Trace number 2674894

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) 12.49 12.5145

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/
normalized-factor-sizeN=180-sizeP=91-sizeQ=180-348768554.opb
MD5SUMb1249706e628878b014787592bd6d20f
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark4.43432
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1
Optimality of the best value was proved YES
Number of variables16651
Total number of constraints49141
Number of constraints which are clauses49140
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint16380
Number of terms in the objective function 91
Biggest coefficient in the objective function 1237940039285380274899124224
Number of bits for the biggest coefficient in the objective function 91
Sum of the numbers in the objective function 2475880078570760549798248447
Number of bits of the sum of numbers in the objective function 91
Biggest number in a constraint 948568795032094272909893509191171341133987714380927500611236528192824358010355712
Number of bits of the biggest number in a constraint 270
Biggest sum of numbers in a constraint 3794275180128377091639574036119569691105961065265835810055117519795943319408340779
Number of bits of the biggest sum of numbers271
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

12.49/12.50	c 16651 49141 0 0 0 0 0 0

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-2674894-1276804646/watcher-2674894-1276804646 -o /tmp/evaluation-result-2674894-1276804646/solver-2674894-1276804646 -C 1800 -W 2000 -M 1800 run HOME/instance-2674894-1276804646.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: 1.07 1.03 1.00 3/105 25420
/proc/meminfo: memFree=1872588/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0

[startup+0.050639 s]
/proc/loadavg: 1.07 1.03 1.00 3/105 25420
/proc/meminfo: memFree=1872588/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.100643 s]
/proc/loadavg: 1.07 1.03 1.00 3/105 25420
/proc/meminfo: memFree=1872588/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.300665 s]
/proc/loadavg: 1.07 1.03 1.00 3/105 25420
/proc/meminfo: memFree=1872588/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700709 s]
/proc/loadavg: 1.07 1.03 1.00 3/105 25420
/proc/meminfo: memFree=1872588/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.5008 s]
/proc/loadavg: 1.07 1.03 1.00 2/107 25423
/proc/meminfo: memFree=1649744/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
[pid=25422] ppid=25420 vsize=326628 CPUtime=1.49
/proc/25422/stat : 25422 (PBPASSolver) R 25420 25420 25024 0 -1 4202496 81132 0 0 0 64 85 0 0 25 0 1 0 21758314 334467072 81070 1992294400 134512640 134902295 4290749360 18446744073709551615 4294960144 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/25422/statm: 81657 81074 256 96 0 80869 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 335328

[startup+3.10097 s]
/proc/loadavg: 1.07 1.03 1.00 2/107 25423
/proc/meminfo: memFree=1433860/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
[pid=25422] ppid=25420 vsize=617380 CPUtime=3.09
/proc/25422/stat : 25422 (PBPASSolver) R 25420 25420 25024 0 -1 4202496 153771 0 0 0 143 166 0 0 25 0 1 0 21758314 632197120 153709 1992294400 134512640 134902295 4290749360 18446744073709551615 4294960144 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/25422/statm: 154345 153709 256 96 0 153557 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 626080

[startup+6.30133 s]
/proc/loadavg: 1.07 1.03 1.00 2/107 25423
/proc/meminfo: memFree=896072/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
[pid=25422] ppid=25420 vsize=1104772 CPUtime=6.29
/proc/25422/stat : 25422 (PBPASSolver) R 25420 25420 25024 0 -1 4202496 275640 0 0 0 334 295 0 0 25 0 1 0 21758314 1131286528 275578 1992294400 134512640 134902295 4290749360 18446744073709551615 4294960144 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/25422/statm: 276193 275585 256 96 0 275405 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1113472



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+12.501 s]
/proc/loadavg: 1.06 1.03 1.00 2/107 25423
/proc/meminfo: memFree=31172/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
[pid=25422] ppid=25420 vsize=1841092 CPUtime=12.49
/proc/25422/stat : 25422 (PBPASSolver) R 25420 25420 25024 0 -1 4202496 459760 0 0 0 762 487 0 0 25 0 1 0 21758314 1885278208 459698 1992294400 134512640 134902295 4290749360 18446744073709551615 4294960144 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/25422/statm: 460273 459698 256 96 0 459485 0
Current children cumulated CPU time (s) 12.49
Current children cumulated vsize (KiB) 1849792

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+12.501 s]
/proc/loadavg: 1.06 1.03 1.00 2/107 25423
/proc/meminfo: memFree=31172/2059040 swapFree=4136384/4192956
[pid=25420] ppid=25418 vsize=8700 CPUtime=0
/proc/25420/stat : 25420 (run) S 25418 25420 25024 0 -1 4202496 391 134 0 0 0 0 0 0 25 0 1 0 21758314 8908800 251 1992294400 4194304 4922060 140735664517744 18446744073709551615 219595512965 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/25420/statm: 2175 251 211 178 0 68 0
[pid=25422] ppid=25420 vsize=1841092 CPUtime=12.49
/proc/25422/stat : 25422 (PBPASSolver) R 25420 25420 25024 0 -1 4202496 459760 0 0 0 762 487 0 0 25 0 1 0 21758314 1885278208 459698 1992294400 134512640 134902295 4290749360 18446744073709551615 4294960144 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/25422/statm: 460273 459698 256 96 0 459485 0
Current children cumulated CPU time (s) 12.49
Current children cumulated vsize (KiB) 1849792

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 25420 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=999
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=1999
# CPU time returned by wait4() is 0.002998
# while last known CPU time is 12.49
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 12.5145
CPU time (s): 12.49
CPU user time (s): 7.62
CPU system time (s): 4.87
CPU usage (%): 99.8042
Max. virtual memory (cumulated for all children) (KiB): 1849792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.000999
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 525
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 0.023996 second user time and 0.074988 second system time

The end

Launcher Data 

Begin job on node086 at 2010-06-17 21:57:26
IDJOB=2674894
IDBENCH=3049
IDSOLVER=1174
FILE ID=node086/2674894-1276804646
PBS_JOBID= 11176662
Free space on /tmp= 62572 MiB

SOLVER NAME= PBPASSolver 2010-06-13
BENCH NAME= PB06/final/normalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/normalized-factor-sizeN=180-sizeP=91-sizeQ=180-348768554.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2674894-1276804646/watcher-2674894-1276804646 -o /tmp/evaluation-result-2674894-1276804646/solver-2674894-1276804646 -C 1800 -W 2000 -M 1800  run HOME/instance-2674894-1276804646.opb

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

MD5SUM BENCH= b1249706e628878b014787592bd6d20f
RANDOM SEED=2049817808

node086.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	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1873108 kB
Buffers:         19976 kB
Cached:          89248 kB
SwapCached:       9452 kB
Active:          61228 kB
Inactive:        60268 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1873108 kB
SwapTotal:     4192956 kB
SwapFree:      4136384 kB
Dirty:            2708 kB
Writeback:           8 kB
AnonPages:       10876 kB
Mapped:           9148 kB
Slab:            42628 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182148 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= 62572 MiB
End job on node086 at 2010-06-17 21:57:41