Trace number 1875130

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 NameAnswerobjCPU timeWall clock time
wbo 1.0OPT3 0.087986 0.0885301

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=6-P0=5-P1=7-P2=11-B.opb
MD5SUMd20cb66fb1c502175f287b57cd26c485
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 benchmark0.082987
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 variables36
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 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)72
Sum of products size (including duplicates)144
Number of different products72
Sum of products size144

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1875130-1245187386.opb.
0.00/0.00	c Instance file HOME/instance-1875130-1245187386.opb
0.00/0.00	c File size is 5225 bytes.
0.00/0.00	c Highest Coefficient sum: 8064
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.00         s                                      |
0.00/0.00	c |  Number Variables:      108                                                 |
0.00/0.00	c |  Number Clauses:        78                                                  |
0.00/0.00	c |  Number Cardinality:    0                                                   |
0.00/0.00	c |  Number PB Constraints: 79                                                  |
0.00/0.00	c core #1
0.00/0.00	c Core size: 7	Core Weight: 1	Total Weight: 1
0.00/0.00	c Elapsed CPU time: 0.000999 s	Remaining CPU time: 1800 s
0.00/0.00	c core #2
0.00/0.00	c Core size: 6	Core Weight: 1	Total Weight: 2
0.00/0.00	c Elapsed CPU time: 0.000999 s	Remaining CPU time: 1800 s
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |      67      168      573 |     5000        0    nan |  0.000 % |
0.00/0.00	c |       103 |      67      168      573 |     5500      103     34 | 43.712 % |
0.00/0.01	c |       253 |      67      168      573 |     6050      253     35 | 43.705 % |
0.00/0.02	c |       480 |      67      168      573 |     6655      480     35 | 43.705 % |
0.00/0.03	c |       818 |      67      168      573 |     7320      818     37 | 43.705 % |
0.04/0.06	c |      1325 |      65      168      573 |     8052      362     34 | 47.172 % |
0.04/0.07	c ===============================================================================
0.04/0.07	c core #3
0.04/0.07	c Core size: 124	Core Weight: 1	Total Weight: 3
0.04/0.07	c Elapsed CPU time: 0.072988 s	Remaining CPU time: 1799.93 s
0.04/0.08	c Learning 658 hard constraints
0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.08	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.08	c ===============================================================================
0.04/0.08	c |         0 |      87      831    24218 |     5000        0    nan |  0.000 % |
0.04/0.08	c |       100 |      87      831    24218 |     5500      100     46 | 30.452 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c Verified 831 original clauses.
0.04/0.08	c #cores: 3
0.04/0.08	c Final Weight: 3
0.04/0.08	o 3
0.04/0.08	s OPTIMUM FOUND
0.04/0.08	v x1 x2 -x3 -x4 -x5 -x6 x7 x8 x9 x10 -x11 x12 x13 -x14 x15 -x16 -x17 -x18 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 x19 -x20 x21 x22 -x23 -x24 -x25 x26 -x27 -x28 -x29 -x30 x73 -x74 x75 x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 x85 -x86 x87 x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 x31 -x32 -x33 -x34 -x35 -x36

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-1875130-1245187386/watcher-1875130-1245187386 -o /tmp/evaluation-result-1875130-1245187386/solver-1875130-1245187386 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875130-1245187386.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: 0.93 0.98 0.97 3/65 8604
/proc/meminfo: memFree=1839696/2055920 swapFree=4181848/4192956
[pid=8604] ppid=8602 vsize=2524 CPUtime=0
/proc/8604/stat : 8604 (wbo) R 8602 8604 7998 0 -1 4194304 199 0 0 0 0 0 0 0 18 0 1 0 186337037 2584576 181 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/8604/statm: 631 181 135 292 0 336 0

[startup+0.0508169 s]
/proc/loadavg: 0.93 0.98 0.97 3/65 8604
/proc/meminfo: memFree=1839696/2055920 swapFree=4181848/4192956
[pid=8604] ppid=8602 vsize=2788 CPUtime=0.04
/proc/8604/stat : 8604 (wbo) R 8602 8604 7998 0 -1 4194304 290 0 0 0 4 0 0 0 18 0 1 0 186337037 2854912 272 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/8604/statm: 697 272 136 292 0 402 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2788

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

[startup+0.0508169 s]
/proc/loadavg: 0.93 0.98 0.97 3/65 8604
/proc/meminfo: memFree=1839696/2055920 swapFree=4181848/4192956
[pid=8604] ppid=8602 vsize=2788 CPUtime=0.04
/proc/8604/stat : 8604 (wbo) R 8602 8604 7998 0 -1 4194304 290 0 0 0 4 0 0 0 18 0 1 0 186337037 2854912 272 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/8604/statm: 697 272 136 292 0 402 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2788

Child status: 0
Real time (s): 0.0885301
CPU time (s): 0.087986
CPU user time (s): 0.082987
CPU system time (s): 0.004999
CPU usage (%): 99.3855
Max. virtual memory (cumulated for all children) (KiB): 2788

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.082987
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 382
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= 0

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node88 at 2009-06-16 23:23:06
IDJOB=1875130
IDBENCH=47970
IDSOLVER=698
FILE ID=node88/1875130-1245187386
PBS_JOBID= 9363938
Free space on /tmp= 66548 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=6-P0=5-P1=7-P2=11-B.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1875130-1245187386/watcher-1875130-1245187386 -o /tmp/evaluation-result-1875130-1245187386/solver-1875130-1245187386 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875130-1245187386.opb

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

MD5SUM BENCH= d20cb66fb1c502175f287b57cd26c485
RANDOM SEED=1085922679

node88.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.214
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5931.00
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		: 3000.214
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1840176 kB
Buffers:         32804 kB
Cached:         110884 kB
SwapCached:       5232 kB
Active:          50992 kB
Inactive:       100020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1840176 kB
SwapTotal:     4192956 kB
SwapFree:      4181848 kB
Dirty:            2692 kB
Writeback:           0 kB
Mapped:          13104 kB
Slab:            50564 kB
Committed_AS:    79908 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1875130-1245187386.opb

Free space on /tmp at the end= 66548 MiB
End job on node88 at 2009-06-16 23:23:06