Trace number 2681426

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 fixedOPT3 25.5971 25.6039

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
roussel/factor-mod-B/factor-mod-size=7-P0=89-P1=17-P2=37-B.opb
MD5SUMb8556c61a91d14749acba7836969b871
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.12798
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables42
Total number of constraints5
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 constraints5
Minimum length of a constraint7
Maximum length of a constraint63
Number of terms in the objective function 7
Biggest coefficient in the objective function 64
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 127
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8192
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 32512
Number of bits of the biggest sum of numbers15
Number of products (including duplicates)98
Sum of products size (including duplicates)196
Number of different products98
Sum of products size196

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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
0.00/0.00	c constraints 103/0 clauses 98/0 units 0
0.00/0.00	c vars 42
0.00/0.00	c objective 7 + 0
0.40/0.44	c 0.403938 5.96484 1101 9690
0.40/0.44	o 33
0.59/0.67	c 0.602908 6.10938 452 15018
0.59/0.67	o 3
25.48/25.59	c 22.5146 6.23438 935 550682
25.48/25.59	s OPTIMUM FOUND
25.48/25.59	v x1 x2 -x3 -x4 -x5 -x6 -x7 x8 x9 -x10 -x11 -x12 -x13 -x14 x15 -x16 x17 -x18 -x19 -x20 -x21 x22 -x23 -x24 x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42

Verifier Data 

OK	3

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681426-1277497896/watcher-2681426-1277497896 -o /tmp/evaluation-result-2681426-1277497896/solver-2681426-1277497896 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681426-1277497896.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: 1.00 1.00 1.00 3/106 25005
/proc/meminfo: memFree=1856672/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=3444 CPUtime=0
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 578 0 0 0 0 0 0 0 17 0 1 0 125391136 3526656 497 1992294400 134512640 136421960 4288931392 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 861 498 193 467 0 392 0

[startup+0.076404 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 25005
/proc/meminfo: memFree=1856672/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=5972 CPUtime=0.06
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1203 0 0 0 6 0 0 0 17 0 1 0 125391136 6115328 1122 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1493 1122 214 467 0 1024 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5972

[startup+0.101406 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 25005
/proc/meminfo: memFree=1856672/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=5972 CPUtime=0.1
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1214 0 0 0 9 1 0 0 17 0 1 0 125391136 6115328 1133 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1493 1133 214 467 0 1024 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 5972

[startup+0.301432 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 25005
/proc/meminfo: memFree=1856672/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6104 CPUtime=0.29
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1226 0 0 0 27 2 0 0 17 0 1 0 125391136 6250496 1145 1992294400 134512640 136421960 4288931392 18446744073709551615 135032201 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1526 1145 214 467 0 1057 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6104

[startup+0.701485 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 25005
/proc/meminfo: memFree=1856672/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6252 CPUtime=0.69
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1290 0 0 0 62 7 0 0 17 0 1 0 125391136 6402048 1207 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1563 1207 237 467 0 1094 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6252

[startup+1.50059 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25006
/proc/meminfo: memFree=1852696/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6252 CPUtime=1.49
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1290 0 0 0 132 17 0 0 18 0 1 0 125391136 6402048 1207 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1563 1207 237 467 0 1094 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6252

[startup+3.1008 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25006
/proc/meminfo: memFree=1852572/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6252 CPUtime=3.09
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1290 0 0 0 274 35 0 0 21 0 1 0 125391136 6402048 1207 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1563 1207 237 467 0 1094 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6252

[startup+6.30122 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25006
/proc/meminfo: memFree=1852448/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6252 CPUtime=6.29
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1292 0 0 0 557 72 0 0 25 0 1 0 125391136 6402048 1209 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1563 1209 237 467 0 1094 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6252

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25006
/proc/meminfo: memFree=1852324/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6252 CPUtime=12.69
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1303 0 0 0 1122 147 0 0 25 0 1 0 125391136 6402048 1220 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1563 1220 237 467 0 1094 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 6252

[startup+25.5017 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25008
/proc/meminfo: memFree=1852324/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=6380 CPUtime=25.48
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1316 0 0 0 2242 306 0 0 25 0 1 0 125391136 6533120 1233 1992294400 134512640 136421960 4288931392 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1595 1233 237 467 0 1126 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 6380

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

[startup+25.6018 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 25008
/proc/meminfo: memFree=1852324/2059040 swapFree=4139488/4192956
[pid=25005] ppid=25003 vsize=5600 CPUtime=25.59
/proc/25005/stat : 25005 (pbct) R 25003 25005 24621 0 -1 4202496 1320 0 0 0 2252 307 0 0 25 0 1 0 125391136 5734400 1100 1992294400 134512640 136421960 4288931392 18446744073709551615 134701458 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25005/statm: 1400 1100 240 467 0 931 0
Current children cumulated CPU time (s) 25.59
Current children cumulated vsize (KiB) 5600

Child status: 0
Real time (s): 25.6039
CPU time (s): 25.5971
CPU user time (s): 22.5216
CPU system time (s): 3.07553
CPU usage (%): 99.9734
Max. virtual memory (cumulated for all children) (KiB): 6380

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.5216
system time used= 3.07553
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1321
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= 58

runsolver used 0.038994 second user time and 0.132979 second system time

The end

Launcher Data 

Begin job on node013 at 2010-06-25 22:31:36
IDJOB=2681426
IDBENCH=47915
IDSOLVER=1192
FILE ID=node013/2681426-1277497896
PBS_JOBID= 11190560
Free space on /tmp= 62404 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=7-P0=89-P1=17-P2=37-B.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681426-1277497896/watcher-2681426-1277497896 -o /tmp/evaluation-result-2681426-1277497896/solver-2681426-1277497896 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681426-1277497896.opb

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

MD5SUM BENCH= b8556c61a91d14749acba7836969b871
RANDOM SEED=1067148986

node013.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		: 3000.253
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	: 6000.50
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		: 3000.253
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:       1857200 kB
Buffers:         27364 kB
Cached:          76172 kB
SwapCached:       5728 kB
Active:          68252 kB
Inactive:        48500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1857200 kB
SwapTotal:     4192956 kB
SwapFree:      4139488 kB
Dirty:            1884 kB
Writeback:           0 kB
AnonPages:       12108 kB
Mapped:          11944 kB
Slab:            62928 kB
PageTables:       4176 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181564 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= 62400 MiB
End job on node013 at 2010-06-25 22:32:02