Trace number 2681464

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 11.0553 11.058

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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 115/0 clauses 108/0 units 0
0.00/0.00	c vars 54
0.00/0.00	c objective 6 + 0
0.89/0.96	c 0.846871 6.33984 1384 23625
0.89/0.96	o 5
1.49/1.54	c 1.34279 6.33984 761 37035
1.49/1.54	o 3
10.99/11.04	c 9.54155 6.33984 499 265481
10.99/11.04	s OPTIMUM FOUND
10.99/11.04	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-2681464-1277498548/watcher-2681464-1277498548 -o /tmp/evaluation-result-2681464-1277498548/solver-2681464-1277498548 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681464-1277498548.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 30268
/proc/meminfo: memFree=1851128/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=3440 CPUtime=0
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 572 0 0 0 0 0 0 0 20 0 1 0 91147627 3522560 491 1992294400 134512640 136421960 4294722528 18446744073709551615 134651289 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 860 491 193 467 0 391 0

[startup+0.0107211 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30268
/proc/meminfo: memFree=1851128/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=3700 CPUtime=0
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 625 0 0 0 0 0 0 0 20 0 1 0 91147627 3788800 544 1992294400 134512640 136421960 4294722528 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 925 545 193 467 0 456 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3700

[startup+0.101711 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30268
/proc/meminfo: memFree=1851128/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6220 CPUtime=0.09
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1277 0 0 0 9 0 0 0 20 0 1 0 91147627 6369280 1196 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1555 1196 214 467 0 1086 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6220

[startup+0.301732 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30268
/proc/meminfo: memFree=1851128/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6348 CPUtime=0.29
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1290 0 0 0 26 3 0 0 20 0 1 0 91147627 6500352 1209 1992294400 134512640 136421960 4294722528 18446744073709551615 135020554 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1587 1209 214 467 0 1118 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6348

[startup+0.701776 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 30268
/proc/meminfo: memFree=1851128/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6348 CPUtime=0.69
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1310 0 0 0 62 7 0 0 20 0 1 0 91147627 6500352 1229 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1587 1229 214 467 0 1118 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6348

[startup+1.50186 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846904/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=1.49
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1362 0 0 0 130 19 0 0 23 0 1 0 91147627 6643712 1280 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1280 237 467 0 1153 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6488

[startup+3.10204 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846780/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=3.09
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 267 42 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6488

[startup+6.30139 s]
/proc/loadavg: 1.00 1.00 1.00 3/107 30269
/proc/meminfo: memFree=1846656/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=6.29
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 543 86 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6488

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

[startup+9.50174 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846656/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=9.48
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 820 128 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 6488

[startup+10.3018 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846656/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=10.29
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 890 139 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 6488

[startup+10.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846656/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=10.69
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 924 145 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 6488

[startup+10.9019 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846532/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=10.9
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 942 148 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 10.9
Current children cumulated vsize (KiB) 6488

[startup+11.0089 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 30269
/proc/meminfo: memFree=1846532/2059040 swapFree=4140192/4192956
[pid=30268] ppid=30266 vsize=6488 CPUtime=10.99
/proc/30268/stat : 30268 (pbct) R 30266 30268 29839 0 -1 4202496 1364 0 0 0 950 149 0 0 25 0 1 0 91147627 6643712 1281 1992294400 134512640 136421960 4294722528 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30268/statm: 1622 1281 237 467 0 1153 0
Current children cumulated CPU time (s) 10.99
Current children cumulated vsize (KiB) 6488

Child status: 0
Real time (s): 11.058
CPU time (s): 11.0553
CPU user time (s): 9.54855
CPU system time (s): 1.50677
CPU usage (%): 99.976
Max. virtual memory (cumulated for all children) (KiB): 6488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.54855
system time used= 1.50677
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1369
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= 30

runsolver used 0.029995 second user time and 0.051992 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-25 22:42:28
IDJOB=2681464
IDBENCH=47953
IDSOLVER=1192
FILE ID=node037/2681464-1277498548
PBS_JOBID= 11190588
Free space on /tmp= 62492 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=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-2681464-1277498548/watcher-2681464-1277498548 -o /tmp/evaluation-result-2681464-1277498548/solver-2681464-1277498548 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681464-1277498548.opb

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

MD5SUM BENCH= 1faefeca557086bb8f2ad91e3f4c80d3
RANDOM SEED=1686385416

node037.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.55
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1851656 kB
Buffers:         28700 kB
Cached:          82908 kB
SwapCached:       5520 kB
Active:          67848 kB
Inactive:        56780 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1851656 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            1892 kB
Writeback:           0 kB
AnonPages:       11524 kB
Mapped:          11836 kB
Slab:            60708 kB
PageTables:       4128 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181288 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= 62488 MiB
End job on node037 at 2010-06-25 22:42:39