Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590800996.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-S04D1C1A06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590800996
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 9.0K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 27K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K 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 4.0K 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 20M 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-S04D1C1A06-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749303916491

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-S04D1C1A06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 13:45:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 13:45:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 13:45:19] [INFO ] Load time of PNML (sax parser for PT used): 1114 ms
[2025-06-07 13:45:19] [INFO ] Transformed 32767 places.
[2025-06-07 13:45:19] [INFO ] Transformed 49149 transitions.
[2025-06-07 13:45:19] [INFO ] Found NUPN structural information;
[2025-06-07 13:45:19] [INFO ] Parsed PT model containing 32767 places and 49149 transitions and 114681 arcs in 1435 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 69 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2114 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:45:31] [INFO ] Invariants computation overflowed in 9250 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:46:06] [INFO ] Performed 14705/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 13:46:33] [INFO ] Implicit Places using invariants in 71550 ms returned []
Implicit Place search using SMT only with invariants took 71654 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:46:42] [INFO ] Invariants computation overflowed in 8499 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 229043ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 229315ms
Finished structural reductions in LTL mode , in 1 iterations and 303243 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Support contains 69 out of 32767 places after structural reductions.
[2025-06-07 13:50:24] [INFO ] Flatten gal took : 1445 ms
[2025-06-07 13:50:26] [INFO ] Flatten gal took : 1174 ms
[2025-06-07 13:50:28] [INFO ] Input system was already deterministic with 49149 transitions.
Reduction of identical properties reduced properties to check from 42 to 37
RANDOM walk for 40000 steps (59 resets) in 10974 ms. (3 steps per ms) remains 4/37 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6224 ms. (6 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6794 ms. (5 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6536 ms. (6 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6111 ms. (6 steps per ms) remains 4/4 properties
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:50:46] [INFO ] Invariants computation overflowed in 8146 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 28/37 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 74/111 variables, 30/48 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 30/78 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 128/239 variables, 44/122 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 44/166 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 288/527 variables, 96/262 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/527 variables, 96/358 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/527 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 504/1031 variables, 168/526 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1031 variables, 168/694 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1031 variables, 0/694 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 1147/2178 variables, 383/1077 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2178 variables, 383/1460 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/2178 variables, 0/1460 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 1964/4142 variables, 659/2119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/4142 variables, 659/2778 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/4142 variables, 0/2778 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 13368ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 32767 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Graph (complete) has 21844 edges and 32767 vertex of which 56 are kept as prefixes of interest. Removing 32711 places using SCC suffix rule.37 ms
Discarding 32711 places :
Also discarding 49023 output transitions
Drop transitions (Output transitions of discarded places.) removed 49023 transitions
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 91 rules applied. Total rules applied 92 place count 56 transition count 35
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 109 place count 39 transition count 35
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 109 place count 39 transition count 30
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 119 place count 34 transition count 30
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 128 place count 25 transition count 21
Iterating global reduction 2 with 9 rules applied. Total rules applied 137 place count 25 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 139 place count 24 transition count 20
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 140 place count 23 transition count 19
Applied a total of 140 rules in 136 ms. Remains 23 /32767 variables (removed 32744) and now considering 19/49149 (removed 49130) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 23/32767 places, 19/49149 transitions.
RANDOM walk for 38 steps (0 resets) in 4 ms. (7 steps per ms) remains 0/4 properties
Computed a total of 32767 stabilizing places and 49149 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 32767 transition count 49149
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((F(p0)&&(X(p2)||p1)) U X(p3)))))'
Support contains 9 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2010 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:51:02] [INFO ] Invariants computation overflowed in 8268 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:51:37] [INFO ] Performed 16202/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 13:52:02] [INFO ] Implicit Places using invariants in 68322 ms returned []
Implicit Place search using SMT only with invariants took 68326 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:52:11] [INFO ] Invariants computation overflowed in 8282 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 245250ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 245387ms
Finished structural reductions in LTL mode , in 1 iterations and 315835 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 564 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p3) (NOT p2)), (NOT p0), true]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-02
Stuttering criterion allowed to conclude after 745 steps with 0 reset in 132 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-02 finished in 316703 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||X(p1)))&&F((!p2 U (p3||G(!p2)))))))'
Support contains 5 out of 32767 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Graph (complete) has 21844 edges and 32767 vertex of which 83 are kept as prefixes of interest. Removing 32684 places using SCC suffix rule.40 ms
Discarding 32684 places :
Also discarding 48978 output transitions
Drop transitions (Output transitions of discarded places.) removed 48978 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 82 transition count 156
Discarding 31 places :
Symmetric choice reduction at 1 with 31 rule applications. Total rules 46 place count 51 transition count 73
Iterating global reduction 1 with 31 rules applied. Total rules applied 77 place count 51 transition count 73
Graph (complete) has 30 edges and 51 vertex of which 50 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Iterating post reduction 1 with 1 rules applied. Total rules applied 78 place count 50 transition count 72
Applied a total of 78 rules in 96 ms. Remains 50 /32767 variables (removed 32717) and now considering 72/49149 (removed 49077) transitions.
// Phase 1: matrix 72 rows 50 cols
[2025-06-07 13:56:09] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:56:09] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-07 13:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:56:09] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 13:56:09] [INFO ] Redundant transitions in 23 ms returned [7, 11, 35, 42, 59, 69]
Found 6 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 6 transitions
Redundant transitions reduction (with SMT) removed 6 transitions.
Running 52 sub problems to find dead transitions.
// Phase 1: matrix 66 rows 50 cols
[2025-06-07 13:56:09] [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) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (OVERLAPS) 62/108 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (OVERLAPS) 4/112 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (OVERLAPS) 2/114 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 2/116 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (OVERLAPS) 0/116 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 50 constraints, problems are : Problem set: 0 solved, 52 unsolved in 1663 ms.
Refiners :[State Equation: 50/50 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (OVERLAPS) 62/108 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 52/98 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 4/112 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (OVERLAPS) 2/114 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (OVERLAPS) 2/116 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/116 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 10 (OVERLAPS) 0/116 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 102 constraints, problems are : Problem set: 0 solved, 52 unsolved in 1386 ms.
Refiners :[State Equation: 50/50 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3058ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 3059ms
Starting structural reductions in SI_LTL mode, iteration 1 : 50/32767 places, 66/49149 transitions.
Graph (complete) has 29 edges and 50 vertex of which 44 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Applied a total of 1 rules in 2 ms. Remains 44 /50 variables (removed 6) and now considering 60/66 (removed 6) transitions.
// Phase 1: matrix 60 rows 44 cols
[2025-06-07 13:56:12] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:56:12] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-07 13:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:56:12] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 44/32767 places, 60/49149 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3471 ms. Remains : 44/32767 places, 60/49149 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (AND (NOT p0) (NOT p1)) (AND p2 (NOT p3))), (AND (NOT p3) p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-03
Product exploration explored 100000 steps with 33263 reset in 204 ms.
Product exploration explored 100000 steps with 33339 reset in 187 ms.
Computed a total of 44 stabilizing places and 60 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 44 transition count 60
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 p3 (NOT p2) (NOT p0) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) p2))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p0))), (X (X p1)), (F (G p3)), (F (G (NOT p2))), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 19 factoid took 15 ms. Reduced automaton from 3 states, 6 edges and 4 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-03 finished in 4085 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(p1)||p0))&&F(p2)))'
Support contains 4 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2670 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:56:24] [INFO ] Invariants computation overflowed in 8660 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 13:56:59] [INFO ] Performed 15757/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 13:57:26] [INFO ] Implicit Places using invariants in 70414 ms returned []
Implicit Place search using SMT only with invariants took 70416 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 13:57:35] [INFO ] Invariants computation overflowed in 8625 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 247931ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 248050ms
Finished structural reductions in LTL mode , in 1 iterations and 321220 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), (NOT p2), true, (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 7 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-04 finished in 321462 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(((p0 U p1)||X(X(p2)))))||G(p3)))'
Support contains 5 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2597 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:01:45] [INFO ] Invariants computation overflowed in 8268 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:02:20] [INFO ] Performed 17212/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:02:43] [INFO ] Implicit Places using invariants in 66821 ms returned []
Implicit Place search using SMT only with invariants took 66823 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:02:52] [INFO ] Invariants computation overflowed in 8081 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 237058ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 237160ms
Finished structural reductions in LTL mode , in 1 iterations and 306645 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 353 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), false]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-05
Stuttering criterion allowed to conclude after 13769 steps with 20 reset in 2130 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-05 finished in 309216 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((G((!p0 U X(X(X(p0)))))||F(p1))))'
Support contains 4 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2622 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:06:54] [INFO ] Invariants computation overflowed in 8409 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:07:29] [INFO ] Performed 17398/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:07:53] [INFO ] Implicit Places using invariants in 66877 ms returned []
Implicit Place search using SMT only with invariants took 66882 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:08:01] [INFO ] Invariants computation overflowed in 8204 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 233206ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 233309ms
Finished structural reductions in LTL mode , in 1 iterations and 302892 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 277 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-06
Stuttering criterion allowed to conclude after 661 steps with 0 reset in 127 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-06 finished in 303385 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(F(p0))&&(X(X(X(!p1))) U ((!p2&&X(X(X(!p1))))||X(X(X(G(!p1)))))))))'
Support contains 8 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2673 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:11:58] [INFO ] Invariants computation overflowed in 8579 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:12:33] [INFO ] Performed 15460/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:13:00] [INFO ] Implicit Places using invariants in 70208 ms returned []
Implicit Place search using SMT only with invariants took 70212 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:13:10] [INFO ] Invariants computation overflowed in 9842 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 244257ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 244345ms
Finished structural reductions in LTL mode , in 1 iterations and 317354 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1, p1, p1, p1, true]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-07
Stuttering criterion allowed to conclude after 512 steps with 1 reset in 80 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-07 finished in 317828 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(p1)&&p0)))'
Support contains 4 out of 32767 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Graph (complete) has 21844 edges and 32767 vertex of which 65 are kept as prefixes of interest. Removing 32702 places using SCC suffix rule.25 ms
Discarding 32702 places :
Also discarding 49014 output transitions
Drop transitions (Output transitions of discarded places.) removed 49014 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 64 transition count 124
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 34 place count 41 transition count 61
Iterating global reduction 1 with 23 rules applied. Total rules applied 57 place count 41 transition count 61
Graph (complete) has 23 edges and 41 vertex of which 40 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
Iterating post reduction 1 with 1 rules applied. Total rules applied 58 place count 40 transition count 60
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 59 place count 40 transition count 59
Applied a total of 59 rules in 61 ms. Remains 40 /32767 variables (removed 32727) and now considering 59/49149 (removed 49090) transitions.
// Phase 1: matrix 59 rows 40 cols
[2025-06-07 14:17:05] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:17:05] [INFO ] Implicit Places using invariants in 161 ms returned []
[2025-06-07 14:17:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:17:05] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 14:17:05] [INFO ] Redundant transitions in 15 ms returned [6, 10, 20, 38, 53, 55, 57]
Found 7 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 7 transitions
Redundant transitions reduction (with SMT) removed 7 transitions.
Running 37 sub problems to find dead transitions.
// Phase 1: matrix 52 rows 40 cols
[2025-06-07 14:17:05] [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) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 48/84 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 4/88 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (OVERLAPS) 2/90 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (OVERLAPS) 2/92 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 40 constraints, problems are : Problem set: 0 solved, 37 unsolved in 849 ms.
Refiners :[State Equation: 40/40 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 37 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 48/84 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 37/73 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (OVERLAPS) 4/88 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (OVERLAPS) 2/90 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (OVERLAPS) 2/92 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 10 (OVERLAPS) 0/92 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 77 constraints, problems are : Problem set: 0 solved, 37 unsolved in 798 ms.
Refiners :[State Equation: 40/40 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1650ms problems are : Problem set: 0 solved, 37 unsolved
Search for dead transitions found 0 dead transitions in 1650ms
Starting structural reductions in SI_LTL mode, iteration 1 : 40/32767 places, 52/49149 transitions.
Graph (complete) has 22 edges and 40 vertex of which 33 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Applied a total of 1 rules in 2 ms. Remains 33 /40 variables (removed 7) and now considering 45/52 (removed 7) transitions.
// Phase 1: matrix 45 rows 33 cols
[2025-06-07 14:17:06] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:17:06] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 14:17:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:17:06] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 33/32767 places, 45/49149 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1984 ms. Remains : 33/32767 places, 45/49149 transitions.
Stuttering acceptance computed with spot in 68 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-08
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-08 finished in 2092 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(!p0)) U (X(X(p1))&&G(p2))))'
Support contains 5 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2710 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:17:17] [INFO ] Invariants computation overflowed in 8220 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:17:52] [INFO ] Performed 17444/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:18:15] [INFO ] Implicit Places using invariants in 66232 ms returned []
Implicit Place search using SMT only with invariants took 66236 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:18:24] [INFO ] Invariants computation overflowed in 8242 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 246061ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 246162ms
Finished structural reductions in LTL mode , in 1 iterations and 315175 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 333 ms :[(OR (NOT p2) (NOT p1)), p0, (NOT p1), (NOT p2), (AND p0 (NOT p1)), (NOT p1), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-09
Product exploration timeout after 64980 steps with 100 reset in 10001 ms.
Product exploration timeout after 48320 steps with 76 reset in 10001 ms.
Computed a total of 32767 stabilizing places and 49149 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 32767 transition count 49149
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 p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 232 ms. Reduced automaton from 8 states, 26 edges and 3 AP (stutter sensitive) to 8 states, 27 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 308 ms :[(OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1), (NOT p1), (AND p2 (NOT p1)), false, false]
RANDOM walk for 40000 steps (62 resets) in 8514 ms. (4 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 7092 ms. (5 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6275 ms. (6 steps per ms) remains 1/1 properties
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:26:31] [INFO ] Invariants computation overflowed in 8180 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 10/13 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 41/54 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 15/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 74/128 variables, 26/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 26/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/128 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 126/254 variables, 42/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/254 variables, 42/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/254 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 288/542 variables, 96/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/542 variables, 96/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/542 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 504/1046 variables, 168/532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1046 variables, 168/700 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1046 variables, 0/700 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1144/2190 variables, 383/1083 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/2190 variables, 383/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/2190 variables, 0/1466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1964/4154 variables, 656/2122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/4154 variables, 656/2778 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/4154 variables, 0/2778 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 4410/8564 variables, 1482/4260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/8564 variables, 1482/5742 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/8564 variables, 0/5742 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 7272/15836 variables, 2472/8214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/15836 variables, 2472/10686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/15836 variables, 0/10686 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 13322ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 32767 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Graph (complete) has 21844 edges and 32767 vertex of which 21 are kept as prefixes of interest. Removing 32746 places using SCC suffix rule.10 ms
Discarding 32746 places :
Also discarding 49098 output transitions
Drop transitions (Output transitions of discarded places.) removed 49098 transitions
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 38 rules applied. Total rules applied 39 place count 21 transition count 13
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 46 place count 14 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 46 place count 14 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 12 transition count 11
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 53 place count 9 transition count 8
Iterating global reduction 2 with 3 rules applied. Total rules applied 56 place count 9 transition count 8
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 8 transition count 7
Applied a total of 57 rules in 44 ms. Remains 8 /32767 variables (removed 32759) and now considering 7/49149 (removed 49142) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 8/32767 places, 7/49149 transitions.
RANDOM walk for 31 steps (4 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F p1), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2)))), (F p2)]
Property proved to be false thanks to negative knowledge :(F (NOT (OR (NOT p1) (NOT p2))))
Knowledge based reduction with 11 factoid took 298 ms. Reduced automaton from 8 states, 27 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-09 finished in 569872 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(!p0)&&F(!p1))||X((F(G(p2))||G(!p0)))))'
Support contains 6 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2627 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:26:47] [INFO ] Invariants computation overflowed in 8330 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:27:23] [INFO ] Performed 17256/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:27:46] [INFO ] Implicit Places using invariants in 66664 ms returned []
Implicit Place search using SMT only with invariants took 66665 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:27:54] [INFO ] Invariants computation overflowed in 8251 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 236065ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 236167ms
Finished structural reductions in LTL mode , in 1 iterations and 305525 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 199 ms :[(AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND p1 p0 (NOT p2)), (NOT p2), (AND p1 (NOT p2))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-10
Product exploration timeout after 36150 steps with 18075 reset in 10003 ms.
Product exploration timeout after 30880 steps with 15440 reset in 10002 ms.
Computed a total of 32767 stabilizing places and 49149 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 32767 transition count 49149
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) p2), (X (NOT (AND p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G p2))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 22 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-10 finished in 539336 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&F(p1))))'
Support contains 2 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2576 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:35:48] [INFO ] Invariants computation overflowed in 9373 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:36:22] [INFO ] Performed 16302/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:36:47] [INFO ] Implicit Places using invariants in 68938 ms returned []
Implicit Place search using SMT only with invariants took 68939 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:36:56] [INFO ] Invariants computation overflowed in 8345 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SMT process timed out in 251192ms, After SMT, problems are : Problem set: 0 solved, 49148 unsolved
Search for dead transitions found 0 dead transitions in 251295ms
Finished structural reductions in LTL mode , in 1 iterations and 322876 ms. Remains : 32767/32767 places, 49149/49149 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A06-LTLFireability-12
Stuttering criterion allowed to conclude after 979 steps with 0 reset in 159 ms.
FORMULA ViralEpidemic-PT-S04D1C1A06-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A06-LTLFireability-12 finished in 323229 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) U ((p1 U p2)&&X(F(p3))))))'
Support contains 4 out of 32767 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Applied a total of 0 rules in 2606 ms. Remains 32767 /32767 variables (removed 0) and now considering 49149/49149 (removed 0) transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:41:10] [INFO ] Invariants computation overflowed in 8432 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 14:41:45] [INFO ] Performed 15999/32767 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-07 14:42:11] [INFO ] Implicit Places using invariants in 69772 ms returned []
Implicit Place search using SMT only with invariants took 69774 ms to find 0 implicit places.
Running 49148 sub problems to find dead transitions.
// Phase 1: matrix 49149 rows 32767 cols
[2025-06-07 14:42:20] [INFO ] Invariants computation overflowed in 8350 ms

BK_TIME_CONFINEMENT_REACHED

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-S04D1C1A06"
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-S04D1C1A06, 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-174915590800996"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A06.tgz
mv ViralEpidemic-PT-S04D1C1A06 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 ;