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-forplan.opb
MD5SUMdfc6e74660e6079f7108351001d51bc8
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 9340
Biggest coefficient in the objective function 6454798974976000
Number of bits for the biggest coefficient in the objective function 53
Sum of the numbers in the objective function 1138676908426644728
Number of bits of the sum of numbers in the objective function 60
Biggest number in a constraint 6454798974976000
Number of bits of the biggest number in a constraint 53
Biggest sum of numbers in a constraint 1138676908426644728
Number of bits of the biggest sum of numbers60
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.110982
Number of variables12528
Total number of constraints155
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 constraints155
Minimum length of a constraint27
Maximum length of a constraint9090

Trace number 35051 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc18 THE 2005-05-28 12:06:38 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24362 boxname=wulflinc18 idbench=834 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  dfc6e74660e6079f7108351001d51bc8  /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-forplan.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-forplan.opb
IDLAUNCH: 24362
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.177
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	: 3
cpu MHz		: 451.177
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:        700752 kB
Buffers:         33200 kB
Cached:         267724 kB
SwapCached:        792 kB
Active:          23688 kB
Inactive:       279344 kB
HighTotal:      131008 kB
HighFree:        67116 kB
LowTotal:       903652 kB
LowFree:        633636 kB
SwapTotal:     2097892 kB
SwapFree:      2096240 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5120 kB
Slab:            25264 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 12:08:33 (client local time) WITH STATUS 1 IN 114.195 SECONDS
stats: 24362 7 114.195 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 0.93 0.90 2/54 1504
Raw data (stat): 1504 (runsolver) R 1503 24172 24171 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864658634 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+10.0004 s]
Raw data (loadavg): 0.92 0.93 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 26789 0 0 0 945 54 0 0 25 0 1 0 864658634 89481216 15686 4294967295 134512640 135726644 3221224576 3217470400 134780450 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21846 15686 300 300 0 21546 0
vsize: 87384
[startup+20.0015 s]
Raw data (loadavg): 0.93 0.93 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 55119 0 0 0 1891 108 0 0 25 0 1 0 864658634 175456256 32800 4294967295 134512640 135726644 3221224576 3217477948 135287464 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 42836 32801 300 300 0 42536 0
vsize: 171344
[startup+30.0012 s]
Raw data (loadavg): 0.94 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 90674 0 0 0 2821 178 0 0 25 0 1 0 864658634 351879168 58448 4294967295 134512640 135726644 3221224576 3217476992 134784885 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85908 58452 300 300 0 85608 0
vsize: 343632
[startup+40.001 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 111070 0 0 0 3780 220 0 0 25 0 1 0 864658634 346316800 66336 4294967295 134512640 135726644 3221224576 3217473752 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 84550 66337 300 300 0 84250 0
vsize: 338200
[startup+50.004 s]
Raw data (loadavg): 0.96 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 134113 0 0 0 4735 265 0 0 25 0 1 0 864658634 523476992 89061 4294967295 134512640 135726644 3221224576 3217484560 134771705 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 127802 89063 300 300 0 127502 0
vsize: 511208
[startup+60.0041 s]
Raw data (loadavg): 0.96 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 191950 0 0 0 5618 382 0 0 25 0 1 0 864658634 598523904 102849 4294967295 134512640 135726644 3221224576 3217478892 134604449 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 146124 102849 300 300 0 145824 0
vsize: 584496
[startup+70.0048 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 203361 0 0 0 6593 407 0 0 25 0 1 0 864658634 632078336 114054 4294967295 134512640 135726644 3221224576 3217475728 134554572 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 154316 114054 300 300 0 154016 0
vsize: 617264
[startup+80.0057 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 221378 0 0 0 7560 440 0 0 25 0 1 0 864658634 652398592 131836 4294967295 134512640 135726644 3221224576 3217486552 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 159277 131836 300 300 0 158977 0
vsize: 637108
[startup+90.0056 s]
Raw data (loadavg): 0.98 0.94 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 241405 0 0 0 8523 477 0 0 25 0 1 0 864658634 681488384 151631 4294967295 134512640 135726644 3221224576 3217492040 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 166379 151631 300 300 0 166079 0
vsize: 665516
[startup+100.006 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 257624 0 0 0 9496 505 0 0 25 0 1 0 864658634 755347456 167660 4294967295 134512640 135726644 3221224576 3217486952 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 184411 167661 300 300 0 184111 0
vsize: 737644
[startup+110.006 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 263647 0 0 0 10469 531 0 0 25 0 1 0 864658634 403922944 98163 4294967295 134512640 135726644 3221224576 3221222764 135277577 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 98614 98163 300 300 0 98314 0
vsize: 394456
[startup+114.19 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 1504
Raw data (stat): 1504 (pb2sat) R 1503 24172 24171 0 -1 0 263647 0 0 0 10469 531 0 0 25 0 1 0 864658634 403922944 98163 4294967295 134512640 135726644 3221224576 3221222764 135277577 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 98614 98163 300 300 0 98314 0
vsize: 0

Child status: 1
Real time (s): 114.19
CPU time (s): 114.195
CPU user time (s): 108.676
CPU system time (s): 5.51816
CPU usage (%): 100.004
Max. virtual memory (Kb): 737644
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####