Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589200116.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 Szymanski-PT-a10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589200116
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 101K May 29 14:33 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 Szymanski-PT-a10-LTLFireability-00
FORMULA_NAME Szymanski-PT-a10-LTLFireability-01
FORMULA_NAME Szymanski-PT-a10-LTLFireability-02
FORMULA_NAME Szymanski-PT-a10-LTLFireability-03
FORMULA_NAME Szymanski-PT-a10-LTLFireability-04
FORMULA_NAME Szymanski-PT-a10-LTLFireability-05
FORMULA_NAME Szymanski-PT-a10-LTLFireability-06
FORMULA_NAME Szymanski-PT-a10-LTLFireability-07
FORMULA_NAME Szymanski-PT-a10-LTLFireability-08
FORMULA_NAME Szymanski-PT-a10-LTLFireability-09
FORMULA_NAME Szymanski-PT-a10-LTLFireability-10
FORMULA_NAME Szymanski-PT-a10-LTLFireability-11
FORMULA_NAME Szymanski-PT-a10-LTLFireability-12
FORMULA_NAME Szymanski-PT-a10-LTLFireability-13
FORMULA_NAME Szymanski-PT-a10-LTLFireability-14
FORMULA_NAME Szymanski-PT-a10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749171061486

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-a10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 00:51:02] [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]
[2025-06-06 00:51:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 00:51:03] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2025-06-06 00:51:03] [INFO ] Transformed 61 places.
[2025-06-06 00:51:03] [INFO ] Transformed 224 transitions.
[2025-06-06 00:51:03] [INFO ] Parsed PT model containing 61 places and 224 transitions and 900 arcs in 201 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 8 transitions.
FORMULA Szymanski-PT-a10-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a10-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a10-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a10-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a10-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 49 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 49/49 places, 216/216 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 47 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 5 place count 44 transition count 204
Iterating global reduction 1 with 3 rules applied. Total rules applied 8 place count 44 transition count 204
Applied a total of 8 rules in 24 ms. Remains 44 /49 variables (removed 5) and now considering 204/216 (removed 12) transitions.
[2025-06-06 00:51:03] [INFO ] Flow matrix only has 76 transitions (discarded 128 similar events)
// Phase 1: matrix 76 rows 44 cols
[2025-06-06 00:51:03] [INFO ] Computed 1 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:03] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-06 00:51:03] [INFO ] Flow matrix only has 76 transitions (discarded 128 similar events)
[2025-06-06 00:51:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:03] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:51:03] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Running 202 sub problems to find dead transitions.
[2025-06-06 00:51:03] [INFO ] Flow matrix only has 76 transitions (discarded 128 similar events)
[2025-06-06 00:51:03] [INFO ] Invariant cache hit.
[2025-06-06 00:51:03] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 76/120 variables, 44/45 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 9/54 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/120 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 54 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3108 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 76/120 variables, 44/45 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 9/54 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 202/256 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/120 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 256 constraints, problems are : Problem set: 0 solved, 202 unsolved in 24002 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27251ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 27280ms
Starting structural reductions in LTL mode, iteration 1 : 44/49 places, 204/216 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 27651 ms. Remains : 44/49 places, 204/216 transitions.
Support contains 26 out of 44 places after structural reductions.
[2025-06-06 00:51:31] [INFO ] Flatten gal took : 35 ms
[2025-06-06 00:51:31] [INFO ] Flatten gal took : 17 ms
[2025-06-06 00:51:31] [INFO ] Input system was already deterministic with 204 transitions.
Support contains 25 out of 44 places (down from 26) after GAL structural reductions.
RANDOM walk for 40005 steps (44 resets) in 685 ms. (58 steps per ms) remains 5/24 properties
BEST_FIRST walk for 40004 steps (14 resets) in 205 ms. (194 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (12 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (17 resets) in 109 ms. (363 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (15 resets) in 128 ms. (310 steps per ms) remains 3/4 properties
[2025-06-06 00:51:31] [INFO ] Flow matrix only has 76 transitions (discarded 128 similar events)
[2025-06-06 00:51:31] [INFO ] Invariant cache hit.
[2025-06-06 00:51:31] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 39/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 76/120 variables, 44/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 9/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/120 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 54 constraints, problems are : Problem set: 0 solved, 3 unsolved in 188 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 39/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 76/120 variables, 44/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 9/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/120 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/120 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 57 constraints, problems are : Problem set: 0 solved, 3 unsolved in 116 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1521 steps, including 304 resets, run visited all 3 properties in 19 ms. (steps per millisecond=80 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 22 ms.
FORMULA Szymanski-PT-a10-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 8 stabilizing places and 32 stable transitions
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((X(((!p0||G(p1)) U G(p2)))&&(p3||F(p1)))))'
Support contains 6 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Applied a total of 4 rules in 3 ms. Remains 42 /44 variables (removed 2) and now considering 196/204 (removed 8) transitions.
[2025-06-06 00:51:32] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2025-06-06 00:51:32] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:32] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-06 00:51:32] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:51:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:32] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:51:32] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:51:32] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:51:32] [INFO ] Invariant cache hit.
[2025-06-06 00:51:32] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2514 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10844 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13389ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13390ms
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 196/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13513 ms. Remains : 42/44 places, 196/204 transitions.
Stuttering acceptance computed with spot in 402 ms :[(OR (NOT p2) (AND (NOT p1) (NOT p3))), (NOT p2), (NOT p1), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), (NOT p2), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-01
Stuttering criterion allowed to conclude after 132 steps with 0 reset in 5 ms.
FORMULA Szymanski-PT-a10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-01 finished in 13987 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(X((!p0||G(!p1)))) U ((X(X((!p0||G(!p1))))&&G(!p2))||X(X(G((!p0||G(!p1))))))))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 43 transition count 200
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 43 transition count 200
Applied a total of 2 rules in 3 ms. Remains 43 /44 variables (removed 1) and now considering 200/204 (removed 4) transitions.
[2025-06-06 00:51:46] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2025-06-06 00:51:46] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:46] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-06 00:51:46] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:51:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:51:46] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:51:46] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Running 198 sub problems to find dead transitions.
[2025-06-06 00:51:46] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:51:46] [INFO ] Invariant cache hit.
[2025-06-06 00:51:46] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3302 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 198/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 251 constraints, problems are : Problem set: 0 solved, 198 unsolved in 8278 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11614ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 11615ms
Starting structural reductions in LTL mode, iteration 1 : 43/44 places, 200/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11723 ms. Remains : 43/44 places, 200/204 transitions.
Stuttering acceptance computed with spot in 367 ms :[true, (AND p1 p2 p0), (AND p1 p2), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), p1, p2]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-05
Product exploration explored 100000 steps with 533 reset in 296 ms.
Product exploration explored 100000 steps with 539 reset in 284 ms.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 8 factoid took 140 ms. Reduced automaton from 11 states, 33 edges and 3 AP (stutter sensitive) to 10 states, 29 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 359 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
RANDOM walk for 40012 steps (52 resets) in 493 ms. (80 steps per ms) remains 5/15 properties
BEST_FIRST walk for 40002 steps (8 resets) in 156 ms. (254 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 243 ms. (163 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 110 ms. (360 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 5/5 properties
[2025-06-06 00:51:59] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:51:59] [INFO ] Invariant cache hit.
[2025-06-06 00:51:59] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 38/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem apf6 is UNSAT
Problem apf10 is UNSAT
Problem apf11 is UNSAT
Problem apf12 is UNSAT
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 4 solved, 1 unsolved in 77 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/43 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 1/54 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/54 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/118 variables, 0/54 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 54 constraints, problems are : Problem set: 4 solved, 1 unsolved in 72 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 155ms problems are : Problem set: 4 solved, 1 unsolved
Finished Parikh walk after 127 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=63 )
Parikh walk visited 1 properties in 1 ms.
Found 4 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (G (OR (NOT p0) p2 (NOT p1))), (G (OR (NOT p0) (NOT p2) p1)), (G (OR (NOT p0) (NOT p2) (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F (NOT (OR (NOT p2) p1))), (F (NOT (OR (NOT p0) p2 p1))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p0) p1))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F p2), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p0 (NOT p2))))]
Knowledge based reduction with 12 factoid took 745 ms. Reduced automaton from 10 states, 29 edges and 3 AP (stutter sensitive) to 10 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 405 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 322 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Support contains 5 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 200/200 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2025-06-06 00:52:01] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:52:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:01] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-06-06 00:52:01] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:52:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:01] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:52:01] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 198 sub problems to find dead transitions.
[2025-06-06 00:52:01] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:52:01] [INFO ] Invariant cache hit.
[2025-06-06 00:52:01] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3205 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 198/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 251 constraints, problems are : Problem set: 0 solved, 198 unsolved in 7990 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11225ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 11226ms
Finished structural reductions in LTL mode , in 1 iterations and 11370 ms. Remains : 43/43 places, 200/200 transitions.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 112 ms. Reduced automaton from 10 states, 23 edges and 3 AP (stutter sensitive) to 10 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 364 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
RANDOM walk for 40007 steps (47 resets) in 54 ms. (727 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
[2025-06-06 00:52:13] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:52:13] [INFO ] Invariant cache hit.
[2025-06-06 00:52:13] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 1 unsolved in 52 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/118 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 54 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 59 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=29 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p2) (NOT p1)))), (F p2), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR (NOT p2) p1))), (F p1), (F p0)]
Knowledge based reduction with 5 factoid took 362 ms. Reduced automaton from 10 states, 23 edges and 3 AP (stutter sensitive) to 10 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 380 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 418 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 370 ms :[true, p2, p1, (AND p2 p1), (AND p2 p1 p0), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Entered a terminal (fully accepting) state of product in 87 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-a10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-05 finished in 28813 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)))'
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 42 transition count 180
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 40 transition count 172
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 40 transition count 172
Applied a total of 24 rules in 27 ms. Remains 40 /44 variables (removed 4) and now considering 172/204 (removed 32) transitions.
[2025-06-06 00:52:15] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
// Phase 1: matrix 68 rows 40 cols
[2025-06-06 00:52:15] [INFO ] Computed 1 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 00:52:15] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:15] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:52:15] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:52:15] [INFO ] Redundant transitions in 5 ms returned []
Running 170 sub problems to find dead transitions.
[2025-06-06 00:52:15] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:52:15] [INFO ] Invariant cache hit.
[2025-06-06 00:52:15] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 50 constraints, problems are : Problem set: 0 solved, 170 unsolved in 2905 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 170/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 220 constraints, problems are : Problem set: 0 solved, 170 unsolved in 7178 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10105ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 10106ms
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 172/204 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10247 ms. Remains : 40/44 places, 172/204 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-06
Stuttering criterion allowed to conclude after 65 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-a10-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-06 finished in 10321 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(p1)))))'
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 43 transition count 200
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 43 transition count 200
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 43 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 42 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 42 transition count 184
Applied a total of 16 rules in 25 ms. Remains 42 /44 variables (removed 2) and now considering 184/204 (removed 20) transitions.
[2025-06-06 00:52:25] [INFO ] Flow matrix only has 71 transitions (discarded 113 similar events)
// Phase 1: matrix 71 rows 42 cols
[2025-06-06 00:52:25] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:25] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-06 00:52:25] [INFO ] Flow matrix only has 71 transitions (discarded 113 similar events)
[2025-06-06 00:52:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:25] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:52:25] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:52:25] [INFO ] Redundant transitions in 8 ms returned []
Running 182 sub problems to find dead transitions.
[2025-06-06 00:52:25] [INFO ] Flow matrix only has 71 transitions (discarded 113 similar events)
[2025-06-06 00:52:25] [INFO ] Invariant cache hit.
[2025-06-06 00:52:25] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 71/113 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 0/113 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 52 constraints, problems are : Problem set: 0 solved, 182 unsolved in 3092 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 71/113 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 182/234 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (OVERLAPS) 0/113 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 234 constraints, problems are : Problem set: 0 solved, 182 unsolved in 6771 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9894ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 9894ms
Starting structural reductions in SI_LTL mode, iteration 1 : 42/44 places, 184/204 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10049 ms. Remains : 42/44 places, 184/204 transitions.
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-08
Stuttering criterion allowed to conclude after 369 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-a10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-08 finished in 10186 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||F(p1)||X(X(X(F(p0)))))))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 43 transition count 200
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 43 transition count 200
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 18 place count 43 transition count 184
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 41 transition count 176
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 41 transition count 176
Applied a total of 22 rules in 21 ms. Remains 41 /44 variables (removed 3) and now considering 176/204 (removed 28) transitions.
[2025-06-06 00:52:35] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
// Phase 1: matrix 69 rows 41 cols
[2025-06-06 00:52:35] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:35] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-06 00:52:35] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2025-06-06 00:52:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:35] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:52:35] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:52:35] [INFO ] Redundant transitions in 2 ms returned []
Running 174 sub problems to find dead transitions.
[2025-06-06 00:52:35] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2025-06-06 00:52:35] [INFO ] Invariant cache hit.
[2025-06-06 00:52:35] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 69/110 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (OVERLAPS) 0/110 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 51 constraints, problems are : Problem set: 0 solved, 174 unsolved in 2643 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 174 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 69/110 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 174/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 6 (OVERLAPS) 0/110 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/110 variables, and 225 constraints, problems are : Problem set: 0 solved, 174 unsolved in 11514 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14183ms problems are : Problem set: 0 solved, 174 unsolved
Search for dead transitions found 0 dead transitions in 14183ms
Starting structural reductions in SI_LTL mode, iteration 1 : 41/44 places, 176/204 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 14329 ms. Remains : 41/44 places, 176/204 transitions.
Stuttering acceptance computed with spot in 127 ms :[false, (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-09
Product exploration explored 100000 steps with 20027 reset in 185 ms.
Product exploration explored 100000 steps with 19988 reset in 177 ms.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter insensitive) to 6 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 164 ms :[false, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
RANDOM walk for 865 steps (0 resets) in 5 ms. (144 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 3 factoid took 142 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter insensitive) to 6 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 199 ms :[false, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Stuttering acceptance computed with spot in 198 ms :[false, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Support contains 3 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 176/176 transitions.
Applied a total of 0 rules in 7 ms. Remains 41 /41 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-06-06 00:52:51] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2025-06-06 00:52:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:51] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-06 00:52:51] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2025-06-06 00:52:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:52:51] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:52:51] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:52:51] [INFO ] Redundant transitions in 2 ms returned []
Running 174 sub problems to find dead transitions.
[2025-06-06 00:52:51] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2025-06-06 00:52:51] [INFO ] Invariant cache hit.
[2025-06-06 00:52:51] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 69/110 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (OVERLAPS) 0/110 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 51 constraints, problems are : Problem set: 0 solved, 174 unsolved in 2847 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 174 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 69/110 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 174/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 6 (OVERLAPS) 0/110 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/110 variables, and 225 constraints, problems are : Problem set: 0 solved, 174 unsolved in 11687 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14554ms problems are : Problem set: 0 solved, 174 unsolved
Search for dead transitions found 0 dead transitions in 14555ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 14688 ms. Remains : 41/41 places, 176/176 transitions.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 116 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter insensitive) to 6 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 255 ms :[false, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false]
RANDOM walk for 1757 steps (3 resets) in 11 ms. (146 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p1) p0))), (F (NOT p0)), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 8 factoid took 252 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter insensitive) to 6 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 238 ms :[false, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false]
Stuttering acceptance computed with spot in 245 ms :[false, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false]
Stuttering acceptance computed with spot in 273 ms :[false, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false]
Product exploration explored 100000 steps with 16695 reset in 151 ms.
Product exploration explored 100000 steps with 16691 reset in 163 ms.
Built C files in :
/tmp/ltsmin3372769159840317338
[2025-06-06 00:53:07] [INFO ] Computing symmetric may disable matrix : 176 transitions.
[2025-06-06 00:53:07] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:53:07] [INFO ] Computing symmetric may enable matrix : 176 transitions.
[2025-06-06 00:53:07] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:53:07] [INFO ] Computing Do-Not-Accords matrix : 176 transitions.
[2025-06-06 00:53:07] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:53:07] [INFO ] Built C files in 46ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3372769159840317338
Running compilation step : cd /tmp/ltsmin3372769159840317338;'/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 493 ms.
Running link step : cd /tmp/ltsmin3372769159840317338;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin3372769159840317338;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased2864451413917574728.hoa' '--buchi-type=spotba'
LTSmin run took 298 ms.
FORMULA Szymanski-PT-a10-LTLFireability-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property Szymanski-PT-a10-LTLFireability-09 finished in 33012 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)||X(X(F(p1)))))'
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Applied a total of 4 rules in 3 ms. Remains 42 /44 variables (removed 2) and now considering 196/204 (removed 8) transitions.
[2025-06-06 00:53:08] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2025-06-06 00:53:08] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:08] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 00:53:08] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:08] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:53:08] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:53:08] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:08] [INFO ] Invariant cache hit.
[2025-06-06 00:53:08] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2424 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10769 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13220ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13221ms
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 196/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13332 ms. Remains : 42/44 places, 196/204 transitions.
Stuttering acceptance computed with spot in 227 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-10
Stuttering criterion allowed to conclude after 234 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-a10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-10 finished in 13579 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(X(X(X(F((F(p1)&&F(p2)&&p0)))))))'
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Applied a total of 4 rules in 3 ms. Remains 42 /44 variables (removed 2) and now considering 196/204 (removed 8) transitions.
[2025-06-06 00:53:22] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:22] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-06 00:53:22] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:22] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:53:22] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:53:22] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:22] [INFO ] Invariant cache hit.
[2025-06-06 00:53:22] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2431 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10717 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13172ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13172ms
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 196/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13287 ms. Remains : 42/44 places, 196/204 transitions.
Stuttering acceptance computed with spot in 341 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-11
Stuttering criterion allowed to conclude after 67 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-11 finished in 13645 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)||((!p1 U (p2||G(!p1))) U ((!p0&&(!p1 U (p2||G(!p1))))||G((!p1 U (p2||G(!p1))))))))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Applied a total of 4 rules in 5 ms. Remains 42 /44 variables (removed 2) and now considering 196/204 (removed 8) transitions.
[2025-06-06 00:53:35] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:36] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-06 00:53:36] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:36] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:53:36] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 194 sub problems to find dead transitions.
[2025-06-06 00:53:36] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2025-06-06 00:53:36] [INFO ] Invariant cache hit.
[2025-06-06 00:53:36] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 0/116 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 52 constraints, problems are : Problem set: 0 solved, 194 unsolved in 2442 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 74/116 variables, 42/43 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 194/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 194 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 246 constraints, problems are : Problem set: 0 solved, 194 unsolved in 10659 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13121ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 13122ms
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 196/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13239 ms. Remains : 42/44 places, 196/204 transitions.
Stuttering acceptance computed with spot in 145 ms :[true, (NOT p0), (AND (NOT p0) p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2))]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-13
Entered a terminal (fully accepting) state of product in 576 steps with 9 reset in 4 ms.
FORMULA Szymanski-PT-a10-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-13 finished in 13408 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(X((p0||G(p1)))))'
Support contains 3 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 43 transition count 200
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 43 transition count 200
Applied a total of 2 rules in 3 ms. Remains 43 /44 variables (removed 1) and now considering 200/204 (removed 4) transitions.
[2025-06-06 00:53:49] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2025-06-06 00:53:49] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:49] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-06 00:53:49] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:53:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:53:49] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:53:49] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Running 198 sub problems to find dead transitions.
[2025-06-06 00:53:49] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2025-06-06 00:53:49] [INFO ] Invariant cache hit.
[2025-06-06 00:53:49] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 0/118 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 53 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3191 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 75/118 variables, 43/44 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 9/53 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 198/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 251 constraints, problems are : Problem set: 0 solved, 198 unsolved in 10741 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13954ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 13955ms
Starting structural reductions in LTL mode, iteration 1 : 43/44 places, 200/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14089 ms. Remains : 43/44 places, 200/204 transitions.
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-14
Entered a terminal (fully accepting) state of product in 775 steps with 4 reset in 1 ms.
FORMULA Szymanski-PT-a10-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-14 finished in 14275 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 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 204/204 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 42 transition count 196
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 42 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 42 transition count 180
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 40 transition count 172
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 40 transition count 172
Applied a total of 24 rules in 16 ms. Remains 40 /44 variables (removed 4) and now considering 172/204 (removed 32) transitions.
[2025-06-06 00:54:03] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
// Phase 1: matrix 68 rows 40 cols
[2025-06-06 00:54:03] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:54:03] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-06 00:54:03] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:54:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:54:03] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-06 00:54:03] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:54:03] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2025-06-06 00:54:03] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2025-06-06 00:54:03] [INFO ] Invariant cache hit.
[2025-06-06 00:54:03] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 0/108 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 50 constraints, problems are : Problem set: 0 solved, 170 unsolved in 3047 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 68/108 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 9/50 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 170/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 220 constraints, problems are : Problem set: 0 solved, 170 unsolved in 7274 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10338ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 10339ms
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 172/204 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10492 ms. Remains : 40/44 places, 172/204 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-a10-LTLFireability-15
Stuttering criterion allowed to conclude after 353 steps with 20 reset in 3 ms.
FORMULA Szymanski-PT-a10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a10-LTLFireability-15 finished in 10558 ms.
All properties solved by simple procedures.
Total runtime 191240 ms.

BK_STOP 1749171254278

--------------------
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="Szymanski-PT-a10"
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 Szymanski-PT-a10, 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 r240-tall-174915589200116"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-a10.tgz
mv Szymanski-PT-a10 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 ;