diff --git a/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.env b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.env
new file mode 100644
index 000000000..010fd1560
--- /dev/null
+++ b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.env
@@ -0,0 +1,40 @@
+command:
+- timeout
+- -m=8000000
+- -t=900
+- python3
+- /home/pluehne/Documents/ASP/plasp-javier/encodings/planner/runplanner.py
+- --domain=/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
+- --stats
+- --verbose
+- --print-call
+- --translate
+- -B 0.9
+- --parallel=0
+- --shallow
+configuration:
+  id: fd-pb-e0-sh
+  instanceSets:
+  - lpnmr-hard-instances
+  options:
+  - --stats
+  - --verbose
+  - --print-call
+  - --translate
+  - -B 0.9
+  - --parallel=0
+  - --shallow
+exitCode: 0
+instance:
+  domain: grid-round-2-strips
+  instance: 2
+  ipc: ipc-1998
+versions:
+  clingo: 5.2.2
+  fastDownward: 10997:847cdf0069cab0c8841a9958e783d1a7340fe2e9 (2017-11-02 15:10 +0100)
+  planner: 517f2c0422a36582df17ecebb08e879b170cdfe2 (2017-11-21 02:23:06 +0100)
+  plasp: 3.1.0
+  python: 3.6.3
+workingDirectory: /home/pluehne/Documents/ASP/plasp-javier/encodings/planner
+
diff --git a/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.err b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.err
new file mode 100644
index 000000000..5145c6eb5
--- /dev/null
+++ b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.err
@@ -0,0 +1,18 @@
+# configuration: {'id': 'fd-pb-e0-sh', 'options': ['--stats', '--verbose', '--print-call', '--translate', '-B 0.9', '--parallel=0', '--shallow'], 'instanceSets': ['lpnmr-hard-instances']}
+# instance: {'ipc': 'ipc-1998', 'domain': 'grid-round-2-strips', 'instance': 2}
+# command: ['timeout', '-m=8000000', '-t=900', 'python3', '/home/pluehne/Documents/ASP/plasp-javier/encodings/planner/runplanner.py', '--domain=/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', '--stats', '--verbose', '--print-call', '--translate', '-B 0.9', '--parallel=0', '--shallow']
+# working directory: /home/pluehne/Documents/ASP/plasp-javier/encodings/planner
+# exit code: 0
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:13:4-34: info: atom does not occur in any rule head:
+  requires(feature(actionCosts))
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:14:4-33: info: atom does not occur in any rule head:
+  requires(feature(axiomRules))
+
+/home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp:15:4-41: info: atom does not occur in any rule head:
+  requires(feature(conditionalEffects))
+
+# planner call: /home/wv/bin/linux/64/fast-downward/fast-downward.py --translate --build=release64 /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 && plasp-3.1.0 translate --parsing-mode=compatibility output.sas | /home/pluehne/Documents/ASP/plasp-javier/encodings/planner/planner.py - /home/pluehne/Documents/ASP/plasp-javier/encodings/strips/preprocess.lp /home/pluehne/Documents/ASP/plasp-javier/encodings/strips/strips-incremental.lp --stats --verbose -B 0.9  --query-at-last --check-at-last --forbid-actions --force-actions -c planner_on=1   -c _shallow=1  -c _closure=3   -c _parallel=0 
+FINISHED CPU 15.25 MEM 30288 MAXMEM 247912 STALE 1 MAXMEM_RSS 188840
+<time name="ALL">15050</time>
+
diff --git a/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.out b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.out
new file mode 100644
index 000000000..c9fd7ac11
--- /dev/null
+++ b/fd-pb-e0-sh/ipc-1998_grid-round-2-strips_2.out
@@ -0,0 +1,181 @@
+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: [0.020s CPU, 0.024s wall-clock]
+Normalizing task... [0.000s CPU, 0.001s wall-clock]
+Instantiating...
+Generating Datalog program... [0.010s CPU, 0.006s wall-clock]
+Normalizing Datalog program...
+Normalizing Datalog program: [0.020s CPU, 0.020s wall-clock]
+Preparing model... [0.020s CPU, 0.020s wall-clock]
+Generated 46 rules.
+Computing model... [0.500s CPU, 0.505s wall-clock]
+5240 relevant atoms
+2298 auxiliary atoms
+7538 final queue length
+15595 total queue pushes
+Completing instantiation... [1.350s CPU, 1.346s wall-clock]
+Instantiating: [1.900s CPU, 1.905s wall-clock]
+Computing fact groups...
+Finding invariants...
+12 initial candidates
+Finding invariants: [0.020s CPU, 0.019s wall-clock]
+Checking invariant weight... [0.000s CPU, 0.004s wall-clock]
+Instantiating groups... [0.010s CPU, 0.009s wall-clock]
+Collecting mutex groups... [0.000s CPU, 0.003s wall-clock]
+Choosing groups...
+1 uncovered facts
+Choosing groups: [0.010s CPU, 0.008s wall-clock]
+Building translation key... [0.010s CPU, 0.005s wall-clock]
+Computing fact groups: [0.070s CPU, 0.065s wall-clock]
+Building STRIPS to SAS dictionary... [0.000s 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, 0.064s wall-clock]
+Translating task: [1.160s CPU, 1.159s 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: [0.550s CPU, 0.540s 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: [0.180s CPU, 0.170s 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: 49240 KB
+Writing output... [0.380s CPU, 0.423s wall-clock]
+Done! [4.310s CPU, 4.348s wall-clock]
+planner.py version 0.0.1
+
+Time:	 0.80s
+Memory: 103MB
+
+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:	 0.00s
+Memory:		 103MB (+0MB)
+UNSAT
+Iteration Time:	 0.00s
+
+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:	 0.29s
+Memory:		 103MB (+0MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.03s
+Memory:		 106MB (+3MB)
+UNSAT
+Iteration Time:	 0.48s
+
+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:	 0.32s
+Memory:		 118MB (+12MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.03s
+Memory:		 130MB (+12MB)
+UNSAT
+Iteration Time:	 0.53s
+
+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:	 0.31s
+Memory:		 135MB (+5MB)
+Unblocking actions...
+Solving...
+Solving Time:	 0.06s
+Memory:		 144MB (+9MB)
+UNSAT
+Iteration Time:	 0.54s
+
+Iteration 5
+Queue:		 [(4,20,0,True), (5,25,0,True), (6,30,0,True)]
+Grounded Until:	 15
+Grounding...	 [('step', [16]), ('step', [17]), ('step', [18]), ('step', [19]), ('step', [20]), ('check', [20])]
+Grounding Time:	 0.40s
+Memory:		 163MB (+19MB)
+Unblocking actions...
+Solving...
+Solving Time:	 1.22s
+Memory:		 175MB (+12MB)
+UNSAT
+Iteration Time:	 1.79s
+
+Iteration 6
+Queue:		 [(5,25,0,True), (6,30,0,True)]
+Grounded Until:	 20
+Grounding...	 [('step', [21]), ('step', [22]), ('step', [23]), ('step', [24]), ('step', [25]), ('check', [25])]
+Grounding Time:	 0.31s
+Memory:		 187MB (+12MB)
+Unblocking actions...
+Solving...
+Answer: 1
+occurs(action(("move","node5-5","node4-5")),1) occurs(action(("pickup","node5-5","key4")),1) occurs(action(("move","node4-5","node3-5")),2) occurs(action(("move","node3-5","node2-5")),3) occurs(action(("move","node2-5","node2-4")),4) occurs(action(("move","node2-4","node2-3")),5) occurs(action(("move","node2-3","node2-2")),6) occurs(action(("unlock","node2-3","node3-3","key4","triangle")),6) occurs(action(("unlock","node2-2","node3-2","key4","triangle")),7) occurs(action(("move","node2-2","node2-1")),7) occurs(action(("putdown","node2-2","key4")),7) occurs(action(("move","node2-1","node2-0")),8) occurs(action(("move","node2-0","node1-0")),9) occurs(action(("move","node1-0","node0-0")),10) occurs(action(("pickup","node0-0","key0")),11) occurs(action(("move","node0-0","node1-0")),11) occurs(action(("move","node1-0","node1-1")),12) occurs(action(("move","node1-1","node2-1")),13) occurs(action(("move","node2-1","node3-1")),14) occurs(action(("move","node3-1","node4-1")),15) occurs(action(("putdown","node4-1","key0")),16) occurs(action(("move","node4-1","node3-1")),16) occurs(action(("move","node3-1","node3-2")),17) occurs(action(("move","node3-2","node2-2")),18) occurs(action(("move","node2-2","node3-2")),19) occurs(action(("pickup","node2-2","key4")),19) occurs(action(("move","node3-2","node3-3")),20) occurs(action(("unlock","node3-2","node4-2","key4","triangle")),20) occurs(action(("unlock","node3-3","node4-3","key4","triangle")),21) occurs(action(("move","node3-3","node4-3")),22) occurs(action(("unlock","node3-3","node3-4","key4","triangle")),22) occurs(action(("pickup-and-loose","node4-3","key8","key4")),23) occurs(action(("move","node4-3","node4-2")),23) occurs(action(("unlock","node4-3","node4-4","key4","triangle")),23) occurs(action(("unlock","node4-3","node5-3","key4","triangle")),23) occurs(action(("move","node4-2","node3-2")),24) occurs(action(("putdown","node3-2","key8")),25)
+Solving Time:	 4.88s
+Memory:		 207MB (+20MB)
+SAT
+SATISFIABLE
+
+Models       : 1+
+Calls        : 6
+Time         : 9.576s (Solving: 6.10s 1st Model: 4.85s Unsat: 1.24s)
+CPU Time     : 9.530s
+
+Choices      : 19183   
+Conflicts    : 9804     (Analyzed: 9802)
+Restarts     : 105      (Average: 93.35 Last: 73)
+Model-Level  : 51.0    
+Problems     : 6        (Average Length: 14.50 Splits: 0)
+Lemmas       : 9802     (Deleted: 5256)
+  Binary     : 934      (Ratio:   9.53%)
+  Ternary    : 500      (Ratio:   5.10%)
+  Conflict   : 9802     (Average Length:  630.1 Ratio: 100.00%) 
+  Loop       : 0        (Average Length:    0.0 Ratio:   0.00%) 
+  Other      : 0        (Average Length:    0.0 Ratio:   0.00%) 
+Backjumps    : 9802     (Average:  2.26 Max:  61 Sum:  22181)
+  Executed   : 9588     (Average:  1.92 Max:  61 Sum:  18785 Ratio:  84.69%)
+  Bounded    : 214      (Average: 15.87 Max:  27 Sum:   3396 Ratio:  15.31%)
+
+Rules        : 74663   
+Atoms        : 74663   
+Bodies       : 1        (Original: 0)
+Tight        : Yes
+Variables    : 115048   (Eliminated:    0 Frozen: 9415)
+Constraints  : 595315   (Binary:  97.5% Ternary:   1.2% Other:   1.3%)
+
+Memory Peak  : 208MB
+Max. Length  : 25 steps
+Sol. Length  : 25 steps
+
+