Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590800972.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-S04D1C1A02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590800972
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 8.2K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 2.7K 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 15K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K 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 68K 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-S04D1C1A02-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749299633512

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-S04D1C1A02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 12:33:55] [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 12:33:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 12:33:55] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2025-06-07 12:33:55] [INFO ] Transformed 127 places.
[2025-06-07 12:33:55] [INFO ] Transformed 189 transitions.
[2025-06-07 12:33:55] [INFO ] Found NUPN structural information;
[2025-06-07 12:33:55] [INFO ] Parsed PT model containing 127 places and 189 transitions and 441 arcs in 188 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Support contains 55 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 189/189 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 95 transition count 129
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 95 transition count 129
Applied a total of 64 rules in 32 ms. Remains 95 /127 variables (removed 32) and now considering 129/189 (removed 60) transitions.
// Phase 1: matrix 129 rows 95 cols
[2025-06-07 12:33:55] [INFO ] Computed 1 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:55] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-06-07 12:33:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:55] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
Running 128 sub problems to find dead transitions.
[2025-06-07 12:33:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 129/224 variables, 95/96 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 0/224 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 224/224 variables, and 96 constraints, problems are : Problem set: 0 solved, 128 unsolved in 2366 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 129/224 variables, 95/96 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 128/224 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/224 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 0/224 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Int declared 224/224 variables, and 224 constraints, problems are : Problem set: 0 solved, 128 unsolved in 3295 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5711ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 5724ms
Starting structural reductions in LTL mode, iteration 1 : 95/127 places, 129/189 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6175 ms. Remains : 95/127 places, 129/189 transitions.
Support contains 55 out of 95 places after structural reductions.
[2025-06-07 12:34:01] [INFO ] Flatten gal took : 29 ms
[2025-06-07 12:34:01] [INFO ] Flatten gal took : 12 ms
[2025-06-07 12:34:01] [INFO ] Input system was already deterministic with 129 transitions.
Support contains 54 out of 95 places (down from 55) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 40 to 38
RANDOM walk for 9072 steps (348 resets) in 348 ms. (25 steps per ms) remains 0/38 properties
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 95 stabilizing places and 129 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 95 transition count 129
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(((p0 U p1)&&(X((X(G(p0)) U (!p3&&X(G(p0)))))||p2))))'
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 31 places :
Symmetric choice reduction at 0 with 31 rule applications. Total rules 31 place count 64 transition count 66
Iterating global reduction 0 with 31 rules applied. Total rules applied 62 place count 64 transition count 66
Applied a total of 62 rules in 5 ms. Remains 64 /95 variables (removed 31) and now considering 66/129 (removed 63) transitions.
// Phase 1: matrix 66 rows 64 cols
[2025-06-07 12:34:02] [INFO ] Computed 1 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:02] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-07 12:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:02] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Running 65 sub problems to find dead transitions.
[2025-06-07 12:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 66/130 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (OVERLAPS) 0/130 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 65 constraints, problems are : Problem set: 0 solved, 65 unsolved in 814 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 66/130 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 65/130 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 65 unsolved in 1126 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1949ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 1949ms
Starting structural reductions in LTL mode, iteration 1 : 64/95 places, 66/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2095 ms. Remains : 64/95 places, 66/129 transitions.
Stuttering acceptance computed with spot in 430 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2)) (AND (NOT p2) p3)), (OR (NOT p1) (AND (NOT p0) (NOT p2)) (AND (NOT p2) p3)), true, (NOT p1), (OR (NOT p0) p3), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-00 finished in 2601 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(G(p0))))||((p0||G(p2))&&p1))))'
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 63 transition count 67
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 63 transition count 67
Applied a total of 64 rules in 6 ms. Remains 63 /95 variables (removed 32) and now considering 67/129 (removed 62) transitions.
// Phase 1: matrix 67 rows 63 cols
[2025-06-07 12:34:05] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:05] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-07 12:34:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:05] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2025-06-07 12:34:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 67/130 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (OVERLAPS) 0/130 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 64 constraints, problems are : Problem set: 0 solved, 66 unsolved in 809 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/130 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 66/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1129 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1945ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 1946ms
Starting structural reductions in LTL mode, iteration 1 : 63/95 places, 67/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2064 ms. Remains : 63/95 places, 67/129 transitions.
Stuttering acceptance computed with spot in 374 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p2), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-01
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-01 finished in 2462 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 1 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 7 are kept as prefixes of interest. Removing 88 places using SCC suffix rule.1 ms
Discarding 88 places :
Also discarding 116 output transitions
Drop transitions (Output transitions of discarded places.) removed 116 transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 4 transition count 5
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 13 ms. Remains 4 /95 variables (removed 91) and now considering 5/129 (removed 124) transitions.
// Phase 1: matrix 5 rows 4 cols
[2025-06-07 12:34:07] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:07] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-07 12:34:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:07] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:34:07] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-07 12:34:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 4 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40 ms.
Refiners :[State Equation: 4/4 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1/9 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[State Equation: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 89ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 90ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/95 places, 5/129 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 156 ms. Remains : 4/95 places, 5/129 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-02
Product exploration explored 100000 steps with 16666 reset in 252 ms.
Product exploration explored 100000 steps with 16666 reset in 118 ms.
Computed a total of 4 stabilizing places and 5 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 5
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [p0, (X (NOT p0)), (F (G 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 3 factoid took 15 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-02 finished in 644 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((F(!p0) U (!p1&&F(G(!p2))))))'
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 62 transition count 68
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 62 transition count 68
Applied a total of 66 rules in 6 ms. Remains 62 /95 variables (removed 33) and now considering 68/129 (removed 61) transitions.
// Phase 1: matrix 68 rows 62 cols
[2025-06-07 12:34:08] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:08] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-07 12:34:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:08] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 67 sub problems to find dead transitions.
[2025-06-07 12:34:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 68/130 variables, 62/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 5 (OVERLAPS) 0/130 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 63 constraints, problems are : Problem set: 0 solved, 67 unsolved in 781 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 67/67 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 67 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 3 (OVERLAPS) 68/130 variables, 62/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 67/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 67 unsolved in 1093 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 67/67 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1885ms problems are : Problem set: 0 solved, 67 unsolved
Search for dead transitions found 0 dead transitions in 1886ms
Starting structural reductions in LTL mode, iteration 1 : 62/95 places, 68/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2004 ms. Remains : 62/95 places, 68/129 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR p2 p1), (OR p1 p2), p0, p2]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-03
Product exploration explored 100000 steps with 3778 reset in 228 ms.
Product exploration explored 100000 steps with 3792 reset in 231 ms.
Computed a total of 62 stabilizing places and 68 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 62 transition count 68
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT p2))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G (NOT p2)))]
False Knowledge obtained : [(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 9 factoid took 19 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-03 finished in 2718 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U (p1||F(!p2))) U p3))'
Support contains 8 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 44 are kept as prefixes of interest. Removing 51 places using SCC suffix rule.1 ms
Discarding 51 places :
Also discarding 57 output transitions
Drop transitions (Output transitions of discarded places.) removed 57 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 13 place count 31 transition count 39
Iterating global reduction 0 with 12 rules applied. Total rules applied 25 place count 31 transition count 39
Applied a total of 25 rules in 13 ms. Remains 31 /95 variables (removed 64) and now considering 39/129 (removed 90) transitions.
// Phase 1: matrix 39 rows 31 cols
[2025-06-07 12:34:11] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:11] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-07 12:34:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:11] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:34:11] [INFO ] Redundant transitions in 15 ms returned [21]
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 29 sub problems to find dead transitions.
// Phase 1: matrix 38 rows 31 cols
[2025-06-07 12:34:11] [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) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 33/59 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 6/65 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 2/67 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (OVERLAPS) 2/69 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (OVERLAPS) 0/69 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 31 constraints, problems are : Problem set: 0 solved, 29 unsolved in 558 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 33/59 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 29/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 6/65 variables, 3/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 2/67 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 2/69 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (OVERLAPS) 0/69 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 60 constraints, problems are : Problem set: 0 solved, 29 unsolved in 591 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1155ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 1156ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/95 places, 38/129 transitions.
Graph (complete) has 15 edges and 31 vertex of which 30 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 2 ms. Remains 30 /31 variables (removed 1) and now considering 37/38 (removed 1) transitions.
// Phase 1: matrix 37 rows 30 cols
[2025-06-07 12:34:12] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:12] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-07 12:34:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:12] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 30/95 places, 37/129 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1333 ms. Remains : 30/95 places, 37/129 transitions.
Stuttering acceptance computed with spot in 193 ms :[(NOT p3), p2, (AND p2 (NOT p0)), (AND (NOT p1) p2)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-04
Stuttering criterion allowed to conclude after 14 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-04 finished in 1545 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(p0)))'
Support contains 1 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 58 transition count 57
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 58 transition count 57
Applied a total of 74 rules in 5 ms. Remains 58 /95 variables (removed 37) and now considering 57/129 (removed 72) transitions.
// Phase 1: matrix 57 rows 58 cols
[2025-06-07 12:34:12] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:12] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-07 12:34:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:12] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Running 56 sub problems to find dead transitions.
[2025-06-07 12:34:12] [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, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/115 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (OVERLAPS) 0/115 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 115/115 variables, and 59 constraints, problems are : Problem set: 0 solved, 56 unsolved in 649 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 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) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 1/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 57/115 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 56/115 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (OVERLAPS) 0/115 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Int declared 115/115 variables, and 115 constraints, problems are : Problem set: 0 solved, 56 unsolved in 908 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1561ms 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 : 58/95 places, 57/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1678 ms. Remains : 58/95 places, 57/129 transitions.
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-06 finished in 1789 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(F((F(p1)&&p0))))))'
Support contains 4 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 61 transition count 64
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 61 transition count 64
Applied a total of 68 rules in 5 ms. Remains 61 /95 variables (removed 34) and now considering 64/129 (removed 65) transitions.
// Phase 1: matrix 64 rows 61 cols
[2025-06-07 12:34:14] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:14] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-07 12:34:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:14] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Running 63 sub problems to find dead transitions.
[2025-06-07 12:34:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 1/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 64/125 variables, 61/62 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 0/125 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 62 constraints, problems are : Problem set: 0 solved, 63 unsolved in 761 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 61/61 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 1/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 64/125 variables, 61/62 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 63/125 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (OVERLAPS) 0/125 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 125 constraints, problems are : Problem set: 0 solved, 63 unsolved in 1074 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 61/61 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1842ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 1842ms
Starting structural reductions in LTL mode, iteration 1 : 61/95 places, 64/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1941 ms. Remains : 61/95 places, 64/129 transitions.
Stuttering acceptance computed with spot in 196 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-07
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-07 finished in 2151 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 23 are kept as prefixes of interest. Removing 72 places using SCC suffix rule.1 ms
Discarding 72 places :
Also discarding 86 output transitions
Drop transitions (Output transitions of discarded places.) removed 86 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 22 transition count 40
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 10 place count 15 transition count 21
Iterating global reduction 1 with 7 rules applied. Total rules applied 17 place count 15 transition count 21
Applied a total of 17 rules in 10 ms. Remains 15 /95 variables (removed 80) and now considering 21/129 (removed 108) transitions.
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 12:34:16] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:16] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-07 12:34:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:16] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:34:16] [INFO ] Redundant transitions in 12 ms returned [5]
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 13 sub problems to find dead transitions.
// Phase 1: matrix 20 rows 15 cols
[2025-06-07 12:34:16] [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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 16/27 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 4/31 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 2/33 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 2/35 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/35 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 15 constraints, problems are : Problem set: 0 solved, 13 unsolved in 203 ms.
Refiners :[State Equation: 15/15 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 16/27 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 4/31 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 2/33 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 2/35 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 0/35 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 28 constraints, problems are : Problem set: 0 solved, 13 unsolved in 208 ms.
Refiners :[State Equation: 15/15 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 415ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 415ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/95 places, 20/129 transitions.
Graph (complete) has 6 edges and 15 vertex of which 14 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 14 /15 variables (removed 1) and now considering 19/20 (removed 1) transitions.
// Phase 1: matrix 19 rows 14 cols
[2025-06-07 12:34:16] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:17] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 12:34:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:17] [INFO ] Implicit Places using invariants and state equation in 23 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 : 14/95 places, 19/129 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 551 ms. Remains : 14/95 places, 19/129 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-08
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-08 finished in 698 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(((F(G(p0)) U p1) U X(p2)))))'
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 62 transition count 68
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 62 transition count 68
Applied a total of 66 rules in 8 ms. Remains 62 /95 variables (removed 33) and now considering 68/129 (removed 61) transitions.
// Phase 1: matrix 68 rows 62 cols
[2025-06-07 12:34:17] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:17] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 12:34:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:17] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 67 sub problems to find dead transitions.
[2025-06-07 12:34:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 68/130 variables, 62/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 5 (OVERLAPS) 0/130 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 63 constraints, problems are : Problem set: 0 solved, 67 unsolved in 761 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 67/67 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 67 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 3 (OVERLAPS) 68/130 variables, 62/63 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 67/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 67 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 67 unsolved in 1142 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 67/67 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1909ms problems are : Problem set: 0 solved, 67 unsolved
Search for dead transitions found 0 dead transitions in 1914ms
Starting structural reductions in LTL mode, iteration 1 : 62/95 places, 68/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2032 ms. Remains : 62/95 places, 68/129 transitions.
Stuttering acceptance computed with spot in 314 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-09
Stuttering criterion allowed to conclude after 38 steps with 3 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-09 finished in 2376 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)&&F((G(p1)&&X(p2)&&F((!p3 U (p4||G(!p3))))))))'
Support contains 10 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 67 transition count 73
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 67 transition count 73
Applied a total of 56 rules in 6 ms. Remains 67 /95 variables (removed 28) and now considering 73/129 (removed 56) transitions.
// Phase 1: matrix 73 rows 67 cols
[2025-06-07 12:34:19] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:19] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-07 12:34:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:19] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2025-06-07 12:34:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 1/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 73/140 variables, 67/68 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 0/140 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 68 constraints, problems are : Problem set: 0 solved, 72 unsolved in 880 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 1/67 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 73/140 variables, 67/68 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 72/140 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 0/140 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 140 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1299 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2187ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 2187ms
Starting structural reductions in LTL mode, iteration 1 : 67/95 places, 73/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2297 ms. Remains : 67/95 places, 73/129 transitions.
Stuttering acceptance computed with spot in 277 ms :[(OR (NOT p1) (NOT p2) (NOT p0) (AND p3 (NOT p4))), (NOT p0), (OR (NOT p1) (NOT p2) (AND p3 (NOT p4))), (NOT p1), (NOT p2), (AND (NOT p4) p3)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-10
Stuttering criterion allowed to conclude after 62 steps with 3 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-10 finished in 2601 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X((F(p1)&&p0)))&&F(p2)))))'
Support contains 3 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 35 place count 60 transition count 60
Iterating global reduction 0 with 35 rules applied. Total rules applied 70 place count 60 transition count 60
Applied a total of 70 rules in 3 ms. Remains 60 /95 variables (removed 35) and now considering 60/129 (removed 69) transitions.
// Phase 1: matrix 60 rows 60 cols
[2025-06-07 12:34:22] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 12:34:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:22] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Running 59 sub problems to find dead transitions.
[2025-06-07 12:34:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 60/120 variables, 60/61 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 0/120 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 61 constraints, problems are : Problem set: 0 solved, 59 unsolved in 625 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 60/60 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) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 60/120 variables, 60/61 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 59/120 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (OVERLAPS) 0/120 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 120 constraints, problems are : Problem set: 0 solved, 59 unsolved in 958 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 60/60 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1600ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 1600ms
Starting structural reductions in LTL mode, iteration 1 : 60/95 places, 60/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1721 ms. Remains : 60/95 places, 60/129 transitions.
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-11
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-11 finished in 2022 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((F(!(p0 U (X(p0)||p1)))||G(p2)))))'
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 63 transition count 67
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 63 transition count 67
Applied a total of 64 rules in 6 ms. Remains 63 /95 variables (removed 32) and now considering 67/129 (removed 62) transitions.
// Phase 1: matrix 67 rows 63 cols
[2025-06-07 12:34:24] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:24] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-07 12:34:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:24] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2025-06-07 12:34:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 67/130 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (OVERLAPS) 0/130 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 64 constraints, problems are : Problem set: 0 solved, 66 unsolved in 658 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/130 variables, 63/64 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 66/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1130 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1796ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 1796ms
Starting structural reductions in LTL mode, iteration 1 : 63/95 places, 67/129 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1901 ms. Remains : 63/95 places, 67/129 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-12
Product exploration explored 100000 steps with 31622 reset in 215 ms.
Product exploration explored 100000 steps with 31504 reset in 216 ms.
Computed a total of 63 stabilizing places and 67 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 63 transition count 67
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) p2 (NOT p0)), (X p2), (X (NOT (AND p2 p0 p1))), (X (AND p2 (NOT p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT (AND (NOT p2) p0 p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (X p2)), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0 p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (F (G (NOT p1))), (F (G p2)), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p1)), (X (X (NOT p1))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 23 factoid took 15 ms. Reduced automaton from 3 states, 15 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-12 finished in 2562 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G(p1))))'
Support contains 4 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 27 are kept as prefixes of interest. Removing 68 places using SCC suffix rule.0 ms
Discarding 68 places :
Also discarding 82 output transitions
Drop transitions (Output transitions of discarded places.) removed 82 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 26 transition count 44
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 11 place count 18 transition count 23
Iterating global reduction 1 with 8 rules applied. Total rules applied 19 place count 18 transition count 23
Applied a total of 19 rules in 3 ms. Remains 18 /95 variables (removed 77) and now considering 23/129 (removed 106) transitions.
// Phase 1: matrix 23 rows 18 cols
[2025-06-07 12:34:26] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:26] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-07 12:34:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:26] [INFO ] Implicit Places using invariants and state equation in 26 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 12:34:26] [INFO ] Redundant transitions in 10 ms returned [15]
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 15 sub problems to find dead transitions.
// Phase 1: matrix 22 rows 18 cols
[2025-06-07 12:34:26] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 18/32 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 4/36 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 2/38 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 2/40 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/40 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/40 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 18 constraints, problems are : Problem set: 0 solved, 15 unsolved in 208 ms.
Refiners :[State Equation: 18/18 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 18/32 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 15/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 4/36 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/38 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 2/40 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/40 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/40 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 33 constraints, problems are : Problem set: 0 solved, 15 unsolved in 244 ms.
Refiners :[State Equation: 18/18 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 456ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 457ms
Starting structural reductions in SI_LTL mode, iteration 1 : 18/95 places, 22/129 transitions.
Graph (complete) has 8 edges and 18 vertex of which 17 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 17 /18 variables (removed 1) and now considering 21/22 (removed 1) transitions.
// Phase 1: matrix 21 rows 17 cols
[2025-06-07 12:34:27] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 12:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/95 places, 21/129 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 578 ms. Remains : 17/95 places, 21/129 transitions.
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-13
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-13 finished in 629 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 10 are kept as prefixes of interest. Removing 85 places using SCC suffix rule.1 ms
Discarding 85 places :
Also discarding 107 output transitions
Drop transitions (Output transitions of discarded places.) removed 107 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 9 transition count 17
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 9 place count 5 transition count 7
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 5 transition count 7
Applied a total of 13 rules in 6 ms. Remains 5 /95 variables (removed 90) and now considering 7/129 (removed 122) transitions.
// Phase 1: matrix 7 rows 5 cols
[2025-06-07 12:34:27] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-07 12:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:34:27] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-07 12:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/10 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 5 constraints, problems are : Problem set: 0 solved, 4 unsolved in 48 ms.
Refiners :[State Equation: 5/5 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2/10 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/12 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/12 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/12 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 9 constraints, problems are : Problem set: 0 solved, 4 unsolved in 53 ms.
Refiners :[State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 103ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/95 places, 7/129 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 154 ms. Remains : 5/95 places, 7/129 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-14
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-14 finished in 192 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 3 out of 95 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 129/129 transitions.
Graph (complete) has 56 edges and 95 vertex of which 22 are kept as prefixes of interest. Removing 73 places using SCC suffix rule.0 ms
Discarding 73 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 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 21 transition count 38
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 11 place count 13 transition count 17
Iterating global reduction 1 with 8 rules applied. Total rules applied 19 place count 13 transition count 17
Applied a total of 19 rules in 3 ms. Remains 13 /95 variables (removed 82) and now considering 17/129 (removed 112) transitions.
// Phase 1: matrix 17 rows 13 cols
[2025-06-07 12:34:27] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 12:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:27] [INFO ] Implicit Places using invariants and state equation in 32 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 12:34:27] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 12:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 4/28 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 2/30 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 13 constraints, problems are : Problem set: 0 solved, 12 unsolved in 123 ms.
Refiners :[State Equation: 13/13 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) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 12/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 2/30 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 12 unsolved in 149 ms.
Refiners :[State Equation: 13/13 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 276ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/95 places, 17/129 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 334 ms. Remains : 13/95 places, 17/129 transitions.
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A02-LTLFireability-15
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A02-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A02-LTLFireability-15 finished in 475 ms.
All properties solved by simple procedures.
Total runtime 33000 ms.

BK_STOP 1749299668407

--------------------
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-S04D1C1A02"
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-S04D1C1A02, 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-174915590800972"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A02.tgz
mv ViralEpidemic-PT-S04D1C1A02 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 ;