Trace number 2669337

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 0.1UNSAT 27.7308 27.7416

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-stocfor2.opb
MD5SUMaaead0b856e770577601eb0cbaa220bd
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 benchmark5.43317
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables60930
Total number of constraints2157
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 constraints2157
Minimum length of a constraint30
Maximum length of a constraint450
Number of terms in the objective function 31770
Biggest coefficient in the objective function 1855425871872000000
Number of bits for the biggest coefficient in the objective function 61
Sum of the numbers in the objective function 393343428838367800485
Number of bits of the sum of numbers in the objective function 69
Biggest number in a constraint 1855425871872000000
Number of bits of the biggest number in a constraint 61
Biggest sum of numbers in a constraint 393343428838367800485
Number of bits of the biggest sum of numbers69
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
1.28/1.30	c constraints 2157/0 clauses 0/0 units 2079
1.28/1.30	c vars 60930
1.28/1.30	c objective 31770 + -202216669769184593985
21.18/21.28	c 19.876 1240.63 7 59558
27.58/27.63	s UNSATISFIABLE

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-2669337-1276555688/watcher-2669337-1276555688 -o /tmp/evaluation-result-2669337-1276555688/solver-2669337-1276555688 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669337-1276555688.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: 1.45 1.10 1.03 3/106 32286
/proc/meminfo: memFree=1803728/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=2352 CPUtime=0
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 276 0 0 0 0 0 0 0 19 0 1 0 31170170 2408448 199 1992294400 134512640 136485738 4289358752 18446744073709551615 135178825 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/32286/statm: 588 199 151 482 0 104 0

[startup+0.0272201 s]
/proc/loadavg: 1.45 1.10 1.03 3/106 32286
/proc/meminfo: memFree=1803728/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=2752 CPUtime=0.02
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 376 0 0 0 2 0 0 0 19 0 1 0 31170170 2818048 299 1992294400 134512640 136485738 4289358752 18446744073709551615 135411160 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/32286/statm: 688 299 151 482 0 204 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2752

[startup+0.101233 s]
/proc/loadavg: 1.45 1.10 1.03 3/106 32286
/proc/meminfo: memFree=1803728/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=4080 CPUtime=0.09
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 871 0 0 0 9 0 0 0 19 0 1 0 31170170 4177920 647 1992294400 134512640 136485738 4289358752 18446744073709551615 135346650 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/32286/statm: 1020 647 151 482 0 536 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4080

[startup+0.301266 s]
/proc/loadavg: 1.45 1.10 1.03 3/106 32286
/proc/meminfo: memFree=1803728/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=7248 CPUtime=0.29
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 1677 0 0 0 29 0 0 0 20 0 1 0 31170170 7421952 1453 1992294400 134512640 136485738 4289358752 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/32286/statm: 1812 1453 156 482 0 1328 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7248

[startup+0.700336 s]
/proc/loadavg: 1.45 1.10 1.03 3/106 32286
/proc/meminfo: memFree=1803728/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=15832 CPUtime=0.69
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 3809 0 0 0 68 1 0 0 21 0 1 0 31170170 16211968 3585 1992294400 134512640 136485738 4289358752 18446744073709551615 135857078 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/32286/statm: 3958 3585 156 482 0 3474 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15832

[startup+1.50047 s]
/proc/loadavg: 1.42 1.10 1.03 2/107 32287
/proc/meminfo: memFree=1786484/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=40524 CPUtime=1.49
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 9879 0 0 0 145 4 0 0 23 0 1 0 31170170 41496576 9655 1992294400 134512640 136485738 4289358752 18446744073709551615 134776226 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 10131 9655 197 482 0 9647 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 40524

[startup+3.10075 s]
/proc/loadavg: 1.42 1.10 1.03 2/107 32287
/proc/meminfo: memFree=1721012/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=161708 CPUtime=3.09
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 41302 0 0 0 288 21 0 0 25 0 1 0 31170170 165588992 39117 1992294400 134512640 136485738 4289358752 18446744073709551615 135350324 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 40427 39117 197 482 0 39943 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 161708

[startup+6.3003 s]
/proc/loadavg: 1.38 1.09 1.03 2/107 32287
/proc/meminfo: memFree=1504508/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=356960 CPUtime=6.28
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 92849 0 0 0 586 42 0 0 25 0 1 0 31170170 365527040 87458 1992294400 134512640 136485738 4289358752 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 89240 87458 197 482 0 88756 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 356960

[startup+12.7014 s]
/proc/loadavg: 1.35 1.09 1.03 2/107 32287
/proc/meminfo: memFree=1180744/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=658856 CPUtime=12.69
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 175700 0 0 0 1191 78 0 0 25 0 1 0 31170170 674668544 162300 1992294400 134512640 136485738 4289358752 18446744073709551615 135694416 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 164714 162300 197 482 0 164230 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 658856

[startup+25.5016 s]
/proc/loadavg: 1.30 1.09 1.03 2/107 32287
/proc/meminfo: memFree=675568/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=1152608 CPUtime=25.48
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 334649 0 0 0 2408 140 0 0 25 0 1 0 31170170 1180270592 281477 1992294400 134512640 136485738 4289358752 18446744073709551615 134720130 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 288152 281477 249 482 0 287668 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1152608

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

[startup+27.1009 s]
/proc/loadavg: 1.27 1.09 1.03 2/107 32287
/proc/meminfo: memFree=725168/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=1077740 CPUtime=27.08
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 334649 0 0 0 2567 141 0 0 25 0 1 0 31170170 1103605760 269086 1992294400 134512640 136485738 4289358752 18446744073709551615 135839931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 269435 269086 249 482 0 268951 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 1077740

[startup+27.5089 s]
/proc/loadavg: 1.27 1.09 1.03 2/107 32289
/proc/meminfo: memFree=725168/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=1077740 CPUtime=27.49
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202496 334649 0 0 0 2608 141 0 0 25 0 1 0 31170170 1103605760 269086 1992294400 134512640 136485738 4289358752 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/32286/statm: 269435 269086 249 482 0 268951 0
Current children cumulated CPU time (s) 27.49
Current children cumulated vsize (KiB) 1077740

[startup+27.701 s]
/proc/loadavg: 1.27 1.09 1.03 2/107 32289
/proc/meminfo: memFree=725168/2059040 swapFree=4136080/4192956
[pid=32286] ppid=32284 vsize=0 CPUtime=27.68
/proc/32286/stat : 32286 (pbct) R 32284 32286 31163 0 -1 4202500 334650 0 0 0 2621 147 0 0 25 0 1 0 31170170 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/32286/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 27.68
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 27.7416
CPU time (s): 27.7308
CPU user time (s): 26.212
CPU system time (s): 1.51877
CPU usage (%): 99.961
Max. virtual memory (cumulated for all children) (KiB): 1270404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.212
system time used= 1.51877
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 334650
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= 411

runsolver used 0.052991 second user time and 0.135979 second system time

The end

Launcher Data 

Begin job on node014 at 2010-06-15 00:48:08
IDJOB=2669337
IDBENCH=2453
IDSOLVER=1170
FILE ID=node014/2669337-1276555688
PBS_JOBID= 11173486
Free space on /tmp= 62500 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-stocfor2.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669337-1276555688/watcher-2669337-1276555688 -o /tmp/evaluation-result-2669337-1276555688/solver-2669337-1276555688 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669337-1276555688.opb

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

MD5SUM BENCH= aaead0b856e770577601eb0cbaa220bd
RANDOM SEED=1863357149

node014.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1804256 kB
Buffers:         41224 kB
Cached:         124964 kB
SwapCached:      11548 kB
Active:          84996 kB
Inactive:        95752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1804256 kB
SwapTotal:     4192956 kB
SwapFree:      4136080 kB
Dirty:            6748 kB
Writeback:           0 kB
AnonPages:       11588 kB
Mapped:           9280 kB
Slab:            52336 kB
PageTables:       4016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183488 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= 62500 MiB
End job on node014 at 2010-06-15 00:48:36