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/web/uclid_pb_benchmarks/normalized-elf.rf10.ucl.opb
MD5SUM	59052c182e2f0c4ec9aef432e4002ed0
Bench Category	no optimization function (SAT)
Has Objective Function	NO
Satisfiable	NO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function	0
Biggest coefficient in the objective function	0
Number of bits for the biggest coefficient in the objective function	0
Sum of the numbers in the objective function	0
Number of bits of the sum of numbers in the objective function	0
Biggest number in a constraint	67
Number of bits of the biggest number in a constraint	7
Biggest sum of numbers in a constraint	256
Number of bits of the biggest sum of numbers	9
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	20.5079
Number of variables	55066
Total number of constraints	160619
Number of constraints which are clauses	156587
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	4032
Minimum length of a constraint	1
Maximum length of a constraint	13

Trace number 33733

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-05-27 15:58:32 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=2618 boxname=wulflinc1 idbench=291 idsolver=8 numberseed=0
MD5SUM SOLVER: 4b637b3b6117f2add1a6288e91336322  /oldhome/oroussel/solvers/vallstSAT2005PB.sh
MD5SUM BENCH:  59052c182e2f0c4ec9aef432e4002ed0  /oldhome/oroussel/tmp/wulflinc1/normalized-elf.rf10.ucl.opb
REAL COMMAND:  vallstSAT2005PB.sh /oldhome/oroussel/tmp/wulflinc1/normalized-elf.rf10.ucl.opb 0
IDLAUNCH: 2618
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        681904 kB
Buffers:         25840 kB
Cached:         302860 kB
SwapCached:        760 kB
Active:          32088 kB
Inactive:       298924 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        681652 kB
SwapTotal:     2097136 kB
SwapFree:      2095360 kB
Dirty:              40 kB
Writeback:           0 kB
Mapped:           5772 kB
Slab:            15968 kB
Committed_AS:    92720 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-27 15:59:38 (client local time) WITH STATUS 20 IN 65.907 SECONDS
stats: 2618 7 65.907 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
1:
seed: 0
Nr of vars set: 1  (#equs: 0)
Nr of vars set: 5848  (#equs: 9)
#decisions: 25464;  #end-nodes: 4714;
#proof improvement attempts: 0;  #restarts: 2
Current batch, end-nodes: 4316 / 4787 (80)
#axs: 160627, #non-axs: 1660
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: proof of false found (0)
seed: 0
Nr of vars set: 39565  (#equs: 9)
Time taken in seconds: 65
/oldhome/oroussel/solvers/vallstSAT2005PB.sh: line 190: grepres: command not found
/oldhome/oroussel/solvers/vallstSAT2005PB.sh: line 191: [: -eq: unary operator expected
times:
0m0.023s 0m0.007s
1m5.504s 0m0.319s
s UNSATISFIABLE
#### 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): 0.89 0.94 0.90 2/55 12487
Raw data (stat): 12487 (runsolver) R 12486 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 742345683 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+10.0003 s]
Raw data (loadavg): 0.91 0.94 0.90 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+20.001 s]
Raw data (loadavg): 0.92 0.94 0.91 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+30.0007 s]
Raw data (loadavg): 0.93 0.95 0.91 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+40.0014 s]
Raw data (loadavg): 0.94 0.95 0.91 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+50.0022 s]
Raw data (loadavg): 0.95 0.95 0.91 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+60.002 s]
Raw data (loadavg): 0.96 0.95 0.91 2/56 12490
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 2128
[startup+66.2797 s]
Raw data (loadavg): 0.96 0.95 0.91 1/54 12496
Raw data (stat): 12487 (vallstSAT2005PB) S 12486 8378 8377 0 -1 0 321 232 0 0 1 0 0 0 19 0 1 0 742345683 2179072 242 4294967295 134512640 135087896 3221224528 3221223800 1074634510 0 65536 5 1132560122 3222414538 0 0 17 1 0 0
Raw data (statm): 532 242 485 147 0 385 0
vsize: 0

Child status: 20
Real time (s): 66.2795
CPU time (s): 65.907
CPU user time (s): 65.548
CPU system time (s): 0.358945
CPU usage (%): 99.438
Max. virtual memory (Kb): 2128
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####