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-200-6_0-yes1-3.opb
MD5SUM	d03ad0e1514eb5c4d3ee3f6b96307e72
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	200
Optimality of the best value was proved	NO
Number of terms in the objective function	400
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	400
Number of bits of the sum of numbers in the objective function	9
Biggest number in a constraint	2
Number of bits of the biggest number in a constraint	2
Biggest sum of numbers in a constraint	400
Number of bits of the biggest sum of numbers	9
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	0.065989
Number of variables	400
Total number of constraints	1400
Number of constraints which are clauses	1395
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	5
Minimum length of a constraint	2
Maximum length of a constraint	3

Trace number 33544

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-05-27 14:44:54 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=944 boxname=wulflinc3 idbench=105 idsolver=8 numberseed=0
MD5SUM SOLVER: 4b637b3b6117f2add1a6288e91336322  /oldhome/oroussel/solvers/vallstSAT2005PB.sh
MD5SUM BENCH:  d03ad0e1514eb5c4d3ee3f6b96307e72  /oldhome/oroussel/tmp/wulflinc3/normalized-aim-200-6_0-yes1-3.opb
REAL COMMAND:  vallstSAT2005PB.sh /oldhome/oroussel/tmp/wulflinc3/normalized-aim-200-6_0-yes1-3.opb 0
IDLAUNCH: 944
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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:        540744 kB
Buffers:         29404 kB
Cached:         444332 kB
SwapCached:         20 kB
Active:          40856 kB
Inactive:       435580 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        540492 kB
SwapTotal:     2097136 kB
SwapFree:      2096780 kB
Dirty:             196 kB
Writeback:           0 kB
Mapped:           6584 kB
Slab:            11656 kB
Committed_AS:    71796 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-27 14:44:55 (client local time) WITH STATUS 30 IN 0.759883 SECONDS
stats: 944 0 0.759883 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
1:
seed: 0
Nr of vars set: 0  (#equs: 0)
Nr of vars set: 2  (#equs: 0)
#decisions: 114;  #end-nodes: 53;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 53 / 190 (80)
#axs: 1401, #non-axs: 46
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:  199 (200:>=*);
#decisions: 40;  #end-nodes: 28;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 28 / 209 (80)
#axs: 1401, #non-axs: 67
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:) 199 (200:>=*)

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: 295  (#equs: 0)
Time taken in milliseconds: 510
times:
0m0.017s 0m0.008s
0m0.363s 0m0.162s
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 -x201  x202 -x203  x204 -x205  x206 -x207  x208 -x209  x210  x211 -x212  x213 -x214 -x215  x216  x217 -x218  x219 -x220 -x221  x222 -x223  x224  x225 -x226 -x227  x228 -x229  x230  x231 -x232 -x233  x234  x235 -x236 -x237  x238  x239 -x240  x241 -x242  x243 -x244 -x245  x246  x247 -x248  x249 -x250 -x251  x252  x253 -x254  x255 -x256 -x257  x258 -x259  x260 -x261  x262 -x263  x264 -x265  x266 -x267  x268  x269 -x270  x271 -x272  x273 -x274  x275 -x276  x277 -x278 -x279  x280 -x281  x282 -x283  x284 -x285  x286  x287 -x288  x289 -x290  x291 -x292 -x293  x294  x295 -x296 -x297  x298 -x299  x300 -x301  x302 -x303  x304  x305 -x306 -x307  x308 -x309  x310  x311 -x312  x313 -x314  x315 -x316  x317 -x318  x319 -x320  x321 -x322  x323 -x324 -x325  x326  x327 -x328 -x329  x330 -x331  x332  x333 -x334 -x335  x336 -x337  x338 -x339  x340  x341 -x342  x343 -x344 -x345  x346 -x347  x348 -x349  x350 -x351  x352  x353 -x354 -x355  x356  x357 -x358  x359 -x360 -x361  x362  x363 -x364 -x365  x366 -x367  x368  x369 -x370  x371 -x372  x373 -x374 -x375  x376  x377 -x378 -x379  x380 -x381  x382  x383 -x384  x385 -x386 -x387  x388  x389 -x390  x391 -x392  x393 -x394  x395 -x396 -x397  x398 -x399  x400 
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): 0.91 0.95 0.70 2/54 17665
Raw data (stat): 17665 (runsolver) R 17664 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 798752758 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+1.14176 s]
Raw data (loadavg): 0.91 0.95 0.70 1/53 17678
Raw data (stat): 17665 (runsolver) R 17664 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 798752758 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): 1.14153
CPU time (s): 0.759883
CPU user time (s): 0.514921
CPU system time (s): 0.244962
CPU usage (%): 66.5669
Max. virtual memory (Kb): 864
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	200
#### END VERIFIER DATA ####