INFO Running translator. INFO translator input: ['/home/pluehne/Documents/ASP/pddl-instances/ipc-1998/domains/grid-round-2-strips/domain.pddl', '/home/pluehne/Documents/ASP/pddl-instances/ipc-1998/domains/grid-round-2-strips/instances/instance-1.pddl'] INFO translator arguments: [] INFO translator time limit: None INFO translator memory limit: None INFO callstring: /home/pluehne/.usr/bin/python /home/wv/bin/linux/64/fast-downward-10997/builds/release64/bin/translate/translate.py /home/pluehne/Documents/ASP/pddl-instances/ipc-1998/domains/grid-round-2-strips/domain.pddl /home/pluehne/Documents/ASP/pddl-instances/ipc-1998/domains/grid-round-2-strips/instances/instance-1.pddl Parsing... Parsing: [0.030s CPU, 0.028s wall-clock] Normalizing task... [0.000s CPU, 0.002s wall-clock] Instantiating... Generating Datalog program... [0.010s CPU, 0.007s wall-clock] Normalizing Datalog program... Normalizing Datalog program: [0.020s CPU, 0.024s wall-clock] Preparing model... [0.020s CPU, 0.023s wall-clock] Generated 46 rules. Computing model... [0.330s CPU, 0.323s wall-clock] 3114 relevant atoms 1522 auxiliary atoms 4636 final queue length 9238 total queue pushes Completing instantiation... [0.790s CPU, 0.789s wall-clock] Instantiating: [1.170s CPU, 1.170s wall-clock] Computing fact groups... Finding invariants... 12 initial candidates Finding invariants: [0.010s CPU, 0.014s wall-clock] Checking invariant weight... [0.000s CPU, 0.003s wall-clock] Instantiating groups... [0.010s CPU, 0.006s wall-clock] Collecting mutex groups... [0.000s CPU, 0.002s wall-clock] Choosing groups... 1 uncovered facts Choosing groups: [0.000s CPU, 0.007s wall-clock] Building translation key... [0.010s CPU, 0.004s wall-clock] Computing fact groups: [0.050s CPU, 0.047s wall-clock] Building STRIPS to SAS dictionary... [0.000s CPU, 0.001s wall-clock] Building dictionary for full mutex groups... [0.000s CPU, 0.001s wall-clock] Building mutex information... Building mutex information: [0.000s CPU, 0.002s wall-clock] Translating task... Processing axioms... Simplifying axioms... [0.000s CPU, 0.000s wall-clock] Processing axioms: [0.040s CPU, 0.037s wall-clock] Translating task: [0.630s CPU, 0.634s wall-clock] 225 effect conditions simplified 0 implied preconditions added Detecting unreachable propositions... 0 operators removed 0 axioms removed 69 propositions removed Detecting unreachable propositions: [0.310s CPU, 0.312s wall-clock] Reordering and filtering variables... 19 of 19 variables necessary. 1 of 19 mutex groups necessary. 2384 of 2384 operators necessary. 0 of 0 axiom rules necessary. Reordering and filtering variables: [0.100s CPU, 0.098s wall-clock] Translator variables: 19 Translator derived variables: 0 Translator facts: 277 Translator goal facts: 1 Translator mutex groups: 1 Translator total mutex groups size: 10 Translator operators: 2384 Translator axioms: 0 Translator task size: 14119 Translator peak memory: 42584 KB Writing output... [0.220s CPU, 0.242s wall-clock] Done! [2.540s CPU, 2.568s wall-clock] planner.py version 0.0.1 Time: 16.87s Memory: 825MB Iteration 1 Queue: [(0,0,0,True), (1,5,0,True), (2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 0 Solving... Solving Time: 0.10s Memory: 825MB (+0MB) UNSAT Iteration Time: 0.10s Iteration 2 Queue: [(1,5,0,True), (2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 0 Grounding... [('step', [1]), ('step', [2]), ('step', [3]), ('step', [4]), ('step', [5]), ('check', [5])] Grounding Time: 0.35s Memory: 841MB (+16MB) Unblocking actions... Solving... Solving Time: 0.03s Memory: 848MB (+7MB) UNSAT Iteration Time: 0.59s Iteration 3 Queue: [(2,10,0,True), (3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 5 Grounding... [('step', [6]), ('step', [7]), ('step', [8]), ('step', [9]), ('step', [10]), ('check', [10])] Grounding Time: 0.34s Memory: 854MB (+6MB) Unblocking actions... Solving... Solving Time: 0.03s Memory: 867MB (+13MB) UNSAT Iteration Time: 0.60s Iteration 4 Queue: [(3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 10 Grounding... [('step', [11]), ('step', [12]), ('step', [13]), ('step', [14]), ('step', [15]), ('check', [15])] Grounding Time: 0.35s Memory: 869MB (+2MB) Unblocking actions... Solving... Answer: 1 occurs(action(("move","node2-4","node1-4")),1) occurs(action(("move","node1-4","node1-3")),2) occurs(action(("pickup","node1-3","key1")),3) occurs(action(("move","node1-3","node1-2")),3) occurs(action(("move","node1-2","node0-2")),4) occurs(action(("putdown","node1-2","key1")),4) occurs(action(("pickup","node0-2","key3")),5) occurs(action(("move","node0-2","node1-2")),5) occurs(action(("move","node1-2","node1-3")),6) occurs(action(("unlock","node1-3","node2-3","key3","square")),7) occurs(action(("move","node1-3","node2-3")),8) occurs(action(("putdown","node1-3","key3")),8) occurs(action(("pickup","node2-3","key0")),9) occurs(action(("move","node2-3","node2-4")),10) occurs(action(("move","node2-4","node1-4")),11) occurs(action(("move","node1-4","node1-3")),12) occurs(action(("move","node1-3","node1-2")),13) occurs(action(("move","node1-2","node1-1")),14) occurs(action(("putdown","node1-1","key0")),15) Solving Time: 0.08s Memory: 893MB (+24MB) SAT SATISFIABLE Models : 1+ Calls : 4 Time : 18.836s (Solving: 0.05s 1st Model: 0.05s Unsat: 0.00s) CPU Time : 18.810s Choices : 620 Conflicts : 264 (Analyzed: 263) Restarts : 2 (Average: 131.50 Last: 78) Model-Level : 42.0 Problems : 4 (Average Length: 9.50 Splits: 0) Lemmas : 263 (Deleted: 0) Binary : 39 (Ratio: 14.83%) Ternary : 20 (Ratio: 7.60%) Conflict : 263 (Average Length: 365.0 Ratio: 100.00%) Loop : 0 (Average Length: 0.0 Ratio: 0.00%) Other : 0 (Average Length: 0.0 Ratio: 0.00%) Backjumps : 263 (Average: 3.22 Max: 37 Sum: 846) Executed : 246 (Average: 2.26 Max: 37 Sum: 594 Ratio: 70.21%) Bounded : 17 (Average: 14.82 Max: 17 Sum: 252 Ratio: 29.79%) Rules : 8432579 Atoms : 8432579 Bodies : 1 (Original: 0) Tight : Yes Variables : 38571 (Eliminated: 0 Frozen: 30880) Constraints : 125349 (Binary: 96.9% Ternary: 1.5% Other: 1.6%) Memory Peak : 893MB Max. Length : 15 steps Sol. Length : 15 steps