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-177955740400100.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DrinkVendingMachine-COL-48, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400100
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 7.8K Mar 7 09:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 09:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 09:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 7 09:48 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 09:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 09:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Mar 7 09:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 7 09:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 09:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 09:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:42 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 34K 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-48-LTLFireability-00
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-01
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-02
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-03
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-04
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-05
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-06
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-07
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-08
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-09
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-10
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-11
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-12
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-13
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-14
FORMULA_NAME DrinkVendingMachine-COL-48-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779648456804

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-48
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-24 18:47:39] [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 18:47:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 18:47:39] [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 18:47:40] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 18:47:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1239 ms
[2026-05-24 18:47:40] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 576 PT places and 1.040901408E9 transition bindings in 53 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
[2026-05-24 18:47:41] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 28 arcs in 10 ms.
[2026-05-24 18:47:41] [INFO ] Skeletonized 3 HLPN properties in 3 ms. Removed 13 properties that had guard overlaps.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 1 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 4 steps (0 resets) in 9 ms. (0 steps per ms) remains 0/1 properties
[2026-05-24 18:47:41] [INFO ] Flatten gal took : 30 ms
[2026-05-24 18:47:41] [INFO ] Flatten gal took : 4 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Quality
Symmetric sort wr.t. initial detected :Quality
Transition elaborate3 : guard parameter $x(Quality:192) in guard (AND (GT $x 143) (LEQ $x 191))introduces in Quality(192) partition with 2 elements
Transition elaborate2 : guard parameter $x(Quality:192) in guard (AND (GT $x 95) (LEQ $x 143))introduces in Quality(192) partition with 2 elements
Transition elaborate1 : guard parameter $x(Quality:192) in guard (AND (GT $x 47) (LEQ $x 95))introduces in Quality(192) partition with 2 elements
Transition elaborate0 : guard parameter $x(Quality:192) in guard (LEQ $x 47)introduces in Quality(192) 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 192 reducing to 4 values.
For transition elaborate3:(AND (GT $x 143) (LEQ $x 191)) -> (EQ $x 3)
For transition elaborate2:(AND (GT $x 95) (LEQ $x 143)) -> (EQ $x 2)
For transition elaborate1:(AND (GT $x 47) (LEQ $x 95)) -> (EQ $x 1)
For transition elaborate0:(LEQ $x 47) -> (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 48
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 48
[2026-05-24 18:47:41] [INFO ] Unfolded HLPN to a Petri net with 12 places and 10 transitions 34 arcs in 59 ms.
[2026-05-24 18:47:41] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-15 TRUE 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 10 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-14151472994484536457.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15914533576351093297.kers'
[2026-05-24 18:47:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14151472994484536457.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15914533576351093297.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 18:47:41] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15914533576351093297.kers
Total runtime 1 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 438 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 268 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 793ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 812ms
[2026-05-24 18:47:42] [INFO ] Invariant cache hit.
[2026-05-24 18:47:42] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 18:47:42] [INFO ] Invariant cache hit.
[2026-05-24 18:47:42] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1034 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 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:42] [INFO ] Invariant cache hit.
[2026-05-24 18:47:42] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 18:47:42] [INFO ] Invariant cache hit.
[2026-05-24 18:47:42] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 90 ms. Remains : 12/12 places, 10/10 transitions.
Support contains 12 out of 12 places after structural reductions.
[2026-05-24 18:47:42] [INFO ] Flatten gal took : 15 ms
[2026-05-24 18:47:42] [INFO ] Flatten gal took : 7 ms
[2026-05-24 18:47:43] [INFO ] Input system was already deterministic with 10 transitions.
Reduction of identical properties reduced properties to check from 14 to 12
RANDOM walk for 12268 steps (2 resets) in 137 ms. (88 steps per ms) remains 0/12 properties
FORMULA DrinkVendingMachine-COL-48-LTLFireability-11 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_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1) U X(!p2))))'
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 2 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:43] [INFO ] Invariant cache hit.
[2026-05-24 18:47:43] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-24 18:47:43] [INFO ] Invariant cache hit.
[2026-05-24 18:47:43] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 98 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 p1) U X(!p2))))'
Stuttering acceptance computed with spot in 527 ms :[p2, p2, p2, p2, (AND (NOT p1) p2), true, (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-00
Entered a terminal (fully accepting) state of product in 85 steps with 0 reset in 6 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-00 finished in 792 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 (p1 U X((!p2||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.
Skipped dead transition search.
[2026-05-24 18:47:44] [INFO ] Invariant cache hit.
[2026-05-24 18:47:44] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 18:47:44] [INFO ] Invariant cache hit.
[2026-05-24 18:47:44] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 85 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 (p1 U X((!p2||X(!p3))))))'
Stuttering acceptance computed with spot in 482 ms :[true, (AND p2 p3), (AND p2 p3), (AND p2 p3), (AND p3 p2), (AND p2 p3), (AND p2 p3), (AND p2 p3), p3]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-01 finished in 615 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(p0) U X((X(F(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 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:45] [INFO ] Invariant cache hit.
[2026-05-24 18:47:45] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 18:47:45] [INFO ] Invariant cache hit.
[2026-05-24 18:47:45] [INFO ] Implicit Places using invariants and state equation in 51 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' '!((G(p0) U X((X(F(p2))&&p1))))'
Stuttering acceptance computed with spot in 262 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p2), (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-02
Product exploration explored 100000 steps with 33333 reset in 326 ms.
Product exploration explored 100000 steps with 33333 reset in 271 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 10 factoid took 92 ms. Proved property starting from automaton with 6 states, 12 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 101 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-02 finished in 1125 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 U (p1||G(p0))))))'
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 17 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-7511078545878291898.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2126602180061975329.kers'
[2026-05-24 18:47:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7511078545878291898.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2126602180061975329.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 18:47:46] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2126602180061975329.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 147 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 103 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 261ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 262ms
[2026-05-24 18:47:46] [INFO ] Invariant cache hit.
[2026-05-24 18:47:46] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-24 18:47:46] [INFO ] Invariant cache hit.
[2026-05-24 18:47:46] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2026-05-24 18:47:46] [INFO ] Redundant transitions in 19 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((p0 U (G(p0)||p1)))))'
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-03
Product exploration explored 100000 steps with 479 reset in 147 ms.
Stack based approach found an accepted trace after 1045 steps with 4 reset with depth 213 and stack size 174 in 4 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-03 finished in 668 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)))'
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 2 ms. Remains 8 /12 variables (removed 4) and now considering 8/10 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16586184065094396688.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6844635228607190028.kers'
[2026-05-24 18:47:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16586184065094396688.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6844635228607190028.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 8 rows 4 cols 8 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 18:47:46] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6844635228607190028.kers
Total runtime 1 ms.
[2026-05-24 18:47:47] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 18:47:47] [INFO ] Invariant cache hit.
[2026-05-24 18:47:47] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2026-05-24 18:47:47] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-24 18:47:47] [INFO ] Invariant cache hit.
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 117 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 226ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 226ms
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 310 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(p0)))'
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-04
Product exploration explored 100000 steps with 2 reset in 122 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 1 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-04 finished in 552 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(p0)||G(((F(p1) U p2)||X(F(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.
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-10007275100118162378.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15097698069125490131.kers'
[2026-05-24 18:47:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10007275100118162378.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15097698069125490131.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 18:47:47] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15097698069125490131.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 135 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 140 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 283ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 283ms
[2026-05-24 18:47:47] [INFO ] Invariant cache hit.
[2026-05-24 18:47:47] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 18:47:47] [INFO ] Invariant cache hit.
[2026-05-24 18:47:47] [INFO ] Implicit Places using invariants and state equation in 42 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 363 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(p0)||G(((F(p1) U p2)||X(F(p3))))))))'
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 95 ms.
Product exploration explored 100000 steps with 33333 reset in 110 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 12 factoid took 13 ms. Proved property starting from automaton with 5 states, 11 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 14 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-05 finished in 877 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 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 1 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-1769858029771621748.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9748474818454309730.kers'
[2026-05-24 18:47:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1769858029771621748.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9748474818454309730.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 18:47:48] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9748474818454309730.kers
Total runtime 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 92 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 110 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 220ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 220ms
[2026-05-24 18:47:48] [INFO ] Invariant cache hit.
[2026-05-24 18:47:48] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-24 18:47:48] [INFO ] Invariant cache hit.
[2026-05-24 18:47:48] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-24 18:47:48] [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 287 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(p0)))'
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 173 ms.
Stack based approach found an accepted trace after 1 steps with 0 reset with depth 2 and stack size 2 in 1 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-06 finished in 537 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(p0))&&F((p1||G(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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11043053770581401245.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4401607311169669191.kers'
[2026-05-24 18:47:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11043053770581401245.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4401607311169669191.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 18:47:48] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4401607311169669191.kers
Total runtime 1 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 166 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 166 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 345ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 347ms
[2026-05-24 18:47:49] [INFO ] Invariant cache hit.
[2026-05-24 18:47:49] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 18:47:49] [INFO ] Invariant cache hit.
[2026-05-24 18:47:49] [INFO ] Implicit Places using invariants and state equation in 39 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 421 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(p0))&&F((p1||G(p2)))))'
Stuttering acceptance computed with spot in 176 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (NOT p0), true]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 148 ms.
Product exploration explored 100000 steps with 33333 reset in 180 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 10 factoid took 13 ms. Proved property starting from automaton with 5 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 14 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-07 finished in 983 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(p0)||X(F((G(p1)||(p0 U 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 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:49] [INFO ] Invariant cache hit.
[2026-05-24 18:47:49] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 18:47:49] [INFO ] Invariant cache hit.
[2026-05-24 18:47:50] [INFO ] Implicit Places using invariants and state equation in 36 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' '!((G(p0)||X(F((G(p1)||(p0 U p2))))))'
Stuttering acceptance computed with spot in 122 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 88 ms.
Product exploration explored 100000 steps with 50000 reset in 169 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 12 factoid took 13 ms. Proved property starting from automaton with 3 states, 6 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 15 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-08 finished in 495 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((p0 U p1))&&F((X((G(p2)&&p3)) U p4))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:50] [INFO ] Invariant cache hit.
[2026-05-24 18:47:50] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 18:47:50] [INFO ] Invariant cache hit.
[2026-05-24 18:47:50] [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.
[2026-05-24 18:47:50] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 74 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 U p1))&&F((X((G(p2)&&p3)) U p4))))'
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p1) (NOT p4)), true, (NOT p1), (NOT p1), (NOT p4)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-09
Entered a terminal (fully accepting) state of product in 84 steps with 0 reset in 1 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-09 finished in 303 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(!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.
Skipped dead transition search.
[2026-05-24 18:47:50] [INFO ] Invariant cache hit.
[2026-05-24 18:47:50] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 18:47:50] [INFO ] Invariant cache hit.
[2026-05-24 18:47:50] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 94 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(p1))))'
Stuttering acceptance computed with spot in 224 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-10 finished in 350 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)||X((X(X(F(p2)))||p1)))))'
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 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:51] [INFO ] Invariant cache hit.
[2026-05-24 18:47:51] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-24 18:47:51] [INFO ] Invariant cache hit.
[2026-05-24 18:47:51] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 89 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((F(p0)||X((X(X(F(p2)))||p1)))))'
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-12
Product exploration explored 100000 steps with 32078 reset in 187 ms.
Product exploration explored 100000 steps with 32122 reset in 386 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 85 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 5 to 3
RANDOM walk for 132 steps (0 resets) in 5 ms. (22 steps per ms) remains 0/3 properties
Knowledge based reduction with 5 factoid took 171 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2026-05-24 18:47:52] [INFO ] Invariant cache hit.
[2026-05-24 18:47:52] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 18:47:52] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 18:47:52] [INFO ] Computed and/alt/rep : 6/11/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 18:47:52] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1) (NOT p2))
Knowledge-based reduction took 561 ms.
Stuttering acceptance computed with spot in 190 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT 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 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:47:52] [INFO ] Invariant cache hit.
[2026-05-24 18:47:52] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 18:47:52] [INFO ] Invariant cache hit.
[2026-05-24 18:47:52] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 67 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.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 60 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 5 to 3
RANDOM walk for 164 steps (0 resets) in 5 ms. (27 steps per ms) remains 0/3 properties
Knowledge based reduction with 5 factoid took 118 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2026-05-24 18:47:53] [INFO ] Invariant cache hit.
[2026-05-24 18:47:53] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-24 18:47:53] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 18:47:53] [INFO ] Computed and/alt/rep : 6/11/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 18:47:53] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1) (NOT p2))
Knowledge-based reduction took 402 ms.
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 179 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 32130 reset in 111 ms.
Product exploration explored 100000 steps with 32181 reset in 125 ms.
Spot run failed in 143 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin4338388962285661692
[2026-05-24 18:47:54] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4338388962285661692
Running compilation step : cd /tmp/ltsmin4338388962285661692;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 411 ms.
Running link step : cd /tmp/ltsmin4338388962285661692;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 92 ms.
Running LTSmin : cd /tmp/ltsmin4338388962285661692;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased14245321337900301756.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
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.
Skipped dead transition search.
[2026-05-24 18:48:09] [INFO ] Invariant cache hit.
[2026-05-24 18:48:09] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 18:48:09] [INFO ] Invariant cache hit.
[2026-05-24 18:48:09] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 65 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.
Built C files in :
/tmp/ltsmin16924467677259620590
[2026-05-24 18:48:09] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16924467677259620590
Running compilation step : cd /tmp/ltsmin16924467677259620590;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 92 ms.
Running link step : cd /tmp/ltsmin16924467677259620590;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin16924467677259620590;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased1461855921405105340.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 18:48:24] [INFO ] Flatten gal took : 4 ms
[2026-05-24 18:48:24] [INFO ] Flatten gal took : 3 ms
[2026-05-24 18:48:24] [INFO ] Time to serialize gal into /tmp/LTL14588040631379681896.gal : 2 ms
[2026-05-24 18:48:24] [INFO ] Time to serialize properties into /tmp/LTL9042091064808893644.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14588040631379681896.gal' '-t' 'CGAL' '-hoa' '/tmp/aut7710809946947875563.hoa' '-atoms' '/tmp/LTL9042091064808893644.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL9042091064808893644.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut7710809946947875563.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
4 unique states visited
0 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
513 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,5.16561,90076,1,0,195,443136,29,2,895,565504,493
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-12 finished in 38798 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((!p0||G(!p1)||X(X(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 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 18:48:29] [INFO ] Invariant cache hit.
[2026-05-24 18:48:29] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 18:48:29] [INFO ] Invariant cache hit.
[2026-05-24 18:48:29] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 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||G(p1)||X(X(X(X(p2)))))))'
Stuttering acceptance computed with spot in 360 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-13
Product exploration explored 100000 steps with 13994 reset in 184 ms.
Product exploration explored 100000 steps with 14013 reset in 209 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 187 ms. Reduced automaton from 11 states, 18 edges and 3 AP (stutter sensitive) to 11 states, 18 edges and 3 AP (stutter sensitive).
RANDOM walk for 3822 steps (0 resets) in 15 ms. (238 steps per ms) remains 0/7 properties
Knowledge based reduction with 2 factoid took 308 ms. Reduced automaton from 11 states, 18 edges and 3 AP (stutter sensitive) to 11 states, 18 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 585 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Knowledge-based reduction took 1092 ms.
Stuttering acceptance computed with spot in 417 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
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.
Skipped dead transition search.
[2026-05-24 18:48:32] [INFO ] Invariant cache hit.
[2026-05-24 18:48:32] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 18:48:32] [INFO ] Invariant cache hit.
[2026-05-24 18:48:32] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 77 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 based reduction with 2 factoid took 129 ms. Reduced automaton from 11 states, 18 edges and 3 AP (stutter sensitive) to 11 states, 18 edges and 3 AP (stutter sensitive).
RANDOM walk for 2966 steps (0 resets) in 8 ms. (329 steps per ms) remains 0/7 properties
Knowledge based reduction with 2 factoid took 211 ms. Reduced automaton from 11 states, 18 edges and 3 AP (stutter sensitive) to 11 states, 18 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 419 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Knowledge-based reduction took 765 ms.
Stuttering acceptance computed with spot in 407 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Stuttering acceptance computed with spot in 410 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Product exploration explored 100000 steps with 14033 reset in 111 ms.
Product exploration explored 100000 steps with 13977 reset in 122 ms.
Spot run failed in 64 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin113336329681401281
[2026-05-24 18:48:34] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin113336329681401281
Running compilation step : cd /tmp/ltsmin113336329681401281;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 107 ms.
Running link step : cd /tmp/ltsmin113336329681401281;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin113336329681401281;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased18280821909439646765.hoa' '--buchi-type=spotba'
LTSmin run took 25 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-13 finished in 4558 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||G(!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.
Skipped dead transition search.
[2026-05-24 18:48:34] [INFO ] Invariant cache hit.
[2026-05-24 18:48:34] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-24 18:48:34] [INFO ] Invariant cache hit.
[2026-05-24 18:48:34] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 87 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)||p1)))'
Stuttering acceptance computed with spot in 134 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DrinkVendingMachine-COL-48-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 68 ms.
Product exploration explored 100000 steps with 50000 reset in 79 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 13 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 14 ms.
FORMULA DrinkVendingMachine-COL-48-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DrinkVendingMachine-COL-48-LTLFireability-14 finished in 409 ms.
All properties solved by simple procedures.
Total runtime 55469 ms.

BK_STOP 1779648514933

--------------------
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-48"
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-48, 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-177955740400100"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-COL-48.tgz
mv DrinkVendingMachine-COL-48 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 ;