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/submitted/manquinho/primes-dimacs-cnf/normalized-aim-100-3_4-yes1-3.opb
MD5SUM	884081467c05044aa43baf5922fae1d2
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	100
Optimality of the best value was proved	NO
Number of terms in the objective function	200
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	200
Number of bits of the sum of numbers in the objective function	8
Biggest number in a constraint	1
Number of bits of the biggest number in a constraint	1
Biggest sum of numbers in a constraint	200
Number of bits of the biggest sum of numbers	8
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	0.035993
Number of variables	200
Total number of constraints	440
Number of constraints which are clauses	440
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	2
Maximum length of a constraint	3

Trace number 33519

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc17 THE 2005-05-27 14:42:51 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=764 boxname=wulflinc17 idbench=85 idsolver=8 numberseed=0
MD5SUM SOLVER: 4b637b3b6117f2add1a6288e91336322  /oldhome/oroussel/solvers/vallstSAT2005PB.sh
MD5SUM BENCH:  884081467c05044aa43baf5922fae1d2  /oldhome/oroussel/tmp/wulflinc17/normalized-aim-100-3_4-yes1-3.opb
REAL COMMAND:  vallstSAT2005PB.sh /oldhome/oroussel/tmp/wulflinc17/normalized-aim-100-3_4-yes1-3.opb 0
IDLAUNCH: 764
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
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		: 451.072
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:        667624 kB
Buffers:         26820 kB
Cached:         319464 kB
SwapCached:        584 kB
Active:          60692 kB
Inactive:       287796 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        667372 kB
SwapTotal:     2097892 kB
SwapFree:      2096524 kB
Dirty:              40 kB
Writeback:           0 kB
Mapped:           5300 kB
Slab:            12892 kB
Committed_AS:    63596 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-27 14:42:52 (client local time) WITH STATUS 30 IN 0.686895 SECONDS
stats: 764 0 0.686895 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
1:
seed: 0
Nr of vars set: 0  (#equs: 0)
Nr of vars set: 4  (#equs: 1)
#decisions: 39;  #end-nodes: 18;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 18 / 177 (80)
#axs: 442, #non-axs: 11
tight: meta-meta: start: 6, end: 9;  meta: start: 12, end (keep): 23
loose: meta-meta: start: 9, end: 14;  meta: start: 30, end (keep): 50
result: model found (1)
Model found with constant:  99 (100:>=*);
#decisions: 48;  #end-nodes: 23;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 23 / 252 (80)
#axs: 442, #non-axs: 21
tight: meta-meta: start: 6, end: 9;  meta: start: 12, end (keep): 23
loose: meta-meta: start: 9, end: 14;  meta: start: 30, end (keep): 50
Model found with constant:
  (pushed:) 99 (100:>=*)

With an increment of the last pushed constant, a proof of false was found.
result: proof of false found (0)
seed: 0
Nr of vars set: 92  (#equs: 1)
Time taken in milliseconds: 490
times:
0m0.018s 0m0.008s
0m0.364s 0m0.144s
v -x1  x2  x3 -x4  x5 -x6 -x7  x8  x9 -x10  x11 -x12  x13 -x14  x15 -x16  x17 -x18 -x19  x20  x21 -x22 -x23  x24 -x25  x26  x27 -x28  x29 -x30  x31 -x32 -x33  x34 -x35  x36 -x37  x38  x39 -x40 -x41  x42  x43 -x44 -x45  x46  x47 -x48  x49 -x50 -x51  x52  x53 -x54  x55 -x56  x57 -x58  x59 -x60  x61 -x62  x63 -x64 -x65  x66  x67 -x68 -x69  x70 -x71  x72  x73 -x74  x75 -x76 -x77  x78  x79 -x80 -x81  x82  x83 -x84 -x85  x86 -x87  x88  x89 -x90 -x91  x92  x93 -x94  x95 -x96  x97 -x98 -x99  x100  x101 -x102  x103 -x104 -x105  x106  x107 -x108  x109 -x110 -x111  x112 -x113  x114  x115 -x116  x117 -x118  x119 -x120  x121 -x122 -x123  x124 -x125  x126 -x127  x128  x129 -x130  x131 -x132 -x133  x134 -x135  x136  x137 -x138 -x139  x140  x141 -x142  x143 -x144  x145 -x146 -x147  x148 -x149  x150  x151 -x152 -x153  x154 -x155  x156 -x157  x158  x159 -x160 -x161  x162  x163 -x164  x165 -x166 -x167  x168  x169 -x170 -x171  x172  x173 -x174 -x175  x176  x177 -x178 -x179  x180  x181 -x182  x183 -x184  x185 -x186 -x187  x188 -x189  x190  x191 -x192  x193 -x194  x195 -x196  x197 -x198 -x199  x200 
s OPTIMUM FOUND
#### 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): 0.53 0.82 0.67 2/54 11417
Raw data (stat): 11417 (runsolver) R 11416 7475 7474 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 856981800 884736 94 4294967295 134512640 135332820 3221224448 3221219612 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+1.02536 s]
Raw data (loadavg): 0.53 0.82 0.67 1/53 11430
Raw data (stat): 11417 (runsolver) R 11416 7475 7474 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 856981800 884736 94 4294967295 134512640 135332820 3221224448 3221219612 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 0

Child status: 30
Real time (s): 1.02513
CPU time (s): 0.686895
CPU user time (s): 0.45793
CPU system time (s): 0.228965
CPU usage (%): 67.0054
Max. virtual memory (Kb): 864
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	100
#### END VERIFIER DATA ####