fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695400234
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DiscoveryGPU-PT-06a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
415.336 38843.00 55378.00 118.80 FFTFTTFTTFFFFFFT 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.r098-tall-177955695400234.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DiscoveryGPU-PT-06a, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400234
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.0K Mar 6 16:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 16:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 16:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 6 16:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 6 16:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 16:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 16:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 22K 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 DiscoveryGPU-PT-06a-CTLFireability-2024-00
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-01
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-02
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-03
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-04
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-05
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-06
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-07
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-08
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-09
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-10
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-11
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-12
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-13
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-14
FORMULA_NAME DiscoveryGPU-PT-06a-CTLFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779594367019

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-06a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202604301425
[2026-05-24 03:46:08] [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 03:46:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 03:46:08] [INFO ] Load time of PNML (sax parser for PT used): 48 ms
[2026-05-24 03:46:08] [INFO ] Transformed 63 places.
[2026-05-24 03:46:08] [INFO ] Transformed 85 transitions.
[2026-05-24 03:46:08] [INFO ] Found NUPN structural information;
[2026-05-24 03:46:08] [INFO ] Parsed PT model containing 63 places and 85 transitions and 273 arcs in 134 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 11 ms.
Initial state reduction rules removed 1 formulas.
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 49 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 85/85 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 62 transition count 84
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 62 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 8 place count 62 transition count 78
Applied a total of 8 rules in 20 ms. Remains 62 /63 variables (removed 1) and now considering 78/85 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1546694509318799348.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8135834221495633691.kers'
[2026-05-24 03:46:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1546694509318799348.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8135834221495633691.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 78 rows 60 cols 150 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 03:46:08] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8135834221495633691.kers
Total runtime 1 ms.
[2026-05-24 03:46:08] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-24 03:46:08] [INFO ] Invariant cache hit.
[2026-05-24 03:46:08] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-24 03:46:08] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 301 ms to find 0 implicit places.
Running 77 sub problems to find dead transitions.
[2026-05-24 03:46:08] [INFO ] Invariant cache hit.
[2026-05-24 03:46:08] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 78/140 variables, 62/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 48/112 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 0/140 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 112 constraints, problems are : Problem set: 0 solved, 77 unsolved in 1947 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 62/62 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 78/140 variables, 62/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 48/112 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 77/189 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 0/140 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 189 constraints, problems are : Problem set: 0 solved, 77 unsolved in 1741 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 62/62 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3724ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 3737ms
Starting structural reductions in LTL mode, iteration 1 : 62/63 places, 78/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4091 ms. Remains : 62/63 places, 78/85 transitions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Applied a total of 0 rules in 1 ms. Remains 62 /62 variables (removed 0) and now considering 78/78 (removed 0) transitions.
[2026-05-24 03:46:12] [INFO ] Invariant cache hit.
[2026-05-24 03:46:12] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 03:46:12] [INFO ] Invariant cache hit.
[2026-05-24 03:46:12] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-24 03:46:12] [INFO ] Implicit Places using invariants and state equation in 49 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 : 62/62 places, 78/78 transitions.
Support contains 49 out of 62 places after structural reductions.
[2026-05-24 03:46:12] [INFO ] Flatten gal took : 22 ms
[2026-05-24 03:46:12] [INFO ] Flatten gal took : 8 ms
[2026-05-24 03:46:12] [INFO ] Input system was already deterministic with 78 transitions.
RANDOM walk for 40000 steps (613 resets) in 1145 ms. (34 steps per ms) remains 2/58 properties
BEST_FIRST walk for 40001 steps (8 resets) in 339 ms. (117 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (100 resets) in 109 ms. (363 steps per ms) remains 2/2 properties
[2026-05-24 03:46:13] [INFO ] Invariant cache hit.
[2026-05-24 03:46:13] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 11/18 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 7/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 30/48 variables, 14/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 11/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp42 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 22/70 variables, 9/50 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/70 variables, 7/57 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/70 variables, 0/57 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp27 is UNSAT
After SMT solving in domain Real declared 83/140 variables, and 64 constraints, problems are : Problem set: 2 solved, 0 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 37/62 constraints, ReadFeed: 25/48 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:13] [INFO ] Input system was already deterministic with 78 transitions.
Computed a total of 9 stabilizing places and 7 stable transitions
Graph (complete) has 171 edges and 62 vertex of which 57 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.3 ms
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 13 place count 54 transition count 70
Iterating global reduction 0 with 3 rules applied. Total rules applied 16 place count 54 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 53 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 53 transition count 69
Applied a total of 18 rules in 5 ms. Remains 53 /62 variables (removed 9) and now considering 69/78 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13033703695784025166.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15203244728845621034.kers'
[2026-05-24 03:46:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13033703695784025166.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15203244728845621034.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 69 rows 51 cols 136 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-24 03:46:13] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15203244728845621034.kers
Total runtime 0 ms.
[2026-05-24 03:46:13] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 03:46:13] [INFO ] Invariant cache hit.
[2026-05-24 03:46:13] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-24 03:46:13] [INFO ] Implicit Places using invariants and state equation in 53 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 83 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/62 places, 69/78 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 69/69 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 52/62 places, 69/78 transitions.
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:13] [INFO ] Input system was already deterministic with 69 transitions.
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:13] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:13] [INFO ] Time to serialize gal into /tmp/CTLFireability16435046616745629959.gal : 2 ms
[2026-05-24 03:46:13] [INFO ] Time to serialize properties into /tmp/CTLFireability11957371901106978282.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/CTLFireability16435046616745629959.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11957371901106978282.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,1.38698e+06,0.058223,6132,2,948,5,13432,6,0,270,9506,0


Converting to forward existential form...Done !
original formula: AX(EF((EX((AG(((p32==1)&&(p61==1))) * (p3==0))) * A(((EX(((p40==1)&&(p61==1))) * (p52==1)) * (p61==1)) U (E(((p25==1)&&(p61==1)) U ((p45=...186
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (EX((!(E(TRUE U !(((p32==1)&&(p61==1))))) * (p3==0))) * !((E(!((E(((p25==1)&&(p61==1)) U...398
Reverse transition relation is NOT exact ! Due to transitions t11, t14, t22, t25, t27, t54, t56, t59, t62, t63, t64, t65, t66, t67, t68, Intersection with...235
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,0,1.70396,65256,1,0,411,330880,178,279,1704,455231,468
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 57 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 1 place count 57 transition count 69
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 53 transition count 69
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 13 place count 49 transition count 65
Iterating global reduction 0 with 4 rules applied. Total rules applied 17 place count 49 transition count 65
Applied a total of 17 rules in 17 ms. Remains 49 /62 variables (removed 13) and now considering 65/78 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11432286001225682028.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9906663575796209802.kers'
[2026-05-24 03:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11432286001225682028.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9906663575796209802.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 65 rows 47 cols 127 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-24 03:46:15] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9906663575796209802.kers
Total runtime 0 ms.
[2026-05-24 03:46:15] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 03:46:15] [INFO ] Invariant cache hit.
[2026-05-24 03:46:15] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-24 03:46:15] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2026-05-24 03:46:15] [INFO ] Redundant transitions in 1 ms returned []
Running 64 sub problems to find dead transitions.
[2026-05-24 03:46:15] [INFO ] Invariant cache hit.
[2026-05-24 03:46:15] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 44/95 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 64 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 95 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1428 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 44/95 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 64/159 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 159 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1209 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2646ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 2647ms
Starting structural reductions in SI_CTL mode, iteration 1 : 49/62 places, 65/78 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2760 ms. Remains : 49/62 places, 65/78 transitions.
[2026-05-24 03:46:18] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:18] [INFO ] Flatten gal took : 4 ms
[2026-05-24 03:46:18] [INFO ] Input system was already deterministic with 65 transitions.
[2026-05-24 03:46:18] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:18] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:18] [INFO ] Time to serialize gal into /tmp/CTLFireability4898366630546520330.gal : 1 ms
[2026-05-24 03:46:18] [INFO ] Time to serialize properties into /tmp/CTLFireability180345033259592328.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/CTLFireability4898366630546520330.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability180345033259592328.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 -...282
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,593921,0.035347,5548,2,377,5,9033,6,0,253,5422,0


Converting to forward existential form...Done !
original formula: EF(AG(E((E(((p17==1)&&(p61==1)) U (p36==1)) + ((p53==1)&&(p62==1))) U (EF(((p55==1)&&(p61==1))) * (((p5==1)&&(p61==1))||(((p26==1)&&(p61=...174
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(E((E(((p17==1)&&(p61==1)) U (p36==1)) + ((p53==1)&&(p62==1))) U (E(TRUE U ((p55...244
Reverse transition relation is NOT exact ! Due to transitions t1, t18, t20, t23, t25, t55, t58, t59, t60, t61, t62, t63, t64, Intersection with reachable ...224
(forward)formula 0,0,0.299478,17520,1,0,158,78502,161,104,1519,84887,213
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 57 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 1 place count 57 transition count 69
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 53 transition count 69
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 14 place count 48 transition count 64
Iterating global reduction 0 with 5 rules applied. Total rules applied 19 place count 48 transition count 64
Applied a total of 19 rules in 6 ms. Remains 48 /62 variables (removed 14) and now considering 64/78 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16766994578645557098.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10173404720133939974.kers'
[2026-05-24 03:46:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16766994578645557098.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10173404720133939974.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 64 rows 46 cols 126 entries
Finished phase 1 with 46 SingleSign rule and 0 generalized
[2026-05-24 03:46:18] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10173404720133939974.kers
Total runtime 0 ms.
[2026-05-24 03:46:18] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 03:46:18] [INFO ] Invariant cache hit.
[2026-05-24 03:46:18] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:18] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
[2026-05-24 03:46:18] [INFO ] Redundant transitions in 1 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-24 03:46:18] [INFO ] Invariant cache hit.
[2026-05-24 03:46:18] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 64/112 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 43/93 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (OVERLAPS) 0/112 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 112/112 variables, and 93 constraints, problems are : Problem set: 0 solved, 63 unsolved in 1162 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 48/48 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 64/112 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 43/93 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 63/156 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/112 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 0/112 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 112/112 variables, and 156 constraints, problems are : Problem set: 0 solved, 63 unsolved in 1185 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 48/48 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2356ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 2357ms
Starting structural reductions in SI_CTL mode, iteration 1 : 48/62 places, 64/78 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2474 ms. Remains : 48/62 places, 64/78 transitions.
[2026-05-24 03:46:20] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:20] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:20] [INFO ] Input system was already deterministic with 64 transitions.
[2026-05-24 03:46:20] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:20] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:20] [INFO ] Time to serialize gal into /tmp/CTLFireability4332240306104438951.gal : 1 ms
[2026-05-24 03:46:20] [INFO ] Time to serialize properties into /tmp/CTLFireability7347739103554033936.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/CTLFireability4332240306104438951.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7347739103554033936.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,571393,0.042485,5788,2,625,5,10666,6,0,248,7331,0


Converting to forward existential form...Done !
original formula: EF((AF((p33==1)) * (EF((((p58==1)&&(p3==1))&&(p62==1))) + (((p6==1)&&(p61==1))&&(p59==1)))))
=> equivalent forward existential formula: ([(FwdU((FwdU(Init,TRUE) * !(EG(!((p33==1))))),TRUE) * (((p58==1)&&(p3==1))&&(p62==1)))] != FALSE + [((FwdU(Init...229
Reverse transition relation is NOT exact ! Due to transitions t5, t12, t16, t20, t23, t25, t55, t58, t59, t60, t61, t62, t63, Intersection with reachable ...224
(forward)formula 0,1,0.543296,25204,1,0,312,118438,153,175,1538,157098,385
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 57 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (complete) has 60 edges and 54 vertex of which 42 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Graph (trivial) has 46 edges and 42 vertex of which 24 / 42 are part of one of the 12 SCC in 2 ms
Free SCC test removed 12 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 30 transition count 55
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 27 place count 25 transition count 43
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 32 place count 20 transition count 33
Iterating global reduction 2 with 5 rules applied. Total rules applied 37 place count 20 transition count 33
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 41 place count 16 transition count 25
Iterating global reduction 2 with 4 rules applied. Total rules applied 45 place count 16 transition count 25
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 49 place count 12 transition count 17
Iterating global reduction 2 with 4 rules applied. Total rules applied 53 place count 12 transition count 17
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 57 place count 8 transition count 13
Iterating global reduction 2 with 4 rules applied. Total rules applied 61 place count 8 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 63 place count 8 transition count 11
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 64 place count 8 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 65 place count 7 transition count 10
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 67 place count 5 transition count 8
Applied a total of 67 rules in 15 ms. Remains 5 /62 variables (removed 57) and now considering 8/78 (removed 70) transitions.
[2026-05-24 03:46:21] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-162422630071450215.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3841775261793453144.kers'
[2026-05-24 03:46:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-162422630071450215.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3841775261793453144.kers]
Normalized transition count is 5 out of 6 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 5 cols 9 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 03:46:21] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3841775261793453144.kers
Total runtime 0 ms.
[2026-05-24 03:46:21] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-24 03:46:21] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 03:46:21] [INFO ] Invariant cache hit.
[2026-05-24 03:46:21] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-24 03:46:21] [INFO ] Redundant transitions in 1 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-24 03:46:21] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 03:46:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2/10 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 4 unsolved in 48 ms.
Refiners :[State Equation: 5/5 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2/10 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 9 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40 ms.
Refiners :[State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 92ms
Starting structural reductions in SI_CTL mode, iteration 1 : 5/62 places, 8/78 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 156 ms. Remains : 5/62 places, 8/78 transitions.
[2026-05-24 03:46:21] [INFO ] Flatten gal took : 1 ms
[2026-05-24 03:46:21] [INFO ] Flatten gal took : 0 ms
[2026-05-24 03:46:21] [INFO ] Input system was already deterministic with 8 transitions.
[2026-05-24 03:46:21] [INFO ] Flatten gal took : 0 ms
[2026-05-24 03:46:21] [INFO ] Flatten gal took : 1 ms
[2026-05-24 03:46:21] [INFO ] Time to serialize gal into /tmp/CTLFireability11556360723898298121.gal : 0 ms
[2026-05-24 03:46:21] [INFO ] Time to serialize properties into /tmp/CTLFireability15844962159697132587.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/CTLFireability11556360723898298121.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15844962159697132587.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,90,0.002522,3796,2,39,5,170,6,0,25,155,0


Converting to forward existential form...Done !
original formula: AG(EF((p6==1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (p6==1))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t2, t3, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total...165
(forward)formula 0,0,0.004849,4072,1,0,24,577,34,11,130,673,23
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 58 transition count 74
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 58 transition count 74
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 54 transition count 70
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 54 transition count 70
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 19 place count 51 transition count 67
Iterating global reduction 0 with 3 rules applied. Total rules applied 22 place count 51 transition count 67
Applied a total of 22 rules in 4 ms. Remains 51 /62 variables (removed 11) and now considering 67/78 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9979441034338737184.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9756683502346805788.kers'
[2026-05-24 03:46:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9979441034338737184.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9756683502346805788.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 67 rows 49 cols 131 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 03:46:21] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9756683502346805788.kers
Total runtime 0 ms.
[2026-05-24 03:46:21] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 03:46:21] [INFO ] Invariant cache hit.
[2026-05-24 03:46:21] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-24 03:46:21] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2026-05-24 03:46:21] [INFO ] Invariant cache hit.
[2026-05-24 03:46:21] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/118 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 44/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 97 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1322 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 51/51 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/118 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 44/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 66/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 0/118 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 163 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1300 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 51/51 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2628ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 2629ms
Starting structural reductions in LTL mode, iteration 1 : 51/62 places, 67/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2718 ms. Remains : 51/62 places, 67/78 transitions.
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:24] [INFO ] Input system was already deterministic with 67 transitions.
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:24] [INFO ] Time to serialize gal into /tmp/CTLFireability10459688483963209369.gal : 1 ms
[2026-05-24 03:46:24] [INFO ] Time to serialize properties into /tmp/CTLFireability7441631801282917727.ctl : 4 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/CTLFireability10459688483963209369.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7441631801282917727.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,1.21229e+06,0.051713,6208,2,452,5,13611,6,0,261,8967,0


Converting to forward existential form...Done !
original formula: EX((EF(((p51==1) * EG(((p45==0)||(p61==0))))) + ((p38==1)&&(p62==1))))
=> equivalent forward existential formula: ([FwdG((FwdU(EY(Init),TRUE) * (p51==1)),((p45==0)||(p61==0)))] != FALSE + [(EY(Init) * ((p38==1)&&(p62==1)))] !=...162
Hit Full ! (commute/partial/dont) 33/0/34
(forward)formula 0,1,0.128034,8652,1,0,15,24256,21,5,1334,20740,14
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 58 transition count 74
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 58 transition count 74
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 54 transition count 70
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 54 transition count 70
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 19 place count 51 transition count 67
Iterating global reduction 0 with 3 rules applied. Total rules applied 22 place count 51 transition count 67
Applied a total of 22 rules in 4 ms. Remains 51 /62 variables (removed 11) and now considering 67/78 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2035904525832172104.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7435727567337560700.kers'
[2026-05-24 03:46:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2035904525832172104.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7435727567337560700.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 67 rows 49 cols 131 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 03:46:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7435727567337560700.kers
Total runtime 1 ms.
[2026-05-24 03:46:24] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 03:46:24] [INFO ] Invariant cache hit.
[2026-05-24 03:46:24] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-24 03:46:24] [INFO ] Implicit Places using invariants and state equation in 66 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 114 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/62 places, 67/78 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 119 ms. Remains : 50/62 places, 67/78 transitions.
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:24] [INFO ] Input system was already deterministic with 67 transitions.
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:24] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:24] [INFO ] Time to serialize gal into /tmp/CTLFireability12711167838067106915.gal : 1 ms
[2026-05-24 03:46:24] [INFO ] Time to serialize properties into /tmp/CTLFireability16737916430843858507.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/CTLFireability12711167838067106915.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16737916430843858507.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,1.21229e+06,0.042308,5844,2,691,5,11615,6,0,259,7230,0


Converting to forward existential form...Done !
original formula: EX(EF((p31==1)))
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * (p31==1))] != FALSE
(forward)formula 0,1,0.064535,6104,1,0,9,11741,9,1,525,7230,4
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 57 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 1 place count 57 transition count 67
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 13 place count 51 transition count 67
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 18 place count 46 transition count 62
Iterating global reduction 0 with 5 rules applied. Total rules applied 23 place count 46 transition count 62
Applied a total of 23 rules in 8 ms. Remains 46 /62 variables (removed 16) and now considering 62/78 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13699630584679849600.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-189526166128155983.kers'
[2026-05-24 03:46:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13699630584679849600.kers, --Pflows, --basisKERS=/tmp/petrispot-output-189526166128155983.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 62 rows 44 cols 122 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-24 03:46:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-189526166128155983.kers
Total runtime 0 ms.
[2026-05-24 03:46:24] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 03:46:24] [INFO ] Invariant cache hit.
[2026-05-24 03:46:24] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:24] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2026-05-24 03:46:24] [INFO ] Redundant transitions in 1 ms returned []
Running 61 sub problems to find dead transitions.
[2026-05-24 03:46:24] [INFO ] Invariant cache hit.
[2026-05-24 03:46:24] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (OVERLAPS) 1/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 62/108 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 43/91 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 91 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1095 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 46/46 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (OVERLAPS) 1/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 62/108 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 43/91 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 61/152 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 0/108 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 152 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 46/46 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2124ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 2124ms
Starting structural reductions in SI_CTL mode, iteration 1 : 46/62 places, 62/78 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2218 ms. Remains : 46/62 places, 62/78 transitions.
[2026-05-24 03:46:26] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:26] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:26] [INFO ] Input system was already deterministic with 62 transitions.
[2026-05-24 03:46:26] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:26] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:26] [INFO ] Time to serialize gal into /tmp/CTLFireability10306755165653101094.gal : 1 ms
[2026-05-24 03:46:26] [INFO ] Time to serialize properties into /tmp/CTLFireability16447301590607004604.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/CTLFireability10306755165653101094.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16447301590607004604.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,458753,0.031691,5280,2,396,5,7932,6,0,238,5177,0


Converting to forward existential form...Done !
original formula: (AG(AF(EG(((p34==0)||(p62==0))))) + EG((((p18==0)||(p62==0)) * AG(((p19==1)&&(p61==1))))))
=> equivalent forward existential formula: [FwdG(FwdU((Init * !(EG((((p18==0)||(p62==0)) * !(E(TRUE U !(((p19==1)&&(p61==1))))))))),TRUE),!(EG(((p34==0)||(...175
Reverse transition relation is NOT exact ! Due to transitions t14, t16, t18, t20, t21, t23, t55, t56, t57, t58, t59, t60, t61, Intersection with reachable...225
(forward)formula 0,0,0.497081,22688,1,0,318,107811,164,179,1522,129732,391
FORMULA DiscoveryGPU-PT-06a-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 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 15 place count 52 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 20 place count 52 transition count 68
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 50 transition count 66
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 50 transition count 66
Applied a total of 24 rules in 12 ms. Remains 50 /62 variables (removed 12) and now considering 66/78 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1455456490822325807.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8958429493246235534.kers'
[2026-05-24 03:46:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1455456490822325807.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8958429493246235534.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 66 rows 48 cols 130 entries
Finished phase 1 with 48 SingleSign rule and 0 generalized
[2026-05-24 03:46:27] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8958429493246235534.kers
Total runtime 0 ms.
[2026-05-24 03:46:27] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 03:46:27] [INFO ] Invariant cache hit.
[2026-05-24 03:46:27] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:27] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 65 sub problems to find dead transitions.
[2026-05-24 03:46:27] [INFO ] Invariant cache hit.
[2026-05-24 03:46:27] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (OVERLAPS) 1/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 66/116 variables, 50/52 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 43/95 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (OVERLAPS) 0/116 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 116/116 variables, and 95 constraints, problems are : Problem set: 0 solved, 65 unsolved in 1349 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 50/50 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (OVERLAPS) 1/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 66/116 variables, 50/52 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 43/95 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 65/160 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 0/116 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 116/116 variables, and 160 constraints, problems are : Problem set: 0 solved, 65 unsolved in 1244 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 50/50 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2598ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 2599ms
Starting structural reductions in LTL mode, iteration 1 : 50/62 places, 66/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2684 ms. Remains : 50/62 places, 66/78 transitions.
[2026-05-24 03:46:30] [INFO ] Flatten gal took : 9 ms
[2026-05-24 03:46:30] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:30] [INFO ] Input system was already deterministic with 66 transitions.
[2026-05-24 03:46:30] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:30] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:30] [INFO ] Time to serialize gal into /tmp/CTLFireability15916945226624467272.gal : 1 ms
[2026-05-24 03:46:30] [INFO ] Time to serialize properties into /tmp/CTLFireability13347637296609228111.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/CTLFireability15916945226624467272.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13347637296609228111.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,1.19645e+06,0.085313,7696,2,905,5,22482,6,0,257,15485,0


Converting to forward existential form...Done !
original formula: AG((((EX(((p53==0)||(p62==0))) + AF(AX(((p35==1)&&(p61==1))))) + (AF((((EX(((p47==0)||(p61==0))) * (p57==1)) * ((p61==1)&&(p3==1))) * (p6...199
=> equivalent forward existential formula: [FwdG((((FwdU(Init,TRUE) * !(((p57==1)&&(p61==1)))) * !((EX(((p53==0)||(p62==0))) + !(EG(!(!(EX(!(((p35==1)&&(p6...272
Reverse transition relation is NOT exact ! Due to transitions t1, t10, t13, t19, t21, t24, t26, t59, t60, t61, t62, t63, t64, t65, Intersection with reach...229
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,1,0.390693,19676,1,0,186,87120,168,129,1594,102293,253
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 58 transition count 74
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 58 transition count 74
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 54 transition count 70
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 54 transition count 70
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 19 place count 51 transition count 67
Iterating global reduction 0 with 3 rules applied. Total rules applied 22 place count 51 transition count 67
Applied a total of 22 rules in 4 ms. Remains 51 /62 variables (removed 11) and now considering 67/78 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11857152336825124559.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4696712692668459401.kers'
[2026-05-24 03:46:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11857152336825124559.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4696712692668459401.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 67 rows 49 cols 131 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 03:46:30] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4696712692668459401.kers
Total runtime 0 ms.
[2026-05-24 03:46:30] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 03:46:30] [INFO ] Invariant cache hit.
[2026-05-24 03:46:30] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-24 03:46:30] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 66 sub problems to find dead transitions.
[2026-05-24 03:46:30] [INFO ] Invariant cache hit.
[2026-05-24 03:46:30] [INFO ] State equation strengthened by 44 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/118 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 44/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/118 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 118/118 variables, and 97 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1264 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 51/51 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 1/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 67/118 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 44/97 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 66/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 0/118 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 118/118 variables, and 163 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1312 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 51/51 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2586ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 2587ms
Starting structural reductions in LTL mode, iteration 1 : 51/62 places, 67/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2669 ms. Remains : 51/62 places, 67/78 transitions.
[2026-05-24 03:46:33] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:33] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:33] [INFO ] Input system was already deterministic with 67 transitions.
[2026-05-24 03:46:33] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:33] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:33] [INFO ] Time to serialize gal into /tmp/CTLFireability6729959015010335075.gal : 1 ms
[2026-05-24 03:46:33] [INFO ] Time to serialize properties into /tmp/CTLFireability13126843402461537653.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/CTLFireability6729959015010335075.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13126843402461537653.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,1.21229e+06,0.043169,5876,2,550,5,11453,6,0,261,7284,0


Converting to forward existential form...Done !
original formula: EF(AX((EF(!(A((p1==1) U (p4==1)))) * (AF(EX(((p3==1)&&(p62==1)))) + ((p56==1)&&(p61==1))))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!((E(TRUE U !(!((E(!((p4==1)) U (!((p1==1)) * !((p4==1)))) + EG(!((p4==1))))))) * (!(EG...223
Reverse transition relation is NOT exact ! Due to transitions t16, t18, t20, t23, t25, t59, t60, t61, t62, t63, t64, t65, t66, Intersection with reachable...225
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,1,1.80711,69312,1,0,625,368198,174,390,1661,492338,720
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 53 transition count 69
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 53 transition count 69
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 22 place count 49 transition count 65
Iterating global reduction 0 with 4 rules applied. Total rules applied 26 place count 49 transition count 65
Applied a total of 26 rules in 11 ms. Remains 49 /62 variables (removed 13) and now considering 65/78 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11436649028225316258.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11360794465402440814.kers'
[2026-05-24 03:46:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11436649028225316258.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11360794465402440814.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 65 rows 47 cols 128 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-24 03:46:35] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11360794465402440814.kers
Total runtime 0 ms.
[2026-05-24 03:46:35] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 03:46:35] [INFO ] Invariant cache hit.
[2026-05-24 03:46:35] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:35] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2026-05-24 03:46:35] [INFO ] Invariant cache hit.
[2026-05-24 03:46:35] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 43/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 94 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1167 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 43/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 64/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 158 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1214 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2386ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 2387ms
Starting structural reductions in LTL mode, iteration 1 : 49/62 places, 65/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2483 ms. Remains : 49/62 places, 65/78 transitions.
[2026-05-24 03:46:37] [INFO ] Flatten gal took : 7 ms
[2026-05-24 03:46:37] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:37] [INFO ] Input system was already deterministic with 65 transitions.
[2026-05-24 03:46:37] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:37] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:37] [INFO ] Time to serialize gal into /tmp/CTLFireability13172081083662699801.gal : 1 ms
[2026-05-24 03:46:37] [INFO ] Time to serialize properties into /tmp/CTLFireability591968242476013271.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/CTLFireability13172081083662699801.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability591968242476013271.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,1.12397e+06,0.064734,7056,2,955,5,18875,6,0,252,12912,0


Converting to forward existential form...Done !
original formula: EF(((AX((p28==1)) * (p43==1)) * (p62==1)))
=> equivalent forward existential formula: [(((FwdU(Init,TRUE) * (p62==1)) * (p43==1)) * !(EX(!((p28==1)))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t3, t12, t16, t18, t20, t22, t23, t58, t59, t60, t61, t62, t63, t64, Intersection with reach...229
(forward)formula 0,0,0.23179,13664,1,0,102,50279,149,65,1476,61882,139
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 59 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 1 place count 59 transition count 73
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 57 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 6 place count 56 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 56 transition count 72
Applied a total of 7 rules in 13 ms. Remains 56 /62 variables (removed 6) and now considering 72/78 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16711996290308365151.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14474472799884007139.kers'
[2026-05-24 03:46:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16711996290308365151.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14474472799884007139.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 72 rows 54 cols 138 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-24 03:46:37] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14474472799884007139.kers
Total runtime 0 ms.
[2026-05-24 03:46:37] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 03:46:37] [INFO ] Invariant cache hit.
[2026-05-24 03:46:37] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 03:46:37] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2026-05-24 03:46:37] [INFO ] Redundant transitions in 1 ms returned []
Running 71 sub problems to find dead transitions.
[2026-05-24 03:46:37] [INFO ] Invariant cache hit.
[2026-05-24 03:46:37] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (OVERLAPS) 72/128 variables, 56/58 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 47/105 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (OVERLAPS) 0/128 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Real declared 128/128 variables, and 105 constraints, problems are : Problem set: 0 solved, 71 unsolved in 1411 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 56/56 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 71 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (OVERLAPS) 72/128 variables, 56/58 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 47/105 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 71/176 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 7 (OVERLAPS) 0/128 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Int declared 128/128 variables, and 176 constraints, problems are : Problem set: 0 solved, 71 unsolved in 1460 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 56/56 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2876ms problems are : Problem set: 0 solved, 71 unsolved
Search for dead transitions found 0 dead transitions in 2877ms
Starting structural reductions in SI_CTL mode, iteration 1 : 56/62 places, 72/78 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2969 ms. Remains : 56/62 places, 72/78 transitions.
[2026-05-24 03:46:40] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:40] [INFO ] Flatten gal took : 5 ms
[2026-05-24 03:46:40] [INFO ] Input system was already deterministic with 72 transitions.
[2026-05-24 03:46:40] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:40] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:40] [INFO ] Time to serialize gal into /tmp/CTLFireability2667407163668701809.gal : 1 ms
[2026-05-24 03:46:40] [INFO ] Time to serialize properties into /tmp/CTLFireability15056881325063345601.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/CTLFireability2667407163668701809.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15056881325063345601.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,990001,0.028986,5304,2,250,5,8205,6,0,286,4259,0


Converting to forward existential form...Done !
original formula: AG((((EF(((((p2==1)&&(p61==1))&&((p37==1)&&(p61==1)))&&(p44==1))) + A(((p42==1)&&(p61==1)) U (((p34==1)||((p24==1)&&(p62==1)))||(!((p6==1...503
=> equivalent forward existential formula: ([((((FwdU(Init,TRUE) * !(((p21==1) * ((!((E(!((p53==1)) U (!(((p56==1)&&(p61==1))) * !((p53==1)))) + EG(!((p53=...2245
Reverse transition relation is NOT exact ! Due to transitions t1, t11, t56, t58, t60, t62, t63, t64, t65, t66, t67, t68, t69, Intersection with reachable ...224
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,0,1.00163,43340,1,0,890,225135,225,482,1831,296231,1074
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Graph (complete) has 171 edges and 62 vertex of which 59 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 1 place count 59 transition count 70
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 54 transition count 70
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 14 place count 51 transition count 67
Iterating global reduction 0 with 3 rules applied. Total rules applied 17 place count 51 transition count 67
Applied a total of 17 rules in 15 ms. Remains 51 /62 variables (removed 11) and now considering 67/78 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2501766630565040010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15326004873260185248.kers'
[2026-05-24 03:46:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2501766630565040010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15326004873260185248.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 67 rows 49 cols 130 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 03:46:41] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15326004873260185248.kers
Total runtime 0 ms.
[2026-05-24 03:46:41] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 03:46:41] [INFO ] Invariant cache hit.
[2026-05-24 03:46:41] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-24 03:46:41] [INFO ] Implicit Places using invariants and state equation in 54 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 87 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 50/62 places, 67/78 transitions.
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 50 transition count 67
Applied a total of 2 rules in 7 ms. Remains 50 /50 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12073199692540226932.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5286303782739165842.kers'
[2026-05-24 03:46:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12073199692540226932.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5286303782739165842.kers]
Normalized transition count is 66 out of 67 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 66 rows 49 cols 128 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 03:46:42] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5286303782739165842.kers
Total runtime 0 ms.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 03:46:42] [INFO ] Invariant cache hit.
[2026-05-24 03:46:42] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 50/62 places, 67/78 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 184 ms. Remains : 50/62 places, 67/78 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Input system was already deterministic with 67 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize gal into /tmp/CTLFireability15364437584288831284.gal : 0 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize properties into /tmp/CTLFireability9990586152128520665.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/CTLFireability15364437584288831284.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9990586152128520665.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,675841,0.030463,5360,2,378,5,8213,6,0,259,4795,0


Converting to forward existential form...Done !
original formula: E(!(AG(!(E((p1==1) U (p16==1))))) U AG(!(A(((!((p45==1)&&(p61==1)))&&((p6==1)||(p31==1))) U (p33!=1)))))
=> equivalent forward existential formula: [(FwdU(Init,!(!(E(TRUE U !(!(E((p1==1) U (p16==1)))))))) * !(E(TRUE U !(!(!((E(!((p33!=1)) U (!(((!((p45==1)&&(p...237
Reverse transition relation is NOT exact ! Due to transitions t14, t18, t21, t55, t56, t57, t58, t59, t60, t61, t62, t64, t65, Intersection with reachable...225
(forward)formula 0,0,0.15223,11012,1,0,139,38421,165,86,1560,37635,204
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 15 place count 52 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 20 place count 52 transition count 68
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 24 place count 48 transition count 64
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 48 transition count 64
Applied a total of 28 rules in 5 ms. Remains 48 /62 variables (removed 14) and now considering 64/78 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1609718565136789076.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6483995050100184826.kers'
[2026-05-24 03:46:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1609718565136789076.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6483995050100184826.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 64 rows 46 cols 126 entries
Finished phase 1 with 46 SingleSign rule and 0 generalized
[2026-05-24 03:46:42] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6483995050100184826.kers
Total runtime 1 ms.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 03:46:42] [INFO ] Invariant cache hit.
[2026-05-24 03:46:42] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants and state equation in 52 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 91 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/62 places, 64/78 transitions.
Applied a total of 0 rules in 0 ms. Remains 47 /47 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 47/62 places, 64/78 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 1 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Input system was already deterministic with 64 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize gal into /tmp/CTLFireability14292518037306077261.gal : 0 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize properties into /tmp/CTLFireability6712582592927558737.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/CTLFireability14292518037306077261.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6712582592927558737.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,1.04653e+06,0.054524,6412,2,889,5,15700,6,0,245,9290,0


Converting to forward existential form...Done !
original formula: EX((AG((AX(((p6==0)||(p61==0))) + (p46==1))) * (p58==1)))
=> equivalent forward existential formula: [((EY(Init) * (p58==1)) * !(E(TRUE U !((!(EX(!(((p6==0)||(p61==0))))) + (p46==1))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t15, t17, t19, t21, t22, t24, t57, t58, t59, t60, t61, t62, t63, Intersection with reachable...225
(forward)formula 0,0,0.311869,18440,1,0,104,82905,152,68,1495,77900,145
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 15 place count 52 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 20 place count 52 transition count 68
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 24 place count 48 transition count 64
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 48 transition count 64
Applied a total of 28 rules in 6 ms. Remains 48 /62 variables (removed 14) and now considering 64/78 (removed 14) transitions.
[2026-05-24 03:46:42] [INFO ] Invariant cache hit.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 03:46:42] [INFO ] Invariant cache hit.
[2026-05-24 03:46:42] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:42] [INFO ] Implicit Places using invariants and state equation in 53 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 80 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/62 places, 64/78 transitions.
Applied a total of 0 rules in 1 ms. Remains 47 /47 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 87 ms. Remains : 47/62 places, 64/78 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Input system was already deterministic with 64 transitions.
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:42] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize gal into /tmp/CTLFireability407174047229202095.gal : 1 ms
[2026-05-24 03:46:42] [INFO ] Time to serialize properties into /tmp/CTLFireability15240428068696952933.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/CTLFireability407174047229202095.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15240428068696952933.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,1.04653e+06,0.051143,6388,2,889,5,15700,6,0,245,9290,0


Converting to forward existential form...Done !
original formula: EG(EX(((p37==1)&&(p61==1))))
=> equivalent forward existential formula: [FwdG(Init,EX(((p37==1)&&(p61==1))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t15, t17, t19, t21, t22, t24, t57, t58, t59, t60, t61, t62, t63, Intersection with reachable...225
(forward)formula 0,0,0.190324,12076,1,0,99,40930,150,63,1436,51911,139
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 78/78 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 73
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 15 place count 52 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 20 place count 52 transition count 68
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 23 place count 49 transition count 65
Iterating global reduction 0 with 3 rules applied. Total rules applied 26 place count 49 transition count 65
Applied a total of 26 rules in 5 ms. Remains 49 /62 variables (removed 13) and now considering 65/78 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6489052061473906774.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9700986705079608120.kers'
[2026-05-24 03:46:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6489052061473906774.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9700986705079608120.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 65 rows 47 cols 128 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-24 03:46:42] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9700986705079608120.kers
Total runtime 0 ms.
[2026-05-24 03:46:43] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 03:46:43] [INFO ] Invariant cache hit.
[2026-05-24 03:46:43] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-24 03:46:43] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2026-05-24 03:46:43] [INFO ] Invariant cache hit.
[2026-05-24 03:46:43] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 43/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (OVERLAPS) 0/114 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 94 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1181 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 65/114 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 43/94 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 64/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/114 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 158 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1239 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 49/49 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2424ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 2425ms
Starting structural reductions in LTL mode, iteration 1 : 49/62 places, 65/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2509 ms. Remains : 49/62 places, 65/78 transitions.
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 3 ms
[2026-05-24 03:46:45] [INFO ] Input system was already deterministic with 65 transitions.
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 2 ms
[2026-05-24 03:46:45] [INFO ] Time to serialize gal into /tmp/CTLFireability4630789312013115628.gal : 1 ms
[2026-05-24 03:46:45] [INFO ] Time to serialize properties into /tmp/CTLFireability357871381076511260.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/CTLFireability4630789312013115628.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability357871381076511260.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 -...282
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,1.12397e+06,0.050318,6172,2,730,5,12926,6,0,252,9640,0


Converting to forward existential form...Done !
original formula: (EX((AX((p6==1)) * AG(!(E(((p27==1)&&(p61==1)) U ((p29==1)&&(p61==1))))))) + EF(((EF((((p6==1)&&(p61==1))&&((p23==1)&&(p62==1)))) * (p10=...173
=> equivalent forward existential formula: ([((EY(Init) * !(EX(!((p6==1))))) * !(E(TRUE U !(!(E(((p27==1)&&(p61==1)) U ((p29==1)&&(p61==1))))))))] != FALSE...270
Reverse transition relation is NOT exact ! Due to transitions t7, t12, t16, t18, t20, t22, t25, t58, t59, t60, t61, t62, t63, t64, Intersection with reach...229
(forward)formula 0,1,0.291894,16504,1,0,113,67082,161,71,1633,71648,159
FORMULA DiscoveryGPU-PT-06a-CTLFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 6 ms
[2026-05-24 03:46:45] [INFO ] Flatten gal took : 3 ms
Total runtime 37675 ms.

BK_STOP 1779594405862

--------------------
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="DiscoveryGPU-PT-06a"
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 DiscoveryGPU-PT-06a, 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 r098-tall-177955695400234"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-06a.tgz
mv DiscoveryGPU-PT-06a 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 ;