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

