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/submitted/aloul/FPGA_SAT05/normalized-chnl40_41_pb.cnf.cr.opb
MD5SUM3c9e81ddaaf37dd621fe2bc839a3f27f
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 42
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 benchmark0.098984
Number of variables3280
Total number of constraints162
Number of constraints which are clauses82
Number of constraints which are cardinality constraints (but not clauses)80
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint40
Maximum length of a constraint41

Trace number 4169

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc15 THE 2005-04-13 15:52:16 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=153 boxname=wulflinc15 idbench=17 idsolver=9 numberseed=0
MD5SUM SOLVER: daf345f6fbf228671abfac48013b9cac  /oldhome/oroussel/solvers/sat4jPseudo.jar
MD5SUM BENCH:  3c9e81ddaaf37dd621fe2bc839a3f27f  /oldhome/oroussel/tmp/wulflinc15/normalized-chnl40_41_pb.cnf.cr.opb
REAL COMMAND:  java -server -Xms650M -Xmx650M -jar /oldhome/oroussel/solvers/sat4jPseudo.jar /oldhome/oroussel/tmp/wulflinc15/normalized-chnl40_41_pb.cnf.cr.opb
IDLAUNCH: 153
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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	: 2
cpu MHz		: 450.999
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:        953184 kB
Buffers:         32752 kB
Cached:          27868 kB
SwapCached:       2144 kB
Active:          41280 kB
Inactive:        24244 kB
HighTotal:      131008 kB
HighFree:        98868 kB
LowTotal:       903652 kB
LowFree:        854316 kB
SwapTotal:     2097136 kB
SwapFree:      2094992 kB
Dirty:              36 kB
Writeback:           0 kB
Mapped:           6916 kB
Slab:            10444 kB
Committed_AS:    63484 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-04-13 15:53:03 (client local time) WITH STATUS 20 IN  SECONDS
stats: 153 7  20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c solving /oldhome/oroussel/tmp/wulflinc15/normalized-chnl40_41_pb.cnf.cr.opb
c reading problem 
c [nbvar=3280]
c [nbconstr=162]
c time 7.638
c #vars     3280
c #clauses  162
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) : 18.364
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): 0.15 0.03 0.01 2/54 29195
Raw data (stat): 29195 (runsolver) R 29194 29151 29150 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 418951600 1052672 99 4294967295 134512640 135381576 3221224432 3221219680 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+10.0007 s]
Raw data (loadavg): 0.28 0.06 0.02 1/54 29195
Raw data (stat): 29195 (java) D 29194 29151 29150 0 -1 0 831 0 37 0 1 3 0 0 18 0 1 0 418951600 50151424 669 4294967295 134512640 134569956 3221224400 3221206032 1085783892 0 4 7 7368 3222515881 0 0 17 0 0 0
Raw data (statm): 12244 669 10538 16 0 12228 0
vsize: 48976
[startup+20.2706 s]
Raw data (loadavg): 0.39 0.09 0.03 1/63 29204
Raw data (stat): 29195 (java) D 29194 29151 29150 0 -1 0 3220 0 83 0 77 12 0 0 18 0 10 0 418951600 853176320 3331 4294967295 134512640 134569956 3221224400 3221206140 1073952961 0 2147483391 3 23756 3225161850 0 0 17 0 0 0
Raw data (statm): 208295 3331 13073 16 0 208279 0
vsize: 833180
[startup+30.2713 s]
Raw data (loadavg): 0.49 0.12 0.04 3/64 29205
Raw data (stat): 29195 (java) R 29194 29151 29150 0 -1 0 17994 0 85 0 751 52 0 0 25 0 11 0 418951600 864403456 21481 4294967295 134512640 134569956 3221224400 3221214440 1076461342 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 211036 21482 13073 16 0 211020 0
vsize: 844144
[startup+36.3798 s]
Raw data (loadavg): 0.61 0.15 0.05 1/53 29206
Raw data (stat): 29195 (java) R 29194 29151 29150 0 -1 0 17994 0 85 0 751 52 0 0 25 0 11 0 418951600 864403456 21481 4294967295 134512640 134569956 3221224400 3221214440 1076461342 0 4 3 23756 0 0 0 17 0 0 0
Raw data (statm): 211036 21482 13073 16 0 211020 0
vsize: 0

Child status: 20
Real time (s): 36.3794
CPU time (s): 26.487
CPU user time (s): 25.6181
CPU system time (s): 0.868867
CPU usage (%): 72.8076
Max. virtual memory (Kb): 844144
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####