Solver Name | Answer | Objective function | CPU time | Wall clock time |
---|---|---|---|---|
SAT4JPSEUDO 2006.2 Heuristics | OPT | 2 | 0.267959 | 0.261543 |
Name | normalized-PB06/OPT-SMALLINT/submitted-PB05/ sorensson/garden/normalized-g2x2.opb |
MD5SUM | a698ae5e12697244f58af37f254243b4 |
Bench Category | OPT-SMALLINT (optimisation, small integers) |
Best result obtained on this benchmark | OPT |
Best value of the objective obtained on this benchmark | 2 |
Best CPU time to get the best result obtained on this benchmark | 0.000999 |
Has Objective Function | YES |
Satisfiable | YES |
(Un)Satisfiability was proved | YES |
Best value of the objective function | 2 |
Optimality of the best value was proved | YES |
Number of variables | 4 |
Total number of constraints | 4 |
Number of constraints which are clauses | 4 |
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 | 3 |
Maximum length of a constraint | 3 |
Number of terms in the objective function | 4 |
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 | 4 |
Number of bits of the sum of numbers in the objective function | 3 |
Biggest number in a constraint | 1 |
Number of bits of the biggest number in a constraint | 1 |
Biggest sum of numbers in a constraint | 4 |
Number of bits of the biggest sum of numbers | 3 |
Number of products (including duplicates) | 0 |
Sum of products size (including duplicates) | 0 |
Number of different products | 0 |
Sum of products size | 0 |
0.15 c SAT4J: a SATisfiability library for Java (c) 2004-2006 Daniel Le Berre 0.15 c This is free software under the GNU LGPL licence. See www.sat4j.org for details. 0.15 c no version file found!!! 0.15 c sun.arch.data.model 32 0.15 c java.version 1.5.0_06 0.15 c os.name Linux 0.15 c os.version 2.6.9-22.EL.rootsmp 0.15 c os.arch i386 0.15 c Free memory 1548419056 0.15 c Max memory 1551040512 0.15 c Total memory 1551040512 0.15 c Number of processors 2 0.22 c Cutting planes based inference 0.22 c --- Begin Solver configuration --- 0.22 c org.sat4j.minisat.uip.FirstUIP@1df073d 0.22 c org.sat4j.minisat.constraints.PBMaxClauseCardConstrDataStructure@1546e25 0.22 c org.sat4j.minisat.learning.MiniSATLearning@b66cc 0.22 c conflictBoundIncFactor=1.5 learntBoundIncFactor=1.1 initLearntBoundConstraintFactor=10000.0 initConflictBound=100 0.22 c VSIDS like heuristics from MiniSAT using a heap 0.22 c No reason simplification 0.22 c --- End Solver configuration --- 0.22 c solving ROOT/tmp/node20/43040-1149286072/instance-43040-1149286072.opb 0.22 c reading problem ... 0.23 c ... done. Time 0.015 ms. 0.23 c #vars 4 0.23 c #constraints 4 0.24 c SATISFIABLE 0.24 c OPTIMIZING... 0.24 c Got one! Ellapsed CPU time (in seconds):0.021 0.24 o 2 0.25 c starts : 2 0.25 c conflicts : 3 0.25 c decisions : 5 0.25 c propagations : 12 0.25 c inspects : 18 0.25 c learnt literals : 2 0.25 c learnt binary clauses : 0 0.25 c learnt ternary clauses : 0 0.25 c learnt clauses : 0 0.25 c root simplifications : 0 0.25 c removed literals (reason simplification) : 0 0.25 c reason swapping (by a shorter reason) : 0 0.25 c Calls to reduceDB : 0 0.25 c speed (decisions/second) : 1250.0 0.25 c non guided choices 0 0.25 s OPTIMUM FOUND 0.25 v -x1 x2 x3 -x4 0.25 c objective function=2 0.25 c Total wall clock time (ms): 0.029
OK 2
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds Enforcing Stack size limit: 67108864 bytes Enforcing memory limit (will send SIGKILL): 1843200 Kb Enforcing VSIZE limit: 1887436800 bytes runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr command line: runsolver --timestamp -w ROOT/results/node20/watcher-43040-1149286072 -o ROOT/results/node20/solver-43040-1149286072 -C 1800 -M 1800 -S 64 java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node20/43040-1149286072/instance-43040-1149286072.opb 153868293 Current StackSize limit: 67108864 bytes /proc/loadavg: 0.92 0.97 0.91 3/64 27069 /proc/meminfo: memFree=1574904/2055920 swapFree=4181488/4192956 [pid=27069] ppid=27067 vsize=1784 CPUtime=0 /proc/27069/stat : 27069 (java) R 27067 27069 27023 0 -1 0 164 0 0 0 0 0 0 0 19 0 1 0 194270303 1826816 135 18446744073709551615 134512640 134570276 4294956608 18446744073709551615 7901511 0 0 4096 0 0 0 0 17 1 0 0 /proc/27069/statm: 446 137 102 14 0 91 0 Child status: 30 Real time (s): 0.261543 CPU time (s): 0.267959 CPU user time (s): 0.235964 CPU system time (s): 0.031995 CPU usage (%): 102.453 Max. virtual memory (cumulated for all children) (Kb): 0
Begin job on node20 on Fri Jun 2 22:07:52 UTC 2006 FILE ID= 43040-1149286072 PBS_JOBID= 306596 BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/sorensson/garden/normalized-g2x2.opb COMMAND LINE= java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node20/43040-1149286072/instance-43040-1149286072.opb 153868293 RUNSOLVER COMMAND LINE= runsolver --timestamp -w ROOT/results/node20/watcher-43040-1149286072 -o ROOT/results/node20/solver-43040-1149286072 -C 1800 -M 1800 -S 64 java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node20/43040-1149286072/instance-43040-1149286072.opb 153868293 MD5SUM SOLVER= 3cef94aa015dc0dd234d31843a257d70 MD5SUM BENCH= a698ae5e12697244f58af37f254243b4 RANDOM SEED= 153868293 /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.236 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5914.62 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.236 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5586.94 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2055920 kB MemFree: 1575176 kB Buffers: 26688 kB Cached: 380852 kB SwapCached: 3180 kB Active: 50668 kB Inactive: 365556 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2055920 kB LowFree: 1575176 kB SwapTotal: 4192956 kB SwapFree: 4181488 kB Dirty: 204 kB Writeback: 0 kB Mapped: 14772 kB Slab: 50560 kB Committed_AS: 280196 kB PageTables: 1432 kB VmallocTotal: 536870911 kB VmallocUsed: 264952 kB VmallocChunk: 536605679 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB End job on node20 on Fri Jun 2 22:07:52 UTC 2006