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 29266 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc28 THE 2005-05-25 06:13:45 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=20694 boxname=wulflinc28 idbench=284 idsolver=14 numberseed=0
MD5SUM SOLVER: d29da23ec752be69e0579424c0f0767e  /oldhome/oroussel/solvers/sat4jPseudoBis.jar
MD5SUM BENCH:  ea70a6ce261832262b9b777eddefacaf  /oldhome/oroussel/tmp/wulflinc28/normalized-cache.inv10.ucl.opb
REAL COMMAND:  java -server -Xms650M -Xmx650M -jar /oldhome/oroussel/solvers/sat4jPseudoBis.jar /oldhome/oroussel/tmp/wulflinc28/normalized-cache.inv10.ucl.opb
IDLAUNCH: 20694
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.077
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		: 451.077
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:        730928 kB
Buffers:         20480 kB
Cached:         262028 kB
SwapCached:       1052 kB
Active:          32652 kB
Inactive:       252348 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        730676 kB
SwapTotal:     2097640 kB
SwapFree:      2096168 kB
Dirty:              64 kB
Writeback:           0 kB
Mapped:           5464 kB
Slab:            13008 kB
Committed_AS:    63588 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-25 06:14:21 (client local time) WITH STATUS 20 IN 41.7876 SECONDS
stats: 20694 7 41.7876 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c SAT4J: a SATisfiability library for Java (c) 2004-2005 Daniel Le Berre
c This is free software under the GNU LGPL licence. See www.sat4j.org for details.
c version Special PB05 Second trial
c --- Begin Solver configuration ---
c org.sat4j.minisat.uip.FirstUIP@1e4cbc4
c org.sat4j.minisat.constraints.PBMinDataStructure@1fdc96c
c org.sat4j.minisat.learning.MiniSATLearning@b2fd8f
c conflictBoundIncFactor=1.5 learntBoundIncFactor=1.1 initLearntBoundConstraintFactor=0.5 initConflictBound=100 
c 
c --- End Solver configuration ---
c solving /oldhome/oroussel/tmp/wulflinc28/normalized-cache.inv10.ucl.opb
c reading problem ... done. Time 32.02 ms.
c #vars     8937
c #constraints  26319
c starts	: 1
c conflicts	: 8
c decisions	: 51
c propagations	: 13511
c inspects	: 37283
c learned literals	: 1
c learned binary clauses	: 2
c learned ternary clauses	: 0
c learned clauses	: 6
c root simplifications	: 5
s UNSATISFIABLE
c Total CPU time (ms) : 35.072
#### 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): 0.93 0.99 0.99 2/54 2760
Raw data (stat): 2760 (runsolver) R 2759 24821 24820 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 836638367 1052672 99 4294967295 134512640 135381576 3221224400 3221219620 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+10.0014 s]
Raw data (loadavg): 1.01 1.00 1.00 2/63 2769
Raw data (stat): 2760 (java) R 2759 24821 24820 0 -1 0 18027 0 1 0 769 41 0 0 25 0 10 0 836638367 853692416 20959 4294967295 134512640 134569956 3221224368 3221214336 1079276148 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 208421 20959 13086 16 0 208405 0
vsize: 833684
[startup+20.0017 s]
Raw data (loadavg): 1.01 1.00 1.00 2/63 2769
Raw data (stat): 2760 (java) R 2759 24821 24820 0 -1 0 18027 0 1 0 1603 42 0 0 24 0 10 0 836638367 853692416 22219 4294967295 134512640 134569956 3221224368 3221214392 1076461336 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 208421 22219 13086 16 0 208405 0
vsize: 833684
[startup+30.0012 s]
Raw data (loadavg): 1.01 1.00 1.00 2/63 2769
Raw data (stat): 2760 (java) S 2759 24821 24820 0 -1 0 18027 0 1 0 2457 43 0 0 25 0 10 0 836638367 853692416 22968 4294967295 134512640 134569956 3221224368 3221213576 1073952481 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 208421 22968 13086 16 0 208405 0
vsize: 833684
[startup+36.0888 s]
Raw data (loadavg): 1.09 1.02 1.01 1/53 2771
Raw data (stat): 2760 (java) S 2759 24821 24820 0 -1 0 18027 0 1 0 2457 43 0 0 25 0 10 0 836638367 853692416 22968 4294967295 134512640 134569956 3221224368 3221213576 1073952481 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 208421 22968 13086 16 0 208405 0
vsize: 0

Child status: 20
Real time (s): 36.0884
CPU time (s): 41.7876
CPU user time (s): 41.0898
CPU system time (s): 0.697893
CPU usage (%): 115.792
Max. virtual memory (Kb): 833684
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####