PB'05 competition: run trace

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 in four parts:

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 provide some useful information on the computer.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
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.
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.

General information on the benchmark

Name	normalized-opb/submitted/een/normalized-stein45.opb
MD5SUM	34647f6a75058de4a92f0ff94f3c9005
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	30
Optimality of the best value was proved	NO
Number of terms in the objective function	45
Biggest coefficient in the objective function	1
Number of bits for the biggest coefficient in the objective function	1
Sum of the numbers in the objective function	45
Number of bits of the sum of numbers in the objective function	6
Biggest number in a constraint	22
Number of bits of the biggest number in a constraint	5
Biggest sum of numbers in a constraint	67
Number of bits of the biggest sum of numbers	7
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1.01484
Number of variables	45
Total number of constraints	331
Number of constraints which are clauses	330
Number of constraints which are cardinality constraints (but not clauses)	1
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	2
Maximum length of a constraint	45

Trace number 7103

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-04-14 21:33:50 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=5211 boxname=wulflinc6 idbench=401 idsolver=11 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  34647f6a75058de4a92f0ff94f3c9005  /oldhome/oroussel/tmp/wulflinc6/normalized-stein45.opb
REAL COMMAND:  minisat+ -S /oldhome/oroussel/tmp/wulflinc6/normalized-stein45.opb /oldhome/oroussel/tmp/wulflinc6/normalized-stein45.opb
IDLAUNCH: 5211
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 899.07

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        856848 kB
Buffers:         36836 kB
Cached:         118552 kB
SwapCached:       2644 kB
Active:          62076 kB
Inactive:        98816 kB
HighTotal:      131008 kB
HighFree:         8568 kB
LowTotal:       903652 kB
LowFree:        848280 kB
SwapTotal:     2097136 kB
SwapFree:      2094492 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6932 kB
Slab:            11292 kB
Committed_AS:    63484 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-04-14 21:35:35 (client local time) WITH STATUS 30 IN 104.879 SECONDS
stats: 5211 0 104.879 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c Converting 331 PB-constraints to clauses...
c   -- Unit propagations: (none)
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): ..........................................................................................................................................................................................................................................................................................................................................
c ---[   0]---> Sorter-cost:  718     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |         0 |    1097     2792 |     329       0        0     nan |  0.000 % |
c   -- subsuming                       
c   -- var.elim.:  499/499          
c   -- var.elim.:  273/273          
c   -- subsuming                       
c   -- var.elim.:  204/204          
c   -- var.elim.:  113/113          
c   -- var.elim.:  99/99          
c   -- var.elim.:  100/100          
c |         0 |     810     3254 |      --       0       --      -- |     --   | -287/463
c |         0 |     810     3254 |     324       0        0     nan |  0.000 % |
c ==============================================================================
c (current CPU-time: 0.116982 s)
c ==============================================================================
c [1mFound solution: 35[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:  288     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |         0 |    1528     4950 |     458       0        0     nan |  0.000 % |
c   -- subsuming                       
c   -- var.elim.:  541/541          
c   -- var.elim.:  305/305          
c   -- subsuming                       
c   -- var.elim.:  64/64          
c   -- var.elim.:  10/10          
c |         0 |    1437     4873 |      --       0       --      -- |     --   | -87/-65
c |         0 |    1437     4873 |     574       0        0     nan |  0.000 % |
c |       101 |    1437     4873 |     632     101      789     7.8 |  1.481 % |
c ==============================================================================
c (current CPU-time: 0.209968 s)
c ==============================================================================
c [1mFound solution: 33[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |       109 |    1564     5202 |     469     109      825     7.6 |  1.481 % |
c   -- subsuming                       
c   -- var.elim.:  187/187          
c   -- var.elim.:  102/102          
c |       109 |    1470     5038 |      --     109       --      -- |     --   | -81/-69
c |       109 |    1470     5038 |     588     109      825     7.6 |  1.481 % |
c ==============================================================================
c (current CPU-time: 0.237963 s)
c ==============================================================================
c [1mFound solution: 32[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |       109 |    1534     5209 |     460     109      825     7.6 |  1.481 % |
c   -- subsuming                       
c   -- var.elim.:  121/121          
c   -- var.elim.:  53/53          
c |       109 |    1491     5159 |      --     109       --      -- |     --   | -43/-49
c |       109 |    1491     5159 |     596     109      825     7.6 |  1.481 % |
c ==============================================================================
c (current CPU-time: 0.26296 s)
c ==============================================================================
c [1mFound solution: 31[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |       113 |    1501     5186 |     450     113      972     8.6 |  1.481 % |
c   -- subsuming                       
c   -- var.elim.:  73/73          
c   -- var.elim.:  15/15          
c |       113 |    1486     5073 |      --     113       --      -- |     --   | -3/14
c |       113 |    1486     5073 |     594     113      972     8.6 |  1.481 % |
c |       213 |    1486     5073 |     653     213     3717    17.5 |  3.558 % |
c |       363 |    1486     5073 |     719     363     7883    21.7 |  3.558 % |
c |       588 |    1486     5073 |     791     588    15889    27.0 |  3.558 % |
c |       925 |    1486     5073 |     870     925    26810    29.0 |  3.558 % |
c ==============================================================================
c (current CPU-time: 0.493924 s)
c ==============================================================================
c [1mFound solution: 30[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |      1217 |    1577     5290 |     473     908    25914    28.5 |  3.558 % |
c   -- subsuming                       
c   -- var.elim.:  172/172          
c   -- var.elim.:  89/89          
c |      1217 |    1502     5216 |      --     908       --      -- |     --   | -75/-73
c |      1217 |    1502     5216 |     600     899    25688    28.6 |  3.558 % |
c |      1317 |    1502     5216 |     660     480    10348    21.6 |  5.134 % |
c |      1467 |    1502     5216 |     726     630    15012    23.8 |  5.131 % |
c |      1692 |    1502     5216 |     799     855    22108    25.9 |  5.131 % |
c |      2030 |    1493     5180 |     874     907    23929    26.4 |  5.597 % |
c |      2537 |    1493     5180 |     961     786    18687    23.8 |  5.599 % |
c |      3296 |    1493     5180 |    1057     796    18509    23.3 |  5.597 % |
c |      4435 |    1493     5180 |    1163    1141    28311    24.8 |  5.602 % |
c |      6145 |    1493     5180 |    1280    1142    28244    24.7 |  5.602 % |
c |      8707 |    1493     5180 |    1408    1346    30576    22.7 |  5.606 % |
c |     12552 |    1493     5180 |    1548    1110    21519    19.4 |  5.600 % |
c |     18319 |    1493     5180 |    1703    1276    34723    27.2 |  5.604 % |
c |     26971 |    1480     5135 |    1857    1922    50815    26.4 |  6.312 % |
c |     39946 |    1480     5135 |    2043    1621    41857    25.8 |  6.304 % |
c |     59407 |    1466     5092 |    2226    2079    52213    25.1 |  7.000 % |
c |     88599 |    1439     4872 |    2404    2065    56938    27.6 |  8.178 % |
c |    132389 |    1379     4544 |    2534    1982    56562    28.5 | 10.257 % |
c |    198073 |    1337     4251 |    2703    2123    48288    22.7 | 13.301 % |
c |    296599 |    1265     3997 |    2813    2137    51097    23.9 | 16.094 % |
c ==============================================================================
c [1mOptimal solution: 30[0m
s OPTIMUM FOUND
v x0 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
c _______________________________________________________________________________
c 
c restarts              : 29
c conflicts             : 383854         (3661 /sec)
c decisions             : 441586         (4211 /sec)
c propagations          : 27638388       (263574 /sec)
c inspects              : 251921872      (2402458 /sec)
c CPU time              : 104.86 s
c _______________________________________________________________________________
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Raw data (loadavg): 0.91 0.95 0.90 2/54 7704
Raw data (stat): 7704 (runsolver) R 7703 29653 29652 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 429643771 1052672 99 4294967295 134512640 135381576 3221224464 3221219708 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+10.0009 s]
Raw data (loadavg): 0.92 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 555 0 0 0 998 1 0 0 25 0 1 0 429643771 3735552 533 4294967295 134512640 134672761 3221224576 3221223760 134615643 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 912 533 603 41 0 871 0
vsize: 3648
[startup+20.0017 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 578 0 0 0 1998 1 0 0 25 0 1 0 429643771 3858432 556 4294967295 134512640 134672761 3221224576 3221223760 134615681 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 942 556 603 41 0 901 0
vsize: 3768
[startup+30.0022 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 606 0 0 0 2998 1 0 0 25 0 1 0 429643771 3989504 584 4294967295 134512640 134672761 3221224576 3221223616 134612644 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 974 584 603 41 0 933 0
vsize: 3896
[startup+40.0023 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 620 0 0 0 3998 1 0 0 25 0 1 0 429643771 3989504 598 4294967295 134512640 134672761 3221224576 3221223760 134615619 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 974 598 603 41 0 933 0
vsize: 3896
[startup+50.0031 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 621 0 0 0 4999 1 0 0 25 0 1 0 429643771 3989504 599 4294967295 134512640 134672761 3221224576 3221223536 134645408 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 974 599 603 41 0 933 0
vsize: 3896
[startup+60.0036 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 643 0 0 0 5999 1 0 0 25 0 1 0 429643771 4108288 621 4294967295 134512640 134672761 3221224576 3221223760 134615625 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 621 603 41 0 962 0
vsize: 4012
[startup+70.0037 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 643 0 0 0 7000 1 0 0 25 0 1 0 429643771 4108288 621 4294967295 134512640 134672761 3221224576 3221223760 134615686 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 621 603 41 0 962 0
vsize: 4012
[startup+80.0046 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 646 0 0 0 8000 1 0 0 25 0 1 0 429643771 4108288 624 4294967295 134512640 134672761 3221224576 3221223760 134615619 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 624 603 41 0 962 0
vsize: 4012
[startup+90.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 655 0 0 0 9000 1 0 0 25 0 1 0 429643771 4108288 633 4294967295 134512640 134672761 3221224576 3221223760 134615785 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 633 603 41 0 962 0
vsize: 4012
[startup+100.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 655 0 0 0 10001 1 0 0 25 0 1 0 429643771 4108288 633 4294967295 134512640 134672761 3221224576 3221222800 134645608 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 633 603 41 0 962 0
vsize: 4012
[startup+104.859 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 7704
Raw data (stat): 7704 (minisat+) R 7703 29653 29652 0 -1 0 655 0 0 0 10001 1 0 0 25 0 1 0 429643771 4108288 633 4294967295 134512640 134672761 3221224576 3221222800 134645608 0 0 5 16386 0 0 0 17 1 0 0
Raw data (statm): 1003 633 603 41 0 962 0
vsize: 0

Child status: 30
Real time (s): 104.859
CPU time (s): 104.879
CPU user time (s): 104.861
CPU system time (s): 0.017997
CPU usage (%): 100.019
Max. virtual memory (Kb): 4012
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	30
#### END VERIFIER DATA ####