Trace number 2673980

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) 17.88 17.9157

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-cycle.opb
MD5SUMa4f456875ede4549ae03268180cd603c
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 0
Optimality of the best value was proved NO
Number of variables84737
Total number of constraints1802
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1802
Minimum length of a constraint11
Maximum length of a constraint1470
Number of terms in the objective function 9240
Biggest coefficient in the objective function 53687091200000
Number of bits for the biggest coefficient in the objective function 46
Sum of the numbers in the objective function 1737924154969464
Number of bits of the sum of numbers in the objective function 51
Biggest number in a constraint 48888431614361600
Number of bits of the biggest number in a constraint 56
Biggest sum of numbers in a constraint 779202693141814557
Number of bits of the biggest sum of numbers60
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

17.88/17.90	c 84737 1802 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-2673980-1276799921/watcher-2673980-1276799921 -o /tmp/evaluation-result-2673980-1276799921/solver-2673980-1276799921 -C 1800 -W 2000 -M 1800 run HOME/instance-2673980-1276799921.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: 0.99 0.97 0.98 3/106 18723
/proc/meminfo: memFree=1863668/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0

[startup+0.104131 s]
/proc/loadavg: 0.99 0.97 0.98 3/106 18723
/proc/meminfo: memFree=1863668/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.201147 s]
/proc/loadavg: 0.99 0.97 0.98 3/106 18723
/proc/meminfo: memFree=1863668/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301166 s]
/proc/loadavg: 0.99 0.97 0.98 3/106 18723
/proc/meminfo: memFree=1863668/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701251 s]
/proc/loadavg: 0.99 0.97 0.98 3/106 18723
/proc/meminfo: memFree=1863668/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50139 s]
/proc/loadavg: 0.99 0.97 0.98 2/108 18726
/proc/meminfo: memFree=1695508/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
[pid=18725] ppid=18723 vsize=222532 CPUtime=1.48
/proc/18725/stat : 18725 (PBPASSolver) R 18723 18723 18449 0 -1 4202496 55483 0 0 0 60 88 0 0 25 0 1 0 55595630 227872768 54981 1992294400 134512640 134902295 4290546048 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/18725/statm: 55633 54989 256 96 0 54845 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 231232

[startup+3.10068 s]
/proc/loadavg: 1.07 0.99 0.99 2/108 18726
/proc/meminfo: memFree=1552412/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
[pid=18725] ppid=18723 vsize=425348 CPUtime=3.07
/proc/18725/stat : 18725 (PBPASSolver) R 18723 18723 18449 0 -1 4202496 106212 0 0 0 130 177 0 0 25 0 1 0 55595630 435556352 105711 1992294400 134512640 134902295 4290546048 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/18725/statm: 106337 105718 256 96 0 105549 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 434048

[startup+6.30127 s]
/proc/loadavg: 1.07 0.99 0.99 2/108 18726
/proc/meminfo: memFree=1157844/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
[pid=18725] ppid=18723 vsize=800132 CPUtime=6.28
/proc/18725/stat : 18725 (PBPASSolver) R 18723 18723 18449 0 -1 4202496 199996 0 0 0 291 337 0 0 25 0 1 0 55595630 819335168 199398 1992294400 134512640 134902295 4290546048 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/18725/statm: 200033 199398 256 96 0 199245 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 808832

[startup+12.7015 s]
/proc/loadavg: 1.06 0.99 0.99 2/108 18726
/proc/meminfo: memFree=485392/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
[pid=18725] ppid=18723 vsize=1435972 CPUtime=12.67
/proc/18725/stat : 18725 (PBPASSolver) R 18723 18723 18449 0 -1 4202496 359074 0 0 0 666 601 0 0 25 0 1 0 55595630 1470435328 358284 1992294400 134512640 134902295 4290546048 18446744073709551615 134588399 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/18725/statm: 358993 358284 256 96 0 358205 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 1444672



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+17.9014 s]
/proc/loadavg: 1.06 0.99 0.99 2/108 18726
/proc/meminfo: memFree=24236/2059040 swapFree=4140132/4192956
[pid=18723] ppid=18721 vsize=8700 CPUtime=0
/proc/18723/stat : 18723 (run) S 18721 18723 18449 0 -1 4202496 389 134 0 0 0 0 0 0 19 0 1 0 55595629 8908800 250 1992294400 4194304 4922060 140736112934272 18446744073709551615 211173350533 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/18723/statm: 2175 250 211 178 0 68 0
[pid=18725] ppid=18723 vsize=1840068 CPUtime=17.88
/proc/18725/stat : 18725 (PBPASSolver) R 18723 18723 18449 0 -1 4202496 460138 0 0 0 1016 772 0 0 25 0 1 0 55595630 1884229632 459220 1992294400 134512640 134902295 4290546048 18446744073709551615 134520305 0 0 4096 17608 0 0 0 17 1 0 0 0
/proc/18725/statm: 460017 459228 256 96 0 459229 0
Current children cumulated CPU time (s) 17.88
Current children cumulated vsize (KiB) 1848768

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

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

Child ended because it received signal 15 (SIGTERM)

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 18723 and gives
#  childrusage.ru_utime.tv_sec=0
#  childrusage.ru_utime.tv_usec=0
#  childrusage.ru_stime.tv_sec=0
#  childrusage.ru_stime.tv_usec=3999
# CPU time returned by wait4() is 0.003999
# while last known CPU time is 17.88
#
# Solver probably didn't/couldn't wait for its children
# Using CPU time of the last sample as value...

Real time (s): 17.9157
CPU time (s): 17.88
CPU user time (s): 10.16
CPU system time (s): 7.72
CPU usage (%): 99.8007
Max. virtual memory (cumulated for all children) (KiB): 1848768

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 523
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= 4

runsolver used 0.035994 second user time and 0.096985 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-17 20:38:42
IDJOB=2673980
IDBENCH=2433
IDSOLVER=1174
FILE ID=node007/2673980-1276799921
PBS_JOBID= 11176671
Free space on /tmp= 62480 MiB

SOLVER NAME= PBPASSolver 2010-06-13
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-cycle.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2673980-1276799921/watcher-2673980-1276799921 -o /tmp/evaluation-result-2673980-1276799921/solver-2673980-1276799921 -C 1800 -W 2000 -M 1800  run HOME/instance-2673980-1276799921.opb

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

MD5SUM BENCH= a4f456875ede4549ae03268180cd603c
RANDOM SEED=7393406

node007.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		: 3000.264
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	: 6000.52
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		: 3000.264
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1864188 kB
Buffers:         31128 kB
Cached:          68196 kB
SwapCached:       6616 kB
Active:          16648 kB
Inactive:        96348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1864188 kB
SwapTotal:     4192956 kB
SwapFree:      4140132 kB
Dirty:            8984 kB
Writeback:           0 kB
AnonPages:       12092 kB
Mapped:          13088 kB
Slab:            60144 kB
PageTables:       4028 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182864 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= 62480 MiB
End job on node007 at 2010-06-17 20:39:02