$BENCH_HOME/bin/storm-pomdp --prism $BENCH_HOME/models/water/water_grid_repeat.prism --prop $BENCH_HOME/models/water/water.props rbrmax2 -const B1=1790,B2=150 --timemem --statistics --revised --reward-aware --unfold-reward-bound --belief-exploration discretize --resolution 4 --triangulationmode static
Storm-pomdp. Unfolds cost bounds, cost aware, with discretization and resolution 4
Storm-POMDP 1.9.1 (dev)
Date: Mon Feb 10 15:30:12 2025
Command line arguments: --prism $BENCH_HOME/models/water/water_grid_repeat.prism --prop $BENCH_HOME/models/water/water.props rbrmax2 -const 'B1=1790,B2=150' --timemem --statistics --revised --reward-aware --unfold-reward-bound --belief-exploration discretize --resolution 4 --triangulationmode static
Current working directory: $BENCH_HOME/experiments64gb
Time for model input parsing: 0.002s.
Time for model construction: 0.008s.
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Model type: POMDP (sparse)
States: 34
Transitions: 132
Choices: 130
Observations: 5
Reward Models: homeReached, energy
State Labels: 2 labels
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 5 labels
* flip -> 2 item(s)
* north -> 32 item(s)
* east -> 32 item(s)
* west -> 32 item(s)
* south -> 32 item(s)
--------------------------------------------------------------
Analyzing property 'Pmax=? [true U^{rew{"energy"}<=1790 , rew{"homeReached"}>=150 }true]'
Perform explicit unfolding of reward bounds.
Extend observation function to become reward aware.
bounded reachability processing done. POMDP Information:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 10297047
Transitions: 39948278
Choices: 39328323
Observations: 23
Reward Models: energy, homeReached
State Labels: 4 labels
* dim0_active -> 10296981 item(s)
* dim1_active -> 18829 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 5 labels
* west -> 9677092 item(s)
* south -> 9677092 item(s)
* north -> 9677092 item(s)
* flip -> 619955 item(s)
* east -> 9677092 item(s)
--------------------------------------------------------------
Transformed formula: Pmax=? [(true & "dim0_active") U ((true & "dim0_active") & "dim1_active")]
Time for pre-processing: 30.959s.
Exploring the belief MDP...
Exploring the belief space...
Constructing the belief MDP...
--------------------------------------------------------------
Model type: MDP (sparse)
States: 12760205
Transitions: 51220629
Choices: 48721313
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: 34.705s.
Time for building the belief MDP: 2.256s.
Time for analyzing the belief MDP: 34.856s.
##### POMDP Approximation Statistics ######
# Input model:
--------------------------------------------------------------
Model type: POMDP (sparse)
States: 10297047
Transitions: 39948274
Choices: 39328323
Observations: 41
Reward Models: energy, homeReached
State Labels: 4 labels
* dim0_active -> 10296981 item(s)
* dim1_active -> 18829 item(s)
* deadlock -> 0 item(s)
* init -> 1 item(s)
Choice Labels: 5 labels
* west -> 9677092 item(s)
* south -> 9677092 item(s)
* north -> 9677092 item(s)
* flip -> 619955 item(s)
* east -> 9677092 item(s)
--------------------------------------------------------------
# Max. Number of states with same observation: 2191214
# Pre-computations detected that the belief MDP is finite.
# Total check time: 272.867s
##########################################
Result: ≤ 0.180755753
Time for POMDP analysis: 275.623s.
Performance statistics:
* peak memory usage: 25870MB
* CPU time: 295.288s
* wallclock time: 306.599s
############################## Notes ##############################
Storm-pomdp. Unfolds cost bounds, cost aware, with discretization and resolution 4