fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r114-smll-177955740400106
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DrinkVendingMachine-COL-76

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
568.871 152142.00 162403.00 753.80 FFTTTTFTTFTTTFTF 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-177955740400106.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-76, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400106
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 8.3K Mar 7 09:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 09:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 09:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 4.3K Mar 15 09:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 11K Mar 7 09:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 7 09:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 7 09:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K 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 42K 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-76-CTLFireability-2024-00
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-01
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-02
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-03
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-04
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-05
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-06
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-07
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-08
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-09
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-10
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-11
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-12
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-13
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-14
FORMULA_NAME DrinkVendingMachine-COL-76-CTLFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779652208993

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DrinkVendingMachine-COL-76
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
CTLFireability COL
Running Version 202604301425
[2026-05-24 19:50:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 19:50:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 19:50:11] [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 19:50:12] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 19:50:13] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1319 ms
[2026-05-24 19:50:13] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 912 PT places and 1.0277329672E10 transition bindings in 37 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 30 ms.
[2026-05-24 19:50:13] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 28 arcs in 10 ms.
[2026-05-24 19:50:13] [INFO ] Skeletonized 4 HLPN properties in 3 ms. Removed 12 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-00 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 466 steps (0 resets) in 12 ms. (35 steps per ms) remains 0/2 properties
[2026-05-24 19:50:13] [INFO ] Flatten gal took : 40 ms
[2026-05-24 19:50:13] [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:304) in guard (AND (GT $x 227) (LEQ $x 303))introduces in Quality(304) partition with 2 elements
Transition elaborate2 : guard parameter $x(Quality:304) in guard (AND (GT $x 151) (LEQ $x 227))introduces in Quality(304) partition with 2 elements
Transition elaborate1 : guard parameter $x(Quality:304) in guard (AND (GT $x 75) (LEQ $x 151))introduces in Quality(304) partition with 2 elements
Transition elaborate0 : guard parameter $x(Quality:304) in guard (LEQ $x 75)introduces in Quality(304) 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 304 reducing to 4 values.
For transition elaborate3:(AND (GT $x 227) (LEQ $x 303)) -> (EQ $x 3)
For transition elaborate2:(AND (GT $x 151) (LEQ $x 227)) -> (EQ $x 2)
For transition elaborate1:(AND (GT $x 75) (LEQ $x 151)) -> (EQ $x 1)
For transition elaborate0:(LEQ $x 75) -> (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 76
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 76
[2026-05-24 19:50:13] [INFO ] Unfolded HLPN to a Petri net with 12 places and 10 transitions 34 arcs in 67 ms.
[2026-05-24 19:50:13] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 4 formulas.
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-12 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 8 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-3872587348224390401.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2520764482838966128.kers'
[2026-05-24 19:50:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3872587348224390401.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2520764482838966128.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 19:50:14] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2520764482838966128.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 657 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 283 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 1072ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 1100ms
[2026-05-24 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1314 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 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 12/12 places, 10/10 transitions.
Support contains 12 out of 12 places after structural reductions.
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 8 ms
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 8 ms
[2026-05-24 19:50:15] [INFO ] Input system was already deterministic with 10 transitions.
Reduction of identical properties reduced properties to check from 20 to 16
RANDOM walk for 40140 steps (8 resets) in 265 ms. (150 steps per ms) remains 1/16 properties
BEST_FIRST walk for 40002 steps (8 resets) in 422 ms. (94 steps per ms) remains 1/1 properties
[2026-05-24 19:50:15] [INFO ] Invariant cache hit.
Problem AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 3/22 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 0/6 constraints, State Equation: 0/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 5 ms
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 6 ms
[2026-05-24 19:50:15] [INFO ] Input system was already deterministic with 10 transitions.
Computed a total of 0 stabilizing places and 0 stable 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 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 19:50:15] [INFO ] Invariant cache hit.
[2026-05-24 19:50:15] [INFO ] Implicit Places using invariants and state equation in 44 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.
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:15] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 4 ms
[2026-05-24 19:50:15] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:15] [INFO ] Time to serialize gal into /tmp/CTLFireability13868908853966117347.gal : 2 ms
[2026-05-24 19:50:15] [INFO ] Time to serialize properties into /tmp/CTLFireability1017798529886421801.ctl : 2 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13868908853966117347.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1017798529886421801.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.7617,238712,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: AG((AF(AX((((optionSlots<1)||(wait_2<1))||((theProducts<1)||(theOptions<2))))) * (EG((((wait_1<1)||(theProducts<1))||(theOptions<1))) + E...196
=> equivalent forward existential formula: ([FwdG(FwdU(Init,TRUE),!(!(EX(!((((optionSlots<1)||(wait_2<1))||((theProducts<1)||(theOptions<2))))))))] = FALSE...296
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,14.3481,238748,1,0,12,1.34681e+06,29,3,1231,1.74246e+06,15
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 4 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Skipped dead transition search.
[2026-05-24 19:50:30] [INFO ] Invariant cache hit.
[2026-05-24 19:50:30] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 19:50:30] [INFO ] Invariant cache hit.
[2026-05-24 19:50:30] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2026-05-24 19:50:30] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_CTL mode , in 1 iterations and 97 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:50:30] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:30] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:30] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:50:30] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:30] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:30] [INFO ] Time to serialize gal into /tmp/CTLFireability7632357073724404869.gal : 1 ms
[2026-05-24 19:50:30] [INFO ] Time to serialize properties into /tmp/CTLFireability4993611474041107624.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7632357073724404869.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4993611474041107624.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.5209,238932,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: EF(((EF((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1)))) * (wait_1>=1)) * ((theProducts>=1)&&(theOptions>=1))))
=> equivalent forward existential formula: [(FwdU(((FwdU(Init,TRUE) * ((theProducts>=1)&&(theOptions>=1))) * (wait_1>=1)),TRUE) * (((ready_0>=1)||(ready_1>...201
(forward)formula 0,1,11.5378,238936,1,0,10,1.34681e+06,11,3,1023,1.74246e+06,5
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

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 19:50:42] [INFO ] Invariant cache hit.
[2026-05-24 19:50:42] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 19:50:42] [INFO ] Invariant cache hit.
[2026-05-24 19:50:42] [INFO ] Implicit Places using invariants and state equation in 31 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 69 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:50:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:42] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:50:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:42] [INFO ] Time to serialize gal into /tmp/CTLFireability12573217107861017044.gal : 0 ms
[2026-05-24 19:50:42] [INFO ] Time to serialize properties into /tmp/CTLFireability5203551606856367334.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12573217107861017044.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5203551606856367334.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.5909,239092,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: (E(AF((!(((AG((((wait_3>=1)&&(theProducts>=1))&&(theOptions>=3))) + (((wait_3>=1)&&(theProducts>=1))&&(theOptions>=3))) + (((wait_2>=1)&&...291
=> equivalent forward existential formula: ([(EY((Init * E(!(EG(!((!(((!(E(TRUE U !((((wait_3>=1)&&(theProducts>=1))&&(theOptions>=3))))) + (((wait_3>=1)&&...635
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
(forward)formula 0,1,11.9419,239100,1,0,21,1.34681e+06,34,12,1239,1.74246e+06,21
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

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 19:50:54] [INFO ] Invariant cache hit.
[2026-05-24 19:50:54] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-24 19:50:54] [INFO ] Invariant cache hit.
[2026-05-24 19:50:54] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 53 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:50:54] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:54] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:50:54] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:50:54] [INFO ] Flatten gal took : 4 ms
[2026-05-24 19:50:54] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:50:54] [INFO ] Time to serialize gal into /tmp/CTLFireability14043745802544111929.gal : 1 ms
[2026-05-24 19:50:54] [INFO ] Time to serialize properties into /tmp/CTLFireability10815829709246597035.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14043745802544111929.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10815829709246597035.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.4537,239164,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: E(((wait_0>=1)&&(theProducts>=1)) U (EX((((EG((((productSlots>=1)&&(wait_2>=1))&&((theProducts>=1)&&(theOptions>=2)))) * ((EG((((ready_0>...513
=> equivalent forward existential formula: ([(((FwdU(Init,((wait_0>=1)&&(theProducts>=1))) * EX((((EG((((productSlots>=1)&&(wait_2>=1))&&((theProducts>=1)&...1085
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 6/0/4
Hit Full ! (commute/partial/dont) 4/5/6
(forward)formula 0,1,20.266,281604,1,0,25,1.75159e+06,49,10,1279,1.97602e+06,23
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

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 19:51:14] [INFO ] Invariant cache hit.
[2026-05-24 19:51:14] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 19:51:14] [INFO ] Invariant cache hit.
[2026-05-24 19:51:14] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 72 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:51:14] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:14] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:14] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:51:14] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:14] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:14] [INFO ] Time to serialize gal into /tmp/CTLFireability239494257284680855.gal : 0 ms
[2026-05-24 19:51:14] [INFO ] Time to serialize properties into /tmp/CTLFireability12925170517773657149.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability239494257284680855.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12925170517773657149.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,13.4655,239368,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: AX(A(A(!(EF((optionSlots>=1))) U (optionSlots>=1)) U (optionSlots>=1)))
=> equivalent forward existential formula: (([(FwdU((FwdU((FwdU(EY(Init),!((optionSlots>=1))) * !((optionSlots>=1))),!((optionSlots>=1))) * !((optionSlots>...341
Hit Full ! (commute/partial/dont) 6/0/4
(forward)formula 0,0,13.5563,239368,1,0,9,1.34681e+06,20,1,1224,1.74246e+06,9
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
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 19:51:28] [INFO ] Invariant cache hit.
[2026-05-24 19:51:28] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 19:51:28] [INFO ] Invariant cache hit.
[2026-05-24 19:51:28] [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.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 62 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:51:28] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:28] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:28] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:51:28] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:28] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:28] [INFO ] Time to serialize gal into /tmp/CTLFireability3655197167127258967.gal : 0 ms
[2026-05-24 19:51:28] [INFO ] Time to serialize properties into /tmp/CTLFireability14782429669090635248.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3655197167127258967.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14782429669090635248.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,12.1947,238500,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: A(((wait_0>=1)&&(theProducts>=1)) U (EX(EF((E((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1))) U ((wait_0>=1)&&(theProducts>=...519
=> equivalent forward existential formula: [((Init * !(EG(!((EX(E(TRUE U (E((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1))) U ((wait_0>=1)&&(t...1560
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 5/0/5
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 2/0/8
Using saturation style SCC detection
(forward)formula 0,1,20.3038,238504,1,0,180,1.34681e+06,47,166,1278,1.74246e+06,181
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL 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 19 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-7851419750459174664.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12218131972553397901.kers'
[2026-05-24 19:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7851419750459174664.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12218131972553397901.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 19:51:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12218131972553397901.kers
Total runtime 0 ms.
[2026-05-24 19:51:48] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 19:51:48] [INFO ] Invariant cache hit.
[2026-05-24 19:51:48] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-24 19:51:48] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-24 19:51:48] [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 35 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 31 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 71ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 71ms
Starting structural reductions in SI_CTL mode, iteration 1 : 2/12 places, 2/10 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 143 ms. Remains : 2/12 places, 2/10 transitions.
[2026-05-24 19:51:48] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:48] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:51:48] [INFO ] Input system was already deterministic with 2 transitions.
[2026-05-24 19:51:48] [INFO ] Flatten gal took : 0 ms
[2026-05-24 19:51:48] [INFO ] Flatten gal took : 0 ms
[2026-05-24 19:51:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality403277089744528163.gal : 0 ms
[2026-05-24 19:51:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5508352211063543302.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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality403277089744528163.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5508352211063543302.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 4 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/1 properties
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL 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-35846960288422681.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-832162742527607092.kers'
[2026-05-24 19:51:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-35846960288422681.kers, --Pflows, --basisKERS=/tmp/petrispot-output-832162742527607092.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 19:51:48] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-832162742527607092.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 168 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 191 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 378ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 379ms
[2026-05-24 19:51:49] [INFO ] Invariant cache hit.
[2026-05-24 19:51:49] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 19:51:49] [INFO ] Invariant cache hit.
[2026-05-24 19:51:49] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
[2026-05-24 19:51:49] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_CTL mode , in 1 iterations and 496 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:51:49] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:51:49] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:49] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:51:49] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:49] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:51:49] [INFO ] Time to serialize gal into /tmp/CTLFireability11450962164508351099.gal : 1 ms
[2026-05-24 19:51:49] [INFO ] Time to serialize properties into /tmp/CTLFireability8092641631098991678.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11450962164508351099.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8092641631098991678.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.7712,239384,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: !(E(AF(AG((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1))))) U !(E((E(((wait_0>=1)&&(theProducts>=1)) U (((ready_0>=1)||(read...340
=> equivalent forward existential formula: [(FwdU(Init,!(EG(!(!(E(TRUE U !((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1)))))))))) * !(E((E(((w...400
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 4/5/6
(forward)formula 0,1,11.8452,239384,1,0,15,1.34681e+06,36,7,1264,1.74246e+06,22
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
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 19:52:01] [INFO ] Invariant cache hit.
[2026-05-24 19:52:01] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 19:52:01] [INFO ] Invariant cache hit.
[2026-05-24 19:52:01] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:52:01] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:52:01] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:01] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:52:01] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:01] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:01] [INFO ] Time to serialize gal into /tmp/CTLFireability14754473554952397696.gal : 0 ms
[2026-05-24 19:52:01] [INFO ] Time to serialize properties into /tmp/CTLFireability13910416492603259801.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14754473554952397696.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13910416492603259801.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.4479,238892,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: EX(AG((((wait_2>=1)&&(theProducts>=1))&&(theOptions>=2))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((((wait_2>=1)&&(theProducts>=1))&&(theOptions>=2))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,11.4892,238892,1,0,6,1.34681e+06,15,0,1201,1.74246e+06,5
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
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 19:52:12] [INFO ] Invariant cache hit.
[2026-05-24 19:52:12] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-24 19:52:12] [INFO ] Invariant cache hit.
[2026-05-24 19:52:13] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 50 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:52:13] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:13] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:13] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:52:13] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:13] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:13] [INFO ] Time to serialize gal into /tmp/CTLFireability9754335984496335629.gal : 1 ms
[2026-05-24 19:52:13] [INFO ] Time to serialize properties into /tmp/CTLFireability17188290063171512945.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9754335984496335629.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17188290063171512945.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,11.6574,239112,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: EF(EX(((EF((((wait_1>=1)&&(theProducts>=1))&&(theOptions>=1))) + (wait_3<1)) + ((theProducts<1)||(theOptions<3)))))
=> equivalent forward existential formula: (([(FwdU(EY(FwdU(Init,TRUE)),TRUE) * (((wait_1>=1)&&(theProducts>=1))&&(theOptions>=1)))] != FALSE + [(EY(FwdU(I...262
(forward)formula 0,1,11.6662,239112,1,0,7,1.34681e+06,9,1,1025,1.74246e+06,4
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
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 19:52:24] [INFO ] Invariant cache hit.
[2026-05-24 19:52:24] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 19:52:24] [INFO ] Invariant cache hit.
[2026-05-24 19:52:24] [INFO ] Implicit Places using invariants and state equation in 32 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 74 ms. Remains : 12/12 places, 10/10 transitions.
[2026-05-24 19:52:24] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:24] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:52:24] [INFO ] Input system was already deterministic with 10 transitions.
[2026-05-24 19:52:24] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:24] [INFO ] Flatten gal took : 1 ms
[2026-05-24 19:52:24] [INFO ] Time to serialize gal into /tmp/CTLFireability14867622043749563195.gal : 1 ms
[2026-05-24 19:52:24] [INFO ] Time to serialize properties into /tmp/CTLFireability17645482239941804232.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14867622043749563195.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17645482239941804232.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.08422e+11,12.2195,238324,2,469,5,1.34681e+06,6,0,69,1.74246e+06,0


Converting to forward existential form...Done !
original formula: EG(EX(((AF(!(A((((ready_0>=1)||(ready_1>=1))||((ready_2>=1)||(ready_3>=1))) U !((((wait_1<1)||(theProducts<1))||(theOptions<1)))))) + (wa...202
=> equivalent forward existential formula: [FwdG(Init,EX(((!(EG(!(!(!((E(!(!((((wait_1<1)||(theProducts<1))||(theOptions<1)))) U (!((((ready_0>=1)||(ready_...380
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 3/0/7
Using saturation style SCC detection
(forward)formula 0,0,16.1656,238332,1,0,13,1.34681e+06,34,6,1252,1.74246e+06,13
FORMULA DrinkVendingMachine-COL-76-CTLFireability-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

[2026-05-24 19:52:41] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:52:41] [INFO ] Flatten gal took : 1 ms
Total runtime 149542 ms.

BK_STOP 1779652361135

--------------------
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
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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-76"
export BK_EXAMINATION="CTLFireability"
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-76, examination is CTLFireability"
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-177955740400106"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-COL-76.tgz
mv DrinkVendingMachine-COL-76 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;