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-stein27.opb
MD5SUM	f1840a9f0b03b6ae7284b9e5be9bb3b7
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	18
Optimality of the best value was proved	NO
Number of terms in the objective function	27
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	27
Number of bits of the sum of numbers in the objective function	5
Biggest number in a constraint	13
Number of bits of the biggest number in a constraint	4
Biggest sum of numbers in a constraint	40
Number of bits of the biggest sum of numbers	6
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1.02084
Number of variables	27
Total number of constraints	118
Number of constraints which are clauses	117
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	3
Maximum length of a constraint	27

Trace number 7063

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc25 THE 2005-04-14 21:28:30 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=5173 boxname=wulflinc25 idbench=398 idsolver=12 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  f1840a9f0b03b6ae7284b9e5be9bb3b7  /oldhome/oroussel/tmp/wulflinc25/normalized-stein27.opb
REAL COMMAND:  minisat+ -cb -gs /oldhome/oroussel/tmp/wulflinc25/normalized-stein27.opb /oldhome/oroussel/tmp/wulflinc25/normalized-stein27.opb
IDLAUNCH: 5173
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.220
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	: 3
cpu MHz		: 451.220
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        830056 kB
Buffers:         35448 kB
Cached:         134516 kB
SwapCached:         36 kB
Active:          56736 kB
Inactive:       116156 kB
HighTotal:      131008 kB
HighFree:          924 kB
LowTotal:       903652 kB
LowFree:        829132 kB
SwapTotal:     2097892 kB
SwapFree:      2097856 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6920 kB
Slab:            26184 kB
Committed_AS:    63484 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-04-14 21:28:32 (client local time) WITH STATUS 30 IN 1.47378 SECONDS
stats: 5173 0 1.47378 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c Converting 118 PB-constraints to clauses...
c   -- Unit propagations: (none)
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): .....................................................................................................................
c ---[   0]---> BDD-cost:  194
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |         0 |     659     1953 |     219       0        0     nan |  0.000 % |
c ==============================================================================
c [1mFound solution: 20[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:  310     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |         0 |     960     2670 |     320       0        0     nan |  0.000 % |
c ==============================================================================
c [1mFound solution: 19[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |        62 |     953     2655 |     317      61      338     5.5 |  0.000 % |
c ==============================================================================
c [1mFound solution: 18[0m
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): (none)
c ---[   0]---> Sorter-cost:    0     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |        69 |     969     2702 |     323      68      405     6.0 |  0.000 % |
c |       169 |     962     2687 |     355     166     1618     9.7 |  3.489 % |
c |       319 |     955     2672 |     390     314     3136    10.0 |  4.423 % |
c |       545 |     955     2672 |     429     306     2900     9.5 |  4.423 % |
c |       882 |     955     2672 |     472     384     3488     9.1 |  4.424 % |
c |      1391 |     955     2672 |     520     341     3083     9.0 |  4.425 % |
c |      2150 |     955     2672 |     572     489     4835     9.9 |  4.425 % |
c |      3292 |     955     2672 |     629     667     6342     9.5 |  4.434 % |
c |      5000 |     955     2672 |     692     587     5212     8.9 |  4.423 % |
c |      7563 |     917     2573 |     761     735     7249     9.9 |  6.745 % |
c ==============================================================================
c [1mOptimal solution: 18[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
c _______________________________________________________________________________
c 
c restarts              : 13
c conflicts             : 10892          (7456 /sec)
c decisions             : 12746          (8725 /sec)
c propagations          : 0              (0 /sec)
c inspects              : 0              (0 /sec)
c CPU time              : 1.46078 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): 0.78 0.91 0.89 2/54 7310
Raw data (stat): 7310 (runsolver) R 7309 28099 28098 0 -1 64 1 0 0 0 0 0 0 0 19 0 1 0 487843432 1052672 97 4294967295 134512640 135381576 3221224448 3221219864 134518955 0 0 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 97 215 215 0 42 0
vsize: 1028
[startup+1.48083 s]
Raw data (loadavg): 0.78 0.91 0.89 1/53 7310
Raw data (stat): 7310 (runsolver) R 7309 28099 28098 0 -1 64 1 0 0 0 0 0 0 0 19 0 1 0 487843432 1052672 97 4294967295 134512640 135381576 3221224448 3221219864 134518955 0 0 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 97 215 215 0 42 0
vsize: 0

Child status: 30
Real time (s): 1.48054
CPU time (s): 1.47378
CPU user time (s): 1.46078
CPU system time (s): 0.012998
CPU usage (%): 99.5434
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	18
#### END VERIFIER DATA ####