$BENCH_HOME/bin/storm-pomdp --prism $BENCH_HOME/models/incline/incline.prism --prop $BENCH_HOME/models/incline/incline.props rbrmax2 -const B1=75,B2=20 --timemem --statistics --revised --reward-aware --belief-exploration unfold --size-threshold 4194304
Storm-pomdp. Sequential approach, cost aware, with cutoffs and size threshold 2^22
Storm-POMDP 1.9.1 (dev)
Date: Mon Feb 10 14:16:25 2025
Command line arguments: --prism $BENCH_HOME/models/incline/incline.prism --prop $BENCH_HOME/models/incline/incline.props rbrmax2 -const 'B1=75,B2=20' --timemem --statistics --revised --reward-aware --belief-exploration unfold --size-threshold 4194304
Current working directory: $BENCH_HOME/experiments64gb
Time for model input parsing: 0.003s.
Time for model construction: 0.017s.
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Model type: POMDP (sparse)
States: 25
Transitions: 110
Choices: 80
Observations: 9
Reward Models: steps, energy
State Labels: 3 labels
* deadlock -> 0 item(s)
* init -> 1 item(s)
* goal -> 1 item(s)
Choice Labels: 4 labels
* north -> 20 item(s)
* east -> 20 item(s)
* south -> 20 item(s)
* west -> 20 item(s)
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Analyzing property 'Pmax=? [true U^{rew{"energy"}<=75 , rew{"steps"}<=20 }"goal"]'
Extend observation function to become reward aware.
bounded reachability processing done. POMDP Information:
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Model type: POMDP (sparse)
States: 68
Transitions: 300
Choices: 218
Observations: 29
Reward Models: steps, energy
State Labels: 3 labels
* goal -> 2 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 4 labels
* west -> 54 item(s)
* south -> 54 item(s)
* north -> 55 item(s)
* east -> 55 item(s)
--------------------------------------------------------------
Transformed formula: Pmax=? [true U^{rew{"energy"}<=75 , rew{"steps"}<=20 }"goal"]
Time for pre-processing: 0.000s.
Exploring the belief MDP...
Exploring the belief space...
Exploration stopped before all beliefs were explored. 4194305 beliefs discovered. 2301981 beliefs explored.
Constructing the belief MDP...
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Model type: MDP (sparse)
States: 4194306
Transitions: 14835212
Choices: 10027069
Reward Models: steps, energy
State Labels: 3 labels
* target -> 2 item(s)
* init -> 1 item(s)
* bottom -> 1 item(s)
Choice Labels: none
--------------------------------------------------------------
Analyzing property 'Pmax=? [true U^{rew{"energy"}<=75 , rew{"steps"}<=20 }"target"]' on the belief MDP...
Transformation of transition rewards resulted in a model with 6496286 states. 1.548834539 times more states than the original belief MDP.
Merging of sink states resulted in a model with 4603962 states.
Epoch model for epoch <_, _> is cyclic.
---------------------------------
Statistics:
---------------------------------
#checked epochs: 497.
overall Time: 1369.684s.
Epoch Model building Time: 1309.210s.
Epoch Model checking Time: 60.472s.
---------------------------------
Time for exploring beliefs: 10.573s.
Time for building the belief MDP: 6.268s.
Time for analyzing the belief MDP: 1389.770s.
##### POMDP Approximation Statistics ######
# Input model:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 68
Transitions: 300
Choices: 218
Observations: 29
Reward Models: steps, energy
State Labels: 3 labels
* goal -> 2 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 4 labels
* west -> 54 item(s)
* south -> 54 item(s)
* north -> 55 item(s)
* east -> 55 item(s)
--------------------------------------------------------------
# Max. Number of states with same observation: 9
# Total check time: 1409.333s
##########################################
Result: ≥ 0.989364624
Time for POMDP analysis: 1409.909s.
Performance statistics:
* peak memory usage: 8785MB
* CPU time: 1403.469s
* wallclock time: 1409.937s
############################## Notes ##############################
Storm-pomdp. Sequential approach, cost aware, with cutoffs and size threshold 2^22