PB'05 competition: run trace

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:

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.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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.
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

Name	normalized-opb/mps-v2-20-10/MIPLIB/miplib3/normalized-mps-v2-20-10-stein45.opb
MD5SUM	5c72b08d2dc855d07dab2f619386e796
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	30
Optimality of the best value was proved	NO
Number of terms in the objective function	45
Biggest coefficient in the objective function	1
Number of bits for the biggest coefficient in the objective function	1
Sum of the numbers in the objective function	45
Number of bits of the sum of numbers in the objective function	6
Biggest number in a constraint	22
Number of bits of the biggest number in a constraint	5
Biggest sum of numbers in a constraint	67
Number of bits of the biggest sum of numbers	7
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1.01384
Number of variables	45
Total number of constraints	376
Number of constraints which are clauses	330
Number of constraints which are cardinality constraints (but not clauses)	46
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	1
Maximum length of a constraint	45

Trace number 31998

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-05-27 07:43:40 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=23427 boxname=wulflinc6 idbench=1071 idsolver=16 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  5c72b08d2dc855d07dab2f619386e796  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-stein45.opb
REAL COMMAND:  minisat+_script -cb -gs /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-stein45.opb
IDLAUNCH: 23427
/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:        915856 kB
Buffers:         13460 kB
Cached:          82928 kB
SwapCached:        444 kB
Active:          19852 kB
Inactive:        78868 kB
HighTotal:      131008 kB
HighFree:        47880 kB
LowTotal:       903652 kB
LowFree:        867976 kB
SwapTotal:     2097136 kB
SwapFree:      2096012 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5700 kB
Slab:            14328 kB
Committed_AS:    63732 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-27 07:45:33 (client local time) WITH STATUS 30 IN 112.954 SECONDS
stats: 23427 0 112.954 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c Converting 331 PB-constraints to clauses...
c   -- Unit propagations: (none)
c   -- Detecting intervals from adjacent constraints: (none)
c   -- Clauses(.)/Splits(s): ..........................................................................................................................................................................................................................................................................................................................................
c ---[   0]---> BDD-cost:  527
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |         0 |    1844     5489 |     614       0        0     nan |  0.000 % |
c ==============================================================================
c [1mFound solution: 35[0m
c ---[   0]---> Sorter-cost:  716     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |         0 |    2542     7145 |     847       0        0     nan |  0.000 % |
c ==============================================================================
c [1mFound solution: 32[0m
c ---[   0]---> Sorter-cost:    0     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |        16 |    2581     7258 |     860      15      279    18.6 |  0.000 % |
c ==============================================================================
c [1mFound solution: 31[0m
c ---[   0]---> Sorter-cost:    0     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |        22 |    2578     7251 |     859      21      309    14.7 |  0.000 % |
c |       123 |    2578     7251 |     944     122     2085    17.1 |  1.506 % |
c |       273 |    2578     7251 |    1039     272     4508    16.6 |  1.506 % |
c |       502 |    2578     7251 |    1143     501     8139    16.2 |  1.506 % |
c |       839 |    2578     7251 |    1257     838    13425    16.0 |  1.504 % |
c |      1346 |    2578     7251 |    1383    1345    21097    15.7 |  1.504 % |
c |      2105 |    2572     7239 |    1521    1322    19491    14.7 |  1.787 % |
c |      3244 |    2572     7239 |    1673    1618    23924    14.8 |  1.787 % |
c |      4952 |    2572     7239 |    1841    1470    21896    14.9 |  1.786 % |
c ==============================================================================
c [1mFound solution: 30[0m
c ---[   0]---> Sorter-cost:    0     Base:
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |      7093 |    2601     7322 |     867    1509    22198    14.7 |  1.786 % |
c |      7193 |    2601     7322 |     953     855    11700    13.7 |  1.846 % |
c |      7343 |    2601     7322 |    1049    1005    14098    14.0 |  1.846 % |
c |      7570 |    2601     7322 |    1153    1232    17527    14.2 |  1.846 % |
c |      7908 |    2601     7322 |    1269     954    12357    13.0 |  1.847 % |
c |      8416 |    2601     7322 |    1396    1462    19272    13.2 |  1.846 % |
c |      9175 |    2601     7322 |    1535    1490    18239    12.2 |  1.847 % |
c |     10314 |    2601     7322 |    1689     927    11290    12.2 |  1.847 % |
c |     12022 |    2601     7322 |    1858    1675    21647    12.9 |  1.847 % |
c |     14584 |    2601     7322 |    2044    1177    14009    11.9 |  1.846 % |
c |     18428 |    2588     7296 |    2248    1707    26247    15.4 |  2.494 % |
c |     24195 |    2579     7277 |    2473    1323    19516    14.8 |  2.954 % |
c |     32845 |    2579     7277 |    2721    2013    26887    13.4 |  2.954 % |
c |     45821 |    2579     7277 |    2993    1761    21677    12.3 |  2.955 % |
c |     65282 |    2579     7277 |    3292    1954    23741    12.1 |  2.955 % |
c |     94474 |    2579     7277 |    3621    3017    39920    13.2 |  2.955 % |
c |    138263 |    2573     7265 |    3983    2722    35871    13.2 |  3.233 % |
c |    203948 |    2528     7143 |    4382    4212    61403    14.6 |  4.065 % |
c |    302474 |    2466     6968 |    4820    3765    51978    13.8 |  4.799 % |
c ==============================================================================
c [1mOptimal solution: 30[0m
s OPTIMUM FOUND
v -V0001_bit0 V0002_bit0 V0003_bit0 V0004_bit0 -V0005_bit0 -V0006_bit0 V0007_bit0 V0008_bit0 -V0009_bit0 V0010_bit0 V0011_bit0 -V0012_bit0 V0013_bit0 -V0014_bit0 V0015_bit0 V0016_bit0 V0017_bit0 -V0018_bit0 -V0019_bit0 V0020_bit0 V0021_bit0 V0022_bit0 V0023_bit0 V0024_bit0 V0025_bit0 V0026_bit0 V0027_bit0 -V0028_bit0 V0029_bit0 V0030_bit0 -V0031_bit0 -V0032_bit0 V0033_bit0 V0034_bit0 V0035_bit0 -V0036_bit0 V0037_bit0 -V0038_bit0 V0039_bit0 V0040_bit0 V0041_bit0 V0042_bit0 -V0043_bit0 V0044_bit0 -V0045_bit0
c _______________________________________________________________________________
c 
c restarts              : 31
c conflicts             : 388251         (3439 /sec)
c decisions             : 455798         (4037 /sec)
c propagations          : 0              (0 /sec)
c inspects              : 0              (0 /sec)
c CPU time              : 112.896 s
c _______________________________________________________________________________
#### 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): 0.85 0.97 0.91 2/54 19324
Raw data (stat): 19324 (runsolver) R 19323 25568 25567 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 796231839 1052672 99 4294967295 134512640 135381576 3221224464 3221219672 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+10.0007 s]
Raw data (loadavg): 0.87 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+20.0007 s]
Raw data (loadavg): 0.89 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+30.0013 s]
Raw data (loadavg): 0.91 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+40.0014 s]
Raw data (loadavg): 0.92 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+50.0021 s]
Raw data (loadavg): 0.93 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+60.0027 s]
Raw data (loadavg): 0.94 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+70.0035 s]
Raw data (loadavg): 0.95 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+80.0033 s]
Raw data (loadavg): 0.96 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+90.0028 s]
Raw data (loadavg): 0.96 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+100.003 s]
Raw data (loadavg): 0.97 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+110.003 s]
Raw data (loadavg): 0.97 0.97 0.91 2/55 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 2124
[startup+112.944 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 19328
Raw data (stat): 19324 (minisat+_script) S 19323 25568 25567 0 -1 0 275 239 0 0 0 0 0 0 19 0 1 0 796231839 2174976 226 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (statm): 531 226 485 147 0 384 0
vsize: 0

Child status: 30
Real time (s): 112.944
CPU time (s): 112.954
CPU user time (s): 112.904
CPU system time (s): 0.049992
CPU usage (%): 100.009
Max. virtual memory (Kb): 2124
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	30
#### END VERIFIER DATA ####