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:
  1. 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.
  2. SOLVER DATA
    This is the output of the solver (stdout and stderr).
  3. 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.
  4. 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

Namenormalized-opb/web/uclid_pb_benchmarks/normalized-cache.inv10.ucl.opb
MD5SUMea70a6ce261832262b9b777eddefacaf
Bench Categoryno optimization function (SAT)
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 17
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 62
Number of bits of the biggest sum of numbers6
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.883865
Number of variables8937
Total number of constraints26319
Number of constraints which are clauses26047
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints272
Minimum length of a constraint1
Maximum length of a constraint9

Trace number 4420 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc32 THE 2005-04-13 17:20:31 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=2556 boxname=wulflinc32 idbench=284 idsolver=9 numberseed=0
MD5SUM SOLVER: daf345f6fbf228671abfac48013b9cac  /oldhome/oroussel/solvers/sat4jPseudo.jar
MD5SUM BENCH:  ea70a6ce261832262b9b777eddefacaf  /oldhome/oroussel/tmp/wulflinc32/normalized-cache.inv10.ucl.opb
REAL COMMAND:  java -server -Xms650M -Xmx650M -jar /oldhome/oroussel/solvers/sat4jPseudo.jar /oldhome/oroussel/tmp/wulflinc32/normalized-cache.inv10.ucl.opb
IDLAUNCH: 2556
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.085
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		: 451.085
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:      1034724 kB
MemFree:        761492 kB
Buffers:         32720 kB
Cached:         129200 kB
SwapCached:       1212 kB
Active:         135688 kB
Inactive:       106568 kB
HighTotal:      131072 kB
HighFree:         2784 kB
LowTotal:       903652 kB
LowFree:        758708 kB
SwapTotal:     2097892 kB
SwapFree:      2096680 kB
Dirty:            2244 kB
Writeback:           0 kB
Mapped:          81768 kB
Slab:            25412 kB
Committed_AS:   174000 kB
PageTables:        432 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-04-13 17:21:23 (client local time) WITH STATUS 20 IN  SECONDS
stats: 2556 7  20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c solving /oldhome/oroussel/tmp/wulflinc32/normalized-cache.inv10.ucl.opb
c reading problem 
c [nbvar=8937]
c [nbconstr=26319]
c time 41.95
c #vars     8937
c #clauses  26319
c starts	: 0
c conflicts	: 0
c decisions	: 0
c propagations	: 0
c inspects	: 0
c learned literals	: 0
c learned binary clauses	: 0
c learned ternary clauses	: 0
c learned clauses	: 0
c root simplifications	: 0
c Total CPU time (ms) : 50.912
s UNSATISFIABLE
#### 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 0.98 2/53 9692
Raw data (stat): 9692 (runsolver) R 9691 7987 7986 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 477699820 1052672 99 4294967295 134512640 135381576 3221224432 3221219680 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+10.0037 s]
Raw data (loadavg): 1.01 1.00 0.99 2/62 9701
Raw data (stat): 9692 (java) S 9691 7987 7986 0 -1 0 18003 0 1 0 764 41 0 0 25 0 10 0 477699820 860184576 21849 4294967295 134512640 134569956 3221224400 3221213680 1073952481 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210006 21849 13073 16 0 209990 0
vsize: 840024
[startup+20.006 s]
Raw data (loadavg): 1.01 1.00 0.99 3/62 9701
Raw data (stat): 9692 (java) R 9691 7987 7986 0 -1 0 18003 0 1 0 1629 41 0 0 25 0 10 0 477699820 860184576 22650 4294967295 134512640 134569956 3221224400 3221214652 1079677938 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210006 22650 13073 16 0 209990 0
vsize: 840024
[startup+30.0078 s]
Raw data (loadavg): 1.01 1.00 0.99 2/62 9701
Raw data (stat): 9692 (java) R 9691 7987 7986 0 -1 0 18003 0 1 0 2493 42 0 0 25 0 10 0 477699820 860184576 23243 4294967295 134512640 134569956 3221224400 3221214780 1080204031 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210006 23243 13073 16 0 209990 0
vsize: 840024
[startup+40.0086 s]
Raw data (loadavg): 1.01 1.00 0.99 2/62 9701
Raw data (stat): 9692 (java) R 9691 7987 7986 0 -1 0 18003 0 1 0 3360 42 0 0 25 0 10 0 477699820 860184576 23764 4294967295 134512640 134569956 3221224400 3221214424 1079276148 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210006 23764 13073 16 0 209990 0
vsize: 840024
[startup+50.0103 s]
Raw data (loadavg): 1.16 1.03 1.00 2/63 9702
Raw data (stat): 9692 (java) R 9691 7987 7986 0 -1 0 18068 0 1 0 4186 43 0 0 25 0 11 0 477699820 860712960 24161 4294967295 134512640 134569956 3221224400 3221214888 1130917570 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210135 24161 13073 16 0 210119 0
vsize: 840540
[startup+51.6355 s]
Raw data (loadavg): 1.15 1.03 1.00 1/52 9703
Raw data (stat): 9692 (java) R 9691 7987 7986 0 -1 0 18068 0 1 0 4186 43 0 0 25 0 11 0 477699820 860712960 24161 4294967295 134512640 134569956 3221224400 3221214888 1130917570 0 4 3 23756 0 0 0 17 1 0 0
Raw data (statm): 210135 24161 13073 16 0 210119 0
vsize: 0

Child status: 20
Real time (s): 51.6345
CPU time (s): 60.3018
CPU user time (s): 59.5839
CPU system time (s): 0.71789
CPU usage (%): 116.786
Max. virtual memory (Kb): 840540
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####