Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067800612.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 DrinkVendingMachine-COL-24, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067800612
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 28K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-00
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-01
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-02
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-03
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-04
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-05
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-06
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-07
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-08
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-09
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-10
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-11
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-12
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-13
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-14
FORMULA_NAME DrinkVendingMachine-COL-24-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748792235068

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DrinkVendingMachine-COL-24
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-01 15:37:16] [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]
[2025-06-01 15:37:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 15:37:16] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-01 15:37:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 15:37:16] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 538 ms
[2025-06-01 15:37:16] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 288 PT places and 3.3235344E7 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2025-06-01 15:37:17] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 28 arcs in 5 ms.
[2025-06-01 15:37:17] [INFO ] Skeletonized 8 HLPN properties in 1 ms. Removed 8 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 3 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 153 steps (0 resets) in 6 ms. (21 steps per ms) remains 0/4 properties
[2025-06-01 15:37:17] [INFO ] Flatten gal took : 13 ms
[2025-06-01 15:37:17] [INFO ] Flatten gal took : 2 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Quality
Symmetric sort wr.t. initial detected :Quality
Transition elaborate0 : guard parameter $x(Quality:96) in guard (LEQ $x 23)introduces in Quality(96) partition with 2 elements
Transition elaborate1 : guard parameter $x(Quality:96) in guard (AND (GT $x 23) (LEQ $x 47))introduces in Quality(96) partition with 2 elements
Transition elaborate2 : guard parameter $x(Quality:96) in guard (AND (GT $x 47) (LEQ $x 71))introduces in Quality(96) partition with 2 elements
Transition elaborate3 : guard parameter $x(Quality:96) in guard (AND (GT $x 71) (LEQ $x 95))introduces in Quality(96) partition with 2 elements
Sort wr.t. initial and guards Quality has partition 4
Applying symmetric unfolding of partitioned symmetric sort :Quality domain size was 96 reducing to 4 values.
For transition elaborate0:(LEQ $x 23) -> (EQ $x 3)
For transition elaborate1:(AND (GT $x 23) (LEQ $x 47)) -> (EQ $x 2)
For transition elaborate2:(AND (GT $x 47) (LEQ $x 71)) -> (EQ $x 1)
For transition elaborate3:(AND (GT $x 71) (LEQ $x 95)) -> (EQ $x 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Options
Symmetric sort wr.t. initial detected :Options
Symmetric sort wr.t. initial and guards detected :Options
Applying symmetric unfolding of full symmetric sort :Options domain size was 24
Symmetric sort wr.t. initial and guards and successors and join/free detected :Products
Symmetric sort wr.t. initial detected :Products
Symmetric sort wr.t. initial and guards detected :Products
Applying symmetric unfolding of full symmetric sort :Products domain size was 24
[2025-06-01 15:37:17] [INFO ] Unfolded HLPN to a Petri net with 12 places and 10 transitions 34 arcs in 27 ms.
[2025-06-01 15:37:17] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 4 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:17] [INFO ] Computed 6 invariants in 4 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 449ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 457ms
[2025-06-01 15:37:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:17] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-01 15:37:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:17] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 206ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 206ms
Finished structural reductions in LTL mode , in 1 iterations and 795 ms. Remains : 12/12 places, 10/10 transitions.
Support contains 12 out of 12 places after structural reductions.
[2025-06-01 15:37:18] [INFO ] Flatten gal took : 2 ms
[2025-06-01 15:37:18] [INFO ] Flatten gal took : 10 ms
[2025-06-01 15:37:18] [INFO ] Input system was already deterministic with 10 transitions.
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 1194 steps (0 resets) in 10 ms. (108 steps per ms) remains 0/11 properties
FORMULA DrinkVendingMachine-COL-24-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 8 transition count 8
Applied a total of 6 rules in 9 ms. Remains 8 /12 variables (removed 4) and now considering 8/10 (removed 2) transitions.
Running 4 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 8 cols
[2025-06-01 15:37:18] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 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 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 123ms
[2025-06-01 15:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:18] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-01 15:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:18] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 15:37:18] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-01 15:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 113ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 113ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/12 places, 8/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 303 ms. Remains : 8/12 places, 8/10 transitions.
Stuttering acceptance computed with spot in 281 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-00
Product exploration explored 100000 steps with 1013 reset in 207 ms.
Stack based approach found an accepted trace after 48 steps with 0 reset with depth 49 and stack size 49 in 1 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-00 finished in 848 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 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 8 transition count 8
Applied a total of 6 rules in 2 ms. Remains 8 /12 variables (removed 4) and now considering 8/10 (removed 2) transitions.
Running 4 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 8 cols
[2025-06-01 15:37:19] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 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 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 108ms
[2025-06-01 15:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:19] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-01 15:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:19] [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
[2025-06-01 15:37:19] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-01 15:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 119ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/12 places, 8/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 280 ms. Remains : 8/12 places, 8/10 transitions.
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-01
Product exploration explored 100000 steps with 2 reset in 260 ms.
Stack based approach found an accepted trace after 20 steps with 0 reset with depth 21 and stack size 21 in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-01 finished in 686 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&F(G(p1))) U X(X(p2))))'
Support contains 7 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:20] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 163ms
[2025-06-01 15:37:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:20] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-01 15:37:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:20] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 130ms
Finished structural reductions in LTL mode , in 1 iterations and 353 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 350 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-02
Entered a terminal (fully accepting) state of product in 17 steps with 5 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-02 finished in 724 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(G(p0)))))'
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 154ms
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:21] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:21] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 160ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 160ms
Finished structural reductions in LTL mode , in 1 iterations and 394 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 174 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-03
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-03 finished in 578 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(!p0)) U (X(X(G(!p0)))||(X(X(!p0))&&(p0||X(F(!p1)))))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 138ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 138ms
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:21] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:21] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 124ms
Finished structural reductions in LTL mode , in 1 iterations and 311 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 296 ms :[p0, p0, (AND p0 p1), p0, (AND p0 p1), true, (AND p1 p0), p1]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-04 finished in 626 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 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 15 rules applied. Total rules applied 15 place count 2 transition count 5
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 18 place count 2 transition count 2
Applied a total of 18 rules in 7 ms. Remains 2 /12 variables (removed 10) and now considering 2/10 (removed 8) transitions.
// Phase 1: matrix 2 rows 2 cols
[2025-06-01 15:37:22] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:22] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-01 15:37:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:22] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 15:37:22] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-01 15:37:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/4 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/4 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 21 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 48ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/12 places, 2/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 106 ms. Remains : 2/12 places, 2/10 transitions.
Stuttering acceptance computed with spot in 40 ms :[p0]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 106 ms.
Product exploration explored 100000 steps with 50000 reset in 89 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X (NOT p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 17 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DrinkVendingMachine-COL-24-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-06 finished in 375 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0) U ((!p1 U X(p1)) U !p2)))))'
Support contains 7 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:22] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 142ms
[2025-06-01 15:37:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:22] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-01 15:37:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:22] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 198ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 198ms
Finished structural reductions in LTL mode , in 1 iterations and 395 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 343 ms :[p2, p2, (AND (NOT p2) (NOT p1) (NOT p0)), p2, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) p0), (AND p0 p2), true]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-07
Entered a terminal (fully accepting) state of product in 196 steps with 39 reset in 1 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-07 finished in 776 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 U X((!p1||F(!p2))))))'
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 140ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 140ms
[2025-06-01 15:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:23] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-01 15:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:23] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 123ms
Finished structural reductions in LTL mode , in 1 iterations and 318 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 199 ms :[p2, (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p2 p1)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-09
Product exploration explored 100000 steps with 1786 reset in 138 ms.
Stack based approach found an accepted trace after 23 steps with 1 reset with depth 10 and stack size 10 in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-09 finished in 668 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)||X(X(F(!p2))))&&p0)))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 129ms
[2025-06-01 15:37:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:24] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-01 15:37:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:24] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 139ms
Finished structural reductions in LTL mode , in 1 iterations and 328 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p0) (AND p1 p2)), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2)), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-10
Product exploration explored 100000 steps with 2567 reset in 116 ms.
Product exploration explored 100000 steps with 2575 reset in 127 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (AND p0 (NOT p1))), (X p0), (X (NOT (OR (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X p2)), (X (X (AND p0 (NOT p1)))), (X (X (AND p0 (NOT p1) p2))), (X (X (NOT (OR (AND (NOT p0) p2) (AND p1 p2))))), (X (X (NOT (AND p1 p2)))), (X (X p0)), (X (X (NOT (OR (NOT p0) p1)))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 134 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 1110 steps (0 resets) in 18 ms. (58 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (AND p0 (NOT p1))), (X p0), (X (NOT (OR (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X p2)), (X (X (AND p0 (NOT p1)))), (X (X (AND p0 (NOT p1) p2))), (X (X (NOT (OR (AND (NOT p0) p2) (AND p1 p2))))), (X (X (NOT (AND p1 p2)))), (X (X p0)), (X (X (NOT (OR (NOT p0) p1)))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (NOT (OR (NOT p1) (NOT p2)))), (F p1), (F (NOT p0)), (F (NOT p2)), (F (NOT (AND (OR p0 (NOT p2)) (OR (NOT p1) (NOT p2))))), (F (NOT (AND p0 (NOT p1) p2)))]
Knowledge based reduction with 16 factoid took 376 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Stuttering acceptance computed with spot in 176 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 126ms
[2025-06-01 15:37:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:25] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-01 15:37:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:25] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in LTL mode , in 1 iterations and 287 ms. Remains : 12/12 places, 10/10 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 p0), (X (X p2)), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p1) p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 83 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Reduction of identical properties reduced properties to check from 7 to 5
RANDOM walk for 1812 steps (0 resets) in 12 ms. (139 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p1) p2 p0), (X (X p2)), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p1) p2))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (NOT (AND (OR (NOT p1) (NOT p2)) (OR (NOT p2) p0)))), (F p1), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (AND (NOT p1) p2 p0)))]
Knowledge based reduction with 5 factoid took 316 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Stuttering acceptance computed with spot in 165 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Stuttering acceptance computed with spot in 187 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Product exploration explored 100000 steps with 2590 reset in 117 ms.
Product exploration explored 100000 steps with 2585 reset in 119 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 180 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (OR (AND (NOT p0) p2) (AND p1 p2))]
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 12 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 3 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:27] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 2 solved, 4 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 4/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/16 variables, 8/12 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 2/14 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/18 variables, 2/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/20 variables, 2/18 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/22 variables, 4/22 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/22 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 22 constraints, problems are : Problem set: 2 solved, 4 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 4/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 2 solved, 4 unsolved
Search for dead transitions found 2 dead transitions in 131ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 2 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 15:37:27] [INFO ] Redundant transitions in 0 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 12/12 places, 8/10 transitions.
Graph (complete) has 26 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Reduce places removed 2 places and 0 transitions.
Applied a total of 1 rules in 3 ms. Remains 8 /12 variables (removed 4) and now considering 8/8 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/12 places, 8/10 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 149 ms. Remains : 8/12 places, 8/10 transitions.
Built C files in :
/tmp/ltsmin10589917210369060043
[2025-06-01 15:37:27] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10589917210369060043
Running compilation step : cd /tmp/ltsmin10589917210369060043;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 199 ms.
Running link step : cd /tmp/ltsmin10589917210369060043;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin10589917210369060043;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased5303103446407718844.hoa' '--buchi-type=spotba'
LTSmin run took 101 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-10 finished in 4407 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&((p1||F((G(F(!p2))||(p3&&F(!p2))))) U X(p3)))))'
Support contains 9 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:28] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 133ms
[2025-06-01 15:37:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:28] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-01 15:37:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:28] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 120ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 120ms
Finished structural reductions in LTL mode , in 1 iterations and 296 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 354 ms :[(OR (NOT p3) (NOT p0)), (OR (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p3) p2), (NOT p3), (AND p2 (NOT p3)), true, p2, p2]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-11
Product exploration explored 100000 steps with 12 reset in 82 ms.
Stack based approach found an accepted trace after 25 steps with 1 reset with depth 23 and stack size 23 in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-11 finished in 763 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G((p1||X(X(X(F(!p2))))))))'
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 129ms
[2025-06-01 15:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:29] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-01 15:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:29] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 132ms
Finished structural reductions in LTL mode , in 1 iterations and 307 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 435 ms :[(AND (NOT p1) p2), p2, (AND (NOT p1) p2), (AND (NOT p1) p2), p2, p2, (AND (NOT p1) p2), (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-12
Product exploration explored 100000 steps with 4 reset in 84 ms.
Stack based approach found an accepted trace after 81 steps with 0 reset with depth 82 and stack size 80 in 1 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-12 finished in 851 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 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 4 transition count 6
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 4 transition count 4
Applied a total of 14 rules in 2 ms. Remains 4 /12 variables (removed 8) and now considering 4/10 (removed 6) transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-01 15:37:29] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:30] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-01 15:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:30] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 15:37:30] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-01 15:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 69ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/12 places, 4/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 117 ms. Remains : 4/12 places, 4/10 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 47 ms.
Product exploration explored 100000 steps with 0 reset in 81 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
RANDOM walk for 1203 steps (0 resets) in 7 ms. (150 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 3 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-01 15:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:30] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-01 15:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:30] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 15:37:30] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-01 15:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 27 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 65ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 112 ms. Remains : 4/4 places, 4/4 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 83 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 550 steps (0 resets) in 5 ms. (91 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 113 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 77 ms.
Product exploration explored 100000 steps with 0 reset in 67 ms.
Built C files in :
/tmp/ltsmin2267033825316971270
[2025-06-01 15:37:31] [INFO ] Computing symmetric may disable matrix : 4 transitions.
[2025-06-01 15:37:31] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 15:37:31] [INFO ] Computing symmetric may enable matrix : 4 transitions.
[2025-06-01 15:37:31] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 15:37:31] [INFO ] Computing Do-Not-Accords matrix : 4 transitions.
[2025-06-01 15:37:31] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 15:37:31] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2267033825316971270
Running compilation step : cd /tmp/ltsmin2267033825316971270;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 72 ms.
Running link step : cd /tmp/ltsmin2267033825316971270;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin2267033825316971270;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased3691096643594718941.hoa' '--buchi-type=spotba'
LTSmin run took 58 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-13 finished in 1480 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(X(!p0))||(!p0 U (p1||G(!p0)))))))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-01 15:37:31] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 137ms
[2025-06-01 15:37:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:31] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-01 15:37:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:31] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 127ms
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 332 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p1) p0)]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-14
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-24-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-14 finished in 669 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 129ms
[2025-06-01 15:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:32] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-01 15:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 15:37:32] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2025-06-01 15:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/22 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/22 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 24 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 130ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 130ms
Finished structural reductions in LTL mode , in 1 iterations and 314 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 118 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DrinkVendingMachine-COL-24-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Product exploration explored 100000 steps with 50000 reset in 73 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 18 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DrinkVendingMachine-COL-24-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-24-LTLFireability-15 finished in 609 ms.
All properties solved by simple procedures.
Total runtime 16467 ms.

BK_STOP 1748792252887

--------------------
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="DrinkVendingMachine-COL-24"
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 DrinkVendingMachine-COL-24, 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 r072-tall-174860067800612"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-COL-24.tgz
mv DrinkVendingMachine-COL-24 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 ;