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-171620397700204.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-V20P20N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397700204
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 15K Apr 13 01:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Apr 13 01:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 52K Apr 13 01:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 220K Apr 13 01:37 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 6.4K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 86K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Apr 13 01:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 181K Apr 13 01:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 156K Apr 13 01:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 648K Apr 13 01:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.1K 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 434K 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-V20P20N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716285485470

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-V20P20N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 09:58:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 09:58:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 09:58:07] [INFO ] Load time of PNML (sax parser for PT used): 179 ms
[2024-05-21 09:58:07] [INFO ] Transformed 68 places.
[2024-05-21 09:58:07] [INFO ] Transformed 548 transitions.
[2024-05-21 09:58:07] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 395 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 66 transition count 548
Applied a total of 2 rules in 51 ms. Remains 66 /68 variables (removed 2) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2024-05-21 09:58:08] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 66 cols
[2024-05-21 09:58:08] [INFO ] Computed 5 invariants in 10 ms
[2024-05-21 09:58:08] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 545 unsolved
[2024-05-21 09:58:12] [INFO ] Deduced a trap composed of 5 places in 510 ms of which 28 ms to minimize.
[2024-05-21 09:58:14] [INFO ] Deduced a trap composed of 15 places in 489 ms of which 27 ms to minimize.
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
[2024-05-21 09:58:14] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 11 ms to minimize.
Problem TDEAD88 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD297 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/8 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/74 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/196 variables, 0/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 96 constraints, problems are : Problem set: 42 solved, 503 unsolved in 13596 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 42 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 3/8 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/74 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/96 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 503/599 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/599 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 599 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 503/545 constraints, Known Traps: 3/3 constraints]
After SMT, in 35862ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 35944ms
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 09:58:43] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 09:58:43] [INFO ] Computed 7 invariants in 5 ms
[2024-05-21 09:58:43] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-21 09:58:43] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:43] [INFO ] Invariant cache hit.
[2024-05-21 09:58:43] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:58:43] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/68 places, 506/548 transitions.
Applied a total of 0 rules in 8 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36206 ms. Remains : 66/68 places, 506/548 transitions.
Support contains 65 out of 66 places after structural reductions.
[2024-05-21 09:58:44] [INFO ] Flatten gal took : 99 ms
[2024-05-21 09:58:44] [INFO ] Flatten gal took : 81 ms
[2024-05-21 09:58:44] [INFO ] Input system was already deterministic with 506 transitions.
Reduction of identical properties reduced properties to check from 19 to 18
RANDOM walk for 40000 steps (224 resets) in 5150 ms. (7 steps per ms) remains 2/18 properties
BEST_FIRST walk for 40004 steps (85 resets) in 263 ms. (151 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (80 resets) in 113 ms. (350 steps per ms) remains 2/2 properties
[2024-05-21 09:58:46] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:46] [INFO ] Invariant cache hit.
[2024-05-21 09:58:46] [INFO ] State equation strengthened by 20 read => feed constraints.
Problem AtomicPropp13 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/60 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/185 variables, 61/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 20/87 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/192 variables, 5/92 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 1/93 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 93 constraints, problems are : Problem set: 1 solved, 1 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 56/60 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/185 variables, 61/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 20/87 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/192 variables, 5/92 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 1/93 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 1/94 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 94 constraints, problems are : Problem set: 1 solved, 1 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 403ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
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 63 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 61 transition count 502
Applied a total of 9 rules in 133 ms. Remains 61 /66 variables (removed 5) and now considering 502/506 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 61/66 places, 502/506 transitions.
RANDOM walk for 40000 steps (315 resets) in 449 ms. (88 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (137 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 83823 steps, run visited all 1 properties in 397 ms. (steps per millisecond=211 )
Probabilistic random walk after 83823 steps, saw 25176 distinct states, run finished after 401 ms. (steps per millisecond=209 ) properties seen :1
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
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(F(p0)))'
Support contains 1 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 5 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 09:58:48] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:58:48] [INFO ] Invariant cache hit.
[2024-05-21 09:58:48] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 09:58:51] [INFO ] Deduced a trap composed of 5 places in 162 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 9186 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 597 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
After SMT, in 30945ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30967ms
[2024-05-21 09:59:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 09:59:19] [INFO ] Invariant cache hit.
[2024-05-21 09:59:19] [INFO ] Implicit Places using invariants in 157 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 163 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 18 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31155 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 244 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 416 ms.
Product exploration explored 100000 steps with 50000 reset in 335 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 47/64 stabilizing places and 82/506 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 : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 29 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-00 finished in 32288 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)||G(F((!p1 U (p2||G(!p1))))))))'
Support contains 47 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 13 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:59:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 09:59:20] [INFO ] Computed 7 invariants in 5 ms
[2024-05-21 09:59:20] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:59:22] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 8919 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:59:36] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 29932ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 29941ms
[2024-05-21 09:59:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:59:50] [INFO ] Invariant cache hit.
[2024-05-21 09:59:50] [INFO ] Implicit Places using invariants in 102 ms returned []
[2024-05-21 09:59:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:59:50] [INFO ] Invariant cache hit.
[2024-05-21 09:59:50] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 09:59:50] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 279 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 09:59:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 09:59:50] [INFO ] Invariant cache hit.
[2024-05-21 09:59:50] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:59:52] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 09:59:57] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11702 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 42761ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 42769ms
Starting structural reductions in LTL mode, iteration 1 : 65/66 places, 505/506 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73011 ms. Remains : 65/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 262 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-01
Product exploration explored 100000 steps with 1503 reset in 877 ms.
Product exploration explored 100000 steps with 1500 reset in 1127 ms.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Detected a total of 48/65 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 389 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 282 steps (0 resets) in 16 ms. (16 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0))), (F (NOT p1)), (F p2), (F (NOT (OR p2 p1))), (F (NOT (AND (NOT p2) p1)))]
Knowledge based reduction with 10 factoid took 627 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 115 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
[2024-05-21 10:00:37] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:00:37] [INFO ] Invariant cache hit.
[2024-05-21 10:00:37] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:00:37] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 10:00:37] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-21 10:00:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:00:38] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:00:38] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 10:00:38] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-21 10:00:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:00:38] [INFO ] [Nat]Added 20 Read/Feed constraints in 27 ms returned sat
[2024-05-21 10:00:38] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 1 ms to minimize.
[2024-05-21 10:00:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2024-05-21 10:00:38] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 28 ms.
[2024-05-21 10:00:38] [INFO ] Added : 9 causal constraints over 2 iterations in 79 ms. Result :sat
Could not prove EG (AND (NOT p2) p1)
Support contains 25 out of 65 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 31 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:00:38] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:00:38] [INFO ] Invariant cache hit.
[2024-05-21 10:00:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:00:40] [INFO ] Deduced a trap composed of 5 places in 79 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:00:44] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11891 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32927ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32934ms
[2024-05-21 10:01:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:11] [INFO ] Invariant cache hit.
[2024-05-21 10:01:11] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-21 10:01:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:11] [INFO ] Invariant cache hit.
[2024-05-21 10:01:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:01:11] [INFO ] Implicit Places using invariants and state equation in 162 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
[2024-05-21 10:01:11] [INFO ] Redundant transitions in 41 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:01:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:11] [INFO ] Invariant cache hit.
[2024-05-21 10:01:11] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:01:13] [INFO ] Deduced a trap composed of 5 places in 83 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:01:18] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12357 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 43421ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 43428ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 76691 ms. Remains : 65/65 places, 505/505 transitions.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Detected a total of 48/65 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 178 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
RANDOM walk for 296 steps (0 resets) in 14 ms. (19 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p1 p2))), (F p2)]
Knowledge based reduction with 10 factoid took 408 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 91 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
[2024-05-21 10:01:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:55] [INFO ] Invariant cache hit.
[2024-05-21 10:01:56] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:01:56] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-21 10:01:56] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-21 10:01:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:01:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:01:56] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-21 10:01:56] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-21 10:01:56] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:01:56] [INFO ] [Nat]Added 20 Read/Feed constraints in 51 ms returned sat
[2024-05-21 10:01:56] [INFO ] Deduced a trap composed of 35 places in 109 ms of which 1 ms to minimize.
[2024-05-21 10:01:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2024-05-21 10:01:56] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 43 ms.
[2024-05-21 10:01:56] [INFO ] Added : 11 causal constraints over 3 iterations in 109 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Stuttering acceptance computed with spot in 113 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 1513 reset in 624 ms.
Product exploration explored 100000 steps with 1503 reset in 551 ms.
Support contains 25 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 23 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:01:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:01:58] [INFO ] Invariant cache hit.
[2024-05-21 10:01:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:00] [INFO ] Deduced a trap composed of 5 places in 86 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:02:04] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12229 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 33225ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33233ms
[2024-05-21 10:02:31] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:02:31] [INFO ] Invariant cache hit.
[2024-05-21 10:02:31] [INFO ] Implicit Places using invariants in 96 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 108 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/65 places, 505/505 transitions.
Applied a total of 0 rules in 25 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33403 ms. Remains : 64/65 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-01 finished in 191426 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(p0)))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 63 transition count 504
Applied a total of 5 rules in 37 ms. Remains 63 /66 variables (removed 3) and now considering 504/506 (removed 2) transitions.
[2024-05-21 10:02:31] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 63 cols
[2024-05-21 10:02:31] [INFO ] Computed 6 invariants in 3 ms
[2024-05-21 10:02:32] [INFO ] Implicit Places using invariants in 320 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 322 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/66 places, 504/506 transitions.
Applied a total of 0 rules in 19 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 380 ms. Remains : 61/66 places, 504/506 transitions.
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-02
Product exploration explored 100000 steps with 1680 reset in 227 ms.
Product exploration explored 100000 steps with 1686 reset in 219 ms.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 131 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 234 steps (0 resets) in 4 ms. (46 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
[2024-05-21 10:02:33] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
// Phase 1: matrix 124 rows 61 cols
[2024-05-21 10:02:33] [INFO ] Computed 4 invariants in 2 ms
[2024-05-21 10:02:33] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:02:33] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-21 10:02:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:02:33] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:02:33] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-05-21 10:02:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:02:33] [INFO ] [Nat]Added 20 Read/Feed constraints in 52 ms returned sat
[2024-05-21 10:02:33] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 73 transitions) in 32 ms.
[2024-05-21 10:02:34] [INFO ] Added : 23 causal constraints over 7 iterations in 165 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 61 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 61/61 places, 504/504 transitions.
Applied a total of 0 rules in 21 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
[2024-05-21 10:02:34] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:02:34] [INFO ] Invariant cache hit.
[2024-05-21 10:02:34] [INFO ] Implicit Places using invariants in 174 ms returned []
[2024-05-21 10:02:34] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:02:34] [INFO ] Invariant cache hit.
[2024-05-21 10:02:34] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:02:34] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
[2024-05-21 10:02:34] [INFO ] Redundant transitions in 23 ms returned []
Running 501 sub problems to find dead transitions.
[2024-05-21 10:02:34] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:02:34] [INFO ] Invariant cache hit.
[2024-05-21 10:02:34] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
[2024-05-21 10:02:36] [INFO ] Deduced a trap composed of 5 places in 51 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/66 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 501 unsolved
[2024-05-21 10:02:42] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 1 ms to minimize.
[2024-05-21 10:02:42] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 7 (OVERLAPS) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 88 constraints, problems are : Problem set: 0 solved, 501 unsolved in 12066 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 501 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 501/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 7 (OVERLAPS) 0/185 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 589 constraints, problems are : Problem set: 0 solved, 501 unsolved in 27510 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 3/3 constraints]
After SMT, in 40572ms problems are : Problem set: 0 solved, 501 unsolved
Search for dead transitions found 0 dead transitions in 40583ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 41028 ms. Remains : 61/61 places, 504/504 transitions.
Computed a total of 44 stabilizing places and 80 stable transitions
Computed a total of 44 stabilizing places and 80 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 243 steps (0 resets) in 5 ms. (40 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
[2024-05-21 10:03:15] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:03:15] [INFO ] Invariant cache hit.
[2024-05-21 10:03:15] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:03:15] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-21 10:03:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:03:15] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 10:03:16] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-21 10:03:16] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:03:16] [INFO ] [Nat]Added 20 Read/Feed constraints in 32 ms returned sat
[2024-05-21 10:03:16] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 73 transitions) in 20 ms.
[2024-05-21 10:03:16] [INFO ] Added : 22 causal constraints over 7 iterations in 124 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1682 reset in 337 ms.
Product exploration explored 100000 steps with 1687 reset in 255 ms.
Support contains 3 out of 61 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 61/61 places, 504/504 transitions.
Applied a total of 0 rules in 37 ms. Remains 61 /61 variables (removed 0) and now considering 504/504 (removed 0) transitions.
[2024-05-21 10:03:16] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:03:16] [INFO ] Invariant cache hit.
[2024-05-21 10:03:17] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-05-21 10:03:17] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:03:17] [INFO ] Invariant cache hit.
[2024-05-21 10:03:17] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:03:17] [INFO ] Implicit Places using invariants and state equation in 300 ms returned []
Implicit Place search using SMT with State Equation took 436 ms to find 0 implicit places.
[2024-05-21 10:03:17] [INFO ] Redundant transitions in 6 ms returned []
Running 501 sub problems to find dead transitions.
[2024-05-21 10:03:17] [INFO ] Flow matrix only has 124 transitions (discarded 380 similar events)
[2024-05-21 10:03:17] [INFO ] Invariant cache hit.
[2024-05-21 10:03:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
[2024-05-21 10:03:19] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/66 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 501 unsolved
[2024-05-21 10:03:24] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 0 ms to minimize.
[2024-05-21 10:03:24] [INFO ] Deduced a trap composed of 14 places in 104 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 7 (OVERLAPS) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 88 constraints, problems are : Problem set: 0 solved, 501 unsolved in 11450 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 501 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (OVERLAPS) 124/185 variables, 61/68 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 20/88 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 501/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 7 (OVERLAPS) 0/185 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 501 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 589 constraints, problems are : Problem set: 0 solved, 501 unsolved in 28628 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 61/61 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 3/3 constraints]
After SMT, in 41120ms problems are : Problem set: 0 solved, 501 unsolved
Search for dead transitions found 0 dead transitions in 41129ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 41617 ms. Remains : 61/61 places, 504/504 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-02 finished in 86738 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))&&F((F(!p2)&&p1))))'
Support contains 54 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 4 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:03:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:03:58] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:03:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:04:00] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 8358 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:04:13] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 29093ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 29099ms
[2024-05-21 10:04:27] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:04:27] [INFO ] Invariant cache hit.
[2024-05-21 10:04:27] [INFO ] Implicit Places using invariants in 82 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 1 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29203 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 258 ms :[(NOT p0), true, (OR (NOT p1) (NOT p0) p2), (OR (NOT p0) p2), (OR (NOT p0) (NOT p1) p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-03 finished in 29498 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((!p0&&X(G(p1))))))'
Support contains 34 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:04:28] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 10:04:28] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:04:28] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:30] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 8646 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:04:44] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 29522ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 29533ms
[2024-05-21 10:04:57] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:04:57] [INFO ] Invariant cache hit.
[2024-05-21 10:04:57] [INFO ] Implicit Places using invariants in 136 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 139 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29678 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 190 ms :[true, (OR (NOT p1) p0), (NOT p1), (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-04 finished in 29884 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)&&F(G(p2))&&p0))))'
Support contains 38 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 3 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:04:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:04:58] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:04:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:05:00] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9378 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:05:14] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 30508ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30514ms
[2024-05-21 10:05:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:05:28] [INFO ] Invariant cache hit.
[2024-05-21 10:05:28] [INFO ] Implicit Places using invariants in 64 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 69 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 505/506 transitions.
Applied a total of 0 rules in 5 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30594 ms. Remains : 64/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 182 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 628 steps with 19 reset in 17 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-05 finished in 30825 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(X(F((p0&&G(p1))))))))'
Support contains 13 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 4 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:05:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:05:28] [INFO ] Invariant cache hit.
[2024-05-21 10:05:28] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:05:30] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:05:34] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11700 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32601ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32609ms
[2024-05-21 10:06:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:06:01] [INFO ] Invariant cache hit.
[2024-05-21 10:06:01] [INFO ] Implicit Places using invariants in 94 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 95 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32714 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 267 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-06
Stuttering criterion allowed to conclude after 169 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-06 finished in 33003 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 2 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 35 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:06:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:06:01] [INFO ] Invariant cache hit.
[2024-05-21 10:06:01] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:06:04] [INFO ] Deduced a trap composed of 5 places in 76 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:06:08] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 12457 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 33589ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 33597ms
[2024-05-21 10:06:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:06:35] [INFO ] Invariant cache hit.
[2024-05-21 10:06:35] [INFO ] Implicit Places using invariants in 120 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 121 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 26 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33785 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-09
Product exploration explored 100000 steps with 586 reset in 375 ms.
Product exploration explored 100000 steps with 585 reset in 315 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, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 79 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 33 ms :[(NOT p0)]
RANDOM walk for 219 steps (0 resets) in 5 ms. (36 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 99 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Support contains 2 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 22 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:06:36] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 10:06:36] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:06:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:06:38] [INFO ] Deduced a trap composed of 5 places in 67 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9543 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:06:52] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 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 Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 30318ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30325ms
[2024-05-21 10:07:07] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:07:07] [INFO ] Invariant cache hit.
[2024-05-21 10:07:07] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-05-21 10:07:07] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:07:07] [INFO ] Invariant cache hit.
[2024-05-21 10:07:07] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:07:07] [INFO ] Implicit Places using invariants and state equation in 205 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2024-05-21 10:07:07] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:07:07] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:07:07] [INFO ] Invariant cache hit.
[2024-05-21 10:07:07] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:07:09] [INFO ] Deduced a trap composed of 5 places in 104 ms of which 14 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10622 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:07:25] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 41579ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 41586ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72291 ms. Remains : 63/63 places, 505/505 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, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 104 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 37 ms :[(NOT p0)]
RANDOM walk for 205 steps (0 resets) in 5 ms. (34 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 114 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 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Product exploration explored 100000 steps with 586 reset in 307 ms.
Product exploration explored 100000 steps with 585 reset in 322 ms.
Support contains 2 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 14 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:07:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:07:50] [INFO ] Invariant cache hit.
[2024-05-21 10:07:50] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:07:51] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10648 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:08:07] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31462ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31467ms
[2024-05-21 10:08:21] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:08:21] [INFO ] Invariant cache hit.
[2024-05-21 10:08:21] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-05-21 10:08:21] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:08:21] [INFO ] Invariant cache hit.
[2024-05-21 10:08:21] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:08:21] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2024-05-21 10:08:21] [INFO ] Redundant transitions in 2 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:08:21] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:08:21] [INFO ] Invariant cache hit.
[2024-05-21 10:08:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:08:23] [INFO ] Deduced a trap composed of 5 places in 75 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9997 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:08:39] [INFO ] Deduced a trap composed of 15 places in 88 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 40795ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40802ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72568 ms. Remains : 63/63 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-09 finished in 180833 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(F((p0&&X(!p0)))))'
Support contains 1 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:09:02] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 10:09:02] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:09:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:04] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 9510 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:19] [INFO ] Deduced a trap composed of 15 places in 139 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 30497ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30503ms
[2024-05-21 10:09:33] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:09:33] [INFO ] Invariant cache hit.
[2024-05-21 10:09:33] [INFO ] Implicit Places using invariants in 124 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 126 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30637 ms. Remains : 64/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 112 ms :[p0, true, true]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-10
Product exploration explored 100000 steps with 1737 reset in 354 ms.
Product exploration explored 100000 steps with 1764 reset in 340 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 47/64 stabilizing places and 82/506 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 110 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 92 ms :[p0, p0, p0]
RANDOM walk for 286 steps (0 resets) in 5 ms. (47 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 110 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 92 ms :[p0, p0, p0]
[2024-05-21 10:09:34] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 10:09:34] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:09:34] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:09:34] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-21 10:09:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:09:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:09:35] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-21 10:09:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:09:35] [INFO ] [Nat]Added 20 Read/Feed constraints in 15 ms returned sat
[2024-05-21 10:09:35] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 18 ms.
[2024-05-21 10:09:35] [INFO ] Added : 10 causal constraints over 3 iterations in 66 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:09:35] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:09:35] [INFO ] Invariant cache hit.
[2024-05-21 10:09:35] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:36] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:09:40] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11346 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 32116ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32122ms
[2024-05-21 10:10:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:10:07] [INFO ] Invariant cache hit.
[2024-05-21 10:10:07] [INFO ] Implicit Places using invariants in 133 ms returned []
[2024-05-21 10:10:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:10:07] [INFO ] Invariant cache hit.
[2024-05-21 10:10:07] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:10:07] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 365 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:10:07] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:10:07] [INFO ] Invariant cache hit.
[2024-05-21 10:10:07] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:10:09] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:10:13] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11154 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 41999ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 42005ms
Finished structural reductions in LTL mode , in 1 iterations and 74496 ms. Remains : 64/64 places, 506/506 transitions.
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 47/64 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[p0, p0, p0]
RANDOM walk for 254 steps (0 resets) in 5 ms. (42 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 130 ms :[p0, p0, p0]
[2024-05-21 10:10:50] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:10:50] [INFO ] Invariant cache hit.
[2024-05-21 10:10:50] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:10:50] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-21 10:10:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:10:50] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:10:50] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-21 10:10:50] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:10:50] [INFO ] [Nat]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-05-21 10:10:50] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 15 ms.
[2024-05-21 10:10:50] [INFO ] Added : 10 causal constraints over 3 iterations in 181 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 138 ms :[p0, p0, p0]
Product exploration explored 100000 steps with 1753 reset in 201 ms.
Product exploration explored 100000 steps with 1762 reset in 196 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 89 ms :[p0, p0, p0]
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 506
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 26 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:10:51] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 10:10:51] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:10:51] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:10:53] [INFO ] Deduced a trap composed of 5 places in 96 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Problem TDEAD20 is UNSAT
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 1 solved, 502 unsolved
[2024-05-21 10:10:58] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 1 solved, 502 unsolved in 11109 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 1 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/6 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 1/64 variables, 1/7 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 5 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 502/593 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 502 unsolved
At refinement iteration 9 (OVERLAPS) 0/190 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 593 constraints, problems are : Problem set: 1 solved, 502 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 31959ms problems are : Problem set: 1 solved, 502 unsolved
Search for dead transitions found 1 dead transitions in 31965ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
[2024-05-21 10:11:23] [INFO ] Redundant transitions in 2 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 64/64 places, 505/506 transitions.
Graph (complete) has 1049 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 20 ms. Remains 63 /64 variables (removed 1) and now considering 505/505 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 63/64 places, 505/506 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32027 ms. Remains : 63/64 places, 505/506 transitions.
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:11:23] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2024-05-21 10:11:23] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:11:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:11:25] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:11:29] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 11644 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 32489ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 32496ms
[2024-05-21 10:11:56] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:11:56] [INFO ] Invariant cache hit.
[2024-05-21 10:11:56] [INFO ] Implicit Places using invariants in 160 ms returned []
[2024-05-21 10:11:56] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:11:56] [INFO ] Invariant cache hit.
[2024-05-21 10:11:56] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:11:56] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 426 ms to find 0 implicit places.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:11:56] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:11:56] [INFO ] Invariant cache hit.
[2024-05-21 10:11:56] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:11:58] [INFO ] Deduced a trap composed of 5 places in 73 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:12:10] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 19528 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 50502ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 50510ms
Finished structural reductions in LTL mode , in 1 iterations and 83438 ms. Remains : 64/64 places, 506/506 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-10 finished in 224465 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(p0)))'
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
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 63 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 61 transition count 502
Applied a total of 9 rules in 33 ms. Remains 61 /66 variables (removed 5) and now considering 502/506 (removed 4) transitions.
[2024-05-21 10:12:47] [INFO ] Flow matrix only has 122 transitions (discarded 380 similar events)
// Phase 1: matrix 122 rows 61 cols
[2024-05-21 10:12:47] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:12:47] [INFO ] Implicit Places using invariants in 463 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 476 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/66 places, 502/506 transitions.
Applied a total of 0 rules in 14 ms. Remains 59 /59 variables (removed 0) and now considering 502/502 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 525 ms. Remains : 59/66 places, 502/506 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-11
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-11 finished in 652 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) U X(X((!p1&&X(p0))))))'
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 4 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:12:47] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:12:47] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:12:47] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:12:49] [INFO ] Deduced a trap composed of 5 places in 88 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 8399 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:13:03] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 29419ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 29426ms
[2024-05-21 10:13:17] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:13:17] [INFO ] Invariant cache hit.
[2024-05-21 10:13:17] [INFO ] Implicit Places using invariants in 104 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 106 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29540 ms. Remains : 63/66 places, 505/506 transitions.
Stuttering acceptance computed with spot in 286 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), true, (NOT p0), (OR (NOT p0) p1), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-12
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-12 finished in 29842 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)&&(!p1 U (G(!p1)||(!p1&&(!p2||X(G(p0))))))))'
Support contains 9 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 21 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:13:17] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2024-05-21 10:13:17] [INFO ] Computed 7 invariants in 0 ms
[2024-05-21 10:13:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:13:19] [INFO ] Deduced a trap composed of 5 places in 89 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 94 constraints, problems are : Problem set: 0 solved, 503 unsolved in 8950 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (OVERLAPS) 126/192 variables, 66/74 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 503/597 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:13:33] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 598 constraints, problems are : Problem set: 0 solved, 503 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints]
After SMT, in 29999ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 30008ms
[2024-05-21 10:13:47] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:13:47] [INFO ] Invariant cache hit.
[2024-05-21 10:13:47] [INFO ] Implicit Places using invariants in 90 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 96 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 19 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30146 ms. Remains : 65/66 places, 506/506 transitions.
Stuttering acceptance computed with spot in 169 ms :[p0, (AND (NOT p0) p1), (NOT p0), true, (OR p0 p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-13
Product exploration explored 100000 steps with 1726 reset in 292 ms.
Product exploration explored 100000 steps with 1739 reset in 310 ms.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Detected a total of 48/65 stabilizing places and 82/506 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p2)), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (AND p0 (NOT p2) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 20 factoid took 143 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[p0, p0]
RANDOM walk for 179 steps (0 resets) in 4 ms. (35 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p2)), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (AND p0 (NOT p2) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 20 factoid took 238 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[p0, p0]
Stuttering acceptance computed with spot in 63 ms :[p0, p0]
[2024-05-21 10:13:49] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2024-05-21 10:13:49] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 10:13:49] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:13:49] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-21 10:13:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:13:49] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:13:49] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-21 10:13:49] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:13:49] [INFO ] [Nat]Added 20 Read/Feed constraints in 53 ms returned sat
[2024-05-21 10:13:49] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 18 ms.
[2024-05-21 10:13:49] [INFO ] Added : 10 causal constraints over 3 iterations in 85 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 65 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 14 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Running 503 sub problems to find dead transitions.
[2024-05-21 10:13:49] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:13:49] [INFO ] Invariant cache hit.
[2024-05-21 10:13:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:13:51] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 11 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10579 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 595 constraints, problems are : Problem set: 0 solved, 503 unsolved in 18328 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
After SMT, in 29899ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 29906ms
[2024-05-21 10:14:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:14:19] [INFO ] Invariant cache hit.
[2024-05-21 10:14:19] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-21 10:14:19] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:14:19] [INFO ] Invariant cache hit.
[2024-05-21 10:14:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:14:20] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
[2024-05-21 10:14:20] [INFO ] Redundant transitions in 3 ms returned []
Running 503 sub problems to find dead transitions.
[2024-05-21 10:14:20] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:14:20] [INFO ] Invariant cache hit.
[2024-05-21 10:14:20] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
[2024-05-21 10:14:21] [INFO ] Deduced a trap composed of 5 places in 85 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 503 unsolved in 10745 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 595 constraints, problems are : Problem set: 0 solved, 503 unsolved in 19606 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 1/1 constraints]
After SMT, in 31120ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 31126ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61393 ms. Remains : 65/65 places, 506/506 transitions.
Computed a total of 48 stabilizing places and 82 stable transitions
Computed a total of 48 stabilizing places and 82 stable transitions
Detected a total of 48/65 stabilizing places and 82/506 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 112 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[p0, p0]
RANDOM walk for 177 steps (0 resets) in 5 ms. (29 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 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[p0, p0]
Stuttering acceptance computed with spot in 78 ms :[p0, p0]
[2024-05-21 10:14:51] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2024-05-21 10:14:51] [INFO ] Invariant cache hit.
[2024-05-21 10:14:51] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:14:51] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-21 10:14:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:14:52] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:14:52] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-21 10:14:52] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:14:52] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-05-21 10:14:52] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 75 transitions) in 13 ms.
[2024-05-21 10:14:52] [INFO ] Added : 12 causal constraints over 3 iterations in 56 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 69 ms :[p0, p0]
Product exploration explored 100000 steps with 1775 reset in 199 ms.
Product exploration explored 100000 steps with 1723 reset in 276 ms.
Support contains 1 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 506/506 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 64 transition count 505
Applied a total of 2 rules in 17 ms. Remains 64 /65 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:14:52] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 64 cols
[2024-05-21 10:14:52] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 10:14:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:14:54] [INFO ] Deduced a trap composed of 5 places in 54 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:14:58] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 92 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10376 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/189 variables, 64/72 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 502/594 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:15:12] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 1/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 189/189 variables, and 595 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 31282ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31288ms
[2024-05-21 10:15:24] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:24] [INFO ] Invariant cache hit.
[2024-05-21 10:15:24] [INFO ] Implicit Places using invariants in 133 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 135 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/65 places, 505/506 transitions.
Applied a total of 0 rules in 24 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31467 ms. Remains : 63/65 places, 505/506 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-13 finished in 126643 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)||G(F((!p1 U (p2||G(!p1))))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-01
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Support contains 47 out of 66 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 65 transition count 505
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 11 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:15:24] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:15:24] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 10:15:24] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:15:26] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9330 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:15:40] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 30177ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30185ms
[2024-05-21 10:15:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:54] [INFO ] Invariant cache hit.
[2024-05-21 10:15:54] [INFO ] Implicit Places using invariants in 83 ms returned []
[2024-05-21 10:15:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:54] [INFO ] Invariant cache hit.
[2024-05-21 10:15:54] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:15:54] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 266 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:15:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:15:55] [INFO ] Invariant cache hit.
[2024-05-21 10:15:55] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:15:57] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:16:00] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11558 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 42567ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 42573ms
Starting structural reductions in LI_LTL mode, iteration 1 : 65/66 places, 505/506 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 73039 ms. Remains : 65/66 places, 505/506 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-01
Product exploration explored 100000 steps with 1504 reset in 563 ms.
Product exploration explored 100000 steps with 1508 reset in 558 ms.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Detected a total of 48/65 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 440 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 336 steps (0 resets) in 24 ms. (13 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0))), (F (NOT p1)), (F p2), (F (NOT (OR p2 p1))), (F (NOT (AND (NOT p2) p1)))]
Knowledge based reduction with 10 factoid took 622 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 90 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
[2024-05-21 10:16:40] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:16:40] [INFO ] Invariant cache hit.
[2024-05-21 10:16:40] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:16:40] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 10:16:40] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-21 10:16:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:16:41] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:16:41] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 10:16:41] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-21 10:16:41] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:16:41] [INFO ] [Nat]Added 20 Read/Feed constraints in 27 ms returned sat
[2024-05-21 10:16:41] [INFO ] Deduced a trap composed of 14 places in 100 ms of which 2 ms to minimize.
[2024-05-21 10:16:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 114 ms
[2024-05-21 10:16:41] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 20 ms.
[2024-05-21 10:16:41] [INFO ] Added : 9 causal constraints over 2 iterations in 65 ms. Result :sat
Could not prove EG (AND (NOT p2) p1)
Support contains 25 out of 65 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 18 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:16:41] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:16:41] [INFO ] Invariant cache hit.
[2024-05-21 10:16:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:16:43] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:16:47] [INFO ] Deduced a trap composed of 14 places in 68 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11842 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32978ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32985ms
[2024-05-21 10:17:14] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:17:14] [INFO ] Invariant cache hit.
[2024-05-21 10:17:14] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-21 10:17:14] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:17:14] [INFO ] Invariant cache hit.
[2024-05-21 10:17:14] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:17:14] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-21 10:17:14] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:17:14] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:17:14] [INFO ] Invariant cache hit.
[2024-05-21 10:17:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:17:16] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:17:20] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11778 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 42743ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 42748ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 75924 ms. Remains : 65/65 places, 505/505 transitions.
Computed a total of 48 stabilizing places and 81 stable transitions
Computed a total of 48 stabilizing places and 81 stable transitions
Detected a total of 48/65 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 194 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
RANDOM walk for 303 steps (0 resets) in 10 ms. (27 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p1 p2))), (F p2)]
Knowledge based reduction with 10 factoid took 362 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 71 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
[2024-05-21 10:17:58] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:17:58] [INFO ] Invariant cache hit.
[2024-05-21 10:17:58] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2024-05-21 10:17:58] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-21 10:17:58] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-21 10:17:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:17:58] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 10:17:58] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-21 10:17:58] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-21 10:17:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:17:58] [INFO ] [Nat]Added 20 Read/Feed constraints in 69 ms returned sat
[2024-05-21 10:17:58] [INFO ] Deduced a trap composed of 35 places in 75 ms of which 1 ms to minimize.
[2024-05-21 10:17:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 122 ms
[2024-05-21 10:17:59] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 30 ms.
[2024-05-21 10:17:59] [INFO ] Added : 11 causal constraints over 3 iterations in 143 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Stuttering acceptance computed with spot in 135 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 1515 reset in 431 ms.
Product exploration explored 100000 steps with 1517 reset in 456 ms.
Support contains 25 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:18:00] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:18:00] [INFO ] Invariant cache hit.
[2024-05-21 10:18:00] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:18:01] [INFO ] Deduced a trap composed of 5 places in 80 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:18:05] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11340 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32090ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32095ms
[2024-05-21 10:18:32] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:18:32] [INFO ] Invariant cache hit.
[2024-05-21 10:18:32] [INFO ] Implicit Places using invariants in 83 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 85 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/65 places, 505/505 transitions.
Applied a total of 0 rules in 11 ms. Remains 64 /64 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32225 ms. Remains : 64/65 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-01 finished in 188202 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(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' '!(F(G(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(F((p0&&X(!p0)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-10
Stuttering acceptance computed with spot in 87 ms :[p0, true, true]
Support contains 1 out of 66 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 66/66 places, 506/506 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 65 transition count 505
Applied a total of 2 rules in 8 ms. Remains 65 /66 variables (removed 1) and now considering 505/506 (removed 1) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:18:32] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-05-21 10:18:32] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 10:18:32] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:18:34] [INFO ] Deduced a trap composed of 5 places in 73 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 8094 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 502/595 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:18:47] [INFO ] Deduced a trap composed of 14 places in 69 ms of which 4 ms to minimize.
[2024-05-21 10:18:47] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 2/597 constraints. Problems are: Problem set: 0 solved, 502 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 Int declared 190/190 variables, and 597 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 29056ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 29061ms
[2024-05-21 10:19:01] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:19:01] [INFO ] Invariant cache hit.
[2024-05-21 10:19:02] [INFO ] Implicit Places using invariants in 214 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 216 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 63/66 places, 505/506 transitions.
Applied a total of 0 rules in 3 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 29290 ms. Remains : 63/66 places, 505/506 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N10-LTLFireability-10
Product exploration explored 100000 steps with 2036 reset in 178 ms.
Product exploration explored 100000 steps with 2010 reset in 184 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 46/63 stabilizing places and 81/505 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 151 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[p0, p0, p0]
RANDOM walk for 184 steps (0 resets) in 4 ms. (36 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 84 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 83 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 77 ms :[p0, p0, p0]
[2024-05-21 10:19:03] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-05-21 10:19:03] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 10:19:03] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:19:03] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-21 10:19:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:19:03] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:19:03] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2024-05-21 10:19:03] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:19:03] [INFO ] [Nat]Added 20 Read/Feed constraints in 33 ms returned sat
[2024-05-21 10:19:03] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 12 ms.
[2024-05-21 10:19:03] [INFO ] Added : 25 causal constraints over 8 iterations in 96 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:19:03] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:19:03] [INFO ] Invariant cache hit.
[2024-05-21 10:19:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:19:05] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:19:09] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10955 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31804ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31810ms
[2024-05-21 10:19:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:19:35] [INFO ] Invariant cache hit.
[2024-05-21 10:19:35] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-21 10:19:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:19:35] [INFO ] Invariant cache hit.
[2024-05-21 10:19:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:19:35] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:19:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:19:35] [INFO ] Invariant cache hit.
[2024-05-21 10:19:35] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:19:37] [INFO ] Deduced a trap composed of 5 places in 71 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:19:41] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11078 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 23287 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 35200ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 35205ms
Finished structural reductions in LTL mode , in 1 iterations and 67359 ms. Remains : 63/63 places, 505/505 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 46/63 stabilizing places and 81/505 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[p0, p0, p0]
RANDOM walk for 214 steps (0 resets) in 6 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 125 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[p0, p0, p0]
Stuttering acceptance computed with spot in 95 ms :[p0, p0, p0]
[2024-05-21 10:20:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:20:11] [INFO ] Invariant cache hit.
[2024-05-21 10:20:11] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 10:20:11] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-21 10:20:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 10:20:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 10:20:11] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-21 10:20:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:20:12] [INFO ] [Nat]Added 20 Read/Feed constraints in 44 ms returned sat
[2024-05-21 10:20:12] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 44 ms.
[2024-05-21 10:20:12] [INFO ] Added : 25 causal constraints over 8 iterations in 156 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 93 ms :[p0, p0, p0]
Product exploration explored 100000 steps with 2022 reset in 234 ms.
Product exploration explored 100000 steps with 2002 reset in 242 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 119 ms :[p0, p0, p0]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 16 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:20:13] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:20:13] [INFO ] Invariant cache hit.
[2024-05-21 10:20:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:20:15] [INFO ] Deduced a trap composed of 5 places in 73 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:20:18] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10795 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 31843ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31850ms
[2024-05-21 10:20:44] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2024-05-21 10:20:44] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:20:44] [INFO ] Invariant cache hit.
[2024-05-21 10:20:44] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:20:46] [INFO ] Deduced a trap composed of 5 places in 81 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:20:51] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 24544 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 36614ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 36623ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 68506 ms. Remains : 63/63 places, 505/505 transitions.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 3 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:21:21] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:21:21] [INFO ] Invariant cache hit.
[2024-05-21 10:21:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:21:23] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:21:27] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11229 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 32035ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 32045ms
[2024-05-21 10:21:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:21:53] [INFO ] Invariant cache hit.
[2024-05-21 10:21:53] [INFO ] Implicit Places using invariants in 135 ms returned []
[2024-05-21 10:21:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:21:53] [INFO ] Invariant cache hit.
[2024-05-21 10:21:53] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 10:21:53] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
Running 502 sub problems to find dead transitions.
[2024-05-21 10:21:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-05-21 10:21:53] [INFO ] Invariant cache hit.
[2024-05-21 10:21:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:21:55] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-05-21 10:21:59] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 90 constraints, problems are : Problem set: 0 solved, 502 unsolved in 11225 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/70 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/188 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 592 constraints, problems are : Problem set: 0 solved, 502 unsolved in 25347 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints]
After SMT, in 37294ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 37300ms
Finished structural reductions in LTL mode , in 1 iterations and 69680 ms. Remains : 63/63 places, 505/505 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N10-LTLFireability-10 finished in 238645 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)&&(!p1 U (G(!p1)||(!p1&&(!p2||X(G(p0))))))))'
[2024-05-21 10:22:31] [INFO ] Flatten gal took : 67 ms
[2024-05-21 10:22:31] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 20 ms.
[2024-05-21 10:22:31] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 66 places, 506 transitions and 3740 arcs took 6 ms.
Total runtime 1464582 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-PT-V20P20N10

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/421/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 66
TRANSITIONS: 506
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.016s, Sys 0.000s]


SAVING FILE /home/mcc/execution/421/model (.net / .def) ...
EXPORT TIME: [User 0.001s, 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: 2427
MODEL NAME: /home/mcc/execution/421/model
66 places, 506 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-V20P20N10-LTLFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-13 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-PT-V20P20N10-LTLFireability-09 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL

BK_TIME_CONFINEMENT_REACHED

--------------------
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

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-V20P20N10"
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-V20P20N10, 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-171620397700204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N10.tgz
mv BridgeAndVehicles-PT-V20P20N10 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 ;