fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967500012
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CloudOpsManagement-PT-00005by00002

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
387.079 12216.00 23224.00 122.20 TFFFTFFFFFFFFFFF 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.r066-tall-177946967500012.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 CloudOpsManagement-PT-00005by00002, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 8.5K Mar 6 08:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 08:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 08:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 08:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 08:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 08:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 08:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 08:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Mar 6 08:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 6 08:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 6 08:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 17K 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 CloudOpsManagement-PT-00005by00002-LTLFireability-00
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-01
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-02
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-03
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-04
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-05
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-06
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-07
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-08
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-09
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-10
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-11
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-12
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-13
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-14
FORMULA_NAME CloudOpsManagement-PT-00005by00002-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779481444790

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudOpsManagement-PT-00005by00002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 20:24:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 20:24:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:24:06] [INFO ] Load time of PNML (sax parser for PT used): 38 ms
[2026-05-22 20:24:06] [INFO ] Transformed 27 places.
[2026-05-22 20:24:06] [INFO ] Transformed 29 transitions.
[2026-05-22 20:24:06] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 133 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Applied a total of 0 rules in 12 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (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-4218235476942110985.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8154764668127589554.kers'
[2026-05-22 20:24:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4218235476942110985.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8154764668127589554.kers]
Normalized transition count is 28 out of 29 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 28 rows 26 cols 86 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 20:24:06] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8154764668127589554.kers
Total runtime 1 ms.
[2026-05-22 20:24:06] [INFO ] Implicit Places using invariants in 181 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 214 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/27 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 242 ms. Remains : 26/27 places, 29/29 transitions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (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-10359410734873447758.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9776316438601692794.kers'
[2026-05-22 20:24:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10359410734873447758.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9776316438601692794.kers]
Normalized transition count is 28 out of 29 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 28 rows 25 cols 84 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 20:24:06] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9776316438601692794.kers
Total runtime 0 ms.
[2026-05-22 20:24:06] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-22 20:24:06] [INFO ] Invariant cache hit.
[2026-05-22 20:24:06] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:06] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2026-05-22 20:24:06] [INFO ] Invariant cache hit.
[2026-05-22 20:24:06] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/26 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/54 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 1/55 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/55 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 0/55 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 55/55 variables, and 39 constraints, problems are : Problem set: 0 solved, 26 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 26/26 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/26 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/54 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 26/64 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1/55 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/55 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/55 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 55/55 variables, and 65 constraints, problems are : Problem set: 0 solved, 26 unsolved in 881 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 26/26 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1398ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1406ms
Finished structural reductions in LTL mode , in 1 iterations and 1514 ms. Remains : 26/26 places, 29/29 transitions.
Support contains 25 out of 26 places after structural reductions.
[2026-05-22 20:24:08] [INFO ] Flatten gal took : 23 ms
[2026-05-22 20:24:08] [INFO ] Flatten gal took : 22 ms
[2026-05-22 20:24:08] [INFO ] Input system was already deterministic with 29 transitions.
Support contains 23 out of 26 places (down from 25) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 24 to 23
RANDOM walk for 33917 steps (8 resets) in 443 ms. (76 steps per ms) remains 0/23 properties
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||G(p1)))||X(F(p2))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:09] [INFO ] Invariant cache hit.
[2026-05-22 20:24:09] [INFO ] Implicit Places using invariants in 32 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 33 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||G(p1)))||X(F(p2))))'
Stuttering acceptance computed with spot in 288 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-00
Product exploration explored 100000 steps with 75 reset in 293 ms.
Product exploration explored 100000 steps with 9 reset in 115 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 289 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 8 states, 26 edges and 3 AP (stutter insensitive).
RANDOM walk for 40007 steps (8 resets) in 234 ms. (170 steps per ms) remains 2/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 190 ms. (209 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 183 ms. (217 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4768877672519634461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12256750634077100098.kers'
[2026-05-22 20:24:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4768877672519634461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12256750634077100098.kers]
Normalized transition count is 28 out of 29 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 28 rows 23 cols 80 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 20:24:10] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12256750634077100098.kers
Total runtime 0 ms.
[2026-05-22 20:24:10] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf4 is UNSAT
Problem apf5 is UNSAT
After SMT solving in domain Real declared 12/53 variables, and 4 constraints, problems are : Problem set: 2 solved, 0 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 4/8 constraints, State Equation: 0/24 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 11 factoid took 9 ms. Proved property starting from automaton with 8 states, 26 edges and 3 AP (stutter insensitive
Knowledge-based reduction took 609 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-00 finished in 1510 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 11 edges and 26 vertex of which 9 / 26 are part of one of the 4 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 21 transition count 21
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 21 transition count 19
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 17 transition count 19
Applied a total of 9 rules in 18 ms. Remains 17 /26 variables (removed 9) and now considering 19/29 (removed 10) transitions.
[2026-05-22 20:24:10] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12128182662069961315.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5012587140420788790.kers'
[2026-05-22 20:24:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12128182662069961315.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5012587140420788790.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 14 rows 13 cols 43 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-22 20:24:10] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5012587140420788790.kers
Total runtime 0 ms.
[2026-05-22 20:24:10] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-22 20:24:10] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:10] [INFO ] Invariant cache hit.
[2026-05-22 20:24:10] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:10] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-22 20:24:10] [INFO ] Redundant transitions in 1 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 20:24:10] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:10] [INFO ] Invariant cache hit.
[2026-05-22 20:24:10] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 28 constraints, problems are : Problem set: 0 solved, 16 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 17/17 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 1/32 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 44 constraints, problems are : Problem set: 0 solved, 16 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 17/17 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 531ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 532ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/26 places, 19/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 606 ms. Remains : 17/26 places, 19/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-02
Stuttering criterion allowed to conclude after 3 steps with 1 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-02 finished in 715 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(X(F(p1))))))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (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-15883788626690074665.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17217311458582669686.kers'
[2026-05-22 20:24:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15883788626690074665.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17217311458582669686.kers]
Normalized transition count is 28 out of 29 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 28 rows 25 cols 84 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 20:24:11] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17217311458582669686.kers
Total runtime 0 ms.
[2026-05-22 20:24:11] [INFO ] Implicit Places using invariants in 38 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(X(F(p1))))))'
Stuttering acceptance computed with spot in 207 ms :[(NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-03
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-03 finished in 274 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(F(p1)))||p0)))'
Support contains 5 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:11] [INFO ] Invariant cache hit.
[2026-05-22 20:24:11] [INFO ] Implicit Places using invariants in 28 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 30 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(F(p1)))||p0)))'
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 81 ms.
Product exploration explored 100000 steps with 50000 reset in 112 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 51 ms. Proved property starting from automaton with 4 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 69 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-04 finished in 501 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(F(p0)))||G(p1)) U G((p2 U X(p2))))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:12] [INFO ] Invariant cache hit.
[2026-05-22 20:24:12] [INFO ] Implicit Places using invariants in 30 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 31 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(F(p0)))||G(p1)) U G((p2 U X(p2))))))'
Stuttering acceptance computed with spot in 482 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-05
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-05 finished in 571 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((!F(p1)&&X(p2)&&p0))) U p3))'
Support contains 7 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:12] [INFO ] Invariant cache hit.
[2026-05-22 20:24:12] [INFO ] Implicit Places using invariants in 24 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 25 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((!F(p1)&&X(p2)&&p0))) U p3))'
Stuttering acceptance computed with spot in 248 ms :[(NOT p3), (OR (NOT p0) (NOT p3) (NOT p2) p1), (OR (NOT p0) (NOT p2) p1), true, p1, (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-06 finished in 316 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((G(p0)||(p1&&X(!p2))))))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:12] [INFO ] Invariant cache hit.
[2026-05-22 20:24:12] [INFO ] Implicit Places using invariants in 25 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 27 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((G(p0)||(X(p1)&&p2)))))))'
Stuttering acceptance computed with spot in 313 ms :[true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-07 finished in 373 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X((G(p2)&&p1)))))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:13] [INFO ] Invariant cache hit.
[2026-05-22 20:24:13] [INFO ] Implicit Places using invariants in 32 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/26 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 25/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((G(p1)&&p0))||p2)))'
Stuttering acceptance computed with spot in 129 ms :[true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-08 finished in 188 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 9 edges and 26 vertex of which 8 / 26 are part of one of the 4 SCC in 1 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 22 transition count 23
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 22 transition count 21
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 18 transition count 21
Applied a total of 9 rules in 7 ms. Remains 18 /26 variables (removed 8) and now considering 21/29 (removed 8) transitions.
[2026-05-22 20:24:13] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11974354724571691551.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15608208992138594302.kers'
[2026-05-22 20:24:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11974354724571691551.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15608208992138594302.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 16 rows 15 cols 49 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-22 20:24:13] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15608208992138594302.kers
Total runtime 0 ms.
[2026-05-22 20:24:13] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-22 20:24:13] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
[2026-05-22 20:24:13] [INFO ] Invariant cache hit.
[2026-05-22 20:24:13] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:13] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2026-05-22 20:24:13] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2026-05-22 20:24:13] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
[2026-05-22 20:24:13] [INFO ] Invariant cache hit.
[2026-05-22 20:24:13] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 3/18 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 1/35 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 18 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 29 constraints, problems are : Problem set: 0 solved, 18 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 3/18 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 18/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 1/35 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/35 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 0/35 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 47 constraints, problems are : Problem set: 0 solved, 18 unsolved in 310 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 475ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 476ms
Starting structural reductions in SI_LTL mode, iteration 1 : 18/26 places, 21/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 555 ms. Remains : 18/26 places, 21/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-09 finished in 621 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 8 edges and 26 vertex of which 7 / 26 are part of one of the 3 SCC in 1 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 22 transition count 23
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 0 with 1 rules applied. Total rules applied 3 place count 22 transition count 22
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 20 transition count 22
Applied a total of 5 rules in 5 ms. Remains 20 /26 variables (removed 6) and now considering 22/29 (removed 7) transitions.
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17752880431280284342.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16413741552839225683.kers'
[2026-05-22 20:24:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17752880431280284342.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16413741552839225683.kers]
Normalized transition count is 18 out of 19 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 18 rows 17 cols 55 entries
Finished phase 1 with 11 SingleSign rule and 0 generalized
[2026-05-22 20:24:14] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16413741552839225683.kers
Total runtime 0 ms.
[2026-05-22 20:24:14] [INFO ] Implicit Places using invariants in 33 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/26 places, 22/29 transitions.
Graph (trivial) has 5 edges and 19 vertex of which 2 / 19 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 1 ms. Remains 18 /19 variables (removed 1) and now considering 21/22 (removed 1) transitions.
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15713779813236503532.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4190467715972222603.kers'
[2026-05-22 20:24:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15713779813236503532.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4190467715972222603.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 16 rows 15 cols 49 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-22 20:24:14] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4190467715972222603.kers
Total runtime 0 ms.
[2026-05-22 20:24:14] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
[2026-05-22 20:24:14] [INFO ] Invariant cache hit.
[2026-05-22 20:24:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:14] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/26 places, 21/29 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 97 ms. Remains : 18/26 places, 21/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-10
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-10 finished in 263 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(!p1))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 9 edges and 26 vertex of which 7 / 26 are part of one of the 3 SCC in 1 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 22 transition count 22
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 22 transition count 20
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 18 transition count 20
Applied a total of 9 rules in 6 ms. Remains 18 /26 variables (removed 8) and now considering 20/29 (removed 9) transitions.
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9081233309985729164.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11500960306232841369.kers'
[2026-05-22 20:24:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9081233309985729164.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11500960306232841369.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 16 rows 15 cols 52 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-22 20:24:14] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11500960306232841369.kers
Total runtime 1 ms.
[2026-05-22 20:24:14] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2026-05-22 20:24:14] [INFO ] Invariant cache hit.
[2026-05-22 20:24:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:14] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2026-05-22 20:24:14] [INFO ] Redundant transitions in 1 ms returned []
Running 17 sub problems to find dead transitions.
[2026-05-22 20:24:14] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2026-05-22 20:24:14] [INFO ] Invariant cache hit.
[2026-05-22 20:24:14] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 3/18 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 1/35 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 3/18 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 17/45 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 1/35 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/35 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/35 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 46 constraints, problems are : Problem set: 0 solved, 17 unsolved in 258 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 468ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 470ms
Starting structural reductions in SI_LTL mode, iteration 1 : 18/26 places, 20/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 563 ms. Remains : 18/26 places, 20/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-11
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-11 finished in 638 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(F((p1&&X(X(X(X(F(p2))))))))||p0)))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (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-344837721547723937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14684076410332429449.kers'
[2026-05-22 20:24:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-344837721547723937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14684076410332429449.kers]
Normalized transition count is 28 out of 29 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 28 rows 25 cols 84 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 20:24:14] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14684076410332429449.kers
Total runtime 0 ms.
[2026-05-22 20:24:15] [INFO ] Implicit Places using invariants in 27 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 27 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 24/26 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(F((p1&&X(X(X(X(F(p2))))))))||p0)))'
Stuttering acceptance computed with spot in 248 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-13
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-13 finished in 332 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((G(p0) U (F(!p1) U !p2))) U (!p3||G(!p4))))'
Support contains 8 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 5 edges and 26 vertex of which 4 / 26 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 24 transition count 25
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 24 transition count 23
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 20 transition count 23
Applied a total of 9 rules in 5 ms. Remains 20 /26 variables (removed 6) and now considering 23/29 (removed 6) transitions.
[2026-05-22 20:24:15] [INFO ] Flow matrix only has 21 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-15547663716257658002.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3757986501280352824.kers'
[2026-05-22 20:24:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15547663716257658002.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3757986501280352824.kers]
Normalized transition count is 20 out of 21 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 20 rows 18 cols 62 entries
Finished phase 1 with 12 SingleSign rule and 0 generalized
[2026-05-22 20:24:15] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3757986501280352824.kers
Total runtime 0 ms.
[2026-05-22 20:24:15] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 20:24:15] [INFO ] Flow matrix only has 21 transitions (discarded 2 similar events)
[2026-05-22 20:24:15] [INFO ] Invariant cache hit.
[2026-05-22 20:24:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:15] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-22 20:24:15] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2026-05-22 20:24:15] [INFO ] Flow matrix only has 21 transitions (discarded 2 similar events)
[2026-05-22 20:24:15] [INFO ] Invariant cache hit.
[2026-05-22 20:24:15] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/20 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 20/40 variables, 20/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 1/41 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/41 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/41 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 31 constraints, problems are : Problem set: 0 solved, 20 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 3/20 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 20/40 variables, 20/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 20/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 1/41 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/41 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 11 (OVERLAPS) 0/41 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 51 constraints, problems are : Problem set: 0 solved, 20 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 526ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 526ms
Starting structural reductions in SI_LTL mode, iteration 1 : 20/26 places, 23/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 591 ms. Remains : 20/26 places, 23/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((G(p0) U (F(!p1) U !p2))) U (!p3||G(!p4))))'
Stuttering acceptance computed with spot in 445 ms :[(AND p3 p4), p1, p2, p2, (AND p2 p4), (AND p0 p2 p4), (OR (AND p1 (NOT p2) p4) (AND p0 p1 p4)), (AND p1 p4 (NOT p2) (NOT p0)), p2, (AND p1 (NOT p0))]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-14
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-14 finished in 1094 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 11 edges and 26 vertex of which 9 / 26 are part of one of the 4 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 21 transition count 21
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 21 transition count 19
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 17 transition count 19
Applied a total of 9 rules in 4 ms. Remains 17 /26 variables (removed 9) and now considering 19/29 (removed 10) transitions.
[2026-05-22 20:24:16] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3772147986405453438.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8490952221492909414.kers'
[2026-05-22 20:24:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3772147986405453438.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8490952221492909414.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 14 rows 13 cols 43 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-22 20:24:16] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8490952221492909414.kers
Total runtime 0 ms.
[2026-05-22 20:24:16] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-22 20:24:16] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:16] [INFO ] Invariant cache hit.
[2026-05-22 20:24:16] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:16] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2026-05-22 20:24:16] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 20:24:16] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:16] [INFO ] Invariant cache hit.
[2026-05-22 20:24:16] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 28 constraints, problems are : Problem set: 0 solved, 16 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 17/17 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 1/32 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 44 constraints, problems are : Problem set: 0 solved, 16 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 17/17 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 441ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 442ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/26 places, 19/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 508 ms. Remains : 17/26 places, 19/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00005by00002-LTLFireability-15
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00005by00002-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00005by00002-LTLFireability-15 finished in 580 ms.
All properties solved by simple procedures.
Total runtime 10950 ms.

BK_STOP 1779481457006

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudOpsManagement-PT-00005by00002"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is CloudOpsManagement-PT-00005by00002, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967500012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00005by00002.tgz
mv CloudOpsManagement-PT-00005by00002 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;