$BENCH_HOME/bin/storm-pomdp --prism $BENCH_HOME/models/walk/walk.prism --prop $BENCH_HOME/models/walk/walk.props rbrmax1 -const N=40,B1=80 --timemem --statistics --revised --unfold-reward-bound --belief-exploration unfold --size-threshold 1048576
Storm-pomdp. Unfolds cost bounds, not cost-aware, with cutoffs and size threshold 2^20
Storm-POMDP 1.9.1 (dev)
Date: Mon Feb 10 15:03:44 2025
Command line arguments: --prism $BENCH_HOME/models/walk/walk.prism --prop $BENCH_HOME/models/walk/walk.props rbrmax1 -const 'N=40,B1=80' --timemem --statistics --revised --unfold-reward-bound --belief-exploration unfold --size-threshold 1048576
Current working directory: $BENCH_HOME/experiments64gb
Time for model input parsing: 0.001s.
Time for model construction: 0.009s.
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Model type: POMDP (sparse)
States: 84
Transitions: 328
Choices: 207
Observations: 44
Reward Models: obsCost
State Labels: 3 labels
* deadlock -> 0 item(s)
* init -> 1 item(s)
* goal -> 1 item(s)
Choice Labels: 3 labels
* observe -> 41 item(s)
* move -> 82 item(s)
* stop -> 84 item(s)
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Analyzing property 'Pmax=? [true Urew{"obsCost"}<=80 "goal"]'
Perform explicit unfolding of reward bounds.
bounded reachability processing done. POMDP Information:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 6847
Transitions: 26774
Choices: 16892
Observations: 44
Reward Models: none
State Labels: 4 labels
* dim0_active -> 6763 item(s)
* goal -> 82 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 3362 item(s)
* stop -> 6847 item(s)
* move -> 6683 item(s)
--------------------------------------------------------------
Transformed formula: Pmax=? [(true & "dim0_active") U ("goal" & "dim0_active")]
Time for pre-processing: 0.004s.
Exploring the belief MDP...
Exploring the belief space...
Constructing the belief MDP...
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Model type: MDP (sparse)
States: 392576
Transitions: 10302600
Choices: 1174241
Reward Models: none
State Labels: 3 labels
* target -> 1 item(s)
* init -> 1 item(s)
* bottom -> 1 item(s)
Choice Labels: none
--------------------------------------------------------------
Time for exploring beliefs: 8.223s.
Time for building the belief MDP: 0.680s.
Time for analyzing the belief MDP: 93.004s.
##### POMDP Approximation Statistics ######
# Input model:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 6847
Transitions: 26653
Choices: 16892
Observations: 45
Reward Models: none
State Labels: 4 labels
* dim0_active -> 6763 item(s)
* goal -> 82 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 3362 item(s)
* stop -> 6847 item(s)
* move -> 6683 item(s)
--------------------------------------------------------------
# Max. Number of states with same observation: 3362
# Total check time: 102.153s
##########################################
Result: ≥ 0.9164207353
Time for POMDP analysis: 102.153s.
Performance statistics:
* peak memory usage: 1075MB
* CPU time: 101.671s
* wallclock time: 102.173s
############################## Notes ##############################
Storm-pomdp. Unfolds cost bounds, not cost-aware, with cutoffs and size threshold 2^20