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-v2-13-7/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-e226.opb
MD5SUMbf10f3bcbd0eecac72b126009c15ff92
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 3440
Biggest coefficient in the objective function 1526532669440
Number of bits for the biggest coefficient in the objective function 41
Sum of the numbers in the objective function 44802817394775
Number of bits of the sum of numbers in the objective function 46
Biggest number in a constraint 1526532669440
Number of bits of the biggest number in a constraint 41
Biggest sum of numbers in a constraint 44802817394775
Number of bits of the biggest sum of numbers46
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.050991
Number of variables5640
Total number of constraints223
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 constraints223
Minimum length of a constraint20
Maximum length of a constraint2140

Trace number 42692 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-06-16 13:53:24 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25910 boxname=wulflinc6 idbench=1210 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  bf10f3bcbd0eecac72b126009c15ff92  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-e226.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-e226.opb
IDLAUNCH: 25910
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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	: 2
cpu MHz		: 451.042
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:        679416 kB
Buffers:         26832 kB
Cached:         305504 kB
SwapCached:       1000 kB
Active:          27676 kB
Inactive:       306816 kB
HighTotal:      131008 kB
HighFree:          308 kB
LowTotal:       903652 kB
LowFree:        679108 kB
SwapTotal:     2097136 kB
SwapFree:      2095200 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5092 kB
Slab:            15088 kB
Committed_AS:    63844 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 13:55:14 (client local time) WITH STATUS 1 IN 110.523 SECONDS
stats: 25910 7 110.523 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 0.90 1/54 20789
Raw data (stat): 20789 (runsolver) R 20788 25568 25567 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971273513 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+10.001 s]
Raw data (loadavg): 0.93 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 28247 0 0 0 942 57 0 0 25 0 1 0 971273513 85401600 17149 4294967295 134512640 135730672 3221224576 3220959720 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 20850 17150 301 301 0 20549 0
vsize: 83400
[startup+20.0014 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 56621 0 0 0 1884 115 0 0 25 0 1 0 971273513 171257856 34566 4294967295 134512640 135730672 3221224576 3220974016 134770772 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 41811 34567 301 301 0 41510 0
vsize: 167244
[startup+30.0012 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 97132 0 0 0 2799 200 0 0 25 0 1 0 971273513 297799680 53399 4294967295 134512640 135730672 3221224576 3221013360 134770113 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 72705 53399 301 301 0 72404 0
vsize: 290820
[startup+40.0014 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 112680 0 0 0 3769 231 0 0 25 0 1 0 971273513 342032384 68719 4294967295 134512640 135730672 3221224576 3221003664 134786220 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 83504 68720 301 301 0 83203 0
vsize: 334016
[startup+50.0019 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 123016 0 0 0 4748 253 0 0 25 0 1 0 971273513 344195072 78875 4294967295 134512640 135730672 3221224576 3221072848 134609962 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84032 78876 301 301 0 83731 0
vsize: 336128
[startup+60.0017 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 178905 0 0 0 5634 367 0 0 25 0 1 0 971273513 549146624 90641 4294967295 134512640 135730672 3221224576 3221072752 134549032 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 134069 90641 301 301 0 133768 0
vsize: 536276
[startup+70.0018 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 189786 0 0 0 6612 389 0 0 25 0 1 0 971273513 582701056 101327 4294967295 134512640 135730672 3221224576 3221078008 134606737 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 142261 101327 301 301 0 141960 0
vsize: 569044
[startup+80.0023 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 205070 0 0 0 7581 421 0 0 25 0 1 0 971273513 592977920 116383 4294967295 134512640 135730672 3221224576 3221079864 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 144770 116383 301 301 0 144469 0
vsize: 579080
[startup+90.0021 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 224661 0 0 0 8544 458 0 0 25 0 1 0 971273513 621092864 135747 4294967295 134512640 135730672 3221224576 3221084040 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151634 135747 301 301 0 151333 0
vsize: 606536
[startup+100.002 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 240282 0 0 0 9514 488 0 0 25 0 1 0 971273513 693727232 151187 4294967295 134512640 135730672 3221224576 3221085344 134546345 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169367 151187 301 301 0 169066 0
vsize: 677468
[startup+110.005 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 252037 0 0 0 10477 526 0 0 25 0 1 0 971273513 350949376 85236 4294967295 134512640 135730672 3221224576 3221222928 135284078 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85681 85236 301 301 0 85380 0
vsize: 342724
[startup+110.496 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 20789
Raw data (stat): 20789 (pb2sat-v2) R 20788 25568 25567 0 -1 0 252037 0 0 0 10477 526 0 0 25 0 1 0 971273513 350949376 85236 4294967295 134512640 135730672 3221224576 3221222928 135284078 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85681 85236 301 301 0 85380 0
vsize: 0

Child status: 1
Real time (s): 110.495
CPU time (s): 110.523
CPU user time (s): 105.079
CPU system time (s): 5.44417
CPU usage (%): 100.025
Max. virtual memory (Kb): 677468
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####