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-jnh301.opb
MD5SUM	6e0331df7389e344a07566dfc029d495
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	95
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	0.099984
Number of variables	200
Total number of constraints	1000
Number of constraints which are clauses	1000
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	14

Trace number 33627

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc29 THE 2005-05-27 15:17:16 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=1718 boxname=wulflinc29 idbench=191 idsolver=8 numberseed=0
MD5SUM SOLVER: 4b637b3b6117f2add1a6288e91336322  /oldhome/oroussel/solvers/vallstSAT2005PB.sh
MD5SUM BENCH:  6e0331df7389e344a07566dfc029d495  /oldhome/oroussel/tmp/wulflinc29/normalized-jnh301.opb
REAL COMMAND:  vallstSAT2005PB.sh /oldhome/oroussel/tmp/wulflinc29/normalized-jnh301.opb 0
IDLAUNCH: 1718
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.020
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		: 451.020
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:        540660 kB
Buffers:         22620 kB
Cached:         450308 kB
SwapCached:        488 kB
Active:          17900 kB
Inactive:       457320 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        540408 kB
SwapTotal:     2097892 kB
SwapFree:      2096716 kB
Dirty:              52 kB
Writeback:           0 kB
Mapped:           5620 kB
Slab:            13108 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-27 15:17:17 (client local time) WITH STATUS 30 IN 0.786879 SECONDS
stats: 1718 0 0.786879 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
1:
seed: 0
Nr of vars set: 0  (#equs: 0)
Nr of vars set: 170  (#equs: 5)
#decisions: 8;  #end-nodes: 0;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 0 / 80 (80)
#axs: 1006, #non-axs: 0
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:  104 (95:>=*);
#decisions: 27;  #end-nodes: 16;
#proof improvement attempts: 0;  #restarts: 0
Current batch, end-nodes: 16 / 167 (80)
#axs: 1006, #non-axs: 0
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:) 104 (95:>=*)

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: 200  (#equs: 5)
Time taken in milliseconds: 580
times:
0m0.019s 0m0.008s
0m0.569s 0m0.036s
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): 0.79 0.94 0.90 2/54 20538
Raw data (stat): 20538 (runsolver) R 20537 20001 20000 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 857171397 884736 94 4294967295 134512640 135332820 3221224464 3221219628 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+1.13269 s]
Raw data (loadavg): 0.79 0.94 0.90 1/53 20551
Raw data (stat): 20538 (runsolver) R 20537 20001 20000 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 857171397 884736 94 4294967295 134512640 135332820 3221224464 3221219628 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 0

Child status: 30
Real time (s): 1.13246
CPU time (s): 0.786879
CPU user time (s): 0.673897
CPU system time (s): 0.112982
CPU usage (%): 69.4838
Max. virtual memory (Kb): 864
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	95
#### END VERIFIER DATA ####