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-2.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-2.pddl Parsing... Parsing: [0.030s CPU, 0.028s wall-clock] Normalizing task... [0.000s CPU, 0.001s wall-clock] Instantiating... Generating Datalog program... [0.010s CPU, 0.007s wall-clock] Normalizing Datalog program... Normalizing Datalog program: [0.020s CPU, 0.023s wall-clock] Preparing model... [0.020s CPU, 0.023s wall-clock] Generated 46 rules. Computing model... [0.570s CPU, 0.564s wall-clock] 5240 relevant atoms 2298 auxiliary atoms 7538 final queue length 15595 total queue pushes Completing instantiation... [1.520s CPU, 1.517s wall-clock] Instantiating: [2.140s CPU, 2.143s wall-clock] Computing fact groups... Finding invariants... 12 initial candidates Finding invariants: [0.020s CPU, 0.018s wall-clock] Checking invariant weight... [0.000s CPU, 0.004s wall-clock] Instantiating groups... [0.020s CPU, 0.010s wall-clock] Collecting mutex groups... [0.000s CPU, 0.003s wall-clock] Choosing groups... 1 uncovered facts Choosing groups: [0.010s CPU, 0.009s wall-clock] Building translation key... [0.000s CPU, 0.006s wall-clock] Computing fact groups: [0.070s CPU, 0.070s wall-clock] Building STRIPS to SAS dictionary... [0.010s CPU, 0.002s wall-clock] Building dictionary for full mutex groups... [0.000s CPU, 0.003s wall-clock] Building mutex information... Building mutex information: [0.000s CPU, 0.003s wall-clock] Translating task... Processing axioms... Simplifying axioms... [0.000s CPU, 0.000s wall-clock] Processing axioms: [0.070s CPU, 0.072s wall-clock] Translating task: [1.310s CPU, 1.310s wall-clock] 360 effect conditions simplified 0 implied preconditions added Detecting unreachable propositions... 0 operators removed 0 axioms removed 103 propositions removed Detecting unreachable propositions: [0.600s CPU, 0.599s wall-clock] Reordering and filtering variables... 20 of 20 variables necessary. 1 of 20 mutex groups necessary. 4140 of 4140 operators necessary. 0 of 0 axiom rules necessary. Reordering and filtering variables: [0.190s CPU, 0.194s wall-clock] Translator variables: 20 Translator derived variables: 0 Translator facts: 424 Translator goal facts: 3 Translator mutex groups: 1 Translator total mutex groups size: 11 Translator operators: 4140 Translator axioms: 0 Translator task size: 24548 Translator peak memory: 52428 KB Writing output... [0.420s CPU, 0.458s wall-clock] Done! [4.830s CPU, 4.869s wall-clock] planner.py version 0.0.1 Time: 23.33s Memory: 1248MB 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: 0.11s Memory: 1248MB (+0MB) UNSAT Iteration Time: 0.11s 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 Expected Memory: 1248MB Grounding... [('step', [1]), ('step', [2]), ('step', [3]), ('step', [4]), ('step', [5]), ('check', [5])] Grounding Time: 29.32s Memory: 3776MB (+2528MB) Unblocking actions... Solving... Solving Time: 3.57s Memory: 3981MB (+205MB) UNSAT Iteration Time: 75.88s 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 Expected Memory: 6714.0MB Grounding... [('step', [6]), ('step', [7]), ('step', [8]), ('step', [9]), ('step', [10]), ('check', [10])] Grounding Time: 33.92s Memory: 5215MB (+1234MB) Unblocking actions... Solving... Solving Time: 13.02s Memory: 5410MB (+195MB) UNSAT Iteration Time: 131.14s Iteration 4 Queue: [(3,15,0,True), (4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 10 Expected Memory: 8143.0MB Skipping: not enough memory for grounding... Iteration Time: 0.00s Iteration 5 Queue: [(4,20,0,True), (5,25,0,True), (6,30,0,True)] Grounded Until: 10 Expected Memory: 10876.0MB Skipping: not enough memory for grounding... Iteration Time: 0.00s Iteration 6 Queue: [(5,25,0,True), (6,30,0,True)] Grounded Until: 10 Expected Memory: 13609.0MB Skipping: not enough memory for grounding... Iteration Time: 0.00s Iteration 7 Queue: [(6,30,0,True)] Grounded Until: 10 Expected Memory: 16342.0MB Skipping: not enough memory for grounding... Iteration Time: 0.00s Iteration 8