Trace number 1073069

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
bpsolver 2008-06-27SAT 2.76358 2.84626

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-02-02.xml
MD5SUMbce6a7316b7cc84cf09cdd52e0aabc09
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 benchmark1.06084
Satisfiable
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension14493
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c bpsolver version 6.27.2008
0.00/0.02	c converting(HOME/instance-1073069-1215176491)
2.27/2.35	c Converted in 1113 ms
2.27/2.35	c solving(HOME/instance-1073069-1215176491,1800000)
2.66/2.76	c (ffc_inout)
2.66/2.76	s SATISFIABLE
2.66/2.76	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 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2.74/2.84	
2.74/2.84	c Time=393 ms
2.74/2.84

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073069-1215176491/watcher-1073069-1215176491 -o /tmp/evaluation-result-1073069-1215176491/solver-1073069-1215176491 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1073069-1215176491 1800 

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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.10 2.15 2.07 4/72 2605
/proc/meminfo: memFree=1610528/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=3376 CPUtime=0
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 293 0 0 0 0 0 0 0 20 0 1 0 1547316820 3457024 24 996147200 134512640 134990860 4294956096 18446744073709551615 6910756 0 0 4096 0 0 0 0 17 1 0 0
/proc/2605/statm: 844 24 18 116 0 701 0

[startup+0.213108 s]
/proc/loadavg: 2.10 2.15 2.07 4/72 2605
/proc/meminfo: memFree=1610528/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=0.19
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1426 0 0 0 8 11 0 0 21 0 1 0 1547316820 57425920 1139 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1139 174 116 0 13531 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 56080

[startup+0.301118 s]
/proc/loadavg: 2.10 2.15 2.07 4/72 2605
/proc/meminfo: memFree=1610528/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=0.28
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1448 0 0 0 13 15 0 0 21 0 1 0 1547316820 57425920 1161 996147200 134512640 134990860 4294956096 18446744073709551615 7310417 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1161 178 116 0 13531 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 56080

[startup+0.401129 s]
/proc/loadavg: 2.10 2.15 2.07 4/72 2605
/proc/meminfo: memFree=1610528/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=0.38
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1459 0 0 0 18 20 0 0 22 0 1 0 1547316820 57425920 1172 996147200 134512640 134990860 4294956096 18446744073709551615 134586877 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1172 178 116 0 13531 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 56080

[startup+0.701169 s]
/proc/loadavg: 2.10 2.15 2.07 4/72 2605
/proc/meminfo: memFree=1610528/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=0.68
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1472 0 0 0 34 34 0 0 25 0 1 0 1547316820 57425920 1185 996147200 134512640 134990860 4294956096 18446744073709551615 134806048 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1185 178 116 0 13531 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 56080

[startup+1.50127 s]
/proc/loadavg: 2.10 2.15 2.07 3/73 2606
/proc/meminfo: memFree=1605912/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=1.47
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1489 0 0 0 73 74 0 0 25 0 1 0 1547316820 57425920 1202 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1202 178 116 0 13531 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 56080

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

[startup+1.7013 s]
/proc/loadavg: 2.10 2.15 2.07 3/73 2606
/proc/meminfo: memFree=1605912/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56080 CPUtime=1.67
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 1493 0 0 0 83 84 0 0 25 0 1 0 1547316820 57425920 1206 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14020 1206 178 116 0 13531 0
Current children cumulated CPU time (s) 1.67
Current children cumulated vsize (KiB) 56080

[startup+2.50141 s]
/proc/loadavg: 2.10 2.15 2.07 3/73 2606
/proc/meminfo: memFree=1605272/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=56076 CPUtime=2.46
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 2693 0 0 0 125 121 0 0 25 0 1 0 1547316820 57421824 2404 996147200 134512640 134990860 4294956096 18446744073709551615 134570664 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 14019 2404 180 116 0 13530 0
Current children cumulated CPU time (s) 2.46
Current children cumulated vsize (KiB) 56076

[startup+2.70144 s]
/proc/loadavg: 2.10 2.15 2.07 3/73 2606
/proc/meminfo: memFree=1605272/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=70176 CPUtime=2.66
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 4828 0 0 0 144 122 0 0 25 0 1 0 1547316820 71860224 4536 996147200 134512640 134990860 4294956096 18446744073709551615 134668596 0 0 4096 2 0 0 0 17 1 0 0
/proc/2605/statm: 17544 4536 186 116 0 17055 0
Current children cumulated CPU time (s) 2.66
Current children cumulated vsize (KiB) 70176

[startup+2.80144 s]
/proc/loadavg: 2.10 2.15 2.07 3/73 2606
/proc/meminfo: memFree=1605272/2055920 swapFree=4095080/4192956
[pid=2605] ppid=2603 vsize=80420 CPUtime=2.74
/proc/2605/stat : 2605 (bprolog) R 2603 2605 898 0 -1 4194304 4835 0 0 0 151 123 0 0 25 0 2 0 1547316820 82350080 4543 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/2605/statm: 20105 4543 191 116 0 19616 0
Current children cumulated CPU time (s) 2.74
Current children cumulated vsize (KiB) 80420

Child status: 0
Real time (s): 2.84626
CPU time (s): 2.76358
CPU user time (s): 1.52177
CPU system time (s): 1.24181
CPU usage (%): 97.0949
Max. virtual memory (cumulated for all children) (KiB): 80420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.52177
system time used= 1.24181
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4836
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= 4
involuntary context switches= 2898

runsolver used 0.017997 second user time and 0.053991 second system time

The end

Launcher Data (download as text)

Begin job on node40 at 2008-07-04 15:01:31
IDJOB=1073069
IDBENCH=56315
IDSOLVER=347
FILE ID=node40/1073069-1215176491
PBS_JOBID= 7881484
Free space on /tmp= 66544 MiB

SOLVER NAME= bpsolver 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-02.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073069-1215176491/watcher-1073069-1215176491 -o /tmp/evaluation-result-1073069-1215176491/solver-1073069-1215176491 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1073069-1215176491 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= bce6a7316b7cc84cf09cdd52e0aabc09
RANDOM SEED=184904153

node40.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		: 3000.209
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		: 3000.209
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:       1611008 kB
Buffers:         51224 kB
Cached:         231684 kB
SwapCached:      91976 kB
Active:         296176 kB
Inactive:       104724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1611008 kB
SwapTotal:     4192956 kB
SwapFree:      4095080 kB
Dirty:            3556 kB
Writeback:           0 kB
Mapped:         125328 kB
Slab:            29048 kB
Committed_AS:  3121092 kB
PageTables:       2168 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= 66540 MiB
End job on node40 at 2008-07-04 15:01:34