Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r047-tajo-171620397700212.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-PT-V20P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397700212
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 18K Apr 13 00:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 124K Apr 13 00:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 158K Apr 13 00:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 632K Apr 13 00:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.3K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 44K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 135K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 13 00:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Apr 13 00:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 284K Apr 13 00:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.1M Apr 13 00:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 790K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716286218561

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 10:10:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 10:10:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 10:10:21] [INFO ] Load time of PNML (sax parser for PT used): 223 ms
[2024-05-21 10:10:21] [INFO ] Transformed 78 places.
[2024-05-21 10:10:21] [INFO ] Transformed 968 transitions.
[2024-05-21 10:10:21] [INFO ] Parsed PT model containing 78 places and 968 transitions and 7350 arcs in 447 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 33 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 61 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 968/968 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 76 transition count 968
Applied a total of 2 rules in 83 ms. Remains 76 /78 variables (removed 2) and now considering 968/968 (removed 0) transitions.
Running 965 sub problems to find dead transitions.
[2024-05-21 10:10:22] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 76 cols
[2024-05-21 10:10:22] [INFO ] Computed 5 invariants in 11 ms
[2024-05-21 10:10:22] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 965 unsolved
[2024-05-21 10:10:32] [INFO ] Deduced a trap composed of 5 places in 295 ms of which 18 ms to minimize.
[2024-05-21 10:10:36] [INFO ] Deduced a trap composed of 25 places in 261 ms of which 2 ms to minimize.
Problem TDEAD528 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD654 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD801 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD843 is UNSAT
Problem TDEAD864 is UNSAT
Problem TDEAD885 is UNSAT
Problem TDEAD906 is UNSAT
Problem TDEAD927 is UNSAT
[2024-05-21 10:10:39] [INFO ] Deduced a trap composed of 24 places in 135 ms of which 1 ms to minimize.
Problem TDEAD108 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD339 is UNSAT
Problem TDEAD360 is UNSAT
Problem TDEAD381 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD507 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 3/8 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/84 constraints. Problems are: Problem set: 42 solved, 923 unsolved
SMT process timed out in 24797ms, After SMT, problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 24883ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
[2024-05-21 10:10:47] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 10:10:47] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:10:47] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-21 10:10:47] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:10:47] [INFO ] Invariant cache hit.
[2024-05-21 10:10:47] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:10:47] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/78 places, 926/968 transitions.
Applied a total of 0 rules in 7 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 25410 ms. Remains : 76/78 places, 926/968 transitions.
Support contains 61 out of 76 places after structural reductions.
[2024-05-21 10:10:48] [INFO ] Flatten gal took : 225 ms
[2024-05-21 10:10:48] [INFO ] Flatten gal took : 184 ms
[2024-05-21 10:10:48] [INFO ] Input system was already deterministic with 926 transitions.
RANDOM walk for 40000 steps (228 resets) in 3008 ms. (13 steps per ms) remains 3/22 properties
BEST_FIRST walk for 40002 steps (84 resets) in 268 ms. (148 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (98 resets) in 169 ms. (235 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (84 resets) in 284 ms. (140 steps per ms) remains 3/3 properties
[2024-05-21 10:10:50] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:10:50] [INFO ] Invariant cache hit.
[2024-05-21 10:10:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 61/71 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/72 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 164/236 variables, 72/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/236 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/236 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/242 variables, 4/122 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/242 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/242 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 123 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2135 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 61/71 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/72 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 164/236 variables, 72/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/236 variables, 40/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/236 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/242 variables, 4/122 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/242 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 3/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/242 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/242 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 242/242 variables, and 126 constraints, problems are : Problem set: 0 solved, 3 unsolved in 747 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 2951ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 517 ms.
Support contains 10 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 73 transition count 924
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 8 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 72 transition count 923
Applied a total of 7 rules in 261 ms. Remains 72 /76 variables (removed 4) and now considering 923/926 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 261 ms. Remains : 72/76 places, 923/926 transitions.
RANDOM walk for 40000 steps (316 resets) in 572 ms. (69 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (150 resets) in 389 ms. (102 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (167 resets) in 322 ms. (123 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (149 resets) in 231 ms. (172 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 203482 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 3
Probabilistic random walk after 203482 steps, saw 59324 distinct states, run finished after 3033 ms. (steps per millisecond=67 ) properties seen :0
[2024-05-21 10:10:57] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
// Phase 1: matrix 163 rows 72 cols
[2024-05-21 10:10:57] [INFO ] Computed 6 invariants in 3 ms
[2024-05-21 10:10:57] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 60/70 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/71 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 163/234 variables, 71/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 40/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/234 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/235 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/235 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 118 constraints, problems are : Problem set: 0 solved, 3 unsolved in 312 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 72/72 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 60/70 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/71 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 163/234 variables, 71/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 40/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/234 variables, 3/120 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/234 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/235 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/235 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/235 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 235/235 variables, and 121 constraints, problems are : Problem set: 0 solved, 3 unsolved in 383 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 72/72 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 771ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 661 ms.
Support contains 10 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 923/923 transitions.
Applied a total of 0 rules in 56 ms. Remains 72 /72 variables (removed 0) and now considering 923/923 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 72/72 places, 923/923 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 923/923 transitions.
Applied a total of 0 rules in 61 ms. Remains 72 /72 variables (removed 0) and now considering 923/923 (removed 0) transitions.
[2024-05-21 10:10:59] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
[2024-05-21 10:10:59] [INFO ] Invariant cache hit.
[2024-05-21 10:10:59] [INFO ] Implicit Places using invariants in 193 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 204 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 70/72 places, 923/923 transitions.
Applied a total of 0 rules in 75 ms. Remains 70 /70 variables (removed 0) and now considering 923/923 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 341 ms. Remains : 70/72 places, 923/923 transitions.
RANDOM walk for 40000 steps (316 resets) in 548 ms. (72 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (149 resets) in 236 ms. (168 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (168 resets) in 232 ms. (171 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (146 resets) in 173 ms. (229 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 264332 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 3
Probabilistic random walk after 264332 steps, saw 75525 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2024-05-21 10:11:03] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
// Phase 1: matrix 163 rows 70 cols
[2024-05-21 10:11:03] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 10:11:03] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 59/69 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 163/232 variables, 69/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 40/113 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/233 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/233 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/233 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 233/233 variables, and 114 constraints, problems are : Problem set: 0 solved, 3 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 70/70 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 59/69 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 163/232 variables, 69/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 40/113 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/233 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/233 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 233/233 variables, and 117 constraints, problems are : Problem set: 0 solved, 3 unsolved in 442 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 70/70 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 776ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 533 ms.
Support contains 10 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 923/923 transitions.
Applied a total of 0 rules in 57 ms. Remains 70 /70 variables (removed 0) and now considering 923/923 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 70/70 places, 923/923 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 923/923 transitions.
Applied a total of 0 rules in 44 ms. Remains 70 /70 variables (removed 0) and now considering 923/923 (removed 0) transitions.
[2024-05-21 10:11:04] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
[2024-05-21 10:11:04] [INFO ] Invariant cache hit.
[2024-05-21 10:11:04] [INFO ] Implicit Places using invariants in 199 ms returned []
[2024-05-21 10:11:04] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
[2024-05-21 10:11:04] [INFO ] Invariant cache hit.
[2024-05-21 10:11:04] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:11:05] [INFO ] Implicit Places using invariants and state equation in 515 ms returned []
Implicit Place search using SMT with State Equation took 731 ms to find 0 implicit places.
[2024-05-21 10:11:05] [INFO ] Redundant transitions in 49 ms returned []
Running 920 sub problems to find dead transitions.
[2024-05-21 10:11:05] [INFO ] Flow matrix only has 163 transitions (discarded 760 similar events)
[2024-05-21 10:11:05] [INFO ] Invariant cache hit.
[2024-05-21 10:11:05] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 920 unsolved
[2024-05-21 10:11:21] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 3 (OVERLAPS) 163/233 variables, 70/75 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 40/115 constraints. Problems are: Problem set: 0 solved, 920 unsolved
[2024-05-21 10:11:32] [INFO ] Deduced a trap composed of 24 places in 125 ms of which 1 ms to minimize.
[2024-05-21 10:11:33] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 920 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 233/233 variables, and 117 constraints, problems are : Problem set: 0 solved, 920 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 70/70 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 920/920 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 920 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 3 (OVERLAPS) 163/233 variables, 70/77 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 40/117 constraints. Problems are: Problem set: 0 solved, 920 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 920/1037 constraints. Problems are: Problem set: 0 solved, 920 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 233/233 variables, and 1037 constraints, problems are : Problem set: 0 solved, 920 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 70/70 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 920/920 constraints, Known Traps: 3/3 constraints]
After SMT, in 63571ms problems are : Problem set: 0 solved, 920 unsolved
Search for dead transitions found 0 dead transitions in 63586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64435 ms. Remains : 70/70 places, 923/923 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 760 transitions
Reduce isomorphic transitions removed 760 transitions.
Iterating post reduction 0 with 760 rules applied. Total rules applied 760 place count 70 transition count 163
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 761 place count 70 transition count 162
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 762 place count 69 transition count 162
Applied a total of 762 rules in 19 ms. Remains 69 /70 variables (removed 1) and now considering 162/923 (removed 761) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 162 rows 69 cols
[2024-05-21 10:12:08] [INFO ] Computed 4 invariants in 3 ms
[2024-05-21 10:12:08] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:12:09] [INFO ] After 224ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2024-05-21 10:12:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:12:09] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2024-05-21 10:12:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-21 10:12:09] [INFO ] After 31ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2024-05-21 10:12:09] [INFO ] After 69ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2024-05-21 10:12:09] [INFO ] After 223ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 496 ms.
Computed a total of 49 stabilizing places and 82 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(p0)||(p0&&F(p1)))&&(p1||F((p1 U (p2||G(p1))))))))'
Support contains 5 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 10:12:09] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 10:12:09] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:12:09] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:12:16] [INFO ] Deduced a trap composed of 5 places in 121 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:12:26] [INFO ] Deduced a trap composed of 25 places in 135 ms of which 2 ms to minimize.
[2024-05-21 10:12:27] [INFO ] Deduced a trap composed of 24 places in 185 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 126 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
After SMT, in 43837ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43855ms
[2024-05-21 10:12:53] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:12:53] [INFO ] Invariant cache hit.
[2024-05-21 10:12:53] [INFO ] Implicit Places using invariants in 208 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 212 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44084 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 395 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 565 ms.
Product exploration explored 100000 steps with 50000 reset in 449 ms.
Computed a total of 47 stabilizing places and 82 stable transitions
Computed a total of 47 stabilizing places and 82 stable transitions
Detected a total of 47/74 stabilizing places and 82/926 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X p2), (X p0), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 21 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-01 finished in 45749 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 23 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 73 transition count 924
Applied a total of 5 rules in 231 ms. Remains 73 /76 variables (removed 3) and now considering 924/926 (removed 2) transitions.
[2024-05-21 10:12:55] [INFO ] Flow matrix only has 164 transitions (discarded 760 similar events)
// Phase 1: matrix 164 rows 73 cols
[2024-05-21 10:12:55] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 10:12:55] [INFO ] Implicit Places using invariants in 167 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 182 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/76 places, 924/926 transitions.
Applied a total of 0 rules in 67 ms. Remains 71 /71 variables (removed 0) and now considering 924/924 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 484 ms. Remains : 71/76 places, 924/926 transitions.
Stuttering acceptance computed with spot in 164 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-02
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-02 finished in 682 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(p0&&F(p1))))'
Support contains 44 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 99 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:12:56] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:12:56] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:12:56] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:13:01] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:13:36] [INFO ] Deduced a trap composed of 25 places in 114 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42923ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42936ms
[2024-05-21 10:13:39] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:13:39] [INFO ] Invariant cache hit.
[2024-05-21 10:13:39] [INFO ] Implicit Places using invariants in 114 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 118 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 55 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43211 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 225 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-03
Stuttering criterion allowed to conclude after 145 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-03 finished in 43457 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 65 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:13:39] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:13:39] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:13:39] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:13:45] [INFO ] Deduced a trap composed of 5 places in 209 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:14:17] [INFO ] Deduced a trap composed of 25 places in 127 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43091ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43104ms
[2024-05-21 10:14:22] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:14:22] [INFO ] Invariant cache hit.
[2024-05-21 10:14:23] [INFO ] Implicit Places using invariants in 204 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 213 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 50 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43448 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 52 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-06
Product exploration explored 100000 steps with 4778 reset in 472 ms.
Product exploration explored 100000 steps with 4803 reset in 357 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/73 stabilizing places and 81/925 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 129 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[p0]
RANDOM walk for 22 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 105 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[p0]
Stuttering acceptance computed with spot in 42 ms :[p0]
[2024-05-21 10:14:24] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 10:14:24] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 10:14:24] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:14:24] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-21 10:14:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:14:24] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:14:24] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2024-05-21 10:14:24] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:14:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 20 ms returned sat
[2024-05-21 10:14:25] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 43 ms.
[2024-05-21 10:14:25] [INFO ] Added : 37 causal constraints over 8 iterations in 304 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 34 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:14:25] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:14:25] [INFO ] Invariant cache hit.
[2024-05-21 10:14:25] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:14:30] [INFO ] Deduced a trap composed of 5 places in 146 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:14:42] [INFO ] Deduced a trap composed of 25 places in 113 ms of which 1 ms to minimize.
[2024-05-21 10:14:42] [INFO ] Deduced a trap composed of 24 places in 125 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 42965ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42975ms
[2024-05-21 10:15:08] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:15:08] [INFO ] Invariant cache hit.
[2024-05-21 10:15:08] [INFO ] Implicit Places using invariants in 201 ms returned []
[2024-05-21 10:15:08] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:15:08] [INFO ] Invariant cache hit.
[2024-05-21 10:15:08] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:15:08] [INFO ] Implicit Places using invariants and state equation in 318 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
[2024-05-21 10:15:08] [INFO ] Redundant transitions in 13 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:15:08] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:15:08] [INFO ] Invariant cache hit.
[2024-05-21 10:15:08] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:15:13] [INFO ] Deduced a trap composed of 5 places in 255 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:15:26] [INFO ] Deduced a trap composed of 25 places in 111 ms of which 1 ms to minimize.
[2024-05-21 10:15:26] [INFO ] Deduced a trap composed of 24 places in 97 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (OVERLAPS) 0/238 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 27732 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 60588ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 60600ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 104157 ms. Remains : 73/73 places, 925/925 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Detected a total of 46/73 stabilizing places and 81/925 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 90 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[p0]
RANDOM walk for 109 steps (0 resets) in 6 ms. (15 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[p0]
Stuttering acceptance computed with spot in 35 ms :[p0]
[2024-05-21 10:16:09] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:16:09] [INFO ] Invariant cache hit.
[2024-05-21 10:16:10] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:16:10] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-21 10:16:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:16:10] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:16:10] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-05-21 10:16:10] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:16:10] [INFO ] [Nat]Added 40 Read/Feed constraints in 16 ms returned sat
[2024-05-21 10:16:10] [INFO ] Computed and/alt/rep : 58/116/58 causal constraints (skipped 104 transitions) in 27 ms.
[2024-05-21 10:16:10] [INFO ] Added : 37 causal constraints over 8 iterations in 135 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 44 ms :[p0]
Product exploration explored 100000 steps with 4928 reset in 292 ms.
Product exploration explored 100000 steps with 4715 reset in 296 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 34 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:16:11] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:16:11] [INFO ] Invariant cache hit.
[2024-05-21 10:16:11] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:16:15] [INFO ] Deduced a trap composed of 5 places in 118 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:16:27] [INFO ] Deduced a trap composed of 25 places in 151 ms of which 1 ms to minimize.
[2024-05-21 10:16:27] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 42515ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42525ms
[2024-05-21 10:16:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:16:53] [INFO ] Invariant cache hit.
[2024-05-21 10:16:53] [INFO ] Implicit Places using invariants in 168 ms returned []
[2024-05-21 10:16:53] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:16:53] [INFO ] Invariant cache hit.
[2024-05-21 10:16:54] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:16:54] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 478 ms to find 0 implicit places.
[2024-05-21 10:16:54] [INFO ] Redundant transitions in 7 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:16:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:16:54] [INFO ] Invariant cache hit.
[2024-05-21 10:16:54] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:16:59] [INFO ] Deduced a trap composed of 5 places in 99 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:17:10] [INFO ] Deduced a trap composed of 25 places in 108 ms of which 1 ms to minimize.
[2024-05-21 10:17:11] [INFO ] Deduced a trap composed of 24 places in 120 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 7 (OVERLAPS) 0/238 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 26452 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 59911ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 59924ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 102982 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-06 finished in 254842 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 6 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:17:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:17:54] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:17:54] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:18:00] [INFO ] Deduced a trap composed of 5 places in 140 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:18:34] [INFO ] Deduced a trap composed of 25 places in 124 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43449ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43461ms
[2024-05-21 10:18:37] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:18:37] [INFO ] Invariant cache hit.
[2024-05-21 10:18:38] [INFO ] Implicit Places using invariants in 188 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 191 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 10 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43671 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 215 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-07
Product exploration explored 100000 steps with 23432 reset in 513 ms.
Product exploration explored 100000 steps with 23357 reset in 464 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 160 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 208 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 318 steps (0 resets) in 9 ms. (31 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 147 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 244 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 7 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:18:40] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 10:18:40] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 10:18:40] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:18:45] [INFO ] Deduced a trap composed of 5 places in 163 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:19:00] [INFO ] Deduced a trap composed of 25 places in 165 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43378ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43404ms
[2024-05-21 10:19:23] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:19:23] [INFO ] Invariant cache hit.
[2024-05-21 10:19:23] [INFO ] Implicit Places using invariants in 133 ms returned []
[2024-05-21 10:19:23] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:19:23] [INFO ] Invariant cache hit.
[2024-05-21 10:19:24] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:19:24] [INFO ] Implicit Places using invariants and state equation in 298 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:19:24] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:19:24] [INFO ] Invariant cache hit.
[2024-05-21 10:19:24] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:19:29] [INFO ] Deduced a trap composed of 5 places in 100 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:19:47] [INFO ] Deduced a trap composed of 25 places in 107 ms of which 9 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62451ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62464ms
Finished structural reductions in LTL mode , in 1 iterations and 106316 ms. Remains : 73/73 places, 925/925 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 104 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 226 steps (0 resets) in 6 ms. (32 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 166 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 23409 reset in 393 ms.
Product exploration explored 100000 steps with 23353 reset in 374 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 176 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 87 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:20:28] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:20:28] [INFO ] Invariant cache hit.
[2024-05-21 10:20:28] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:20:33] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:20:49] [INFO ] Deduced a trap composed of 25 places in 143 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42587ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42600ms
[2024-05-21 10:21:11] [INFO ] Redundant transitions in 19 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:21:11] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:21:11] [INFO ] Invariant cache hit.
[2024-05-21 10:21:11] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:21:16] [INFO ] Deduced a trap composed of 5 places in 150 ms of which 15 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:21:35] [INFO ] Deduced a trap composed of 25 places in 93 ms of which 4 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62835ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62849ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 105574 ms. Remains : 73/73 places, 925/925 transitions.
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 4 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:22:14] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:22:14] [INFO ] Invariant cache hit.
[2024-05-21 10:22:14] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:22:19] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1041 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43150ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43160ms
[2024-05-21 10:22:57] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:22:57] [INFO ] Invariant cache hit.
[2024-05-21 10:22:57] [INFO ] Implicit Places using invariants in 115 ms returned []
[2024-05-21 10:22:57] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:22:57] [INFO ] Invariant cache hit.
[2024-05-21 10:22:57] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:22:57] [INFO ] Implicit Places using invariants and state equation in 295 ms returned []
Implicit Place search using SMT with State Equation took 414 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:22:57] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:22:57] [INFO ] Invariant cache hit.
[2024-05-21 10:22:57] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:23:02] [INFO ] Deduced a trap composed of 5 places in 132 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:23:21] [INFO ] Deduced a trap composed of 25 places in 133 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62967ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62976ms
Finished structural reductions in LTL mode , in 1 iterations and 106572 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-07 finished in 366529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(((p1 U !p2)&&G(p3)))||p0)))'
Support contains 9 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 14 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 10:24:01] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 10:24:01] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:24:01] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:24:06] [INFO ] Deduced a trap composed of 5 places in 96 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:24:16] [INFO ] Deduced a trap composed of 25 places in 82 ms of which 1 ms to minimize.
[2024-05-21 10:24:16] [INFO ] Deduced a trap composed of 24 places in 71 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 (/ 3.0 4.0))
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 timeout
0.0)
(s7 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 126 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
After SMT, in 42927ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42947ms
[2024-05-21 10:24:43] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:24:44] [INFO ] Invariant cache hit.
[2024-05-21 10:24:44] [INFO ] Implicit Places using invariants in 212 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 232 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/76 places, 926/926 transitions.
Applied a total of 0 rules in 12 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43211 ms. Remains : 75/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 284 ms :[(NOT p3), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2)), true, (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2)), (OR (NOT p3) p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-08 finished in 43549 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0||X(G(p1))) U p2)))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 7 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:24:44] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:24:44] [INFO ] Computed 7 invariants in 4 ms
[2024-05-21 10:24:44] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:24:49] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:25:23] [INFO ] Deduced a trap composed of 25 places in 89 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43062ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43079ms
[2024-05-21 10:25:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:25:27] [INFO ] Invariant cache hit.
[2024-05-21 10:25:27] [INFO ] Implicit Places using invariants in 150 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 155 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43248 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p2), (NOT p2), (NOT p1), true]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-09 finished in 43387 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p1)&&p0))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 5 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:25:27] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:25:27] [INFO ] Invariant cache hit.
[2024-05-21 10:25:27] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:25:34] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 1.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1045 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 43250ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43261ms
[2024-05-21 10:26:11] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:26:11] [INFO ] Invariant cache hit.
[2024-05-21 10:26:11] [INFO ] Implicit Places using invariants in 124 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 138 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43409 ms. Remains : 73/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-11
Entered a terminal (fully accepting) state of product in 163 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-11 finished in 43530 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F((G(p1)||G(F(p2))))))'
Support contains 9 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 96 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:26:11] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:26:11] [INFO ] Invariant cache hit.
[2024-05-21 10:26:11] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:26:16] [INFO ] Deduced a trap composed of 5 places in 109 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1045 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 42665ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42681ms
[2024-05-21 10:26:54] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:26:54] [INFO ] Invariant cache hit.
[2024-05-21 10:26:54] [INFO ] Implicit Places using invariants in 96 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 112 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/76 places, 925/926 transitions.
Applied a total of 0 rules in 41 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 42933 ms. Remains : 74/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-12
Product exploration explored 100000 steps with 731 reset in 375 ms.
Stuttering criterion allowed to conclude after 44603 steps with 315 reset in 183 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-12 finished in 43634 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(X(p1))))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 10:26:55] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2024-05-21 10:26:55] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:26:55] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:26:59] [INFO ] Deduced a trap composed of 5 places in 93 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:27:11] [INFO ] Deduced a trap composed of 25 places in 100 ms of which 1 ms to minimize.
[2024-05-21 10:27:11] [INFO ] Deduced a trap composed of 24 places in 82 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 126 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
After SMT, in 42355ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 42364ms
[2024-05-21 10:27:37] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:27:37] [INFO ] Invariant cache hit.
[2024-05-21 10:27:37] [INFO ] Implicit Places using invariants in 141 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 143 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42514 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-13 finished in 42688 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((X(!p1)&&p0))))'
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Running 923 sub problems to find dead transitions.
[2024-05-21 10:27:37] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:27:37] [INFO ] Invariant cache hit.
[2024-05-21 10:27:37] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:27:43] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/84 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 923 unsolved
[2024-05-21 10:27:55] [INFO ] Deduced a trap composed of 25 places in 106 ms of which 1 ms to minimize.
[2024-05-21 10:27:55] [INFO ] Deduced a trap composed of 24 places in 120 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/242 variables, and 126 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (OVERLAPS) 166/242 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 40/126 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 923/1049 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 1049 constraints, problems are : Problem set: 0 solved, 923 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/923 constraints, Known Traps: 3/3 constraints]
After SMT, in 43275ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 43283ms
[2024-05-21 10:28:21] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2024-05-21 10:28:21] [INFO ] Invariant cache hit.
[2024-05-21 10:28:21] [INFO ] Implicit Places using invariants in 157 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 159 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/76 places, 926/926 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43451 ms. Remains : 74/76 places, 926/926 transitions.
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), p1]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-14
Stuttering criterion allowed to conclude after 165 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-14 finished in 43586 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 39 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:28:21] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:28:21] [INFO ] Computed 7 invariants in 3 ms
[2024-05-21 10:28:21] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:28:26] [INFO ] Deduced a trap composed of 5 places in 144 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20051 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:29:01] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43014ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43022ms
[2024-05-21 10:29:04] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:29:04] [INFO ] Invariant cache hit.
[2024-05-21 10:29:04] [INFO ] Implicit Places using invariants in 122 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 136 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 74/76 places, 925/926 transitions.
Applied a total of 0 rules in 45 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43246 ms. Remains : 74/76 places, 925/926 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-15
Product exploration explored 100000 steps with 599 reset in 310 ms.
Product exploration explored 100000 steps with 600 reset in 435 ms.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 58 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
RANDOM walk for 304 steps (0 resets) in 5 ms. (50 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 21 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Support contains 4 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 33 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:29:05] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 74 cols
[2024-05-21 10:29:05] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:29:05] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:29:10] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:29:23] [INFO ] Deduced a trap composed of 25 places in 98 ms of which 1 ms to minimize.
[2024-05-21 10:29:23] [INFO ] Deduced a trap composed of 24 places in 91 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1045 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 43158ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43166ms
[2024-05-21 10:29:48] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:29:48] [INFO ] Invariant cache hit.
[2024-05-21 10:29:49] [INFO ] Implicit Places using invariants in 218 ms returned []
[2024-05-21 10:29:49] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:29:49] [INFO ] Invariant cache hit.
[2024-05-21 10:29:49] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:29:49] [INFO ] Implicit Places using invariants and state equation in 587 ms returned []
Implicit Place search using SMT with State Equation took 809 ms to find 0 implicit places.
[2024-05-21 10:29:49] [INFO ] Redundant transitions in 6 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:29:49] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:29:49] [INFO ] Invariant cache hit.
[2024-05-21 10:29:49] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:29:55] [INFO ] Deduced a trap composed of 5 places in 117 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 26926 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 59774ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 59797ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 103821 ms. Remains : 74/74 places, 925/925 transitions.
Computed a total of 47 stabilizing places and 81 stable transitions
Computed a total of 47 stabilizing places and 81 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
RANDOM walk for 382 steps (0 resets) in 6 ms. (54 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Product exploration explored 100000 steps with 599 reset in 301 ms.
Product exploration explored 100000 steps with 599 reset in 307 ms.
Support contains 4 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 925/925 transitions.
Applied a total of 0 rules in 31 ms. Remains 74 /74 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:30:50] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:30:50] [INFO ] Invariant cache hit.
[2024-05-21 10:30:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:30:54] [INFO ] Deduced a trap composed of 5 places in 120 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 42060ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42067ms
[2024-05-21 10:31:32] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:31:32] [INFO ] Invariant cache hit.
[2024-05-21 10:31:32] [INFO ] Implicit Places using invariants in 160 ms returned []
[2024-05-21 10:31:32] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:31:32] [INFO ] Invariant cache hit.
[2024-05-21 10:31:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:31:32] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 435 ms to find 0 implicit places.
[2024-05-21 10:31:33] [INFO ] Redundant transitions in 18 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:31:33] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:31:33] [INFO ] Invariant cache hit.
[2024-05-21 10:31:33] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:31:37] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (OVERLAPS) 0/239 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
No progress, stopping.
After SMT solving in domain Real declared 239/239 variables, and 121 constraints, problems are : Problem set: 0 solved, 922 unsolved in 27475 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/239 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 922/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/1043 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 74/74 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
After SMT, in 60277ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 60289ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 102857 ms. Remains : 74/74 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-15 finished in 252009 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-07
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 76/76 places, 926/926 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 75 transition count 925
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 925
Applied a total of 2 rules in 21 ms. Remains 75 /76 variables (removed 1) and now considering 925/926 (removed 1) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:32:33] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 75 cols
[2024-05-21 10:32:33] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:32:33] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:32:38] [INFO ] Deduced a trap composed of 5 places in 109 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/240 variables, and 123 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (OVERLAPS) 165/240 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 922/1045 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:33:11] [INFO ] Deduced a trap composed of 25 places in 103 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 240/240 variables, and 1046 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42230ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42240ms
[2024-05-21 10:33:16] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:33:16] [INFO ] Invariant cache hit.
[2024-05-21 10:33:16] [INFO ] Implicit Places using invariants in 144 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 150 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 73/76 places, 925/926 transitions.
Applied a total of 0 rules in 7 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 42422 ms. Remains : 73/76 places, 925/926 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N20-LTLFireability-07
Product exploration explored 100000 steps with 23433 reset in 322 ms.
Product exploration explored 100000 steps with 23410 reset in 338 ms.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 84 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 321 steps (0 resets) in 6 ms. (45 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 101 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 3 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:33:17] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
// Phase 1: matrix 165 rows 73 cols
[2024-05-21 10:33:17] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:33:17] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:33:21] [INFO ] Deduced a trap composed of 5 places in 119 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:33:32] [INFO ] Deduced a trap composed of 25 places in 82 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 42248ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42258ms
[2024-05-21 10:33:59] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:33:59] [INFO ] Invariant cache hit.
[2024-05-21 10:33:59] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-21 10:33:59] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:33:59] [INFO ] Invariant cache hit.
[2024-05-21 10:33:59] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:34:00] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 546 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:34:00] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:34:00] [INFO ] Invariant cache hit.
[2024-05-21 10:34:00] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:34:05] [INFO ] Deduced a trap composed of 5 places in 95 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:34:21] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62287ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62298ms
Finished structural reductions in LTL mode , in 1 iterations and 105110 ms. Remains : 73/73 places, 925/925 transitions.
Computed a total of 46 stabilizing places and 81 stable transitions
Computed a total of 46 stabilizing places and 81 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 318 steps (0 resets) in 6 ms. (45 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 73 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 23386 reset in 466 ms.
Product exploration explored 100000 steps with 23418 reset in 422 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 190 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 61 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:35:04] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:35:04] [INFO ] Invariant cache hit.
[2024-05-21 10:35:04] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:35:10] [INFO ] Deduced a trap composed of 5 places in 112 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:35:27] [INFO ] Deduced a trap composed of 25 places in 94 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 43387ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 43398ms
[2024-05-21 10:35:47] [INFO ] Redundant transitions in 7 ms returned []
Running 922 sub problems to find dead transitions.
[2024-05-21 10:35:47] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:35:47] [INFO ] Invariant cache hit.
[2024-05-21 10:35:47] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:35:52] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:36:10] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 63017ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 63026ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 106504 ms. Remains : 73/73 places, 925/925 transitions.
Support contains 3 out of 73 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 73/73 places, 925/925 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 925/925 (removed 0) transitions.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:36:50] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:36:50] [INFO ] Invariant cache hit.
[2024-05-21 10:36:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:36:55] [INFO ] Deduced a trap composed of 5 places in 108 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 119 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1041 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:37:32] [INFO ] Deduced a trap composed of 25 places in 108 ms of which 1 ms to minimize.
[2024-05-21 10:37:32] [INFO ] Deduced a trap composed of 24 places in 115 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1043 constraints, problems are : Problem set: 0 solved, 922 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 3/3 constraints]
After SMT, in 42744ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 42752ms
[2024-05-21 10:37:33] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:37:33] [INFO ] Invariant cache hit.
[2024-05-21 10:37:33] [INFO ] Implicit Places using invariants in 130 ms returned []
[2024-05-21 10:37:33] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:37:33] [INFO ] Invariant cache hit.
[2024-05-21 10:37:33] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-21 10:37:34] [INFO ] Implicit Places using invariants and state equation in 321 ms returned []
Implicit Place search using SMT with State Equation took 466 ms to find 0 implicit places.
Running 922 sub problems to find dead transitions.
[2024-05-21 10:37:34] [INFO ] Flow matrix only has 165 transitions (discarded 760 similar events)
[2024-05-21 10:37:34] [INFO ] Invariant cache hit.
[2024-05-21 10:37:34] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:37:38] [INFO ] Deduced a trap composed of 5 places in 112 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/79 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 922 unsolved
[2024-05-21 10:37:55] [INFO ] Deduced a trap composed of 25 places in 118 ms of which 1 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 922 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 3 (OVERLAPS) 165/238 variables, 73/80 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 922 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 922/1042 constraints. Problems are: Problem set: 0 solved, 922 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 1042 constraints, problems are : Problem set: 0 solved, 922 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 73/73 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 922/922 constraints, Known Traps: 2/2 constraints]
After SMT, in 62564ms problems are : Problem set: 0 solved, 922 unsolved
Search for dead transitions found 0 dead transitions in 62573ms
Finished structural reductions in LTL mode , in 1 iterations and 105798 ms. Remains : 73/73 places, 925/925 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N20-LTLFireability-07 finished in 363281 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
[2024-05-21 10:38:37] [INFO ] Flatten gal took : 82 ms
[2024-05-21 10:38:37] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-21 10:38:37] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 76 places, 926 transitions and 7020 arcs took 10 ms.
Total runtime 1696006 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-PT-V20P20N20

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 76
TRANSITIONS: 926
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.043s, Sys 0.012s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.005s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1966
MODEL NAME: /home/mcc/execution/413/model
76 places, 926 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P20N20-LTLFireability-15 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716288649085

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
Error in allocating array of size 16777216 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V20P20N20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is BridgeAndVehicles-PT-V20P20N20, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r047-tajo-171620397700212"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N20.tgz
mv BridgeAndVehicles-PT-V20P20N20 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;