04
/proc/12154/task/12157/stat : 12157 (java) S 12150 12150 11751 0 -1 64 461 0 0 0 4 0 0 0 16 0 9 0 59748793 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 0 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12158] ppid=12150 vsize=848756 CPUtime=0
/proc/12154/task/12158/stat : 12158 (java) S 12150 12150 11751 0 -1 64 13 0 0 0 0 0 0 0 16 0 9 0 59748793 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12159] ppid=12150 vsize=848756 CPUtime=0
/proc/12154/task/12159/stat : 12159 (java) S 12150 12150 11751 0 -1 64 4 0 0 0 0 0 0 0 15 0 9 0 59748793 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12160] ppid=12150 vsize=848756 CPUtime=0
/proc/12154/task/12160/stat : 12160 (java) S 12150 12150 11751 0 -1 64 0 0 0 0 0 0 0 0 24 0 9 0 59748795 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12161] ppid=12150 vsize=848756 CPUtime=0.29
/proc/12154/task/12161/stat : 12161 (java) S 12150 12150 11751 0 -1 64 1401 0 0 0 28 1 0 0 16 0 9 0 59748798 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12162] ppid=12150 vsize=848756 CPUtime=0
/proc/12154/task/12162/stat : 12162 (java) S 12150 12150 11751 0 -1 64 1 0 0 0 0 0 0 0 25 0 9 0 59748798 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
[pid=12154/tid=12163] ppid=12150 vsize=848756 CPUtime=0
/proc/12154/task/12163/stat : 12163 (java) S 12150 12150 11751 0 -1 64 1 0 0 0 0 0 0 0 15 0 9 0 59748798 869126144 5888 996147200 134512640 134550932 4294955408 18446744073709551615 4294960144 0 4 0 25189583 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.07
Current children cumulated vsize (KiB) 854112

Child status: 0
Real time (s): 1.18866
CPU time (s): 1.16582
CPU user time (s): 1.10783
CPU system time (s): 0.057991
CPU usage (%): 98.0786
Max. virtual memory (cumulated for all children) (KiB): 854112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.10783
system time used= 0.057991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8329
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= 1249
involuntary context switches= 1141

runsolver used 0.006998 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node63 at 2009-07-16 08:47:42
IDJOB=2086830
IDBENCH=58648
IDSOLVER=735
FILE ID=node63/2086830-1247726862
PBS_JOBID= 9521553
Free space on /tmp= 66208 MiB

SOLVER NAME= Concrete 2009-06-10
BENCH NAME= CPAI08/csp/langford4/normalized-langford-4-3.xml
COMMAND LINE= HOME/concrete.sh -c BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086830-1247726862/watcher-2086830-1247726862 -o /tmp/evaluation-result-2086830-1247726862/solver-2086830-1247726862 -C 1800 -W 2000 -M 900  HOME/concrete.sh -c HOME/instance-2086830-1247726862.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= aa253ebcb4b244774c05961391955ab9
RANDOM SEED=597564402

node63.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1667112 kB
Buffers:         87400 kB
Cached:         176588 kB
SwapCached:        260 kB
Active:          93652 kB
Inactive:       204184 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1667112 kB
SwapTotal:     4192956 kB
SwapFree:      4191904 kB
Dirty:            1276 kB
Writeback:           0 kB
Mapped:          53744 kB
Slab:            75924 kB
Committed_AS:   565000 kB
PageTables:       1964 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66208 MiB
End job on node63 at 2009-07-16 08:47:43