Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876813200764.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PhaseVariation-PT-D02CS100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876813200764
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 9 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 61K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-00
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-01
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-02
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-03
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-04
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-05
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-06
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-07
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-08
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-09
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-10
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-11
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-12
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-13
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-14
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748988818779

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhaseVariation-PT-D02CS100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 22:13:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 22:13:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 22:13:40] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2025-06-03 22:13:40] [INFO ] Transformed 14 places.
[2025-06-03 22:13:40] [INFO ] Transformed 65 transitions.
[2025-06-03 22:13:40] [INFO ] Parsed PT model containing 14 places and 65 transitions and 443 arcs in 142 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 13 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 8 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:40] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:40] [INFO ] Computed 5 invariants in 4 ms
[2025-06-03 22:13:40] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 762 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 682 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1502ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1527ms
[2025-06-03 22:13:41] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:41] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 22:13:41] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:41] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:41] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:41] [INFO ] Invariant cache hit.
[2025-06-03 22:13:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 508 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 644 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1167ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1168ms
Finished structural reductions in LTL mode , in 1 iterations and 2810 ms. Remains : 14/14 places, 65/65 transitions.
Support contains 13 out of 14 places after structural reductions.
[2025-06-03 22:13:43] [INFO ] Flatten gal took : 21 ms
[2025-06-03 22:13:43] [INFO ] Flatten gal took : 8 ms
[2025-06-03 22:13:43] [INFO ] Input system was already deterministic with 65 transitions.
RANDOM walk for 13955 steps (127 resets) in 109 ms. (126 steps per ms) remains 0/27 properties
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((G(p1)||p0))&&X(X(X(p2)))))'
Support contains 8 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:43] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:43] [INFO ] Invariant cache hit.
[2025-06-03 22:13:43] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 635 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1145ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1146ms
[2025-06-03 22:13:45] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:45] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-03 22:13:45] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:45] [INFO ] Implicit Places using invariants and state equation in 35 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 67 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 60 place count 10 transition count 8
Applied a total of 60 rules in 9 ms. Remains 10 /13 variables (removed 3) and now considering 8/65 (removed 57) transitions.
// Phase 1: matrix 8 rows 10 cols
[2025-06-03 22:13:45] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:45] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 22:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:45] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/14 places, 8/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1269 ms. Remains : 10/14 places, 8/65 transitions.
Stuttering acceptance computed with spot in 372 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-00 finished in 1718 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 10 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:45] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:45] [INFO ] Computed 5 invariants in 0 ms
[2025-06-03 22:13:45] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 607 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1092ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1092ms
[2025-06-03 22:13:46] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:46] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-03 22:13:46] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:46] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 22:13:46] [INFO ] Redundant transitions in 1 ms returned []
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:46] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:46] [INFO ] Invariant cache hit.
[2025-06-03 22:13:46] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 712 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1206ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1208ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2371 ms. Remains : 14/14 places, 65/65 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-01
Product exploration explored 100000 steps with 971 reset in 304 ms.
Product exploration explored 100000 steps with 971 reset in 174 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 14 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-01 finished in 2955 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((G(F(!p1))||(F(!p1)&&X(G(!p2))))))))'
Support contains 4 out of 14 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 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 5 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:48] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:48] [INFO ] Invariant cache hit.
[2025-06-03 22:13:48] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 622 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1054ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1054ms
[2025-06-03 22:13:49] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:49] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-03 22:13:49] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:49] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 22:13:49] [INFO ] Redundant transitions in 1 ms returned []
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:49] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:49] [INFO ] Invariant cache hit.
[2025-06-03 22:13:49] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 574 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1050ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1050ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2169 ms. Remains : 14/14 places, 65/65 transitions.
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-03
Product exploration explored 100000 steps with 1065 reset in 191 ms.
Product exploration explored 100000 steps with 1063 reset in 158 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1), (X p1), (X (X p1)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 20 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-03 finished in 2723 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&(G(p1)||(X(!p2) U ((!p3&&X(!p2))||X(G(!p2))))))))'
Support contains 6 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:51] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:51] [INFO ] Invariant cache hit.
[2025-06-03 22:13:51] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 595 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1025ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1025ms
[2025-06-03 22:13:52] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:52] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-03 22:13:52] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:52] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 65 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 8 transition count 7
Applied a total of 63 rules in 1 ms. Remains 8 /13 variables (removed 5) and now considering 7/65 (removed 58) transitions.
// Phase 1: matrix 7 rows 8 cols
[2025-06-03 22:13:52] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:52] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 22:13:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:52] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/14 places, 7/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1139 ms. Remains : 8/14 places, 7/65 transitions.
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-04
Product exploration explored 100000 steps with 5417 reset in 167 ms.
Product exploration explored 100000 steps with 5267 reset in 169 ms.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1 (NOT p3) (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 (NOT p1) p3 p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p1) p3 (NOT p2)))), (X p0), (X (NOT (AND p0 (NOT p1) p3))), (X (NOT (OR (AND (NOT p0) p3 (NOT p2)) (AND (NOT p1) p3 (NOT p2))))), (X (NOT (AND (NOT p0) (NOT p1) p3 p2))), (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))))), (X (NOT (AND p0 p1 p3 p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND p0 p1 p2))), (X (NOT (AND (NOT p0) p1 p3 p2))), (X (NOT (AND (NOT p0) p3 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 (NOT p1) p3 p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p1) p3 (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1) p3)))), (X (X (NOT (OR (AND (NOT p0) p3 (NOT p2)) (AND (NOT p1) p3 (NOT p2)))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2)))))), (X (X (NOT (AND p0 p1 p3 p2)))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) p1 p3 p2)))), (F (G p0)), (F (G p1)), (F (G (NOT p3))), (F (G (NOT p2)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X p3), (X (NOT p3)), (X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (AND p0 p1 (NOT p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (AND p0 (NOT p1) p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (AND p0 p1 p3)), (X (NOT (AND p0 p1 p3))), (X (AND p0 p1 p3 (NOT p2))), (X (NOT (AND p0 p1 p3 (NOT p2)))), (X (AND p1 p3 (NOT p2))), (X (NOT (AND p1 p3 (NOT p2)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 (NOT p1) p2))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) (NOT p1) p3 p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p3 p2)))), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (AND p0 p1 p3))), (X (X (NOT (AND p0 p1 p3)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1 p3 (NOT p2)))), (X (X (NOT (AND p0 p1 p3 (NOT p2))))), (X (X (AND p1 p3 (NOT p2)))), (X (X (NOT (AND p1 p3 (NOT p2))))), (X (X (AND (NOT p0) p3 p2))), (X (X (NOT (AND (NOT p0) p3 p2)))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 31 factoid took 185 ms. Reduced automaton from 6 states, 36 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-04 finished in 2008 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 9 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:53] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:53] [INFO ] Computed 5 invariants in 0 ms
[2025-06-03 22:13:53] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 453 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 602 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1064ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1065ms
[2025-06-03 22:13:54] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:54] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-03 22:13:54] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:54] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 56 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 65 place count 7 transition count 6
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 6 transition count 5
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 6 transition count 5
Applied a total of 67 rules in 5 ms. Remains 6 /13 variables (removed 7) and now considering 5/65 (removed 60) transitions.
// Phase 1: matrix 5 rows 6 cols
[2025-06-03 22:13:54] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:54] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 22:13:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:54] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/14 places, 5/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1176 ms. Remains : 6/14 places, 5/65 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-05
Product exploration explored 100000 steps with 19879 reset in 54 ms.
Product exploration explored 100000 steps with 19971 reset in 61 ms.
Computed a total of 6 stabilizing places and 5 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6 transition count 5
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 127 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
RANDOM walk for 489 steps (4 resets) in 6 ms. (69 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 154 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
[2025-06-03 22:13:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG (NOT p0)
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 2 factoid took 217 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-05 FALSE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-05 finished in 1980 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U ((X(X(X(p1))) U (p1 U p2)) U X(p3))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:55] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:55] [INFO ] Computed 5 invariants in 2 ms
[2025-06-03 22:13:55] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 588 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1115ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1117ms
[2025-06-03 22:13:56] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:56] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-03 22:13:56] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:56] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 59 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 62 place count 9 transition count 7
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 63 place count 8 transition count 6
Iterating global reduction 1 with 1 rules applied. Total rules applied 64 place count 8 transition count 6
Applied a total of 64 rules in 1 ms. Remains 8 /13 variables (removed 5) and now considering 6/65 (removed 59) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-03 22:13:56] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:56] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 22:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:56] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/14 places, 6/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1218 ms. Remains : 8/14 places, 6/65 transitions.
Stuttering acceptance computed with spot in 603 ms :[(NOT p3), (AND (NOT p3) (NOT p1)), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p2) (NOT p1) (NOT p3)), (NOT p1), (NOT p1), true, (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-06
Entered a terminal (fully accepting) state of product in 12 steps with 3 reset in 0 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-06 finished in 1861 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0||G(p1)) U X(!p1))&&(p2 U p3)))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:57] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:57] [INFO ] Computed 5 invariants in 0 ms
[2025-06-03 22:13:57] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 613 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1059ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1060ms
[2025-06-03 22:13:58] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:58] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 22:13:58] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:58] [INFO ] Implicit Places using invariants and state equation in 33 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 67 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 61 place count 9 transition count 8
Applied a total of 61 rules in 1 ms. Remains 9 /13 variables (removed 4) and now considering 8/65 (removed 57) transitions.
// Phase 1: matrix 8 rows 9 cols
[2025-06-03 22:13:58] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:58] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 22:13:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:58] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/14 places, 8/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1177 ms. Remains : 9/14 places, 8/65 transitions.
Stuttering acceptance computed with spot in 277 ms :[(NOT p3), (OR (NOT p3) p1), (OR (NOT p3) p1), p1, true, (OR (NOT p3) p1), p1]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-09
Entered a terminal (fully accepting) state of product in 32 steps with 7 reset in 1 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-09 finished in 1480 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U !p1) U X((F(p2)||X(!p3)))))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:13:58] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:13:58] [INFO ] Computed 5 invariants in 1 ms
[2025-06-03 22:13:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 605 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1068ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1068ms
[2025-06-03 22:13:59] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:59] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-03 22:13:59] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:13:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:59] [INFO ] Implicit Places using invariants and state equation in 29 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 59 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 62 place count 9 transition count 7
Applied a total of 62 rules in 1 ms. Remains 9 /13 variables (removed 4) and now considering 7/65 (removed 58) transitions.
// Phase 1: matrix 7 rows 9 cols
[2025-06-03 22:13:59] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 22:13:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:13:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:13:59] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/14 places, 7/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1177 ms. Remains : 9/14 places, 7/65 transitions.
Stuttering acceptance computed with spot in 608 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) (NOT p0) p3), (AND p1 p0 (NOT p2) p3), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-11
Product exploration explored 100000 steps with 22957 reset in 88 ms.
Product exploration explored 100000 steps with 23088 reset in 114 ms.
Computed a total of 9 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 9 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (AND p1 (NOT p0) (NOT p2) p3)))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G (NOT p2))), (F (G (NOT p3)))]
False Knowledge obtained : [(X (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2)))), (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))))), (X (NOT p2)), (X p2), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (NOT p0)), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p1), (X (NOT p1)), (X (AND p1 (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND p1 p0 (NOT p2) p3))), (X (X (NOT (AND p1 p0 (NOT p2) p3)))), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (AND p0 (NOT p2) p3))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (OR (AND (NOT p1) (NOT p2) p3) (AND p0 (NOT p2) p3)))), (X (X (NOT (OR (AND (NOT p1) (NOT p2) p3) (AND p0 (NOT p2) p3))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 8 factoid took 1108 ms. Reduced automaton from 13 states, 27 edges and 4 AP (stutter sensitive) to 11 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 512 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
RANDOM walk for 40000 steps (364 resets) in 69 ms. (571 steps per ms) remains 1/16 properties
BEST_FIRST walk for 56 steps (0 resets) in 6 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (AND p1 (NOT p0) (NOT p2) p3)))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G (NOT p2))), (F (G (NOT p3)))]
False Knowledge obtained : [(X (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2)))), (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))))), (X (NOT p2)), (X p2), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (NOT p0)), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p1), (X (NOT p1)), (X (AND p1 (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND p1 p0 (NOT p2) p3))), (X (X (NOT (AND p1 p0 (NOT p2) p3)))), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (AND p0 (NOT p2) p3))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (OR (AND (NOT p1) (NOT p2) p3) (AND p0 (NOT p2) p3)))), (X (X (NOT (OR (AND (NOT p1) (NOT p2) p3) (AND p0 (NOT p2) p3))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR p0 (NOT p1) p2 (NOT p3)))), (F (NOT (AND (OR (NOT p0) p2 (NOT p3)) (OR p1 p2 (NOT p3))))), (F p1), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F p0), (F (NOT (OR (NOT p0) (NOT p1) p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F p2), (F (NOT (OR p2 (NOT p3)))), (F p3), (F (NOT (OR (NOT p0) p2 (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 8 factoid took 1722 ms. Reduced automaton from 11 states, 20 edges and 4 AP (stutter sensitive) to 11 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 484 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 522 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Support contains 7 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Running 1 sub problems to find dead transitions.
[2025-06-03 22:14:05] [INFO ] Invariant cache hit.
[2025-06-03 22:14:05] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 1 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 71ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 71ms
[2025-06-03 22:14:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:05] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 22:14:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:14:05] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2025-06-03 22:14:05] [INFO ] Invariant cache hit.
[2025-06-03 22:14:05] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 1 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 77ms
Finished structural reductions in LTL mode , in 1 iterations and 187 ms. Remains : 9/9 places, 7/7 transitions.
Computed a total of 9 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 9 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p3) (NOT p0)), (X (X (NOT (AND (NOT p0) p1 (NOT p2) p3)))), (F (G (NOT p1))), (F (G (NOT p2))), (F (G (NOT p3))), (F (G (NOT p0)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (OR (AND p0 (NOT p2) p3) (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (OR (AND p0 (NOT p2) p3) (AND (NOT p1) (NOT p2) p3))))), (X (X (AND p0 p1 (NOT p2) p3))), (X (X (NOT (AND p0 p1 (NOT p2) p3)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 900 ms. Reduced automaton from 11 states, 20 edges and 4 AP (stutter sensitive) to 11 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 557 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
RANDOM walk for 40000 steps (364 resets) in 46 ms. (851 steps per ms) remains 1/16 properties
BEST_FIRST walk for 56 steps (0 resets) in 4 ms. (11 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p3) (NOT p0)), (X (X (NOT (AND (NOT p0) p1 (NOT p2) p3)))), (F (G (NOT p1))), (F (G (NOT p2))), (F (G (NOT p3))), (F (G (NOT p0)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (OR (AND p0 (NOT p2) p3) (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (OR (AND p0 (NOT p2) p3) (AND (NOT p1) (NOT p2) p3))))), (X (X (AND p0 p1 (NOT p2) p3))), (X (X (NOT (AND p0 p1 (NOT p2) p3)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR p0 (NOT p1) p2 (NOT p3)))), (F (NOT (AND (OR (NOT p0) p2 (NOT p3)) (OR p1 p2 (NOT p3))))), (F p1), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F p0), (F (NOT (OR (NOT p0) (NOT p1) p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F p2), (F (NOT (OR p2 (NOT p3)))), (F p3), (F (NOT (OR (NOT p0) p2 (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 6 factoid took 1438 ms. Reduced automaton from 11 states, 20 edges and 4 AP (stutter sensitive) to 11 states, 20 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 519 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 535 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 504 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 22995 reset in 91 ms.
Product exploration explored 100000 steps with 22751 reset in 99 ms.
Applying partial POR strategy [false, false, true, false, false, false, true, true, true, true, true]
Stuttering acceptance computed with spot in 490 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) (NOT p2) p3) (AND p1 (NOT p2) p3)), (AND (NOT p2) p3 (NOT p0)), (AND p1 (NOT p2) p3 p0), (NOT p2), (AND (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Support contains 7 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 7/7 transitions.
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Running 1 sub problems to find dead transitions.
[2025-06-03 22:14:10] [INFO ] Invariant cache hit.
[2025-06-03 22:14:10] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 106ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 22:14:10] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-03 22:14:10] [INFO ] Invariant cache hit.
[2025-06-03 22:14:10] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 67ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 180 ms. Remains : 9/9 places, 7/7 transitions.
Built C files in :
/tmp/ltsmin547885909287971837
[2025-06-03 22:14:10] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin547885909287971837
Running compilation step : cd /tmp/ltsmin547885909287971837;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 187 ms.
Running link step : cd /tmp/ltsmin547885909287971837;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin547885909287971837;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3921815320113990739.hoa' '--buchi-type=spotba'
LTSmin run took 90 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-11 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-11 finished in 12628 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(F(G(p1))&&G(p2)))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:14:11] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
// Phase 1: matrix 9 rows 14 cols
[2025-06-03 22:14:11] [INFO ] Computed 5 invariants in 0 ms
[2025-06-03 22:14:11] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 579 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1053ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1054ms
[2025-06-03 22:14:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:12] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-03 22:14:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:14:12] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:14:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:12] [INFO ] Invariant cache hit.
[2025-06-03 22:14:12] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 597 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1062ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1063ms
Finished structural reductions in LTL mode , in 1 iterations and 2193 ms. Remains : 14/14 places, 65/65 transitions.
Stuttering acceptance computed with spot in 198 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), true, (NOT p1), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 82 ms.
Product exploration explored 100000 steps with 50000 reset in 96 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (X (NOT (AND p2 (NOT p1))))), (F (G (NOT p0))), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X p1), (X (NOT p1)), (X (X (NOT p2))), (X (X p2)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 14 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-12 finished in 2625 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((X(p0) U !p1))&&X(X(p2))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:14:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:13] [INFO ] Invariant cache hit.
[2025-06-03 22:14:13] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 452 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 580 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1042ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1042ms
[2025-06-03 22:14:14] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:14] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-03 22:14:14] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:14:14] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:14:14] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:14] [INFO ] Invariant cache hit.
[2025-06-03 22:14:14] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 443 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 606 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1062ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1063ms
Finished structural reductions in LTL mode , in 1 iterations and 2162 ms. Remains : 14/14 places, 65/65 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p2) p1), (NOT p2), p1, (NOT p2), true]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-14
Product exploration explored 100000 steps with 33333 reset in 82 ms.
Product exploration explored 100000 steps with 33333 reset in 79 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) p2), (X (X p2)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 16 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-14 finished in 2555 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(p1)&&p0)))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 8 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2025-06-03 22:14:16] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:16] [INFO ] Invariant cache hit.
[2025-06-03 22:14:16] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 450 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 613 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1071ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1071ms
[2025-06-03 22:14:17] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:17] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-03 22:14:17] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2025-06-03 22:14:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:14:17] [INFO ] Implicit Places using invariants and state equation in 33 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 64 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 61 place count 9 transition count 8
Applied a total of 61 rules in 3 ms. Remains 9 /13 variables (removed 4) and now considering 8/65 (removed 57) transitions.
// Phase 1: matrix 8 rows 9 cols
[2025-06-03 22:14:17] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:17] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 22:14:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 22:14:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 22:14:17] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/14 places, 8/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1184 ms. Remains : 9/14 places, 8/65 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-15
Product exploration explored 100000 steps with 7259 reset in 87 ms.
Stuttering criterion allowed to conclude after 33656 steps with 2448 reset in 28 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-15 finished in 1391 ms.
All properties solved by simple procedures.
Total runtime 37854 ms.

BK_STOP 1748988858172

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="PhaseVariation-PT-D02CS100"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is PhaseVariation-PT-D02CS100, 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 r142-tall-174876813200764"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D02CS100.tgz
mv PhaseVariation-PT-D02CS100 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.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 ;