Trace number 1875218

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 0.085986 0.08616

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
roussel/factor-mod-B/factor-mod-size=6-P0=37-P1=23-P2=5-B.opb
MD5SUMbb953622d436623e8cc95a70e227bd07
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 benchmark0.05999
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-1875218-1245189008.opb.
0.00/0.00	c Instance file HOME/instance-1875218-1245189008.opb
0.00/0.00	c File size is 5226 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 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 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 |       100 |      67      168      573 |     5500      100     34 | 43.712 % |
0.00/0.01	c |       250 |      67      168      573 |     6050      250     37 | 43.705 % |
0.00/0.02	c |       477 |      67      168      573 |     6655      477     36 | 43.705 % |
0.00/0.03	c |       816 |      67      168      573 |     7320      816     36 | 43.705 % |
0.04/0.06	c |      1322 |      63      168      573 |     8052      384     39 | 47.949 % |
0.04/0.06	c ===============================================================================
0.04/0.07	c core #3
0.04/0.07	c Core size: 115	Core Weight: 1	Total Weight: 3
0.04/0.07	c Elapsed CPU time: 0.070989 s	Remaining CPU time: 1799.93 s
0.04/0.07	c Learning 562 hard constraints
0.04/0.07	c ============================[ Search Statistics ]==============================
0.04/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.07	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.07	c ===============================================================================
0.04/0.07	c |         0 |      87      735    22111 |     5000        0    nan |  0.000 % |
0.04/0.08	c |       100 |      87      735    22111 |     5500      100     37 | 30.452 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c Verified 735 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-1875218-1245189008/watcher-1875218-1245189008 -o /tmp/evaluation-result-1875218-1245189008/solver-1875218-1245189008 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875218-1245189008.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: 1.12 1.03 1.01 3/65 11856
/proc/meminfo: memFree=1833904/2055920 swapFree=4180892/4192956
[pid=11856] ppid=11854 vsize=2524 CPUtime=0
/proc/11856/stat : 11856 (wbo) R 11854 11856 11274 0 -1 4194304 199 0 0 0 0 0 0 0 20 0 1 0 186498813 2584576 181 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/11856/statm: 631 181 135 292 0 336 0

[startup+0.0509069 s]
/proc/loadavg: 1.12 1.03 1.01 3/65 11856
/proc/meminfo: memFree=1833904/2055920 swapFree=4180892/4192956
[pid=11856] ppid=11854 vsize=2784 CPUtime=0.04
/proc/11856/stat : 11856 (wbo) R 11854 11856 11274 0 -1 4194304 286 0 0 0 4 0 0 0 20 0 1 0 186498813 2850816 268 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/11856/statm: 696 268 136 292 0 401 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2784

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

[startup+0.0509069 s]
/proc/loadavg: 1.12 1.03 1.01 3/65 11856
/proc/meminfo: memFree=1833904/2055920 swapFree=4180892/4192956
[pid=11856] ppid=11854 vsize=2784 CPUtime=0.04
/proc/11856/stat : 11856 (wbo) R 11854 11856 11274 0 -1 4194304 286 0 0 0 4 0 0 0 20 0 1 0 186498813 2850816 268 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/11856/statm: 696 268 136 292 0 401 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2784

Child status: 0
Real time (s): 0.08616
CPU time (s): 0.085986
CPU user time (s): 0.079987
CPU system time (s): 0.005999
CPU usage (%): 99.798
Max. virtual memory (cumulated for all children) (KiB): 2784

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.079987
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 369
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 0.007998 second system time

The end

Launcher Data 

Begin job on node87 at 2009-06-16 23:50:08
IDJOB=1875218
IDBENCH=48058
IDSOLVER=698
FILE ID=node87/1875218-1245189008
PBS_JOBID= 9368302
Free space on /tmp= 66540 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=6-P0=37-P1=23-P2=5-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-1875218-1245189008/watcher-1875218-1245189008 -o /tmp/evaluation-result-1875218-1245189008/solver-1875218-1245189008 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875218-1245189008.opb

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

MD5SUM BENCH= bb953622d436623e8cc95a70e227bd07
RANDOM SEED=663553650

node87.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		: 3000.235
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	: 5914.62
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		: 3000.235
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:       1834320 kB
Buffers:         50404 kB
Cached:         104784 kB
SwapCached:       6176 kB
Active:          62756 kB
Inactive:       101056 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1834320 kB
SwapTotal:     4192956 kB
SwapFree:      4180892 kB
Dirty:            2376 kB
Writeback:           0 kB
Mapped:          14364 kB
Slab:            43584 kB
Committed_AS:    89048 kB
PageTables:       1460 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-1875218-1245189008.opb

Free space on /tmp at the end= 66536 MiB
End job on node87 at 2009-06-16 23:50:08