$BENCH_HOME/bin/storm-pomdp --prism $BENCH_HOME/models/walk/walk.prism --prop $BENCH_HOME/models/walk/walk.props rbrmax1 -const N=120,B1=80 --timemem --statistics --revised --reward-aware --unfold-reward-bound --belief-exploration unfold --size-threshold 1048576
Storm-pomdp. Unfolds cost bounds, cost aware, with cutoffs and size threshold 2^20
Storm-POMDP 1.9.1 (dev)
Date: Mon Feb 10 15:03:50 2025
Command line arguments: --prism $BENCH_HOME/models/walk/walk.prism --prop $BENCH_HOME/models/walk/walk.props rbrmax1 -const 'N=120,B1=80' --timemem --statistics --revised --reward-aware --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: 0.007s.
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Model type: POMDP (sparse)
States: 244
Transitions: 968
Choices: 607
Observations: 124
Reward Models: obsCost
State Labels: 3 labels
* deadlock -> 0 item(s)
* init -> 1 item(s)
* goal -> 1 item(s)
Choice Labels: 3 labels
* observe -> 121 item(s)
* move -> 242 item(s)
* stop -> 244 item(s)
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Analyzing property 'Pmax=? [true Urew{"obsCost"}<=80 "goal"]'
Perform explicit unfolding of reward bounds.
Extend observation function to become reward aware.
bounded reachability processing done. POMDP Information:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 29689
Transitions: 127943
Choices: 78938
Observations: 126
Reward Models: obsCost
State Labels: 4 labels
* goal -> 82 item(s)
* dim0_active -> 29324 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 19724 item(s)
* stop -> 29689 item(s)
* move -> 29525 item(s)
--------------------------------------------------------------
Transformed formula: Pmax=? [(true & "dim0_active") U ("goal" & "dim0_active")]
Time for pre-processing: 0.024s.
Exploring the belief MDP...
Exploring the belief space...
Exploration stopped before all beliefs were explored. 1048578 beliefs discovered. 1031519 beliefs explored.
Constructing the belief MDP...
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Model type: MDP (sparse)
States: 1048547
Transitions: 44935287
Choices: 3153925
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: 58.173s.
Time for building the belief MDP: 7.820s.
Time for analyzing the belief MDP: 76.932s.
##### POMDP Approximation Statistics ######
# Input model:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 29689
Transitions: 127341
Choices: 78938
Observations: 127
Reward Models: obsCost
State Labels: 4 labels
* goal -> 82 item(s)
* dim0_active -> 29324 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 19724 item(s)
* stop -> 29689 item(s)
* move -> 29525 item(s)
--------------------------------------------------------------
# Max. Number of states with same observation: 9922
# Total check time: 143.651s
##########################################
Result: ≥ 0.2929801756
Time for POMDP analysis: 143.653s.
Performance statistics:
* peak memory usage: 4957MB
* CPU time: 142.327s
* wallclock time: 143.689s
############################## Notes ##############################
Storm-pomdp. Unfolds cost bounds, cost aware, with cutoffs and size threshold 2^20