Trace number 2673959

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 NameAnswerobjective functionCPU timeWall clock time
PBPASSolver 2010-06-13? (MO) 25.47 25.5136

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/web/www.nlsde.buaa.edu.cn/
~kexu/benchmarks/frb40-19-opb/normalized-frb40-19-4.opb
MD5SUM7262f9f4ab1a3ada75b3b140acf97f7d
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark-35
Best CPU time to get the best result obtained on this benchmark1789.94
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -40
Optimality of the best value was proved NO
Number of variables760
Total number of constraints41605
Number of constraints which are clauses41605
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint2
Number of terms in the objective function 760
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 760
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 760
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data


Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2673959-1276798765/watcher-2673959-1276798765 -o /tmp/evaluation-result-2673959-1276798765/solver-2673959-1276798765 -C 1800 -W 2000 -M 1800 run HOME/instance-2673959-1276798765.opb 

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): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.03 1.00 1.00 3/106 24511
/proc/meminfo: memFree=1845844/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0

[startup+0.0170561 s]
/proc/loadavg: 1.03 1.00 1.00 3/106 24511
/proc/meminfo: memFree=1845844/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.10275 s]
/proc/loadavg: 1.03 1.00 1.00 3/106 24511
/proc/meminfo: memFree=1845844/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.300749 s]
/proc/loadavg: 1.03 1.00 1.00 3/106 24511
/proc/meminfo: memFree=1845844/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700746 s]
/proc/loadavg: 1.03 1.00 1.00 3/106 24511
/proc/meminfo: memFree=1845844/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50074 s]
/proc/loadavg: 1.03 1.00 1.00 2/108 24514
/proc/meminfo: memFree=1623000/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=326852 CPUtime=1.47
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 81171 0 0 0 63 84 0 0 20 0 1 0 21167153 334696448 81109 1992294400 134512640 134902295 4286951936 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 81713 81112 256 96 0 80925 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 335552

[startup+3.10073 s]
/proc/loadavg: 1.03 1.00 1.00 2/108 24516
/proc/meminfo: memFree=1406992/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=617604 CPUtime=3.07
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 153868 0 0 0 142 165 0 0 25 0 1 0 21167153 632426496 153805 1992294400 134512640 134902295 4286951936 18446744073709551615 134586919 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 154401 153808 256 96 0 153613 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 626304

[startup+6.30171 s]
/proc/loadavg: 1.03 1.00 1.00 2/108 24516
/proc/meminfo: memFree=870320/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=1104068 CPUtime=6.27
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 275488 0 0 0 336 291 0 0 25 0 1 0 21167153 1130565632 275425 1992294400 134512640 134902295 4286951936 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 276017 275425 256 96 0 275229 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 1112768

[startup+12.7007 s]
/proc/loadavg: 1.03 1.00 1.00 2/108 24516
/proc/meminfo: memFree=163024/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=1695192 CPUtime=12.67
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 424915 0 0 0 824 443 0 0 25 0 1 0 21167153 1735876608 423172 1992294400 134512640 134902295 4286951936 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 423798 423172 260 96 0 423010 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 1703892



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.5006 s]
/proc/loadavg: 1.02 1.00 1.00 2/108 24516
/proc/meminfo: memFree=10380/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=1835456 CPUtime=25.47
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 459926 0 0 0 2090 457 0 0 25 0 1 0 21167153 1879506944 458183 1992294400 134512640 134902295 4286951936 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 458864 458183 261 96 0 458076 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 1844156

Sending SIGTERM to process tree (bottom up)

[startup+25.5006 s]
/proc/loadavg: 1.02 1.00 1.00 2/108 24516
/proc/meminfo: memFree=10380/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=1835456 CPUtime=25.47
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 459926 0 0 0 2090 457 0 0 25 0 1 0 21167153 1879506944 458183 1992294400 134512640 134902295 4286951936 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 458864 458183 261 96 0 458076 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 1844156
Sleeping 2 seconds

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

[startup+25.5006 s]
/proc/loadavg: 1.02 1.00 1.00 2/108 24516
/proc/meminfo: memFree=10380/2059040 swapFree=4140764/4192956
[pid=24511] ppid=24509 vsize=8700 CPUtime=0
/proc/24511/stat : 24511 (run) S 24509 24511 24456 0 -1 4202496 388 134 0 0 0 0 0 0 23 0 1 0 21167153 8908800 250 1992294400 4194304 4922060 140735377971728 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/24511/statm: 2175 250 211 178 0 68 0
[pid=24513] ppid=24511 vsize=1835456 CPUtime=25.47
/proc/24513/stat : 24513 (PBPASSolver) R 24511 24511 24456 0 -1 4202496 459926 0 0 0 2090 457 0 0 25 0 1 0 21167153 1879506944 458183 1992294400 134512640 134902295 4286951936 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 0 0 0 0
/proc/24513/statm: 458864 458183 261 96 0 458076 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 1844156

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 24511 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=1999
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=999
# CPU time returned by wait4() is 0.002998
# while last known CPU time is 25.47
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 25.5136
CPU time (s): 25.47
CPU user time (s): 20.9
CPU system time (s): 4.57
CPU usage (%): 99.8291
Max. virtual memory (cumulated for all children) (KiB): 1844156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.001999
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 522
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= 3
involuntary context switches= 3

runsolver used 0.045993 second user time and 0.140978 second system time

The end

Launcher Data 

Begin job on node059 at 2010-06-17 20:19:25
IDJOB=2673959
IDBENCH=2244
IDSOLVER=1174
FILE ID=node059/2673959-1276798765
PBS_JOBID= 11176640
Free space on /tmp= 62552 MiB

SOLVER NAME= PBPASSolver 2010-06-13
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/web/www.nlsde.buaa.edu.cn/~kexu/benchmarks/frb40-19-opb/normalized-frb40-19-4.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2673959-1276798765/watcher-2673959-1276798765 -o /tmp/evaluation-result-2673959-1276798765/solver-2673959-1276798765 -C 1800 -W 2000 -M 1800  run HOME/instance-2673959-1276798765.opb

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

MD5SUM BENCH= 7262f9f4ab1a3ada75b3b140acf97f7d
RANDOM SEED=1669622355

node059.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.244
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
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		: 3000.244
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1846248 kB
Buffers:         46376 kB
Cached:          77576 kB
SwapCached:       4188 kB
Active:          28032 kB
Inactive:       107236 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1846248 kB
SwapTotal:     4192956 kB
SwapFree:      4140764 kB
Dirty:            1612 kB
Writeback:           0 kB
AnonPages:       11276 kB
Mapped:          12992 kB
Slab:            55456 kB
PageTables:       3992 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180848 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62552 MiB
End job on node059 at 2010-06-17 20:19:52