Trace number 2667870

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 0.1OPT3 10.9633 10.9665

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=6-P0=31-P1=31-P2=37-P3=37-B.opb
MD5SUM1faefeca557086bb8f2ad91e3f4c80d3
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 benchmark0.122981
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 variables54
Total number of constraints7
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 constraints7
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)108
Sum of products size (including duplicates)216
Number of different products108
Sum of products size216

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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 111/0 clauses 112/0 units 0
0.00/0.00	c vars 54
0.00/0.00	c objective 6 + 0
0.19/0.28	c 0.249962 6.18359 959 6792
0.19/0.28	o 19
0.79/0.90	c 0.779881 6.32031 914 22618
0.79/0.90	o 5
1.10/1.19	c 1.03384 6.32031 816 30545
1.10/1.19	o 3
10.90/10.95	c 9.52755 6.32031 830 264817
10.90/10.95	s OPTIMUM FOUND
10.90/10.95	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

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-2667870-1276647661/watcher-2667870-1276647661 -o /tmp/evaluation-result-2667870-1276647661/solver-2667870-1276647661 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667870-1276647661.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: 2.25 2.05 1.86 3/106 12509
/proc/meminfo: memFree=1838800/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=3516 CPUtime=0
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 560 0 0 0 0 0 0 0 20 0 1 0 6058847 3600384 482 1992294400 134512640 136485738 4290982048 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 879 483 198 482 0 395 0

[startup+0.03395 s]
/proc/loadavg: 2.25 2.05 1.86 3/106 12509
/proc/meminfo: memFree=1838800/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=5784 CPUtime=0.03
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1134 0 0 0 3 0 0 0 20 0 1 0 6058847 5922816 1056 1992294400 134512640 136485738 4290982048 18446744073709551615 134949538 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1446 1056 210 482 0 962 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5784

[startup+0.100959 s]
/proc/loadavg: 2.25 2.05 1.86 3/106 12509
/proc/meminfo: memFree=1838800/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6196 CPUtime=0.09
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1267 0 0 0 8 1 0 0 20 0 1 0 6058847 6344704 1189 1992294400 134512640 136485738 4290982048 18446744073709551615 134601949 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1549 1189 226 482 0 1065 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6196

[startup+0.300979 s]
/proc/loadavg: 2.25 2.05 1.86 3/106 12509
/proc/meminfo: memFree=1838800/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=0.29
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1318 0 0 0 26 3 0 0 20 0 1 0 6058847 6623232 1239 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1239 244 482 0 1133 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6468

[startup+0.701024 s]
/proc/loadavg: 2.25 2.05 1.86 3/106 12509
/proc/meminfo: memFree=1838800/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=0.69
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1318 0 0 0 60 9 0 0 21 0 1 0 6058847 6623232 1239 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1239 244 482 0 1133 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6468

[startup+1.50111 s]
/proc/loadavg: 2.25 2.05 1.86 2/107 12510
/proc/meminfo: memFree=1834576/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=1.49
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1321 0 0 0 129 20 0 0 23 0 1 0 6058847 6623232 1240 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1240 244 482 0 1133 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6468

[startup+3.10128 s]
/proc/loadavg: 2.15 2.03 1.86 2/107 12510
/proc/meminfo: memFree=1834328/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=3.09
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1331 0 0 0 265 44 0 0 25 0 1 0 6058847 6623232 1250 1992294400 134512640 136485738 4290982048 18446744073709551615 134891258 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1250 244 482 0 1133 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6468

[startup+6.30063 s]
/proc/loadavg: 2.15 2.03 1.86 2/107 12510
/proc/meminfo: memFree=1834328/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=6.29
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1342 0 0 0 544 85 0 0 25 0 1 0 6058847 6623232 1261 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1261 244 482 0 1133 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6468

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

[startup+9.50098 s]
/proc/loadavg: 2.05 2.01 1.85 2/107 12510
/proc/meminfo: memFree=1834328/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=9.48
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1345 0 0 0 823 125 0 0 25 0 1 0 6058847 6623232 1264 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1264 244 482 0 1133 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 6468

[startup+10.3011 s]
/proc/loadavg: 2.05 2.01 1.85 2/107 12510
/proc/meminfo: memFree=1834328/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=10.29
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1350 0 0 0 894 135 0 0 25 0 1 0 6058847 6623232 1269 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1269 244 482 0 1133 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 6468

[startup+10.7011 s]
/proc/loadavg: 2.05 2.01 1.85 2/107 12510
/proc/meminfo: memFree=1834328/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=10.69
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1350 0 0 0 930 139 0 0 25 0 1 0 6058847 6623232 1269 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1269 244 482 0 1133 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 6468

[startup+10.9011 s]
/proc/loadavg: 2.05 2.01 1.85 2/107 12510
/proc/meminfo: memFree=1834204/2059040 swapFree=4163396/4192956
[pid=12509] ppid=12507 vsize=6468 CPUtime=10.9
/proc/12509/stat : 12509 (pbct) R 12507 12509 12041 0 -1 4202496 1350 0 0 0 948 142 0 0 25 0 1 0 6058847 6623232 1269 1992294400 134512640 136485738 4290982048 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12509/statm: 1617 1269 244 482 0 1133 0
Current children cumulated CPU time (s) 10.9
Current children cumulated vsize (KiB) 6468

Child status: 0
Real time (s): 10.9665
CPU time (s): 10.9633
CPU user time (s): 9.53455
CPU system time (s): 1.42878
CPU usage (%): 99.971
Max. virtual memory (cumulated for all children) (KiB): 6468

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.53455
system time used= 1.42878
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1356
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= 2
involuntary context switches= 150

runsolver used 0.025996 second user time and 0.056991 second system time

The end

Launcher Data 

Begin job on node038 at 2010-06-16 02:21:01
IDJOB=2667870
IDBENCH=47953
IDSOLVER=1170
FILE ID=node038/2667870-1276647661
PBS_JOBID= 11172447
Free space on /tmp= 62476 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=6-P0=31-P1=31-P2=37-P3=37-B.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667870-1276647661/watcher-2667870-1276647661 -o /tmp/evaluation-result-2667870-1276647661/solver-2667870-1276647661 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667870-1276647661.opb

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

MD5SUM BENCH= 1faefeca557086bb8f2ad91e3f4c80d3
RANDOM SEED=2143873502

node038.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		: 3000.222
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	: 6000.44
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		: 3000.222
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:       1839328 kB
Buffers:         24844 kB
Cached:          99548 kB
SwapCached:       1504 kB
Active:          85784 kB
Inactive:        70020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1839328 kB
SwapTotal:     4192956 kB
SwapFree:      4163396 kB
Dirty:            1900 kB
Writeback:           0 kB
AnonPages:       29836 kB
Mapped:          14060 kB
Slab:            42188 kB
PageTables:       3984 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   179960 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= 62476 MiB
End job on node038 at 2010-06-16 02:21:12