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/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-greenbea.opb
MD5SUM9328ce67cb4db3dffdeb7eebb9aea072
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
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 15205
Biggest coefficient in the objective function 536870912000000
Number of bits for the biggest coefficient in the objective function 49
Sum of the numbers in the objective function 11303756896327816
Number of bits of the sum of numbers in the objective function 54
Biggest number in a constraint 536870912000000
Number of bits of the biggest number in a constraint 49
Biggest sum of numbers in a constraint 24454743822989865
Number of bits of the biggest sum of numbers55
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.40979
Number of variables155427
Total number of constraints2675
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints2675
Minimum length of a constraint11
Maximum length of a constraint7267

Trace number 35052 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc10 THE 2005-05-28 12:07:06 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24365 boxname=wulflinc10 idbench=837 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  9328ce67cb4db3dffdeb7eebb9aea072  /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-greenbea.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-greenbea.opb
IDLAUNCH: 24365
/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:        810864 kB
Buffers:         34524 kB
Cached:         167488 kB
SwapCached:         84 kB
Active:          99188 kB
Inactive:       105424 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        810612 kB
SwapTotal:     2097136 kB
SwapFree:      2096728 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5880 kB
Slab:            13544 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:08:58 (client local time) WITH STATUS 1 IN 111.424 SECONDS
stats: 24365 7 111.424 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc
#### 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
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 0.91 0.95 0.90 2/54 22317
Raw data (stat): 22317 (runsolver) R 22316 15547 15546 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806468373 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.009 s]
Raw data (loadavg): 0.92 0.95 0.90 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 18823 0 0 0 960 40 0 0 25 0 1 0 806468373 75911168 13209 4294967295 134512640 135726644 3221224576 3215148560 134771783 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 18533 13212 300 300 0 18233 0
vsize: 74132
[startup+20.0173 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 50961 0 0 0 1896 105 0 0 25 0 1 0 806468373 155783168 28684 4294967295 134512640 135726644 3221224576 3215145712 134554608 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 38033 28686 300 300 0 37733 0
vsize: 152132
[startup+30.0169 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 81290 0 0 0 2842 159 0 0 25 0 1 0 806468373 252227584 49084 4294967295 134512640 135726644 3221224576 3215221352 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 61579 49084 300 300 0 61279 0
vsize: 246316
[startup+40.0164 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 108175 0 0 0 3789 212 0 0 25 0 1 0 806468373 346656768 63452 4294967295 134512640 135726644 3221224576 3215146064 134767052 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84633 63453 300 300 0 84333 0
vsize: 338532
[startup+50.0171 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 130505 0 0 0 4750 252 0 0 25 0 1 0 806468373 524054528 85515 4294967295 134512640 135726644 3221224576 3215146360 135282351 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 127943 85521 300 300 0 127643 0
vsize: 511772
[startup+60.0166 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 166514 0 0 0 5684 318 0 0 25 0 1 0 806468373 497356800 101955 4294967295 134512640 135726644 3221224576 3215134492 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 121425 101955 300 300 0 121125 0
vsize: 485700
[startup+70.0172 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 201745 0 0 0 6610 392 0 0 25 0 1 0 806468373 631574528 112419 4294967295 134512640 135726644 3221224576 3215145600 134780348 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154193 112419 300 300 0 153893 0
vsize: 616772
[startup+80.0177 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 219883 0 0 0 7573 429 0 0 25 0 1 0 806468373 655499264 130330 4294967295 134512640 135726644 3221224576 3215380864 134767123 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 160034 130330 300 300 0 159734 0
vsize: 640136
[startup+90.017 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 242378 0 0 0 8526 476 0 0 25 0 1 0 806468373 690659328 152543 4294967295 134512640 135726644 3221224576 3215208152 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 168618 152543 300 300 0 168318 0
vsize: 674472
[startup+100.017 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 259020 0 0 0 9491 512 0 0 25 0 1 0 806468373 767787008 168986 4294967295 134512640 135726644 3221224576 3215269216 135139615 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 187448 168986 300 300 0 187148 0
vsize: 749792
[startup+110.017 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 259022 0 0 0 10477 525 0 0 25 0 1 0 806468373 406798336 98867 4294967295 134512640 135726644 3221224576 3221222928 135280446 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 99316 98867 300 300 0 99016 0
vsize: 397264
[startup+111.413 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 22317
Raw data (stat): 22317 (pb2sat) R 22316 15547 15546 0 -1 0 259022 0 0 0 10477 525 0 0 25 0 1 0 806468373 406798336 98867 4294967295 134512640 135726644 3221224576 3221222928 135280446 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 99316 98867 300 300 0 99016 0
vsize: 0

Child status: 1
Real time (s): 111.413
CPU time (s): 111.424
CPU user time (s): 105.957
CPU system time (s): 5.46717
CPU usage (%): 100.01
Max. virtual memory (Kb): 749792
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####