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-greenbeb.opb
MD5SUM376d4643e7856d57cc9cab321f965d04
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 14882
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 12491747892670016
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 benchmark1.43978
Number of variables155020
Total number of constraints2676
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 constraints2676
Minimum length of a constraint11
Maximum length of a constraint7172

Trace number 42318 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc4 THE 2005-06-16 05:34:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25538 boxname=wulflinc4 idbench=838 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  376d4643e7856d57cc9cab321f965d04  /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-greenbeb.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-greenbeb.opb
IDLAUNCH: 25538
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.169
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		: 451.169
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:        673200 kB
Buffers:         34160 kB
Cached:         304556 kB
SwapCached:        944 kB
Active:          73712 kB
Inactive:       267180 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        672948 kB
SwapTotal:     2097136 kB
SwapFree:      2095208 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           4996 kB
Slab:            14856 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 05:36:05 (client local time) WITH STATUS 1 IN 114.78 SECONDS
stats: 25538 7 114.78 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): 0.92 0.95 0.91 2/54 21628
Raw data (stat): 21628 (runsolver) R 21627 21152 21151 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 968268576 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0008 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 14471 0 0 0 965 33 0 0 25 0 1 0 968268576 43233280 8935 4294967295 134512640 135730672 3221224576 3221108168 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 10555 8936 301 301 0 10254 0
vsize: 42220
[startup+20.0011 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 46715 0 0 0 1899 100 0 0 25 0 1 0 968268576 136925184 24831 4294967295 134512640 135730672 3221224576 3221196328 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 33429 24831 301 301 0 33128 0
vsize: 133716
[startup+30.0015 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 75643 0 0 0 2843 156 0 0 25 0 1 0 968268576 230739968 44351 4294967295 134512640 135730672 3221224576 3221209784 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 56333 44352 301 301 0 56032 0
vsize: 225332
[startup+40.0025 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 97681 0 0 0 3796 203 0 0 25 0 1 0 968268576 314626048 53904 4294967295 134512640 135730672 3221224576 3221202848 134777607 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 76813 53905 301 301 0 76512 0
vsize: 307252
[startup+50.003 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 110766 0 0 0 4769 230 0 0 25 0 1 0 968268576 320077824 66752 4294967295 134512640 135730672 3221224576 3221198604 135291163 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 78144 66752 301 301 0 77843 0
vsize: 312576
[startup+60.0033 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 146281 0 0 0 5698 302 0 0 25 0 1 0 968268576 436203520 83712 4294967295 134512640 135730672 3221224576 3221206072 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 106495 83712 301 301 0 106194 0
vsize: 425980
[startup+70.0033 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 180417 0 0 0 6622 378 0 0 25 0 1 0 968268576 536866816 93078 4294967295 134512640 135730672 3221224576 3221200072 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 131071 93078 301 301 0 130770 0
vsize: 524284
[startup+80.0042 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 190493 0 0 0 7603 397 0 0 25 0 1 0 968268576 570421248 102954 4294967295 134512640 135730672 3221224576 3221166784 134814018 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 139263 102954 301 301 0 138962 0
vsize: 557052
[startup+90.0045 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 205958 0 0 0 8574 426 0 0 25 0 1 0 968268576 581386240 118171 4294967295 134512640 135730672 3221224576 3221186096 134606754 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 141940 118171 301 301 0 141639 0
vsize: 567760
[startup+100.004 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 226063 0 0 0 9533 467 0 0 25 0 1 0 968268576 611581952 138033 4294967295 134512640 135730672 3221224576 3221177052 135291064 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 149312 138033 301 301 0 149011 0
vsize: 597248
[startup+110.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 257358 0 0 0 10471 529 0 0 25 0 1 0 968268576 621314048 144603 4294967295 134512640 135730672 3221224576 3221222828 135281112 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151688 144603 301 301 0 151387 0
vsize: 606752
[startup+114.775 s]
Raw data (loadavg): 0.99 0.96 0.91 1/53 21628
Raw data (stat): 21628 (pb2sat-v2) R 21627 21152 21151 0 -1 0 257358 0 0 0 10471 529 0 0 25 0 1 0 968268576 621314048 144603 4294967295 134512640 135730672 3221224576 3221222828 135281112 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151688 144603 301 301 0 151387 0
vsize: 0

Child status: 1
Real time (s): 114.774
CPU time (s): 114.78
CPU user time (s): 109.187
CPU system time (s): 5.59215
CPU usage (%): 100.005
Max. virtual memory (Kb): 606752
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####