fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r240-tall-174915590901020
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ViralEpidemic-PT-S16D2C4A01

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 38830.00 0.00 0.00 TFFFFTFFTFFFFTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590901020.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 ViralEpidemic-PT-S16D2C4A01, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590901020
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 6.2K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 11 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 187K 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 ViralEpidemic-PT-S16D2C4A01-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S16D2C4A01-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749309916528

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S16D2C4A01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 15:25:17] [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]
[2025-06-07 15:25:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 15:25:18] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2025-06-07 15:25:18] [INFO ] Transformed 307 places.
[2025-06-07 15:25:18] [INFO ] Transformed 561 transitions.
[2025-06-07 15:25:18] [INFO ] Parsed PT model containing 307 places and 561 transitions and 1377 arcs in 194 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 307 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 307/307 places, 561/561 transitions.
Discarding 200 places :
Symmetric choice reduction at 0 with 200 rule applications. Total rules 200 place count 107 transition count 162
Iterating global reduction 0 with 200 rules applied. Total rules applied 400 place count 107 transition count 162
Applied a total of 400 rules in 28 ms. Remains 107 /307 variables (removed 200) and now considering 162/561 (removed 399) transitions.
// Phase 1: matrix 162 rows 107 cols
[2025-06-07 15:25:18] [INFO ] Computed 1 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:18] [INFO ] Implicit Places using invariants in 233 ms returned []
[2025-06-07 15:25:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:18] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 438 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-07 15:25:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (OVERLAPS) 162/269 variables, 107/108 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 0/269 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 108 constraints, problems are : Problem set: 0 solved, 161 unsolved in 3193 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (OVERLAPS) 162/269 variables, 107/108 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 161/269 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (OVERLAPS) 0/269 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 269/269 variables, and 269 constraints, problems are : Problem set: 0 solved, 161 unsolved in 4780 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8041ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 8056ms
Starting structural reductions in LTL mode, iteration 1 : 107/307 places, 162/561 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8544 ms. Remains : 107/307 places, 162/561 transitions.
Support contains 65 out of 107 places after structural reductions.
[2025-06-07 15:25:27] [INFO ] Flatten gal took : 34 ms
[2025-06-07 15:25:27] [INFO ] Flatten gal took : 14 ms
[2025-06-07 15:25:27] [INFO ] Input system was already deterministic with 162 transitions.
Reduction of identical properties reduced properties to check from 43 to 42
RANDOM walk for 2329 steps (25 resets) in 157 ms. (14 steps per ms) remains 0/42 properties
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 107 stabilizing places and 162 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 107 transition count 162
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F((G(p2)&&p1)))||p0)))'
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 56 transition count 58
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 56 transition count 58
Applied a total of 102 rules in 5 ms. Remains 56 /107 variables (removed 51) and now considering 58/162 (removed 104) transitions.
// Phase 1: matrix 58 rows 56 cols
[2025-06-07 15:25:27] [INFO ] Computed 1 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:28] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 15:25:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:28] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-07 15:25:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 57 constraints, problems are : Problem set: 0 solved, 57 unsolved in 626 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 57/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 114 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1003 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1637ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1638ms
Starting structural reductions in LTL mode, iteration 1 : 56/107 places, 58/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1753 ms. Remains : 56/107 places, 58/162 transitions.
Stuttering acceptance computed with spot in 307 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 332 ms.
Product exploration explored 100000 steps with 50000 reset in 218 ms.
Computed a total of 56 stabilizing places and 58 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 56 transition count 58
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X p0), (X (X (NOT (AND p1 p2)))), (X (X (OR (NOT p1) (NOT p2)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 17 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-00 finished in 2750 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)||G(p1))) U X(G(!p2))))'
Support contains 5 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 55 transition count 57
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 55 transition count 57
Applied a total of 104 rules in 5 ms. Remains 55 /107 variables (removed 52) and now considering 57/162 (removed 105) transitions.
// Phase 1: matrix 57 rows 55 cols
[2025-06-07 15:25:30] [INFO ] Computed 1 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:30] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-07 15:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:30] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Running 56 sub problems to find dead transitions.
[2025-06-07 15:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/112 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (OVERLAPS) 0/112 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 112/112 variables, and 56 constraints, problems are : Problem set: 0 solved, 56 unsolved in 553 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 56 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 57/112 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 56/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (OVERLAPS) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Int declared 112/112 variables, and 112 constraints, problems are : Problem set: 0 solved, 56 unsolved in 999 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1560ms problems are : Problem set: 0 solved, 56 unsolved
Search for dead transitions found 0 dead transitions in 1561ms
Starting structural reductions in LTL mode, iteration 1 : 55/107 places, 57/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1664 ms. Remains : 55/107 places, 57/162 transitions.
Stuttering acceptance computed with spot in 220 ms :[(AND (NOT p0) p1 p2), (AND (NOT p0) (NOT p1) p2), p2, (NOT p0), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-01
Stuttering criterion allowed to conclude after 3367 steps with 1279 reset in 16 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-01 finished in 1921 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Graph (complete) has 73 edges and 107 vertex of which 14 are kept as prefixes of interest. Removing 93 places using SCC suffix rule.1 ms
Discarding 93 places :
Also discarding 116 output transitions
Drop transitions (Output transitions of discarded places.) removed 116 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 13 transition count 25
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 27 place count 7 transition count 9
Iterating global reduction 1 with 6 rules applied. Total rules applied 33 place count 7 transition count 9
Applied a total of 33 rules in 17 ms. Remains 7 /107 variables (removed 100) and now considering 9/162 (removed 153) transitions.
// Phase 1: matrix 9 rows 7 cols
[2025-06-07 15:25:32] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:32] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 15:25:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:32] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:25:32] [INFO ] Redundant transitions in 13 ms returned [2]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 4 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 7 cols
[2025-06-07 15:25:32] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/11 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2/13 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/15 variables, and 6 constraints, problems are : Problem set: 0 solved, 4 unsolved in 56 ms.
Refiners :[State Equation: 6/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2/11 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/11 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 57 ms.
Refiners :[State Equation: 6/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 119ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/107 places, 8/162 transitions.
Graph (complete) has 2 edges and 7 vertex of which 6 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 1 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 6 cols
[2025-06-07 15:25:32] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:32] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 15:25:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:32] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/107 places, 7/162 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 239 ms. Remains : 6/107 places, 7/162 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-02
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-02 finished in 298 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U (X(X((!p2&&X(!p3))))&&p1)))'
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 58 transition count 61
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 58 transition count 61
Applied a total of 98 rules in 12 ms. Remains 58 /107 variables (removed 49) and now considering 61/162 (removed 101) transitions.
// Phase 1: matrix 61 rows 58 cols
[2025-06-07 15:25:32] [INFO ] Computed 1 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:32] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-07 15:25:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:33] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-07 15:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 61/119 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (OVERLAPS) 0/119 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 119/119 variables, and 59 constraints, problems are : Problem set: 0 solved, 60 unsolved in 755 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 61/119 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 60/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/119 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 119/119 variables, and 119 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1050 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1811ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1811ms
Starting structural reductions in LTL mode, iteration 1 : 58/107 places, 61/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1948 ms. Remains : 58/107 places, 61/162 transitions.
Stuttering acceptance computed with spot in 647 ms :[(OR (NOT p1) p3 p2), (NOT p0), (OR p3 p2), (OR (AND (NOT p0) p3) (AND (NOT p0) p2)), (OR p3 p2), (OR p2 p3), (AND (NOT p0) p3), p3, p3, (AND (NOT p0) p3), p3, p3]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-03
Stuttering criterion allowed to conclude after 95 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-03 finished in 2626 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(((G(!p0) U p1) U X(X(p2))))))'
Support contains 5 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 55 transition count 57
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 55 transition count 57
Applied a total of 104 rules in 6 ms. Remains 55 /107 variables (removed 52) and now considering 57/162 (removed 105) transitions.
// Phase 1: matrix 57 rows 55 cols
[2025-06-07 15:25:35] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:35] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-07 15:25:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:35] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Running 56 sub problems to find dead transitions.
[2025-06-07 15:25:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/112 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (OVERLAPS) 0/112 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 112/112 variables, and 56 constraints, problems are : Problem set: 0 solved, 56 unsolved in 658 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 56 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 57/112 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 56/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (OVERLAPS) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Int declared 112/112 variables, and 112 constraints, problems are : Problem set: 0 solved, 56 unsolved in 999 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1664ms problems are : Problem set: 0 solved, 56 unsolved
Search for dead transitions found 0 dead transitions in 1664ms
Starting structural reductions in LTL mode, iteration 1 : 55/107 places, 57/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1771 ms. Remains : 55/107 places, 57/162 transitions.
Stuttering acceptance computed with spot in 668 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (NOT p2), true, (NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (NOT p2), (AND p0 (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), p0, (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-04
Entered a terminal (fully accepting) state of product in 97 steps with 3 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-04 finished in 2469 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&&X((F(!p1)||G(!p0))))))'
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 56 transition count 58
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 56 transition count 58
Applied a total of 102 rules in 4 ms. Remains 56 /107 variables (removed 51) and now considering 58/162 (removed 104) transitions.
// Phase 1: matrix 58 rows 56 cols
[2025-06-07 15:25:38] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:38] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-07 15:25:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:38] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-07 15:25:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 57 constraints, problems are : Problem set: 0 solved, 57 unsolved in 657 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 57/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 114 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1012 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1680ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1680ms
Starting structural reductions in LTL mode, iteration 1 : 56/107 places, 58/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1781 ms. Remains : 56/107 places, 58/162 transitions.
Stuttering acceptance computed with spot in 188 ms :[true, p1, p0, p0, (AND p1 p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 190 ms.
Product exploration explored 100000 steps with 33333 reset in 244 ms.
Computed a total of 56 stabilizing places and 58 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 56 transition count 58
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 13 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-05 finished in 2483 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(p0)&&((!p1&&G(!p2)) U p0))))))'
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 56 transition count 58
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 56 transition count 58
Applied a total of 102 rules in 8 ms. Remains 56 /107 variables (removed 51) and now considering 58/162 (removed 104) transitions.
// Phase 1: matrix 58 rows 56 cols
[2025-06-07 15:25:40] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:40] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-07 15:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:40] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-07 15:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 57 constraints, problems are : Problem set: 0 solved, 57 unsolved in 654 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 57/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 114 constraints, problems are : Problem set: 0 solved, 57 unsolved in 986 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1646ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1646ms
Starting structural reductions in LTL mode, iteration 1 : 56/107 places, 58/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1750 ms. Remains : 56/107 places, 58/162 transitions.
Stuttering acceptance computed with spot in 337 ms :[true, (NOT p0), p2, (NOT p0), (OR (NOT p0) p2), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-06
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-06 finished in 2104 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(G((X(p1)||p0))))'
Support contains 4 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 53 places :
Symmetric choice reduction at 0 with 53 rule applications. Total rules 53 place count 54 transition count 55
Iterating global reduction 0 with 53 rules applied. Total rules applied 106 place count 54 transition count 55
Applied a total of 106 rules in 6 ms. Remains 54 /107 variables (removed 53) and now considering 55/162 (removed 107) transitions.
// Phase 1: matrix 55 rows 54 cols
[2025-06-07 15:25:42] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:42] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-07 15:25:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:42] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-07 15:25:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 55/109 variables, 54/55 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 0/109 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 55 constraints, problems are : Problem set: 0 solved, 54 unsolved in 634 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 55/109 variables, 54/55 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 54/109 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 0/109 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 109 constraints, problems are : Problem set: 0 solved, 54 unsolved in 928 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1574ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 1574ms
Starting structural reductions in LTL mode, iteration 1 : 54/107 places, 55/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1681 ms. Remains : 54/107 places, 55/162 transitions.
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-07
Entered a terminal (fully accepting) state of product in 106 steps with 1 reset in 1 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-07 finished in 1833 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((X(X((X(p1)&&p0)))||(p2 U (X(F(p2))&&p3)))))'
Support contains 7 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 57 transition count 60
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 57 transition count 60
Applied a total of 100 rules in 5 ms. Remains 57 /107 variables (removed 50) and now considering 60/162 (removed 102) transitions.
// Phase 1: matrix 60 rows 57 cols
[2025-06-07 15:25:44] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:44] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 15:25:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:44] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 59 sub problems to find dead transitions.
[2025-06-07 15:25:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/117 variables, 57/58 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 0/117 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 58 constraints, problems are : Problem set: 0 solved, 59 unsolved in 686 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 60/117 variables, 57/58 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 59/117 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 117 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1053 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1744ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 1744ms
Starting structural reductions in LTL mode, iteration 1 : 57/107 places, 60/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1848 ms. Remains : 57/107 places, 60/162 transitions.
Stuttering acceptance computed with spot in 475 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (NOT p0) (NOT p1)), true, (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2), (OR (NOT p3) (NOT p2)), (OR (AND p0 (NOT p1) (NOT p3)) (AND p0 (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-09 finished in 2353 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||((F(p1) U p2) U p3))))&&F(p2)))'
Support contains 8 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 58 transition count 61
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 58 transition count 61
Applied a total of 98 rules in 8 ms. Remains 58 /107 variables (removed 49) and now considering 61/162 (removed 101) transitions.
// Phase 1: matrix 61 rows 58 cols
[2025-06-07 15:25:46] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:46] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-07 15:25:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:46] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-07 15:25:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 61/119 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (OVERLAPS) 0/119 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 119/119 variables, and 59 constraints, problems are : Problem set: 0 solved, 60 unsolved in 685 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 61/119 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 60/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/119 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 119/119 variables, and 119 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1066 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1762ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1762ms
Starting structural reductions in LTL mode, iteration 1 : 58/107 places, 61/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1863 ms. Remains : 58/107 places, 61/162 transitions.
Stuttering acceptance computed with spot in 308 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p3)), (NOT p2), (AND (NOT p0) (NOT p3)), (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-11
Stuttering criterion allowed to conclude after 115 steps with 2 reset in 1 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-11 finished in 2191 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Graph (complete) has 73 edges and 107 vertex of which 19 are kept as prefixes of interest. Removing 88 places using SCC suffix rule.11 ms
Discarding 88 places :
Also discarding 111 output transitions
Drop transitions (Output transitions of discarded places.) removed 111 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 18 transition count 40
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 22 place count 7 transition count 9
Iterating global reduction 1 with 11 rules applied. Total rules applied 33 place count 7 transition count 9
Applied a total of 33 rules in 12 ms. Remains 7 /107 variables (removed 100) and now considering 9/162 (removed 153) transitions.
// Phase 1: matrix 9 rows 7 cols
[2025-06-07 15:25:48] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:48] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 15:25:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:25:49] [INFO ] Redundant transitions in 11 ms returned [2]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 4 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 7 cols
[2025-06-07 15:25:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/11 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2/13 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/15 variables, and 6 constraints, problems are : Problem set: 0 solved, 4 unsolved in 55 ms.
Refiners :[State Equation: 6/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2/11 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/11 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 54 ms.
Refiners :[State Equation: 6/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 111ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 111ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/107 places, 8/162 transitions.
Graph (complete) has 2 edges and 7 vertex of which 6 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 1 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 6 cols
[2025-06-07 15:25:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 15:25:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/107 places, 7/162 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 219 ms. Remains : 6/107 places, 7/162 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-12
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-12 finished in 268 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 U (G(!p0)||p1)) U (G((!p0 U (p1||G(!p0))))||(!p2&&(!p0 U (p1||G(!p0)))))))))'
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Graph (complete) has 73 edges and 107 vertex of which 38 are kept as prefixes of interest. Removing 69 places using SCC suffix rule.0 ms
Discarding 69 places :
Also discarding 85 output transitions
Drop transitions (Output transitions of discarded places.) removed 85 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 37 transition count 74
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 23 place count 17 transition count 21
Iterating global reduction 1 with 20 rules applied. Total rules applied 43 place count 17 transition count 21
Applied a total of 43 rules in 4 ms. Remains 17 /107 variables (removed 90) and now considering 21/162 (removed 141) transitions.
// Phase 1: matrix 21 rows 17 cols
[2025-06-07 15:25:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 15:25:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:25:49] [INFO ] Redundant transitions in 11 ms returned [2]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 12 sub problems to find dead transitions.
// Phase 1: matrix 20 rows 17 cols
[2025-06-07 15:25:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 15/27 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 6/33 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 2/35 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/37 variables, and 16 constraints, problems are : Problem set: 0 solved, 12 unsolved in 159 ms.
Refiners :[State Equation: 16/17 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 15/27 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 6/33 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 2/35 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/35 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/37 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 157 ms.
Refiners :[State Equation: 16/17 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 318ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 318ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/107 places, 20/162 transitions.
Graph (complete) has 6 edges and 17 vertex of which 16 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 1 ms. Remains 16 /17 variables (removed 1) and now considering 19/20 (removed 1) transitions.
// Phase 1: matrix 19 rows 16 cols
[2025-06-07 15:25:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-07 15:25:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:49] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/107 places, 19/162 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 443 ms. Remains : 16/107 places, 19/162 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-13
Product exploration explored 100000 steps with 7924 reset in 209 ms.
Product exploration explored 100000 steps with 7836 reset in 164 ms.
Computed a total of 16 stabilizing places and 19 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 16 transition count 19
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (F (G (NOT p0))), (F (G p1)), (F (G (NOT p2)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (OR (AND (NOT p0) p2) (AND p1 p2))), (X (NOT (OR (AND (NOT p0) p2) (AND p1 p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (OR (AND (NOT p0) p2) (AND p1 p2)))), (X (X (NOT (OR (AND (NOT p0) p2) (AND p1 p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 11 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-13 finished in 1001 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(p1) U (G(!F(p2)) U !p3))&&p0)))'
Support contains 6 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 56 transition count 58
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 56 transition count 58
Applied a total of 102 rules in 7 ms. Remains 56 /107 variables (removed 51) and now considering 58/162 (removed 104) transitions.
// Phase 1: matrix 58 rows 56 cols
[2025-06-07 15:25:50] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:50] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 15:25:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:50] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-07 15:25:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 0/114 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 57 constraints, problems are : Problem set: 0 solved, 57 unsolved in 646 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 58/114 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 57/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 114 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1003 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1655ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1656ms
Starting structural reductions in LTL mode, iteration 1 : 56/107 places, 58/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1773 ms. Remains : 56/107 places, 58/162 transitions.
Stuttering acceptance computed with spot in 224 ms :[(OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), true, (AND p1 (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p2)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-14 finished in 2015 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)&&X(G(p1))) U X((p2 U p3))))'
Support contains 10 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 162/162 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 58 transition count 76
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 58 transition count 76
Applied a total of 98 rules in 3 ms. Remains 58 /107 variables (removed 49) and now considering 76/162 (removed 86) transitions.
// Phase 1: matrix 76 rows 58 cols
[2025-06-07 15:25:52] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:52] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-07 15:25:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:25:52] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 75 sub problems to find dead transitions.
[2025-06-07 15:25:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 75 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 76/134 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (OVERLAPS) 0/134 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 59 constraints, problems are : Problem set: 0 solved, 75 unsolved in 876 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 3 (OVERLAPS) 76/134 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 75/134 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 6 (OVERLAPS) 0/134 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 134 constraints, problems are : Problem set: 0 solved, 75 unsolved in 1453 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2338ms problems are : Problem set: 0 solved, 75 unsolved
Search for dead transitions found 0 dead transitions in 2338ms
Starting structural reductions in LTL mode, iteration 1 : 58/107 places, 76/162 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2453 ms. Remains : 58/107 places, 76/162 transitions.
Stuttering acceptance computed with spot in 268 ms :[(NOT p3), (AND (NOT p0) (NOT p3) (NOT p2)), (NOT p3), (NOT p0), true, (NOT p1), (NOT p3)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A01-LTLFireability-15
Entered a terminal (fully accepting) state of product in 11 steps with 2 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A01-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A01-LTLFireability-15 finished in 2740 ms.
All properties solved by simple procedures.
Total runtime 37046 ms.

BK_STOP 1749309955358

--------------------
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="ViralEpidemic-PT-S16D2C4A01"
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 ViralEpidemic-PT-S16D2C4A01, 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-174915590901020"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S16D2C4A01.tgz
mv ViralEpidemic-PT-S16D2C4A01 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 ;