Trace number 2669310

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) 45.6451 45.6823

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-pilot87.opb
MD5SUM5945633e92159be43fdff7baf2926f79
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark8.75167
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables113861
Total number of constraints3582
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 constraints3582
Minimum length of a constraint10
Maximum length of a constraint8647
Number of terms in the objective function 11587
Biggest coefficient in the objective function 1769666112389120
Number of bits for the biggest coefficient in the objective function 51
Sum of the numbers in the objective function 73168715037279064
Number of bits of the sum of numbers in the objective function 57
Biggest number in a constraint 536870912000000000
Number of bits of the biggest number in a constraint 59
Biggest sum of numbers in a constraint 1323519003456940521
Number of bits of the biggest sum of numbers61
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
14.19/14.29	c constraints 3532/0 clauses 7/0 units 8167
14.19/14.29	c vars 113861
14.29/14.34	c objective 10883 + -67279084115451
45.46/45.50	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-2669310-1276546593/watcher-2669310-1276546593 -o /tmp/evaluation-result-2669310-1276546593/solver-2669310-1276546593 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669310-1276546593.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: 1.20 1.06 1.02 3/106 30299
/proc/meminfo: memFree=1793996/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=2488 CPUtime=0
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 303 0 0 0 0 0 0 0 18 0 1 0 30261324 2547712 225 1992294400 134512640 136485738 4294479104 18446744073709551615 135178825 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 622 225 151 482 0 138 0

[startup+0.026788 s]
/proc/loadavg: 1.20 1.06 1.02 3/106 30299
/proc/meminfo: memFree=1793996/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=3076 CPUtime=0.02
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 466 0 0 0 2 0 0 0 20 0 1 0 30261324 3149824 355 1992294400 134512640 136485738 4294479104 18446744073709551615 135416538 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 769 355 151 482 0 285 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3076

[startup+0.100795 s]
/proc/loadavg: 1.20 1.06 1.02 3/106 30299
/proc/meminfo: memFree=1793996/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=4000 CPUtime=0.09
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 728 0 0 0 9 0 0 0 20 0 1 0 30261324 4096000 617 1992294400 134512640 136485738 4294479104 18446744073709551615 135848165 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 1000 617 157 482 0 516 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4000

[startup+0.300817 s]
/proc/loadavg: 1.20 1.06 1.02 3/106 30299
/proc/meminfo: memFree=1793996/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=7516 CPUtime=0.29
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 1567 0 0 0 29 0 0 0 20 0 1 0 30261324 7696384 1456 1992294400 134512640 136485738 4294479104 18446744073709551615 135411141 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 1879 1456 157 482 0 1395 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7516

[startup+0.700861 s]
/proc/loadavg: 1.20 1.06 1.02 3/106 30299
/proc/meminfo: memFree=1793996/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=15164 CPUtime=0.69
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 3212 0 0 0 68 1 0 0 21 0 1 0 30261324 15527936 3101 1992294400 134512640 136485738 4294479104 18446744073709551615 135178827 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 3791 3101 157 482 0 3307 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15164

[startup+1.50095 s]
/proc/loadavg: 1.20 1.06 1.02 2/107 30300
/proc/meminfo: memFree=1777744/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=28936 CPUtime=1.49
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 6335 0 0 0 146 3 0 0 23 0 1 0 30261324 29630464 6224 1992294400 134512640 136485738 4294479104 18446744073709551615 135222272 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 7234 6224 157 482 0 6750 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 28936

[startup+3.10113 s]
/proc/loadavg: 1.20 1.06 1.02 3/107 30300
/proc/meminfo: memFree=1758524/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=56000 CPUtime=3.09
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 12585 0 0 0 303 6 0 0 25 0 1 0 30261324 57344000 12474 1992294400 134512640 136485738 4294479104 18446744073709551615 135411128 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 14000 12474 157 482 0 13516 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 56000

[startup+6.30148 s]
/proc/loadavg: 1.19 1.06 1.02 2/107 30300
/proc/meminfo: memFree=1733540/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=68700 CPUtime=6.29
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 15512 0 0 0 621 8 0 0 25 0 1 0 30261324 70348800 15401 1992294400 134512640 136485738 4294479104 18446744073709551615 135173207 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 17175 15401 157 482 0 16691 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 68700

[startup+12.7012 s]
/proc/loadavg: 1.17 1.06 1.02 2/107 30300
/proc/meminfo: memFree=1730688/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=78384 CPUtime=12.69
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 17728 0 0 0 1260 9 0 0 25 0 1 0 30261324 80265216 17617 1992294400 134512640 136485738 4294479104 18446744073709551615 135416516 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30299/statm: 19596 17617 157 482 0 19112 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 78384

[startup+25.5006 s]
/proc/loadavg: 1.13 1.06 1.02 2/107 30300
/proc/meminfo: memFree=978256/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=847448 CPUtime=25.49
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 219590 0 0 0 2456 93 0 0 25 0 1 0 30261324 867786752 207784 1992294400 134512640 136485738 4294479104 18446744073709551615 135447019 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30299/statm: 211862 207784 198 482 0 211378 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 847448



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+45.5008 s]
/proc/loadavg: 1.09 1.05 1.01 2/107 30302
/proc/meminfo: memFree=28664/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=1846232 CPUtime=45.46
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4202496 489400 0 0 0 4346 200 0 0 25 0 1 0 30261324 1890541568 440718 1992294400 134512640 136485738 4294479104 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30299/statm: 461558 440718 198 482 0 461074 0
Current children cumulated CPU time (s) 45.46
Current children cumulated vsize (KiB) 1846232

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

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

[startup+45.6088 s]
/proc/loadavg: 1.09 1.05 1.01 2/107 30302
/proc/meminfo: memFree=28664/2059040 swapFree=4140228/4192956
[pid=30299] ppid=30297 vsize=0 CPUtime=45.57
/proc/30299/stat : 30299 (pbct) R 30297 30299 29763 0 -1 4194308 489406 0 0 0 4346 211 0 0 25 0 1 0 30261324 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30299/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 45.57
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 45.6823
CPU time (s): 45.6451
CPU user time (s): 43.4614
CPU system time (s): 2.18367
CPU usage (%): 99.9184
Max. virtual memory (cumulated for all children) (KiB): 1846232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 43.4614
system time used= 2.18367
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 489406
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= 1
involuntary context switches= 617

runsolver used 0.073988 second user time and 0.234964 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-14 22:16:36
IDJOB=2669310
IDBENCH=2398
IDSOLVER=1170
FILE ID=node009/2669310-1276546593
PBS_JOBID= 11173471
Free space on /tmp= 62428 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-pilot87.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669310-1276546593/watcher-2669310-1276546593 -o /tmp/evaluation-result-2669310-1276546593/solver-2669310-1276546593 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669310-1276546593.opb

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

MD5SUM BENCH= 5945633e92159be43fdff7baf2926f79
RANDOM SEED=193367406

node009.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		: 3000.199
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	: 6000.39
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		: 3000.199
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:       1794524 kB
Buffers:         43144 kB
Cached:         141428 kB
SwapCached:       6120 kB
Active:          53440 kB
Inactive:       143816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1794524 kB
SwapTotal:     4192956 kB
SwapFree:      4140228 kB
Dirty:           26396 kB
Writeback:           0 kB
AnonPages:       10956 kB
Mapped:          13020 kB
Slab:            45308 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   179572 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= 62424 MiB
End job on node009 at 2010-06-14 22:17:23