Trace number 2681502

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 fixedOPT2 7.43987 7.4415

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=6-P0=53-P1=13-P2=23-P3=47-P4=2-B.opb
MD5SUM708c7e8a0dab689362d9aec992b2b233
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.224965
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables72
Total number of constraints9
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 constraints9
Minimum length of a constraint6
Maximum length of a constraint48
Number of terms in the objective function 6
Biggest coefficient in the objective function 32
Number of bits for the biggest coefficient in the objective function 6
Sum of the numbers in the objective function 63
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 2048
Number of bits of the biggest number in a constraint 12
Biggest sum of numbers in a constraint 8064
Number of bits of the biggest sum of numbers13
Number of products (including duplicates)144
Sum of products size (including duplicates)288
Number of different products144
Sum of products size288

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 153/0 clauses 144/0 units 0
0.00/0.00	c vars 72
0.00/0.00	c objective 6 + 0
0.49/0.54	c 0.469928 7.27344 1477 15589
0.49/0.54	o 22
2.20/2.25	c 1.9787 7.44141 1011 63732
2.20/2.25	o 3
7.39/7.42	c 6.46802 7.44141 608 206172
7.39/7.42	o 2
7.39/7.42	c 6.46902 7.44141 608 206172
7.39/7.42	s OPTIMUM FOUND
7.39/7.42	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 -x43 x44 -x45 -x46 -x47 x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 x57 x58 -x59 -x60 x61 x62 x63 -x64 -x65 x66 x67 -x68 x69 x70 -x71 -x72

Verifier Data 

OK	2

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681502-1277498976/watcher-2681502-1277498976 -o /tmp/evaluation-result-2681502-1277498976/solver-2681502-1277498976 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681502-1277498976.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 3/105 30020
/proc/meminfo: memFree=1787100/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=3576 CPUtime=0
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 585 0 0 0 0 0 0 0 25 0 1 0 91191066 3661824 505 1992294400 134512640 136421960 4289167856 18446744073709551615 134651289 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 894 505 193 467 0 425 0

[startup+0.061546 s]
/proc/loadavg: 1.00 1.00 1.00 3/105 30020
/proc/meminfo: memFree=1787100/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7184 CPUtime=0.05
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1505 0 0 0 5 0 0 0 25 0 1 0 91191066 7356416 1425 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1796 1425 214 467 0 1327 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 7184

[startup+0.101582 s]
/proc/loadavg: 1.00 1.00 1.00 3/105 30020
/proc/meminfo: memFree=1787100/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7316 CPUtime=0.09
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1535 0 0 0 9 0 0 0 25 0 1 0 91191066 7491584 1455 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1829 1455 214 467 0 1360 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7316

[startup+0.301581 s]
/proc/loadavg: 1.00 1.00 1.00 3/105 30020
/proc/meminfo: memFree=1787100/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7316 CPUtime=0.29
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1553 0 0 0 26 3 0 0 25 0 1 0 91191066 7491584 1473 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1829 1473 214 467 0 1360 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7316

[startup+0.70162 s]
/proc/loadavg: 1.00 1.00 1.00 3/105 30020
/proc/meminfo: memFree=1787100/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=0.7
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1633 0 0 0 60 10 0 0 25 0 1 0 91191066 7798784 1552 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1552 238 467 0 1435 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 7616

[startup+1.50169 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781636/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=1.49
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1633 0 0 0 130 19 0 0 25 0 1 0 91191066 7798784 1552 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1552 238 467 0 1435 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7616

[startup+3.10084 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781512/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=3.09
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1635 0 0 0 271 38 0 0 25 0 1 0 91191066 7798784 1553 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1553 238 467 0 1435 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7616

[startup+6.30115 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781264/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=6.29
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1646 0 0 0 549 80 0 0 25 0 1 0 91191066 7798784 1564 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1564 238 467 0 1435 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7616

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

[startup+7.10123 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781264/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=7.09
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1651 0 0 0 618 91 0 0 25 0 1 0 91191066 7798784 1569 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1569 238 467 0 1435 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 7616

[startup+7.30125 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781264/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=7.29
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1651 0 0 0 635 94 0 0 25 0 1 0 91191066 7798784 1569 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1569 238 467 0 1435 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 7616

[startup+7.40126 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 30021
/proc/meminfo: memFree=1781264/2059040 swapFree=4140364/4192956
[pid=30020] ppid=30018 vsize=7616 CPUtime=7.39
/proc/30020/stat : 30020 (pbct) R 30018 30020 29437 0 -1 4202496 1651 0 0 0 644 95 0 0 25 0 1 0 91191066 7798784 1569 1992294400 134512640 136421960 4289167856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30020/statm: 1904 1569 238 467 0 1435 0
Current children cumulated CPU time (s) 7.39
Current children cumulated vsize (KiB) 7616

Child status: 0
Real time (s): 7.4415
CPU time (s): 7.43987
CPU user time (s): 6.48001
CPU system time (s): 0.959854
CPU usage (%): 99.978
Max. virtual memory (cumulated for all children) (KiB): 7616

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.48001
system time used= 0.959854
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1657
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= 8

runsolver used 0.016997 second user time and 0.036994 second system time

The end

Launcher Data 

Begin job on node089 at 2010-06-25 22:49:36
IDJOB=2681502
IDBENCH=47991
IDSOLVER=1192
FILE ID=node089/2681502-1277498976
PBS_JOBID= 11190535
Free space on /tmp= 62556 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=6-P0=53-P1=13-P2=23-P3=47-P4=2-B.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681502-1277498976/watcher-2681502-1277498976 -o /tmp/evaluation-result-2681502-1277498976/solver-2681502-1277498976 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681502-1277498976.opb

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

MD5SUM BENCH= 708c7e8a0dab689362d9aec992b2b233
RANDOM SEED=2139356676

node089.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		: 3000.244
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	: 6000.48
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		: 3000.244
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	: 5999.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1787504 kB
Buffers:         42392 kB
Cached:         127168 kB
SwapCached:       5456 kB
Active:          61852 kB
Inactive:       120088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1787504 kB
SwapTotal:     4192956 kB
SwapFree:      4140364 kB
Dirty:            2136 kB
Writeback:           0 kB
AnonPages:       11024 kB
Mapped:          11912 kB
Slab:            67756 kB
PageTables:       4148 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181372 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= 62552 MiB
End job on node089 at 2010-06-25 22:49:43