Trace number 2682167

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 fixed? (MO) 77.5162 77.6553

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/
miplib2003/normalized-mps-v2-20-10-ds.opb
MD5SUM7478f253a8ff3e29c2a001743623a20c
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 764056
Optimality of the best value was proved NO
Number of variables1354640
Total number of constraints656
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 constraints656
Minimum length of a constraint640
Maximum length of a constraint129180
Number of terms in the objective function 1354640
Biggest coefficient in the objective function 1732247552
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 49715233983525
Number of bits of the sum of numbers in the objective function 46
Biggest number in a constraint 1732247552
Number of bits of the biggest number in a constraint 31
Biggest sum of numbers in a constraint 49715233983525
Number of bits of the biggest sum of numbers46
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
75.56/75.67	c constraints 656/0 clauses 0/0 units 0
75.56/75.67	c vars 1354640
75.56/75.69	c objective 1354640 + 0
77.36/77.50	s UNKNOWN

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-2682167-1277488995/watcher-2682167-1277488995 -o /tmp/evaluation-result-2682167-1277488995/solver-2682167-1277488995 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682167-1277488995.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: 1.30 1.06 0.98 2/106 24628
/proc/meminfo: memFree=1459600/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=2416 CPUtime=0
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 296 0 0 0 0 0 0 0 20 0 1 0 124503003 2473984 215 1992294400 134512640 136421960 4293129088 18446744073709551615 135380492 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 604 217 138 467 0 135 0

[startup+0.0860009 s]
/proc/loadavg: 1.30 1.06 0.98 2/106 24628
/proc/meminfo: memFree=1459600/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=6380 CPUtime=0.08
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 1281 0 0 0 8 0 0 0 20 0 1 0 124503003 6533120 956 1992294400 134512640 136421960 4293129088 18446744073709551615 135818247 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 1595 956 138 467 0 1126 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6380

[startup+0.100001 s]
/proc/loadavg: 1.30 1.06 0.98 2/106 24628
/proc/meminfo: memFree=1459600/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=5864 CPUtime=0.09
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 1332 0 0 0 9 0 0 0 20 0 1 0 124503003 6004736 878 1992294400 134512640 136421960 4293129088 18446744073709551615 135372657 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 1466 878 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.300005 s]
/proc/loadavg: 1.30 1.06 0.98 2/106 24628
/proc/meminfo: memFree=1459600/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=10152 CPUtime=0.29
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 3035 0 0 0 28 1 0 0 20 0 1 0 124503003 10395648 2131 1992294400 134512640 136421960 4293129088 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 2538 2131 138 467 0 2069 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10152

[startup+0.700011 s]
/proc/loadavg: 1.30 1.06 0.98 2/106 24628
/proc/meminfo: memFree=1459600/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=30756 CPUtime=0.69
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 9276 0 0 0 66 3 0 0 21 0 1 0 124503003 31494144 5294 1992294400 134512640 136421960 4293129088 18446744073709551615 135378060 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 7689 5294 138 467 0 7220 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 30756

[startup+1.50002 s]
/proc/loadavg: 1.30 1.06 0.98 2/107 24629
/proc/meminfo: memFree=1434296/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=59416 CPUtime=1.49
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 18858 0 0 0 142 7 0 0 23 0 1 0 124503003 60841984 10777 1992294400 134512640 136421960 4293129088 18446744073709551615 135378074 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 14854 10777 138 467 0 14385 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59416

[startup+3.10005 s]
/proc/loadavg: 1.30 1.06 0.98 2/107 24629
/proc/meminfo: memFree=1408876/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=116736 CPUtime=3.09
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 38016 0 0 0 295 14 0 0 25 0 1 0 124503003 119537664 21740 1992294400 134512640 136421960 4293129088 18446744073709551615 135809630 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 29184 21740 138 467 0 28715 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 116736

[startup+6.3011 s]
/proc/loadavg: 1.27 1.06 0.98 2/107 24629
/proc/meminfo: memFree=1371428/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=119564 CPUtime=6.29
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 39835 0 0 0 614 15 0 0 25 0 1 0 124503003 122433536 23430 1992294400 134512640 136421960 4293129088 18446744073709551615 135159031 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 29891 23430 144 467 0 29422 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 119564

[startup+12.7002 s]
/proc/loadavg: 1.25 1.06 0.98 2/107 24629
/proc/meminfo: memFree=1263052/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=267780 CPUtime=12.69
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 73669 0 0 0 1236 33 0 0 25 0 1 0 124503003 274206720 53781 1992294400 134512640 136421960 4293129088 18446744073709551615 135372664 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 66945 53781 144 467 0 66476 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 267780

[startup+25.5004 s]
/proc/loadavg: 1.27 1.07 0.98 2/107 24629
/proc/meminfo: memFree=1008232/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=563012 CPUtime=25.48
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 142769 0 0 0 2484 64 0 0 25 0 1 0 124503003 576524288 115339 1992294400 134512640 136421960 4293129088 18446744073709551615 135377224 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 140753 115339 144 467 0 140284 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 563012

[startup+51.1008 s]
/proc/loadavg: 1.18 1.07 0.98 2/107 24631
/proc/meminfo: memFree=534676/2059040 swapFree=4139960/4192956
[pid=24628] ppid=24626 vsize=1133196 CPUtime=51.07
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 283851 0 0 0 4980 127 0 0 25 0 1 0 124503003 1160392704 234650 1992294400 134512640 136421960 4293129088 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/24628/statm: 283299 234651 144 467 0 282830 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 1133196



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+77.5003 s]
/proc/loadavg: 1.19 1.08 0.99 2/107 24631
/proc/meminfo: memFree=9348/2059040 swapFree=4139124/4192956
[pid=24628] ppid=24626 vsize=1844796 CPUtime=77.36
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4202496 455486 0 0 0 7531 205 0 0 18 0 1 0 124503003 1889071104 389086 1992294400 134512640 136421960 4293129088 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 7
/proc/24628/statm: 461199 389087 192 467 0 460730 0
Current children cumulated CPU time (s) 77.36
Current children cumulated vsize (KiB) 1844796

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

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

[startup+77.6083 s]
/proc/loadavg: 1.19 1.08 0.99 2/107 24631
/proc/meminfo: memFree=9348/2059040 swapFree=4139124/4192956
[pid=24628] ppid=24626 vsize=0 CPUtime=77.46
/proc/24628/stat : 24628 (pbct) R 24626 24628 23625 0 -1 4194308 455497 0 0 0 7531 215 0 0 18 0 1 0 124503003 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 7
/proc/24628/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 77.46
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 77.6553
CPU time (s): 77.5162
CPU user time (s): 75.3185
CPU system time (s): 2.19767
CPU usage (%): 99.8209
Max. virtual memory (cumulated for all children) (KiB): 1844796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 75.3185
system time used= 2.19766
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 455497
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= 623

runsolver used 0.137979 second user time and 0.420936 second system time

The end

Launcher Data 

Begin job on node010 at 2010-06-25 20:03:34
IDJOB=2682167
IDBENCH=2520
IDSOLVER=1192
FILE ID=node010/2682167-1277488995
PBS_JOBID= 11190526
Free space on /tmp= 62104 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/miplib2003/normalized-mps-v2-20-10-ds.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682167-1277488995/watcher-2682167-1277488995 -o /tmp/evaluation-result-2682167-1277488995/solver-2682167-1277488995 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682167-1277488995.opb

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

MD5SUM BENCH= 7478f253a8ff3e29c2a001743623a20c
RANDOM SEED=494774938

node010.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		: 3000.267
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	: 6000.53
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		: 3000.267
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1459872 kB
Buffers:         56716 kB
Cached:         434300 kB
SwapCached:       5536 kB
Active:         362552 kB
Inactive:       141572 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1459872 kB
SwapTotal:     4192956 kB
SwapFree:      4139960 kB
Dirty:          225144 kB
Writeback:           0 kB
AnonPages:       11636 kB
Mapped:          11796 kB
Slab:            72820 kB
PageTables:       4152 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183972 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= 62100 MiB
End job on node010 at 2010-06-25 20:04:53