$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 --unfold-reward-bound --belief-exploration unfold --size-threshold 131072
Storm-pomdp. Unfolds cost bounds, not cost-aware, with cutoffs and size threshold 2^17
Storm-POMDP 1.9.1 (dev)
Date: Mon Feb 10 15:04:02 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 --unfold-reward-bound --belief-exploration unfold --size-threshold 131072
Current working directory: $BENCH_HOME/experiments64gb
Time for model input parsing: 0.002s.
Time for model construction: 0.013s.
--------------------------------------------------------------
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)
--------------------------------------------------------------
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: 19887
Transitions: 79014
Choices: 49532
Observations: 124
Reward Models: none
State Labels: 4 labels
* dim0_active -> 19643 item(s)
* goal -> 82 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 9922 item(s)
* stop -> 19887 item(s)
* move -> 19723 item(s)
--------------------------------------------------------------
Transformed formula: Pmax=? [(true & "dim0_active") U ("goal" & "dim0_active")]
Time for pre-processing: 0.015s.
Exploring the belief MDP...
Exploring the belief space...
Exploration stopped before all beliefs were explored. 131073 beliefs discovered. 126878 beliefs explored.
Constructing the belief MDP...
--------------------------------------------------------------
Model type: MDP (sparse)
States: 131075
Transitions: 3319852
Choices: 393213
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: 2.930s.
Time for building the belief MDP: 0.362s.
Time for analyzing the belief MDP: 0.257s.
##### POMDP Approximation Statistics ######
# Input model:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 19887
Transitions: 78653
Choices: 49532
Observations: 125
Reward Models: none
State Labels: 4 labels
* dim0_active -> 19643 item(s)
* goal -> 82 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 3 labels
* observe -> 9922 item(s)
* stop -> 19887 item(s)
* move -> 19723 item(s)
--------------------------------------------------------------
# Max. Number of states with same observation: 9922
# Total check time: 3.715s
##########################################
Result: ≥ 0.001517589312
Time for POMDP analysis: 3.716s.
Performance statistics:
* peak memory usage: 445MB
* CPU time: 3.655s
* wallclock time: 3.752s
############################## Notes ##############################
Storm-pomdp. Unfolds cost bounds, not cost-aware, with cutoffs and size threshold 2^17