Trace number 2075562

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 09SAT 19.414 19.9052

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-04.xml
MD5SUM0b0ab2cae40e5a74bbe573d42fb3dcd8
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 benchmark5.9321
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size4
Number of constraints which are defined in extension0
Number of constraints which are defined in intension87036
Global constraints used (with number of constraints)

Solver Data

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2075562-1247361685)
15.73/15.98	c Converted in 7985 ms
18.80/19.00	c solving(HOME/instance-2075562-1247361685,1800000)
18.80/19.00	c solving(HOME/instance-2075562-1247361685,1800000)
19.20/19.46	c (ffc_inout)
19.20/19.46	s SATISFIABLE
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0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 1 1 0 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 0 1 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 1 0 1 0 0 1 1 1 1 0 0 0 0 
19.38/19.89	
19.38/19.89	c Time=3384 ms Backtracks=29
19.38/19.89	

Verifier Data

OK

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2075562-1247361685/watcher-2075562-1247361685 -o /tmp/evaluation-result-2075562-1247361685/solver-2075562-1247361685 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2075562-1247361685 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): 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: 2.00 2.00 2.00 4/74 18694
/proc/meminfo: memFree=1842504/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=7000 CPUtime=0
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 381 0 0 0 0 0 0 0 22 0 1 0 23234726 7168000 99 996147200 134512640 135105188 4294956096 18446744073709551615 134530912 0 0 4096 0 0 0 0 17 1 0 0
/proc/18694/statm: 1750 99 72 144 0 1234 0

[startup+0.148806 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 18694
/proc/meminfo: memFree=1842504/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=62208 CPUtime=0.13
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 1356 0 0 0 6 7 0 0 22 0 1 0 23234726 63700992 1069 996147200 134512640 135105188 4294956096 18446744073709551615 134557023 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 15552 1069 174 144 0 15036 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 62208

[startup+0.202815 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 18694
/proc/meminfo: memFree=1842504/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=62208 CPUtime=0.18
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 1476 0 0 0 8 10 0 0 22 0 1 0 23234726 63700992 1189 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 15552 1189 174 144 0 15036 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 62208

[startup+0.302831 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 18694
/proc/meminfo: memFree=1842504/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=62208 CPUtime=0.28
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 1697 0 0 0 13 15 0 0 23 0 1 0 23234726 63700992 1410 996147200 134512640 135105188 4294956096 18446744073709551615 134557074 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 15552 1410 174 144 0 15036 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 62208

[startup+0.701891 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 18694
/proc/meminfo: memFree=1842504/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=62208 CPUtime=0.68
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 2566 0 0 0 31 37 0 0 25 0 1 0 23234726 63700992 2279 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 15552 2279 174 144 0 15036 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 62208

[startup+1.50201 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1831168/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74688 CPUtime=1.47
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3190 0 0 0 68 79 0 0 25 0 1 0 23234726 76480512 2901 996147200 134512640 135105188 4294956096 18446744073709551615 7803578 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18672 2901 178 144 0 18156 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 74688

[startup+3.10124 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1830464/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74688 CPUtime=3.05
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3264 0 0 0 163 142 0 0 25 0 1 0 23234726 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 134669652 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 74688

[startup+6.3017 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1829256/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74688 CPUtime=6.22
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3264 0 0 0 336 286 0 0 25 0 1 0 23234726 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 74688

[startup+12.7016 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1826760/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74688 CPUtime=12.56
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3264 0 0 0 649 607 0 0 25 0 1 0 23234726 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 134669652 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 74688

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

[startup+12.8017 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1826760/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74688 CPUtime=12.66
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3264 0 0 0 654 612 0 0 25 0 1 0 23234726 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 74688

[startup+16.0011 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1825864/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=74684 CPUtime=15.83
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 3268 0 0 0 801 782 0 0 25 0 1 0 23234726 76476416 2977 996147200 134512640 135105188 4294956096 18446744073709551615 134557590 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 18671 2977 180 144 0 18155 0
Current children cumulated CPU time (s) 15.83
Current children cumulated vsize (KiB) 74684

[startup+17.6014 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1766216/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=147864 CPUtime=17.42
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 18290 0 0 0 953 789 0 0 25 0 1 0 23234726 151412736 17810 996147200 134512640 135105188 4294956096 18446744073709551615 135074232 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 36966 17810 181 144 0 36450 0
Current children cumulated CPU time (s) 17.42
Current children cumulated vsize (KiB) 147864

[startup+19.2016 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1769480/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=156772 CPUtime=19
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 30808 0 0 0 1106 794 0 0 25 0 1 0 23234726 160534528 21548 996147200 134512640 135105188 4294956096 18446744073709551615 134574349 0 0 4096 2 0 0 0 17 1 0 0
/proc/18694/statm: 39193 21548 189 144 0 38677 0
Current children cumulated CPU time (s) 19
Current children cumulated vsize (KiB) 156772

[startup+19.6016 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 18695
/proc/meminfo: memFree=1769480/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=167016 CPUtime=19.29
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 30863 0 0 0 1134 795 0 0 25 0 2 0 23234726 171024384 21603 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/18694/statm: 41754 21603 193 144 0 41238 0
Current children cumulated CPU time (s) 19.29
Current children cumulated vsize (KiB) 167016

[startup+19.8017 s]
/proc/loadavg: 2.00 2.00 2.00 4/76 18696
/proc/meminfo: memFree=1750848/2055920 swapFree=4192812/4192956
[pid=18694] ppid=18692 vsize=167016 CPUtime=19.38
/proc/18694/stat : 18694 (bprolog) R 18692 18694 15144 0 -1 4194304 30863 0 0 0 1137 801 0 0 25 0 2 0 23234726 171024384 21603 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/18694/statm: 41754 21603 193 144 0 41238 0
[pid=18694/tid=18696] ppid=18692 vsize=167016 CPUtime=0
/proc/18694/task/18696/stat : 18696 (bprolog) S 18692 18694 15144 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 23236663 171024384 21603 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 19.38
Current children cumulated vsize (KiB) 167016

Child status: 0
Real time (s): 19.9052
CPU time (s): 19.414
CPU user time (s): 11.3843
CPU system time (s): 8.02978
CPU usage (%): 97.5324
Max. virtual memory (cumulated for all children) (KiB): 167016

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.3843
system time used= 8.02978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 30863
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= 5
involuntary context switches= 15386

runsolver used 0.133979 second user time and 0.25696 second system time

The end

Launcher Data

Begin job on node30 at 2009-07-12 03:21:26
IDJOB=2075562
IDBENCH=56317
IDSOLVER=770
FILE ID=node30/2075562-1247361685
PBS_JOBID= 9506818
Free space on /tmp= 66356 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-04.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2075562-1247361685/watcher-2075562-1247361685 -o /tmp/evaluation-result-2075562-1247361685/solver-2075562-1247361685 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2075562-1247361685 1800

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

MD5SUM BENCH= 0b0ab2cae40e5a74bbe573d42fb3dcd8
RANDOM SEED=1798199044

node30.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		: 3000.277
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		: 3000.277
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:       1842984 kB
Buffers:         18004 kB
Cached:         112420 kB
SwapCached:          0 kB
Active:         135564 kB
Inactive:        31448 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1842984 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           13424 kB
Writeback:           0 kB
Mapped:          47808 kB
Slab:            31232 kB
Committed_AS:   195504 kB
PageTables:       1792 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= 66348 MiB
End job on node30 at 2009-07-12 03:21:46