fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r114-smll-177955740400076
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DrinkVendingMachine-COL-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
481.212 15801.00 29174.00 225.30 FFFFFFFTFTFFFTTF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740400076.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DrinkVendingMachine-COL-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400076
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 5.9K Mar 7 08:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 7 08:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 07:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 7 07:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 09:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 09:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 09:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 7 09:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 09:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 7 09:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 24K Mar 3 18:30 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-10-LTLFireability-00
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-01
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-02
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-03
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-04
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-05
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-06
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-07
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-08
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-09
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-10
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-11
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-12
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-13
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-14
FORMULA_NAME DrinkVendingMachine-COL-10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779641690012

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-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-24 16:54:51] [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]
[2026-05-24 16:54:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 16:54:52] [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.
[2026-05-24 16:54:52] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 16:54:53] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 884 ms
[2026-05-24 16:54:53] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 120 PT places and 444460.0 transition bindings in 30 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
[2026-05-24 16:54:53] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 28 arcs in 7 ms.
[2026-05-24 16:54:53] [INFO ] Skeletonized 6 HLPN properties in 2 ms. Removed 10 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 202 steps (0 resets) in 10 ms. (18 steps per ms) remains 0/4 properties
[2026-05-24 16:54:53] [INFO ] Flatten gal took : 20 ms
[2026-05-24 16:54:53] [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:40) in guard (LEQ $x 9)introduces in Quality(40) partition with 2 elements
Transition elaborate1 : guard parameter $x(Quality:40) in guard (AND (GT $x 9) (LEQ $x 19))introduces in Quality(40) partition with 2 elements
Transition elaborate2 : guard parameter $x(Quality:40) in guard (AND (GT $x 19) (LEQ $x 29))introduces in Quality(40) partition with 2 elements
Transition elaborate3 : guard parameter $x(Quality:40) in guard (AND (GT $x 29) (LEQ $x 39))introduces in Quality(40) 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 40 reducing to 4 values.
For transition elaborate0:(LEQ $x 9) -> (EQ $x 3)
For transition elaborate1:(AND (GT $x 9) (LEQ $x 19)) -> (EQ $x 2)
For transition elaborate2:(AND (GT $x 19) (LEQ $x 29)) -> (EQ $x 1)
For transition elaborate3:(AND (GT $x 29) (LEQ $x 39)) -> (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 10
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 10
[2026-05-24 16:54:53] [INFO ] Unfolded HLPN to a Petri net with 12 places and 10 transitions 34 arcs in 37 ms.
[2026-05-24 16:54:53] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 9 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12053653601875472332.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-878332117156580029.kers'
[2026-05-24 16:54:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12053653601875472332.kers, --Pflows, --basisKERS=/tmp/petrispot-output-878332117156580029.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 10 rows 6 cols 17 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 16:54:53] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-878332117156580029.kers
Total runtime 3 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 484 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
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 323 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 886ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 903ms
[2026-05-24 16:54:54] [INFO ] Invariant cache hit.
[2026-05-24 16:54:54] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 16:54:54] [INFO ] Invariant cache hit.
[2026-05-24 16:54:54] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1083 ms. Remains : 12/12 places, 10/10 transitions.
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.
Skipped dead transition search.
[2026-05-24 16:54:54] [INFO ] Invariant cache hit.
[2026-05-24 16:54:54] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 16:54:54] [INFO ] Invariant cache hit.
[2026-05-24 16:54:54] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 12/12 places, 10/10 transitions.
Support contains 12 out of 12 places after structural reductions.
[2026-05-24 16:54:54] [INFO ] Flatten gal took : 8 ms
[2026-05-24 16:54:54] [INFO ] Flatten gal took : 10 ms
[2026-05-24 16:54:54] [INFO ] Input system was already deterministic with 10 transitions.
Reduction of identical properties reduced properties to check from 13 to 9
RANDOM walk for 226 steps (0 resets) in 11 ms. (18 steps per ms) remains 0/9 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(((X(X(p1))||(X(p2) U (X(G(p2))||(X(p2)&&G(!p3))))) U (p0&&(X(X(p1))||(X(p2) U (X(G(p2))||(X(p2)&&G(!p3)))))))))))'
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.
Skipped dead transition search.
[2026-05-24 16:54:55] [INFO ] Invariant cache hit.
[2026-05-24 16:54:55] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 16:54:55] [INFO ] Invariant cache hit.
[2026-05-24 16:54:55] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(((X(X(p1))||(X(p2) U (X(G(p2))||(X(p2)&&G(!p3))))) U (p0&&(X(X(p1))||(X(p2) U (X(G(p2))||(X(p2)&&G(!p3)))))))))))'
Stuttering acceptance computed with spot in 983 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (AND p3 (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), true, (AND p3 (NOT p2) (NOT p1)), (AND p3 (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND p3 p2), (AND p3 (NOT p2)), (AND p3 (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-00
Entered a terminal (fully accepting) state of product in 9750 steps with 17 reset in 107 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-00 finished in 1357 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(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 18 ms. Remains 8 /12 variables (removed 4) and now considering 8/10 (removed 2) transitions.
Running 4 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-747101459880336685.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13860364457796060864.kers'
[2026-05-24 16:54:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-747101459880336685.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13860364457796060864.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 8 rows 4 cols 13 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 16:54:56] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13860364457796060864.kers
Total runtime 1 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 149 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
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 105 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 264ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 264ms
[2026-05-24 16:54:57] [INFO ] Invariant cache hit.
[2026-05-24 16:54:57] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 16:54:57] [INFO ] Invariant cache hit.
[2026-05-24 16:54:57] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-24 16:54:57] [INFO ] Redundant transitions in 15 ms returned []
Skipped dead transition search.
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 369 ms. Remains : 8/12 places, 8/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 496 ms.
Stack based approach found an accepted trace after 38 steps with 0 reset with depth 39 and stack size 35 in 5 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-03 finished in 1058 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(((F(p1) U !p2)&&p0))||X(p3)))))'
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 3 ms. Remains 8 /12 variables (removed 4) and now considering 8/10 (removed 2) transitions.
Skipped dead transition search.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12874719501366853288.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10732621946766241201.kers'
[2026-05-24 16:54:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12874719501366853288.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10732621946766241201.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 8 rows 4 cols 13 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 16:54:57] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10732621946766241201.kers
Total runtime 0 ms.
[2026-05-24 16:54:58] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 16:54:58] [INFO ] Invariant cache hit.
[2026-05-24 16:54:58] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-24 16:54:58] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
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 71 ms. Remains : 8/12 places, 8/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(((F(p1) U !p2)&&p0))||X(p3)))))'
Stuttering acceptance computed with spot in 201 ms :[(OR (AND (NOT p0) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND p2 (NOT p3))]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-04
Product exploration explored 100000 steps with 2191 reset in 492 ms.
Stack based approach found an accepted trace after 43 steps with 1 reset with depth 11 and stack size 11 in 1 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-04 finished in 805 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!p0)))'
Support contains 2 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17023766366557492010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8604220497738214100.kers'
[2026-05-24 16:54:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17023766366557492010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8604220497738214100.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 10 rows 6 cols 17 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 16:54:58] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8604220497738214100.kers
Total runtime 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 155 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
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 176 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 348ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 349ms
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 446 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-05
Product exploration explored 100000 steps with 2215 reset in 126 ms.
Stack based approach found an accepted trace after 124 steps with 4 reset with depth 13 and stack size 13 in 0 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-05 finished in 709 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((!p0&&X((X(p2)&&p1))))))'
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.
Skipped dead transition search.
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X((X(p2)&&p1))))))'
Stuttering acceptance computed with spot in 223 ms :[true, (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-06 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(F(p0))||G((!p1&&(p2||G(p3))))))))'
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 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 16:54:59] [INFO ] Invariant cache hit.
[2026-05-24 16:54:59] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(F(p0))||G((p1&&(p2||G(p3))))))))'
Stuttering acceptance computed with spot in 183 ms :[(OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 299 ms.
Product exploration explored 100000 steps with 33333 reset in 404 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 13 factoid took 22 ms. Proved property starting from automaton with 4 states, 8 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 30 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-07 finished in 1045 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(X(X(!p0))) U (X(X(X(G(!p0))))||(X(X(X(!p0)))&&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.
Skipped dead transition search.
[2026-05-24 16:55:00] [INFO ] Invariant cache hit.
[2026-05-24 16:55:00] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 16:55:00] [INFO ] Invariant cache hit.
[2026-05-24 16:55:00] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(X(X(!p0))) U (X(X(X(G(!p0))))||(X(X(X(!p0)))&&p1)))))))'
Stuttering acceptance computed with spot in 338 ms :[p0, p0, p0, p0, p0, p0, p0, true]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-08
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-08 finished in 492 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15136392182299026822.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1550312439468257793.kers'
[2026-05-24 16:55:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15136392182299026822.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1550312439468257793.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 16:55:01] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1550312439468257793.kers
Total runtime 0 ms.
[2026-05-24 16:55:01] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 16:55:01] [INFO ] Invariant cache hit.
[2026-05-24 16:55:01] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-24 16:55:01] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-24 16:55:01] [INFO ] Invariant cache hit.
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 41 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
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 34 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 76ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 76ms
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 135 ms. Remains : 2/12 places, 2/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 302 ms.
Product exploration explored 100000 steps with 50000 reset in 194 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 15 ms. Proved property starting from automaton with 1 states, 1 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 17 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-09 finished in 708 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1&&((!p2 U p0) U X(!p1)))) U p3))'
Support contains 8 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12472878818250529855.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12848907498093686176.kers'
[2026-05-24 16:55:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12472878818250529855.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12848907498093686176.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 10 rows 6 cols 17 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 16:55:02] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12848907498093686176.kers
Total runtime 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 144 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
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 127 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 279ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 280ms
[2026-05-24 16:55:02] [INFO ] Invariant cache hit.
[2026-05-24 16:55:02] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 16:55:02] [INFO ] Invariant cache hit.
[2026-05-24 16:55:02] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 382 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (((!p1 U p0) U X(!p2))&&p2)) U p3))'
Stuttering acceptance computed with spot in 323 ms :[(NOT p3), true, p2, true, (AND (NOT p0) p2), p2, (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-10
Entered a terminal (fully accepting) state of product in 7446 steps with 488 reset in 36 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-10 finished in 789 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/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 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 6 transition count 7
Applied a total of 9 rules in 2 ms. Remains 6 /12 variables (removed 6) and now considering 7/10 (removed 3) transitions.
Running 3 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14109567502066879226.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8887330071636096577.kers'
[2026-05-24 16:55:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14109567502066879226.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8887330071636096577.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 7 rows 3 cols 11 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 16:55:02] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8887330071636096577.kers
Total runtime 0 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 12 constraints, problems are : Problem set: 0 solved, 3 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 201ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 202ms
[2026-05-24 16:55:03] [INFO ] Invariant cache hit.
[2026-05-24 16:55:03] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-24 16:55:03] [INFO ] Invariant cache hit.
[2026-05-24 16:55:03] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2026-05-24 16:55:03] [INFO ] Redundant transitions in 14 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/12 places, 7/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 285 ms. Remains : 6/12 places, 7/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-11
Product exploration explored 100000 steps with 10162 reset in 92 ms.
Stack based approach found an accepted trace after 194 steps with 16 reset with depth 12 and stack size 12 in 0 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-11 finished in 554 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/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 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 6 transition count 7
Applied a total of 9 rules in 3 ms. Remains 6 /12 variables (removed 6) and now considering 7/10 (removed 3) transitions.
Skipped dead transition search.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10416787049010519673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11861612148144669663.kers'
[2026-05-24 16:55:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10416787049010519673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11861612148144669663.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 7 rows 3 cols 11 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 16:55:03] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11861612148144669663.kers
Total runtime 0 ms.
[2026-05-24 16:55:03] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 16:55:03] [INFO ] Invariant cache hit.
[2026-05-24 16:55:03] [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.
[2026-05-24 16:55:03] [INFO ] Redundant transitions in 20 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/12 places, 7/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86 ms. Remains : 6/12 places, 7/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 88 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-12 finished in 256 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(X(p0)&&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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8888033777336643657.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16660267874128553298.kers'
[2026-05-24 16:55:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8888033777336643657.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16660267874128553298.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 10 rows 6 cols 17 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 16:55:03] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16660267874128553298.kers
Total runtime 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 169 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
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 173 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 351ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 351ms
[2026-05-24 16:55:04] [INFO ] Invariant cache hit.
[2026-05-24 16:55:04] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 16:55:04] [INFO ] Invariant cache hit.
[2026-05-24 16:55:04] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 426 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(X(p0)&&p1))))'
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), true, (NOT p0), (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 70 ms.
Product exploration explored 100000 steps with 50000 reset in 77 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 17 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-13 finished in 773 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(p1)) U (X(p2)&&F(p1)))))'
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 8 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 16:55:04] [INFO ] Invariant cache hit.
[2026-05-24 16:55:04] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 16:55:04] [INFO ] Invariant cache hit.
[2026-05-24 16:55:04] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U G(p1)) U (X(p2)&&F(p1)))))'
Stuttering acceptance computed with spot in 406 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-14
Product exploration explored 100000 steps with 33333 reset in 134 ms.
Product exploration explored 100000 steps with 33333 reset in 179 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 15 factoid took 14 ms. Proved property starting from automaton with 10 states, 25 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 16 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-14 finished in 862 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)||X((G(!p2)&&p1))))'
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.
Skipped dead transition search.
[2026-05-24 16:55:05] [INFO ] Invariant cache hit.
[2026-05-24 16:55:05] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 16:55:05] [INFO ] Invariant cache hit.
[2026-05-24 16:55:05] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 67 ms. Remains : 12/12 places, 10/10 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X((G(p2)&&p1))))'
Stuttering acceptance computed with spot in 173 ms :[(NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DrinkVendingMachine-COL-10-LTLFireability-15
Product exploration explored 100000 steps with 40495 reset in 151 ms.
Stack based approach found an accepted trace after 3185 steps with 1291 reset with depth 5 and stack size 5 in 6 ms.
FORMULA DrinkVendingMachine-COL-10-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-10-LTLFireability-15 finished in 430 ms.
All properties solved by simple procedures.
Total runtime 13726 ms.

BK_STOP 1779641705813

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-10"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DrinkVendingMachine-COL-10, 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 r114-smll-177955740400076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-COL-10.tgz
mv DrinkVendingMachine-COL-10 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 ;