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/manquinho/primes-dimacs-cnf/normalized-ii8a1.opb
MD5SUM	b3cc2686c19f6e4ddbbeb52b8905fbf9
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	54
Optimality of the best value was proved	NO
Number of terms in the objective function	132
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	132
Number of bits of the sum of numbers in the objective function	8
Biggest number in a constraint	1
Number of bits of the biggest number in a constraint	1
Biggest sum of numbers in a constraint	132
Number of bits of the biggest sum of numbers	8
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	0.763883
Number of variables	132
Total number of constraints	252
Number of constraints which are clauses	252
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	2
Maximum length of a constraint	8

Trace number 5426

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc19 THE 2005-04-14 00:13:33 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=3923 boxname=wulflinc19 idbench=163 idsolver=11 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  b3cc2686c19f6e4ddbbeb52b8905fbf9  /oldhome/oroussel/tmp/wulflinc19/normalized-ii8a1.opb
REAL COMMAND:  minisat+ -S /oldhome/oroussel/tmp/wulflinc19/normalized-ii8a1.opb /oldhome/oroussel/tmp/wulflinc19/normalized-ii8a1.opb
IDLAUNCH: 3923
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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:        889336 kB
Buffers:         34320 kB
Cached:          77348 kB
SwapCached:         56 kB
Active:          47756 kB
Inactive:        66860 kB
HighTotal:      131008 kB
HighFree:        49700 kB
LowTotal:       903652 kB
LowFree:        839636 kB
SwapTotal:     2097892 kB
SwapFree:      2097836 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           7028 kB
Slab:            25088 kB
Committed_AS:    63708 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-04-14 00:13:38 (client local time) WITH STATUS 30 IN 4.29935 SECONDS
stats: 3923 0 4.29935 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c Converting 252 PB-constraints to clauses...
c   -- Unit propagations: (none)
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): ............................................................................................................................................................................................................................................................
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |         0 |     252      582 |      75       0        0     nan |  0.000 % |
c   -- subsuming                       
c   -- var.elim.:  132/132          
c |         0 |     252      582 |     100       0        0     nan |  0.000 % |
c ==============================================================================
c (current CPU-time: 0.011998 s)
c ==============================================================================
c [1mFound solution: 61[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost: 3660     Base:
c =================================[SATELITE+]==================================
c |           |     ORIGINAL     |              LEARNT              |          |
c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
c ==============================================================================
c |         5 |    4320    10117 |    1295       5       30     6.0 |  0.000 % |
c   -- subsuming                       
c   -- var.elim.:  1000/2739          
c   -- var.elim.:  2000/2739          
c   -- var.elim.:  2739/2739          
c   -- var.elim.:  1000/1348          
c   -- var.elim.:  1348/1348          
c   -- var.elim.:  795/795          
c   -- var.elim.:  524/524          
c   -- var.elim.:  435/435          
c   -- var.elim.:  428/428          
c   -- var.elim.:  172/172          
c   -- subsuming                       
c   -- var.elim.:  351/351          
c   -- var.elim.:  9/9          
c |         5 |    1350     6861 |      --       5       --      -- |     --   | -2970/-3255
c |         5 |    1350     6861 |     540       5       30     6.0 |  0.000 % |
c ==============================================================================
c (current CPU-time: 0.880866 s)
c ==============================================================================
c [1mFound solution: 54[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 |         6 |    4352    14203 |    1305       6       50     8.3 |  0.000 % |
c   -- subsuming                       
c   -- var.elim.:  1000/2687          
c   -- var.elim.:  2000/2687          
c   -- var.elim.:  2687/2687          
c   -- var.elim.:  1000/1270          
c   -- var.elim.:  1270/1270          
c   -- var.elim.:  768/768          
c   -- var.elim.:  557/557          
c   -- var.elim.:  461/461          
c   -- var.elim.:  328/328          
c   -- var.elim.:  93/93          
c   -- subsuming                       
c   -- var.elim.:  305/305          
c |         6 |    1414     8124 |      --       6       --      -- |     --   | -2930/-5970
c |         6 |    1414     8124 |     565       6       50     8.3 |  0.000 % |
c |       106 |    1414     8124 |     622     106     9413    88.8 |  0.928 % |
c |       256 |    1396     8017 |     675     254    25520   100.5 |  1.701 % |
c |       481 |    1362     7864 |     725     477    44903    94.1 |  3.865 % |
c |       819 |    1264     7278 |     740     809    75512    93.3 | 10.356 % |
c |      1325 |    1219     7027 |     785     766    63092    82.4 | 13.293 % |
c |      2084 |    1184     6804 |     839     820    54431    66.4 | 15.767 % |
c |      3223 |    1052     5833 |     820     870    44102    50.7 | 24.421 % |
c |      4932 |     921     4902 |     789     762    30611    40.2 | 33.233 % |
c ==============================================================================
c [1mOptimal solution: 54[0m
s OPTIMUM FOUND
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 x61 -x62 x63 -x64 x65 -x66 -x67 x68 -x69 -x70 x71 -x72 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 -x109 x110 x111 -x112 -x113 x114 x115 -x116 -x117 x118 -x119 x120 -x121 x122 x123 -x124 -x125 x126 -x127 x128 -x129 x130 x131 -x132
c _______________________________________________________________________________
c 
c restarts              : 11
c conflicts             : 5950           (1399 /sec)
c decisions             : 12336          (2900 /sec)
c propagations          : 501759         (117940 /sec)
c inspects              : 2600056        (611152 /sec)
c CPU time              : 4.25435 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): 0.92 0.98 0.91 2/55 27243
Raw data (stat): 27243 (runsolver) R 27242 22929 22928 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 480178182 1052672 99 4294967295 134512640 135381576 3221224464 3221219708 135158418 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+4.30868 s]
Raw data (loadavg): 0.93 0.98 0.91 1/54 27243
Raw data (stat): 27243 (runsolver) R 27242 22929 22928 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 480178182 1052672 99 4294967295 134512640 135381576 3221224464 3221219708 135158418 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 0

Child status: 30
Real time (s): 4.30837
CPU time (s): 4.29935
CPU user time (s): 4.25535
CPU system time (s): 0.043993
CPU usage (%): 99.7907
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	54
#### END VERIFIER DATA ####