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/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-ran12x21.opb
MD5SUM592fea06f126ca9b3a8a014f1e413b01
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 7773351
Optimality of the best value was proved NO
Number of terms in the objective function 7812
Biggest coefficient in the objective function 5368709120
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 1543007621731
Number of bits of the sum of numbers in the objective function 41
Biggest number in a constraint 5368709120
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 1543007621731
Number of bits of the biggest sum of numbers41
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1226.04
Number of variables7812
Total number of constraints285
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 constraints285
Minimum length of a constraint31
Maximum length of a constraint630

Trace number 35311

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc5 THE 2005-05-28 12:51:30 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24627 boxname=wulflinc5 idbench=1099 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  592fea06f126ca9b3a8a014f1e413b01  /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-ran12x21.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-ran12x21.opb
IDLAUNCH: 24627
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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		: 451.007
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:        708172 kB
Buffers:         34084 kB
Cached:         267772 kB
SwapCached:        608 kB
Active:          15572 kB
Inactive:       288280 kB
HighTotal:      131008 kB
HighFree:        54880 kB
LowTotal:       903652 kB
LowFree:        653292 kB
SwapTotal:     2097136 kB
SwapFree:      2095612 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5132 kB
Slab:            17008 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:53:12 (client local time) WITH STATUS 1 IN 102.475 SECONDS
stats: 24627 7 102.475 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): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (runsolver) R 19739 7266 7265 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806720941 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+10.0007 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 28536 0 0 0 935 63 0 0 25 0 1 0 806720941 90419200 17419 4294967295 134512640 135726644 3221224576 3218202232 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 22075 17420 300 300 0 21775 0
vsize: 88300
[startup+20.001 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 58526 0 0 0 1877 121 0 0 25 0 1 0 806720941 178135040 36179 4294967295 134512640 135726644 3221224576 3218191336 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43490 36179 300 300 0 43190 0
vsize: 173960
[startup+30.0014 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 100105 0 0 0 2798 201 0 0 25 0 1 0 806720941 302845952 55553 4294967295 134512640 135726644 3221224576 3218288240 134558200 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 73937 55553 300 300 0 73637 0
vsize: 295748
[startup+40.0016 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 117803 0 0 0 3757 242 0 0 25 0 1 0 806720941 352620544 73009 4294967295 134512640 135726644 3221224576 3218433728 134554691 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 86089 73010 300 300 0 85789 0
vsize: 344356
[startup+50.0023 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 164145 0 0 0 4671 329 0 0 25 0 1 0 806720941 567275520 118146 4294967295 134512640 135726644 3221224576 3218709712 135280446 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 138495 118146 300 300 0 138195 0
vsize: 553980
[startup+60.0027 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 199156 0 0 0 5592 408 0 0 25 0 1 0 806720941 634380288 109980 4294967295 134512640 135726644 3221224576 3218302000 134780450 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 154878 109980 300 300 0 154578 0
vsize: 619512
[startup+70.0029 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 213157 0 0 0 6562 438 0 0 25 0 1 0 806720941 634920960 123738 4294967295 134512640 135726644 3221224576 3218395664 134767085 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 155010 123740 300 300 0 154710 0
vsize: 620040
[startup+80.0036 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 234799 0 0 0 7519 481 0 0 25 0 1 0 806720941 665739264 145131 4294967295 134512640 135726644 3221224576 3218831464 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 162534 145131 300 300 0 162234 0
vsize: 650136
[startup+90.0029 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 252411 0 0 0 8480 520 0 0 25 0 1 0 806720941 740941824 162541 4294967295 134512640 135726644 3221224576 3218413668 135289086 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 180894 162542 300 300 0 180594 0
vsize: 723576
[startup+100.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 266698 0 0 0 9450 550 0 0 25 0 1 0 806720941 762130432 176633 4294967295 134512640 135726644 3221224576 3221222988 135280490 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 186067 176633 300 300 0 185767 0
vsize: 744268
[startup+102.471 s]
Raw data (loadavg): 0.99 0.97 0.91 1/53 19740
Raw data (stat): 19740 (pb2sat) R 19739 7266 7265 0 -1 0 266698 0 0 0 9450 550 0 0 25 0 1 0 806720941 762130432 176633 4294967295 134512640 135726644 3221224576 3221222988 135280490 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 186067 176633 300 300 0 185767 0
vsize: 0

Child status: 1
Real time (s): 102.471
CPU time (s): 102.475
CPU user time (s): 96.6103
CPU system time (s): 5.86511
CPU usage (%): 100.004
Max. virtual memory (Kb): 744268
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####