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-vtp.base.opb
MD5SUM11ee9c7ad363b7002a0bcb50ec24f222
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 121
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 7340026
Number of bits of the sum of numbers in the objective function 23
Biggest number in a constraint 241446566912
Number of bits of the biggest number in a constraint 38
Biggest sum of numbers in a constraint 12785129634632
Number of bits of the biggest sum of numbers44
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.088985
Number of variables3129
Total number of constraints262
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 constraints262
Minimum length of a constraint8
Maximum length of a constraint720

Trace number 42758 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-06-16 14:25:19 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25975 boxname=wulflinc3 idbench=1275 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  11ee9c7ad363b7002a0bcb50ec24f222  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-vtp.base.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-vtp.base.opb
IDLAUNCH: 25975
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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		: 451.190
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:        730688 kB
Buffers:         14840 kB
Cached:         267048 kB
SwapCached:        788 kB
Active:          31212 kB
Inactive:       252872 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        730436 kB
SwapTotal:     2097136 kB
SwapFree:      2095372 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5104 kB
Slab:            14196 kB
Committed_AS:    71900 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 14:27:03 (client local time) WITH STATUS 1 IN 103.781 SECONDS
stats: 25975 7 103.781 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): 0.83 0.91 0.90 2/54 24956
Raw data (stat): 24956 (runsolver) R 24955 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971456897 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+10.0011 s]
Raw data (loadavg): 0.86 0.92 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 27235 0 0 0 939 59 0 0 25 0 1 0 971456897 78237696 16312 4294967295 134512640 135730672 3221224576 3221186480 134770389 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 19101 16312 301 301 0 18800 0
vsize: 76404
[startup+20.0009 s]
Raw data (loadavg): 0.88 0.92 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 53026 0 0 0 1880 118 0 0 25 0 1 0 971456897 153550848 31140 4294967295 134512640 135730672 3221224576 3221183676 134607999 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 37488 31141 301 301 0 37187 0
vsize: 149952
[startup+30.0014 s]
Raw data (loadavg): 0.90 0.92 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 90579 0 0 0 2801 197 0 0 25 0 1 0 971456897 267513856 47017 4294967295 134512640 135730672 3221224576 3221178008 135282201 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 65311 47017 301 301 0 65010 0
vsize: 261244
[startup+40.0016 s]
Raw data (loadavg): 0.91 0.92 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 103700 0 0 0 3772 226 0 0 25 0 1 0 971456897 301744128 59898 4294967295 134512640 135730672 3221224576 3221196272 134546483 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 73668 59898 301 301 0 73367 0
vsize: 294672
[startup+50.0016 s]
Raw data (loadavg): 0.92 0.92 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 146025 0 0 0 4694 304 0 0 25 0 1 0 971456897 503287808 101022 4294967295 134512640 135730672 3221224576 3221209792 134776110 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 122873 101022 301 301 0 122572 0
vsize: 491492
[startup+60.0029 s]
Raw data (loadavg): 0.94 0.93 0.90 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 180799 0 0 0 5619 379 0 0 25 0 1 0 971456897 541036544 93644 4294967295 134512640 135730672 3221224576 3221198256 134550743 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 132089 93644 301 301 0 131788 0
vsize: 528356
[startup+70.0053 s]
Raw data (loadavg): 0.94 0.93 0.91 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 192447 0 0 0 6590 408 0 0 25 0 1 0 971456897 574590976 105080 4294967295 134512640 135730672 3221224576 3221213508 135281249 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 140281 105080 301 301 0 139980 0
vsize: 561124
[startup+80.0053 s]
Raw data (loadavg): 0.95 0.93 0.91 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 206749 0 0 0 7560 437 0 0 25 0 1 0 971456897 574590976 119122 4294967295 134512640 135730672 3221224576 3221199936 134786278 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 140281 119122 301 301 0 139980 0
vsize: 561124
[startup+90.0061 s]
Raw data (loadavg): 0.96 0.93 0.91 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 219148 0 0 0 8531 467 0 0 25 0 1 0 971456897 627085312 131304 4294967295 134512640 135730672 3221224576 3221186752 135282246 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153097 131304 301 301 0 152796 0
vsize: 612388
[startup+100.006 s]
Raw data (loadavg): 0.97 0.93 0.91 2/54 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 240986 0 0 0 9470 527 0 0 25 0 1 0 971456897 282673152 68820 4294967295 134512640 135730672 3221224576 3221222764 135281221 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 69012 68820 301 301 0 68711 0
vsize: 276048
[startup+103.807 s]
Raw data (loadavg): 0.97 0.93 0.91 1/53 24956
Raw data (stat): 24956 (pb2sat-v2) R 24955 20224 20223 0 -1 0 240986 0 0 0 9470 527 0 0 25 0 1 0 971456897 282673152 68820 4294967295 134512640 135730672 3221224576 3221222764 135281221 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 69012 68820 301 301 0 68711 0
vsize: 0

Child status: 1
Real time (s): 103.807
CPU time (s): 103.781
CPU user time (s): 98.363
CPU system time (s): 5.41818
CPU usage (%): 99.9754
Max. virtual memory (Kb): 612388
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####