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-200-2_0-yes1-4.opb
MD5SUM	1b633593ae3968f28a76c6052576ad57
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	0.051991
Number of variables	400
Total number of constraints	600
Number of constraints which are clauses	598
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	2
Minimum length of a constraint	2
Maximum length of a constraint	3

Trace number 33532

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc17 THE 2005-05-27 14:44:34 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=881 boxname=wulflinc17 idbench=98 idsolver=8 numberseed=0
MD5SUM SOLVER: 4b637b3b6117f2add1a6288e91336322  /oldhome/oroussel/solvers/vallstSAT2005PB.sh
MD5SUM BENCH:  1b633593ae3968f28a76c6052576ad57  /oldhome/oroussel/tmp/wulflinc17/normalized-aim-200-2_0-yes1-4.opb
REAL COMMAND:  vallstSAT2005PB.sh /oldhome/oroussel/tmp/wulflinc17/normalized-aim-200-2_0-yes1-4.opb 0
IDLAUNCH: 881
/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:        667192 kB
Buffers:         27032 kB
Cached:         319660 kB
SwapCached:        584 kB
Active:          61020 kB
Inactive:       287916 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        666940 kB
SwapTotal:     2097892 kB
SwapFree:      2096524 kB
Dirty:              48 kB
Writeback:           0 kB
Mapped:           5300 kB
Slab:            12916 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-27 14:44:35 (client local time) WITH STATUS 30 IN 0.687894 SECONDS
stats: 881 0 0.687894 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
1:
seed: 0
Nr of vars set: 0  (#equs: 0)
Nr of vars set: 0  (#equs: 0)
#decisions: 892;  #end-nodes: 120;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 120 / 320 (80)
#axs: 601, #non-axs: 106
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: 62;  #end-nodes: 29;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 29 / 215 (80)
#axs: 601, #non-axs: 128
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: 265  (#equs: 0)
Time taken in milliseconds: 430
times:
0m0.018s 0m0.009s
0m0.293s 0m0.154s
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): 0.36 0.67 0.62 2/54 12796
Raw data (stat): 12796 (runsolver) R 12795 7475 7474 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 856992091 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+1.02448 s]
Raw data (loadavg): 0.36 0.67 0.62 1/53 12809
Raw data (stat): 12796 (runsolver) R 12795 7475 7474 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 856992091 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): 1.02425
CPU time (s): 0.687894
CPU user time (s): 0.450931
CPU system time (s): 0.236963
CPU usage (%): 67.1608
Max. virtual memory (Kb): 864
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	200
#### END VERIFIER DATA ####