Trace number 2669170

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
PB/CT 0.1? (MO) 26.416 28.5367

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/
miplib2003/normalized-mps-v2-20-10-net12.opb
MD5SUM24a04ed274dd43d443428abf078e95f9
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark214
Best CPU time to get the best result obtained on this benchmark13.9989
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 214
Optimality of the best value was proved YES
Number of variables147395
Total number of constraints26533
Number of constraints which are clauses12
Number of constraints which are cardinality constraints (but not clauses)391
Number of constraints which are nor clauses,nor cardinality constraints26130
Minimum length of a constraint2
Maximum length of a constraint292
Number of terms in the objective function 39
Biggest coefficient in the objective function 20
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 337
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 12288
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 137193
Number of bits of the biggest sum of numbers18
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
1.69/1.74	c constraints 26521/0 clauses 12/0 units 0
1.69/1.74	c vars 147395
1.69/1.74	c objective 39 + 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-2669170-1276437762/watcher-2669170-1276437762 -o /tmp/evaluation-result-2669170-1276437762/solver-2669170-1276437762 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669170-1276437762.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: 0.93 0.95 0.98 3/106 23972
/proc/meminfo: memFree=1811820/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=2340 CPUtime=0
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 289 0 0 0 0 0 0 0 18 0 1 0 19362668 2396160 213 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 585 213 156 482 0 101 0

[startup+0.0406781 s]
/proc/loadavg: 0.93 0.95 0.98 3/106 23972
/proc/meminfo: memFree=1811820/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=3132 CPUtime=0.03
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 477 0 0 0 3 0 0 0 18 0 1 0 19362668 3207168 400 1992294400 134512640 136485738 4289809424 18446744073709551615 134524675 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 783 400 156 482 0 299 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3132

[startup+0.101684 s]
/proc/loadavg: 0.93 0.95 0.98 3/106 23972
/proc/meminfo: memFree=1811820/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=4452 CPUtime=0.09
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 826 0 0 0 9 0 0 0 21 0 1 0 19362668 4558848 749 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 1113 749 156 482 0 629 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4452

[startup+0.300704 s]
/proc/loadavg: 0.93 0.95 0.98 3/106 23972
/proc/meminfo: memFree=1811820/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=8940 CPUtime=0.29
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 1958 0 0 0 28 1 0 0 21 0 1 0 19362668 9154560 1881 1992294400 134512640 136485738 4289809424 18446744073709551615 135848234 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 2235 1881 156 482 0 1751 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8940

[startup+0.700744 s]
/proc/loadavg: 0.93 0.95 0.98 3/106 23972
/proc/meminfo: memFree=1811820/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=18048 CPUtime=0.69
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 4238 0 0 0 68 1 0 0 22 0 1 0 19362668 18481152 4161 1992294400 134512640 136485738 4289809424 18446744073709551615 135848271 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 4512 4161 156 482 0 4028 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18048

[startup+1.50082 s]
/proc/loadavg: 0.93 0.96 0.98 2/107 23973
/proc/meminfo: memFree=1787756/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=38652 CPUtime=1.49
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 9347 0 0 0 145 4 0 0 25 0 1 0 19362668 39579648 9270 1992294400 134512640 136485738 4289809424 18446744073709551615 135411135 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23972/statm: 9663 9271 156 482 0 9179 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 38652

[startup+3.10098 s]
/proc/loadavg: 0.93 0.96 0.98 2/107 23973
/proc/meminfo: memFree=1738900/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=156124 CPUtime=3.09
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 39922 0 0 0 291 18 0 0 25 0 1 0 19362668 159870976 38472 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23972/statm: 39031 38474 198 482 0 38547 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 156124

[startup+6.30131 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 23973
/proc/meminfo: memFree=1472920/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=420208 CPUtime=6.29
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 108849 0 0 0 578 51 0 0 25 0 1 0 19362668 430292992 103166 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23972/statm: 105052 103167 198 482 0 104568 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 420208

[startup+12.7019 s]
/proc/loadavg: 0.94 0.96 0.98 2/107 23973
/proc/meminfo: memFree=961172/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=887244 CPUtime=12.69
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 233102 0 0 0 1159 110 0 0 25 0 1 0 19362668 908537856 219548 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23972/statm: 221811 219548 198 482 0 221327 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 887244

[startup+25.5012 s]
/proc/loadavg: 0.95 0.96 0.98 2/107 23973
/proc/meminfo: memFree=308932/2059040 swapFree=4134520/4192956
[pid=23972] ppid=23970 vsize=1621728 CPUtime=25.48
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4202496 431420 0 0 0 2357 191 0 0 25 0 1 0 19362668 1660649472 403009 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23972/statm: 405432 403014 199 482 0 404948 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1621728



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+26.2023 s]
/proc/loadavg: 0.95 0.96 0.98 2/107 23973
/proc/meminfo: memFree=7912/2059040 swapFree=4134516/4192956
[pid=23972] ppid=23970 vsize=1858404 CPUtime=26.23
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4204544 491590 0 0 0 2401 222 0 0 24 0 1 0 19362668 1903005696 463179 1992294400 134512640 136485738 4289809424 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 11
/proc/23972/statm: 464601 463179 199 482 0 464117 0
Current children cumulated CPU time (s) 26.23
Current children cumulated vsize (KiB) 1858404

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -23972

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

[startup+27.1014 s]
/proc/loadavg: 0.95 0.96 0.98 1/108 23974
/proc/meminfo: memFree=10676/2059040 swapFree=4134516/4192956
[pid=23972] ppid=23970 vsize=1858404 CPUtime=26.23
/proc/23972/stat : 23972 (pbct) S 23970 23972 22114 0 -1 4194304 491591 0 0 0 2401 222 0 0 24 0 1 0 19362668 1903005696 463180 1992294400 134512640 136485738 4289809424 18446744073709551615 135319262 0 16384 4096 16387 18446604437879239680 0 0 17 1 0 0 11
/proc/23972/statm: 464601 463180 199 482 0 464117 0
Current children cumulated CPU time (s) 26.23
Current children cumulated vsize (KiB) 1858404

[startup+27.9015 s]
/proc/loadavg: 0.95 0.96 0.98 1/108 23974
/proc/meminfo: memFree=10676/2059040 swapFree=4134516/4192956
[pid=23972] ppid=23970 vsize=1858404 CPUtime=26.23
/proc/23972/stat : 23972 (pbct) S 23970 23972 22114 0 -1 4194304 491591 0 0 0 2401 222 0 0 24 0 1 0 19362668 1903005696 463180 1992294400 134512640 136485738 4289809424 18446744073709551615 135319262 0 16384 4096 16387 18446604437879239680 0 0 17 1 0 0 11
/proc/23972/statm: 464601 463180 199 482 0 464117 0
Current children cumulated CPU time (s) 26.23
Current children cumulated vsize (KiB) 1858404

[startup+28.3015 s]
/proc/loadavg: 0.95 0.96 0.98 1/108 23974
/proc/meminfo: memFree=10676/2059040 swapFree=4134516/4192956
[pid=23972] ppid=23970 vsize=1858404 CPUtime=26.23
/proc/23972/stat : 23972 (pbct) S 23970 23972 22114 0 -1 4194304 491591 0 0 0 2401 222 0 0 24 0 1 0 19362668 1903005696 463180 1992294400 134512640 136485738 4289809424 18446744073709551615 135319262 0 16384 4096 16387 18446604437879239680 0 0 17 1 0 0 11
/proc/23972/statm: 464601 463180 199 482 0 464117 0
Current children cumulated CPU time (s) 26.23
Current children cumulated vsize (KiB) 1858404

[startup+28.5015 s]
/proc/loadavg: 0.95 0.96 0.98 1/108 23974
/proc/meminfo: memFree=10676/2059040 swapFree=4134516/4192956
[pid=23972] ppid=23970 vsize=0 CPUtime=26.37
/proc/23972/stat : 23972 (pbct) R 23970 23972 22114 0 -1 4195332 491591 0 0 0 2401 236 0 0 18 0 1 0 19362668 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 11
/proc/23972/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 26.37
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 28.5367
CPU time (s): 26.416
CPU user time (s): 24.0113
CPU system time (s): 2.40463
CPU usage (%): 92.5685
Max. virtual memory (cumulated for all children) (KiB): 1858404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.0113
system time used= 2.40463
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491591
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= 4
involuntary context switches= 119

runsolver used 0.055991 second user time and 0.163975 second system time

The end

Launcher Data 

Begin job on node017 at 2010-06-13 16:02:43
IDJOB=2669170
IDBENCH=1876
IDSOLVER=1170
FILE ID=node017/2669170-1276437762
PBS_JOBID= 11173309
Free space on /tmp= 62364 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/miplib2003/normalized-mps-v2-20-10-net12.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669170-1276437762/watcher-2669170-1276437762 -o /tmp/evaluation-result-2669170-1276437762/solver-2669170-1276437762 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669170-1276437762.opb

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

MD5SUM BENCH= 24a04ed274dd43d443428abf078e95f9
RANDOM SEED=753395010

node017.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		: 3000.201
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	: 6000.40
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		: 3000.201
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	: 5599.51
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1812340 kB
Buffers:         37080 kB
Cached:         131992 kB
SwapCached:      11708 kB
Active:         102732 kB
Inactive:        80308 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1812340 kB
SwapTotal:     4192956 kB
SwapFree:      4134520 kB
Dirty:            7844 kB
Writeback:           0 kB
AnonPages:       12432 kB
Mapped:           9228 kB
Slab:            42000 kB
PageTables:       3972 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183348 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= 62360 MiB
End job on node017 at 2010-06-13 16:03:11