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/plato.asu.edu/pub/fctp/normalized-mps-v2-13-7-bk4x3.opb
MD5SUMc2339539ffa69702e62053614fe34ce1
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 44800
Optimality of the best value was proved NO
Number of terms in the objective function 252
Biggest coefficient in the objective function 2621440
Number of bits for the biggest coefficient in the objective function 22
Sum of the numbers in the objective function 35682270
Number of bits of the sum of numbers in the objective function 26
Biggest number in a constraint 2621440
Number of bits of the biggest number in a constraint 22
Biggest sum of numbers in a constraint 35682270
Number of bits of the biggest sum of numbers26
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark24.1133
Number of variables252
Total number of constraints19
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 constraints19
Minimum length of a constraint21
Maximum length of a constraint80

Trace number 25593

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc31 THE 2005-05-21 02:18:16 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=18974 boxname=wulflinc31 idbench=1460 idsolver=7 numberseed=0
MD5SUM SOLVER: d9a5994a76be78982e492b397ce73911  /oldhome/oroussel/solvers/Pueblo
MD5SUM BENCH:  c2339539ffa69702e62053614fe34ce1  /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-bk4x3.opb
REAL COMMAND:  Pueblo /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-bk4x3.opb
IDLAUNCH: 18974
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
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		: 451.153
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        586844 kB
Buffers:         34724 kB
Cached:         392436 kB
SwapCached:       1172 kB
Active:         296728 kB
Inactive:       132820 kB
HighTotal:      131008 kB
HighFree:          336 kB
LowTotal:       903652 kB
LowFree:        586508 kB
SwapTotal:     2097892 kB
SwapFree:      2095980 kB
Dirty:             188 kB
Writeback:           0 kB
Mapped:           5356 kB
Slab:            12624 kB
Committed_AS:    63860 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-21 02:19:47 (client local time) WITH STATUS 30 IN 90.4762 SECONDS
stats: 18974 0 90.4762 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Pueblo version 1.2 (Sept 2004)
c Developed @ University of Michigan, Ann Arbor, MI
c  by Hossein Sheini
c Solving: /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-bk4x3.opb
c #variables read: 252 - #constraints read: 27
c optimum objective found = 44800
s OPTIMUM FOUND
v -X0_bit_7 -X0_bit_6 -X0_bit_5 -X0_bit_4 -X0_bit_3 -X0_bit_2 -X0_bit_1 -X0_bit0 -X0_bit1 -X0_bit2 -X0_bit3 -X0_bit4 -X0_bit5 -X0_bit6 -X0_bit7 -X0_bit8 -X0_bit9 -X0_bit10 -X0_bit11 -X0_bit12 -X1_bit_7 -X1_bit_6 -X1_bit_5 -X1_bit_4 -X1_bit_3 -X1_bit_2 -X1_bit_1 -X1_bit0 -X1_bit1 -X1_bit2 -X1_bit3 -X1_bit4 -X1_bit5 -X1_bit6 -X1_bit7 -X1_bit8 -X1_bit9 -X1_bit10 -X1_bit11 -X1_bit12 -X2_bit_7 -X2_bit_6 -X2_bit_5 -X2_bit_4 -X2_bit_3 -X2_bit_2 -X2_bit_1 -X2_bit0 X2_bit1 -X2_bit2 X2_bit3 -X2_bit4 -X2_bit5 -X2_bit6 -X2_bit7 -X2_bit8 -X2_bit9 -X2_bit10 -X2_bit11 -X2_bit12 -X3_bit_7 -X3_bit_6 -X3_bit_5 -X3_bit_4 -X3_bit_3 -X3_bit_2 -X3_bit_1 -X3_bit0 -X3_bit1 -X3_bit2 -X3_bit3 -X3_bit4 -X3_bit5 -X3_bit6 -X3_bit7 -X3_bit8 -X3_bit9 -X3_bit10 -X3_bit11 -X3_bit12 -X4_bit_7 -X4_bit_6 -X4_bit_5 -X4_bit_4 -X4_bit_3 -X4_bit_2 -X4_bit_1 -X4_bit0 X4_bit1 X4_bit2 X4_bit3 X4_bit4 -X4_bit5 -X4_bit6 -X4_bit7 -X4_bit8 -X4_bit9 -X4_bit10 -X4_bit11 -X4_bit12 -X5_bit_7 -X5_bit_6 -X5_bit_5 -X5_bit_4 -X5_bit_3 -X5_bit_2 -X5_bit_1 -X5_bit0 -X5_bit1 -X5_bit2 -X5_bit3 -X5_bit4 -X5_bit5 -X5_bit6 -X5_bit7 -X5_bit8 -X5_bit9 -X5_bit10 -X5_bit11 -X5_bit12 -X6_bit_7 -X6_bit_6 -X6_bit_5 -X6_bit_4 -X6_bit_3 -X6_bit_2 -X6_bit_1 -X6_bit0 -X6_bit1 X6_bit2 -X6_bit3 X6_bit4 -X6_bit5 -X6_bit6 -X6_bit7 -X6_bit8 -X6_bit9 -X6_bit10 -X6_bit11 -X6_bit12 -X7_bit_7 -X7_bit_6 -X7_bit_5 -X7_bit_4 -X7_bit_3 -X7_bit_2 -X7_bit_1 -X7_bit0 -X7_bit1 X7_bit2 -X7_bit3 X7_bit4 -X7_bit5 -X7_bit6 -X7_bit7 -X7_bit8 -X7_bit9 -X7_bit10 -X7_bit11 -X7_bit12 -X8_bit_7 -X8_bit_6 -X8_bit_5 -X8_bit_4 -X8_bit_3 -X8_bit_2 -X8_bit_1 -X8_bit0 -X8_bit1 -X8_bit2 -X8_bit3 -X8_bit4 -X8_bit5 -X8_bit6 -X8_bit7 -X8_bit8 -X8_bit9 -X8_bit10 -X8_bit11 -X8_bit12 -X9_bit_7 -X9_bit_6 -X9_bit_5 -X9_bit_4 -X9_bit_3 -X9_bit_2 -X9_bit_1 -X9_bit0 -X9_bit1 -X9_bit2 -X9_bit3 -X9_bit4 -X9_bit5 -X9_bit6 -X9_bit7 -X9_bit8 -X9_bit9 -X9_bit10 -X9_bit11 -X9_bit12 -X10_bit_7 -X10_bit_6 -X10_bit_5 -X10_bit_4 -X10_bit_3 -X10_bit_2 -X10_bit_1 -X10_bit0 -X10_bit1 -X10_bit2 -X10_bit3 -X10_bit4 -X10_bit5 -X10_bit6 -X10_bit7 -X10_bit8 -X10_bit9 -X10_bit10 -X10_bit11 -X10_bit12 -X11_bit_7 -X11_bit_6 -X11_bit_5 -X11_bit_4 -X11_bit_3 -X11_bit_2 -X11_bit_1 -X11_bit0 -X11_bit1 X11_bit2 -X11_bit3 X11_bit4 -X11_bit5 -X11_bit6 -X11_bit7 -X11_bit8 -X11_bit9 -X11_bit10 -X11_bit11 -X11_bit12 -Y0_bit0 -Y1_bit0 Y2_bit0 -Y3_bit0 Y4_bit0 -Y5_bit0 Y6_bit0 Y7_bit0 -Y8_bit0 -Y9_bit0 -Y10_bit0 Y11_bit0 
#### 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
Raw data (loadavg): 0.78 0.95 0.90 2/55 4265
Raw data (stat): 4265 (runsolver) R 4264 7876 7672 0 -1 64 5 0 0 0 0 0 0 0 19 0 1 0 800635436 1056768 100 4294967295 134512640 135381576 3221221680 3221216904 135158418 0 2147483391 1 90112 0 0 0 17 1 0 0
Raw data (statm): 258 100 215 215 0 43 0
vsize: 1032
[startup+10.002 s]
Raw data (loadavg): 0.82 0.95 0.90 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 311 0 0 0 990 6 0 0 25 0 1 0 800635436 6955008 288 4294967295 134512640 134581331 3221221792 3221220656 134528316 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 288 566 18 0 1680 0
vsize: 6792
[startup+20.0022 s]
Raw data (loadavg): 0.84 0.95 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 319 0 0 0 1984 12 0 0 25 0 1 0 800635436 6955008 296 4294967295 134512640 134581331 3221221792 3221220856 1075514893 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 296 566 18 0 1680 0
vsize: 6792
[startup+30.0021 s]
Raw data (loadavg): 0.87 0.95 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 322 0 0 0 2977 19 0 0 25 0 1 0 800635436 6955008 299 4294967295 134512640 134581331 3221221792 3221220508 1075288393 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 299 566 18 0 1680 0
vsize: 6792
[startup+40.0026 s]
Raw data (loadavg): 0.89 0.95 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 329 0 0 0 3972 25 0 0 25 0 1 0 800635436 6955008 306 4294967295 134512640 134581331 3221221792 3221220856 1075514893 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 306 566 18 0 1680 0
vsize: 6792
[startup+50.003 s]
Raw data (loadavg): 0.90 0.96 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 330 0 0 0 4967 30 0 0 25 0 1 0 800635436 6955008 307 4294967295 134512640 134581331 3221221792 3221220576 134528824 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 307 566 18 0 1680 0
vsize: 6792
[startup+60.0039 s]
Raw data (loadavg): 0.92 0.96 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 332 0 0 0 5962 35 0 0 25 0 1 0 800635436 6955008 309 4294967295 134512640 134581331 3221221792 3221220688 134517873 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 309 566 18 0 1680 0
vsize: 6792
[startup+70.0041 s]
Raw data (loadavg): 0.93 0.96 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 335 0 0 0 6957 40 0 0 25 0 1 0 800635436 6955008 312 4294967295 134512640 134581331 3221221792 3221220704 134527440 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 312 566 18 0 1680 0
vsize: 6792
[startup+80.0038 s]
Raw data (loadavg): 0.94 0.96 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 336 0 0 0 7953 44 0 0 25 0 1 0 800635436 6955008 313 4294967295 134512640 134581331 3221221792 3221220568 1075285701 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1698 313 566 18 0 1680 0
vsize: 6792
[startup+90.0037 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 339 0 0 0 8946 52 0 0 25 0 1 0 800635436 7077888 316 4294967295 134512640 134581331 3221221792 3221220612 134528700 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1728 316 566 18 0 1710 0
vsize: 6912
[startup+90.4982 s]
Raw data (loadavg): 0.95 0.96 0.91 1/54 4265
Raw data (stat): 4265 (Pueblo) R 4264 7876 7672 0 -1 0 339 0 0 0 8946 52 0 0 25 0 1 0 800635436 7077888 316 4294967295 134512640 134581331 3221221792 3221220612 134528700 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1728 316 566 18 0 1710 0
vsize: 0

Child status: 30
Real time (s): 90.498
CPU time (s): 90.4762
CPU user time (s): 89.9503
CPU system time (s): 0.52592
CPU usage (%): 99.976
Max. virtual memory (Kb): 6912
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	44800
#### END VERIFIER DATA ####