Trace number 2681391

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 3.55846 3.5588

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=5-P0=17-P1=7-P2=11-P3=17-P4=11-B.opb
MD5SUM2169b5e6c2e004be1035c00af298ec4e
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 benchmark0.115981
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 variables60
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 constraint5
Maximum length of a constraint35
Number of terms in the objective function 5
Biggest coefficient in the objective function 16
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 31
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 1984
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)100
Sum of products size (including duplicates)200
Number of different products100
Sum of products size200

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 109/0 clauses 100/0 units 0
0.00/0.00	c vars 60
0.00/0.00	c objective 5 + 0
0.29/0.35	c 0.308953 5.94141 785 9446
0.29/0.35	o 25
0.39/0.48	c 0.425935 6.09375 595 13455
0.39/0.48	o 19
0.49/0.50	c 0.438933 6.09375 315 13959
0.49/0.50	o 17
0.49/0.58	c 0.508922 6.09375 414 16732
0.49/0.58	o 3
3.49/3.55	c 3.07553 6.09375 510 93296
3.49/3.55	s OPTIMUM FOUND
3.49/3.55	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

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-2681391-1277497332/watcher-2681391-1277497332 -o /tmp/evaluation-result-2681391-1277497332/solver-2681391-1277497332 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681391-1277497332.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 29249
/proc/meminfo: memFree=1851276/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=3440 CPUtime=0
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 572 0 0 0 0 0 0 0 20 0 1 0 91024781 3522560 491 1992294400 134512640 136421960 4287461248 18446744073709551615 135312046 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 860 493 193 467 0 391 0

[startup+0.107277 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29249
/proc/meminfo: memFree=1851276/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6080 CPUtime=0.1
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1223 0 0 0 9 1 0 0 20 0 1 0 91024781 6225920 1142 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1520 1142 214 467 0 1051 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 6080

[startup+0.201284 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29249
/proc/meminfo: memFree=1851276/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6080 CPUtime=0.19
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1229 0 0 0 17 2 0 0 20 0 1 0 91024781 6225920 1148 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1520 1148 214 467 0 1051 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 6080

[startup+0.301294 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29249
/proc/meminfo: memFree=1851276/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6080 CPUtime=0.29
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1234 0 0 0 26 3 0 0 20 0 1 0 91024781 6225920 1153 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1520 1153 214 467 0 1051 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6080

[startup+0.701328 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29249
/proc/meminfo: memFree=1851276/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=0.69
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1278 0 0 0 61 8 0 0 20 0 1 0 91024781 6385664 1193 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1193 237 467 0 1090 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6236

[startup+1.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29250
/proc/meminfo: memFree=1847300/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=1.49
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1278 0 0 0 130 19 0 0 22 0 1 0 91024781 6385664 1193 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1193 237 467 0 1090 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6236

[startup+3.10154 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29250
/proc/meminfo: memFree=1847052/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=3.09
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1281 0 0 0 268 41 0 0 25 0 1 0 91024781 6385664 1196 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1196 237 467 0 1090 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6236

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

[startup+3.20155 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29250
/proc/meminfo: memFree=1847052/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=3.2
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1281 0 0 0 277 43 0 0 25 0 1 0 91024781 6385664 1196 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1196 237 467 0 1090 0
Current children cumulated CPU time (s) 3.2
Current children cumulated vsize (KiB) 6236

[startup+3.40857 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29250
/proc/meminfo: memFree=1846928/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=3.39
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1281 0 0 0 294 45 0 0 25 0 1 0 91024781 6385664 1196 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1196 237 467 0 1090 0
Current children cumulated CPU time (s) 3.39
Current children cumulated vsize (KiB) 6236

[startup+3.50157 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29250
/proc/meminfo: memFree=1846928/2059040 swapFree=4139692/4192956
[pid=29249] ppid=29247 vsize=6236 CPUtime=3.49
/proc/29249/stat : 29249 (pbct) R 29247 29249 28894 0 -1 4202496 1281 0 0 0 303 46 0 0 25 0 1 0 91024781 6385664 1196 1992294400 134512640 136421960 4287461248 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29249/statm: 1559 1196 237 467 0 1090 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 6236

Child status: 0
Real time (s): 3.5588
CPU time (s): 3.55846
CPU user time (s): 3.08253
CPU system time (s): 0.475927
CPU usage (%): 99.9903
Max. virtual memory (cumulated for all children) (KiB): 6236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.08253
system time used= 0.475927
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1286
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= 6

runsolver used 0.005999 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node050 at 2010-06-25 22:22:12
IDJOB=2681391
IDBENCH=47880
IDSOLVER=1192
FILE ID=node050/2681391-1277497332
PBS_JOBID= 11190549
Free space on /tmp= 62380 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=17-P1=7-P2=11-P3=17-P4=11-B.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681391-1277497332/watcher-2681391-1277497332 -o /tmp/evaluation-result-2681391-1277497332/solver-2681391-1277497332 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681391-1277497332.opb

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

MD5SUM BENCH= 2169b5e6c2e004be1035c00af298ec4e
RANDOM SEED=673578796

node050.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1851680 kB
Buffers:         26628 kB
Cached:          85808 kB
SwapCached:       6160 kB
Active:          69464 kB
Inactive:        56024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1851680 kB
SwapTotal:     4192956 kB
SwapFree:      4139692 kB
Dirty:            1820 kB
Writeback:          16 kB
AnonPages:       11668 kB
Mapped:          11864 kB
Slab:            59740 kB
PageTables:       4100 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180548 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= 62380 MiB
End job on node050 at 2010-06-25 22:22:15