Trace number 2075650

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 19.415 19.9268

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-08.xml
MD5SUM85c81568cbfb76e69f1a2bef9e4026a8
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 benchmark6.40203
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size8
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-2075650-1247361856)
15.74/15.99	c Converted in 8231 ms
18.80/19.02	c solving(HOME/instance-2075650-1247361856,1800000)
18.80/19.02	c solving(HOME/instance-2075650-1247361856,1800000)
19.20/19.48	c (ffc_inout)
19.20/19.48	s SATISFIABLE
19.20/19.48	v 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 1 0 1 1 0 0 1 1 1 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 1 0 0 1 0 0 1 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 1 1 1 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 1 1 1 1 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 1 1 0 1 1 0 1 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 1 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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 
19.39/19.91	
19.39/19.91	c Time=3386 ms Backtracks=29
19.39/19.91	

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-2075650-1247361856/watcher-2075650-1247361856 -o /tmp/evaluation-result-2075650-1247361856/solver-2075650-1247361856 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2075650-1247361856 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: 2.08 2.09 1.98 4/81 19805
/proc/meminfo: memFree=1782368/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=18576 CPUtime=0
/proc/19805/stat : 19805 (runsolver) R 19803 19805 16267 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 23251715 19021824 284 996147200 4194304 4302564 548682068528 18446744073709551615 254195330343 0 0 4096 24578 0 0 0 17 1 0 0
/proc/19805/statm: 4644 284 249 26 0 2626 0

[startup+0.046664 s]
/proc/loadavg: 2.08 2.09 1.98 4/81 19805
/proc/meminfo: memFree=1782368/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=62208 CPUtime=0.03
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 1130 0 0 0 2 1 0 0 20 0 1 0 23251715 63700992 843 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 15552 843 174 144 0 15036 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 62208

[startup+0.10167 s]
/proc/loadavg: 2.08 2.09 1.98 4/81 19805
/proc/meminfo: memFree=1782368/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=62208 CPUtime=0.09
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 1248 0 0 0 4 5 0 0 20 0 1 0 23251715 63700992 961 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 15552 961 174 144 0 15036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 62208

[startup+0.301683 s]
/proc/loadavg: 2.08 2.09 1.98 4/81 19805
/proc/meminfo: memFree=1782368/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=62208 CPUtime=0.28
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 1669 0 0 0 12 16 0 0 21 0 1 0 23251715 63700992 1382 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 15552 1382 174 144 0 15036 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 62208

[startup+0.701708 s]
/proc/loadavg: 2.08 2.09 1.98 4/81 19805
/proc/meminfo: memFree=1782368/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=62208 CPUtime=0.67
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 2513 0 0 0 31 36 0 0 25 0 1 0 23251715 63700992 2226 996147200 134512640 135105188 4294956096 18446744073709551615 134599290 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 15552 2226 174 144 0 15036 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 62208

[startup+1.50177 s]
/proc/loadavg: 2.08 2.09 1.98 3/82 19806
/proc/meminfo: memFree=1773272/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=74688 CPUtime=1.46
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 3188 0 0 0 67 79 0 0 25 0 1 0 23251715 76480512 2899 996147200 134512640 135105188 4294956096 18446744073709551615 134603038 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 18672 2899 178 144 0 18156 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 74688

[startup+3.10188 s]
/proc/loadavg: 2.08 2.09 1.98 3/82 19806
/proc/meminfo: memFree=1772504/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=74688 CPUtime=3.05
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 3264 0 0 0 157 148 0 0 25 0 1 0 23251715 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 134676155 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 74688

[startup+6.30112 s]
/proc/loadavg: 2.07 2.09 1.98 3/82 19806
/proc/meminfo: memFree=1771288/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=74688 CPUtime=6.22
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 3264 0 0 0 331 291 0 0 25 0 1 0 23251715 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 74688

[startup+12.7026 s]
/proc/loadavg: 2.07 2.09 1.98 3/82 19806
/proc/meminfo: memFree=1767896/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=74688 CPUtime=12.57
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 3264 0 0 0 669 588 0 0 25 0 1 0 23251715 76480512 2975 996147200 134512640 135105188 4294956096 18446744073709551615 134669658 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 18672 2975 178 144 0 18156 0
Current children cumulated CPU time (s) 12.57
Current children cumulated vsize (KiB) 74688

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

[startup+15.9018 s]
/proc/loadavg: 2.06 2.09 1.98 5/82 19806
/proc/meminfo: memFree=1767704/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=74688 CPUtime=15.74
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 3265 0 0 0 820 754 0 0 25 0 1 0 23251715 76480512 2976 996147200 134512640 135105188 4294956096 18446744073709551615 134669658 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 18672 2976 178 144 0 18156 0
Current children cumulated CPU time (s) 15.74
Current children cumulated vsize (KiB) 74688

[startup+17.5019 s]
/proc/loadavg: 2.06 2.08 1.98 3/82 19806
/proc/meminfo: memFree=1708056/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=147864 CPUtime=17.33
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 18290 0 0 0 967 766 0 0 25 0 1 0 23251715 151412736 17810 996147200 134512640 135105188 4294956096 18446744073709551615 135073558 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 36966 17810 181 144 0 36450 0
Current children cumulated CPU time (s) 17.33
Current children cumulated vsize (KiB) 147864

[startup+19.101 s]
/proc/loadavg: 2.06 2.08 1.98 3/82 19806
/proc/meminfo: memFree=1714392/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=156772 CPUtime=18.9
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 30808 0 0 0 1119 771 0 0 25 0 1 0 23251715 160534528 21548 996147200 134512640 135105188 4294956096 18446744073709551615 134572986 0 0 4096 2 0 0 0 17 1 0 0
/proc/19805/statm: 39193 21548 189 144 0 38677 0
Current children cumulated CPU time (s) 18.9
Current children cumulated vsize (KiB) 156772

[startup+19.5011 s]
/proc/loadavg: 2.06 2.08 1.98 3/82 19806
/proc/meminfo: memFree=1714392/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=167016 CPUtime=19.29
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 30863 0 0 0 1158 771 0 0 25 0 2 0 23251715 171024384 21603 996147200 134512640 135105188 4294956096 18446744073709551615 8025104 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/19805/statm: 41754 21603 193 144 0 41238 0
Current children cumulated CPU time (s) 19.29
Current children cumulated vsize (KiB) 167016

[startup+19.9011 s]
/proc/loadavg: 2.06 2.08 1.98 4/83 19807
/proc/meminfo: memFree=1692816/2055920 swapFree=4192812/4192956
[pid=19805] ppid=19803 vsize=167016 CPUtime=19.39
/proc/19805/stat : 19805 (bprolog) R 19803 19805 16267 0 -1 4194304 30863 0 0 0 1163 776 0 0 25 0 2 0 23251715 171024384 21603 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/19805/statm: 41754 21603 193 144 0 41238 0
[pid=19805/tid=19807] ppid=19803 vsize=167016 CPUtime=0
/proc/19805/task/19807/stat : 19807 (bprolog) S 19803 19805 16267 0 -1 4194368 2 0 0 0 0 0 0 0 16 0 2 0 23253654 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) 19.39
Current children cumulated vsize (KiB) 167016

Child status: 0
Real time (s): 19.9268
CPU time (s): 19.415
CPU user time (s): 11.6342
CPU system time (s): 7.78082
CPU usage (%): 97.4316
Max. virtual memory (cumulated for all children) (KiB): 167016

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.6342
system time used= 7.78082
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= 15395

runsolver used 0.137979 second user time and 0.273958 second system time

The end

Launcher Data

Begin job on node34 at 2009-07-12 03:24:17
IDJOB=2075650
IDBENCH=56332
IDSOLVER=770
FILE ID=node34/2075650-1247361856
PBS_JOBID= 9506848
Free space on /tmp= 66260 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-08.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2075650-1247361856/watcher-2075650-1247361856 -o /tmp/evaluation-result-2075650-1247361856/solver-2075650-1247361856 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2075650-1247361856 1800

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

MD5SUM BENCH= 85c81568cbfb76e69f1a2bef9e4026a8
RANDOM SEED=5088641

node34.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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1782848 kB
Buffers:         21740 kB
Cached:         144112 kB
SwapCached:          0 kB
Active:         180728 kB
Inactive:        42252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1782848 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           13500 kB
Writeback:           0 kB
Mapped:          69792 kB
Slab:            35120 kB
Committed_AS:   213828 kB
PageTables:       1932 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= 66252 MiB
End job on node34 at 2009-07-12 03:24:37