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-177946967500028.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-00020by00010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 9.9K Mar 6 08:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 08:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 08:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 6 08:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 08:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 08:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 08:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 08:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 08:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Mar 6 08:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:18 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-00020by00010-LTLFireability-00
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-01
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-02
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-03
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-04
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-05
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-06
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-07
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-08
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-09
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-10
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-11
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-12
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-13
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-14
FORMULA_NAME CloudOpsManagement-PT-00020by00010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779481484718

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-00020by00010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 20:24:45] [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 20:24:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:24:46] [INFO ] Load time of PNML (sax parser for PT used): 38 ms
[2026-05-22 20:24:46] [INFO ] Transformed 27 places.
[2026-05-22 20:24:46] [INFO ] Transformed 29 transitions.
[2026-05-22 20:24:46] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 131 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 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 8 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-41621938525790279.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1444044179387526225.kers'
[2026-05-22 20:24:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-41621938525790279.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1444044179387526225.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 20:24:46] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1444044179387526225.kers
Total runtime 1 ms.
[2026-05-22 20:24:46] [INFO ] Implicit Places using invariants in 162 ms returned []
[2026-05-22 20:24:46] [INFO ] Invariant cache hit.
[2026-05-22 20:24:46] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:46] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2026-05-22 20:24:46] [INFO ] Invariant cache hit.
[2026-05-22 20:24:46] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/27 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/55 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 1/56 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 41 constraints, problems are : Problem set: 0 solved, 26 unsolved in 633 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 27/27 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) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/27 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/55 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 26/66 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1/56 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/56 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 67 constraints, problems are : Problem set: 0 solved, 26 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 27/27 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1275ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1287ms
Finished structural reductions in LTL mode , in 1 iterations and 1582 ms. Remains : 27/27 places, 29/29 transitions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:47] [INFO ] Invariant cache hit.
[2026-05-22 20:24:47] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-22 20:24:47] [INFO ] Invariant cache hit.
[2026-05-22 20:24:47] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:47] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 27/27 places, 29/29 transitions.
Support contains 24 out of 27 places after structural reductions.
[2026-05-22 20:24:48] [INFO ] Flatten gal took : 17 ms
[2026-05-22 20:24:48] [INFO ] Flatten gal took : 6 ms
[2026-05-22 20:24:48] [INFO ] Input system was already deterministic with 29 transitions.
RANDOM walk for 18413 steps (5 resets) in 162 ms. (112 steps per ms) remains 0/19 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (p1||(G(p2)&&(G(!p2) U p3)))))'
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Applied a total of 0 rules in 5 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:48] [INFO ] Invariant cache hit.
[2026-05-22 20:24:48] [INFO ] Implicit Places using invariants in 26 ms returned [16, 19, 23]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 29 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/27 places, 29/29 transitions.
Graph (trivial) has 7 edges and 24 vertex of which 6 / 24 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Applied a total of 1 rules in 7 ms. Remains 21 /24 variables (removed 3) and now considering 26/29 (removed 3) transitions.
[2026-05-22 20:24:48] [INFO ] Flow matrix only has 23 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-13627233564005539661.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1044058302041296763.kers'
[2026-05-22 20:24:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13627233564005539661.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1044058302041296763.kers]
Normalized transition count is 22 out of 23 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 22 rows 20 cols 68 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-22 20:24:48] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1044058302041296763.kers
Total runtime 0 ms.
[2026-05-22 20:24:48] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 20:24:48] [INFO ] Flow matrix only has 23 transitions (discarded 3 similar events)
[2026-05-22 20:24:48] [INFO ] Invariant cache hit.
[2026-05-22 20:24:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:48] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/27 places, 26/29 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 103 ms. Remains : 21/27 places, 26/29 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) U (p1||(G(p2)&&(G(!p2) U p3)))))'
Stuttering acceptance computed with spot in 309 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-00
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-00 finished in 490 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 5 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 8 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 0 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 23 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 23 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 19 transition count 21
Applied a total of 9 rules in 11 ms. Remains 19 /27 variables (removed 8) and now considering 21/29 (removed 8) transitions.
[2026-05-22 20:24:48] [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-1695669578923374683.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2865703978099202410.kers'
[2026-05-22 20:24:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1695669578923374683.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2865703978099202410.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 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 20:24:48] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2865703978099202410.kers
Total runtime 0 ms.
[2026-05-22 20:24:49] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-22 20:24:49] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
[2026-05-22 20:24:49] [INFO ] Invariant cache hit.
[2026-05-22 20:24:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:49] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2026-05-22 20:24:49] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2026-05-22 20:24:49] [INFO ] Flow matrix only has 17 transitions (discarded 4 similar events)
[2026-05-22 20:24:49] [INFO ] Invariant cache hit.
[2026-05-22 20:24:49] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 3/19 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 16/35 variables, 19/28 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 1/36 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 0/36 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 31 constraints, problems are : Problem set: 0 solved, 18 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 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) 0/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 3/19 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 16/35 variables, 19/28 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 18/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 1/36 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 49 constraints, problems are : Problem set: 0 solved, 18 unsolved in 377 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 684ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 685ms
Starting structural reductions in SI_LTL mode, iteration 1 : 19/27 places, 21/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 781 ms. Remains : 19/27 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(G(p0)))'
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-01 finished in 850 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||G(F((G(!p1)||(!p1&&F(p2)&&X(X(!p0)))))))))'
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 7 edges and 27 vertex of which 6 / 27 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 24
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 22
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 22
Applied a total of 9 rules in 10 ms. Remains 20 /27 variables (removed 7) and now considering 22/29 (removed 7) transitions.
[2026-05-22 20:24:49] [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-9360676659822225675.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-314264718207665992.kers'
[2026-05-22 20:24:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9360676659822225675.kers, --Pflows, --basisKERS=/tmp/petrispot-output-314264718207665992.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 20:24:49] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-314264718207665992.kers
Total runtime 0 ms.
[2026-05-22 20:24:49] [INFO ] Implicit Places using invariants in 31 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/27 places, 22/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 22/22 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43 ms. Remains : 19/27 places, 22/29 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||G(F((G(p1)||(p1&&F(p2)&&X(X(!p0)))))))))'
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-02 finished in 208 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)&&((F(p1) U p2)||X(G(!p3)))))'
Support contains 7 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 1 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-7988975852526721574.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11720434052172803742.kers'
[2026-05-22 20:24:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7988975852526721574.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11720434052172803742.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 20:24:50] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11720434052172803742.kers
Total runtime 1 ms.
[2026-05-22 20:24:50] [INFO ] Implicit Places using invariants in 42 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/27 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 45 ms. Remains : 25/27 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' '!((F(p0)&&((F(p1) U p2)||X(G(p3)))))'
Stuttering acceptance computed with spot in 276 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p1), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-04
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-04 finished in 359 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 1 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 9 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 0 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 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 23 transition count 22
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 7 place count 23 transition count 19
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 17 transition count 19
Applied a total of 13 rules in 3 ms. Remains 17 /27 variables (removed 10) and now considering 19/29 (removed 10) transitions.
[2026-05-22 20:24:50] [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-2820761185980174304.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14793452780506034432.kers'
[2026-05-22 20:24:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2820761185980174304.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14793452780506034432.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 20:24:50] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14793452780506034432.kers
Total runtime 0 ms.
[2026-05-22 20:24:50] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-22 20:24:50] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:50] [INFO ] Invariant cache hit.
[2026-05-22 20:24:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:24:50] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-22 20:24:50] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 20:24:50] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:24:50] [INFO ] Invariant cache hit.
[2026-05-22 20:24:50] [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 237 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 282 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 523ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 525ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/27 places, 19/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 590 ms. Remains : 17/27 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 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-05
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-05 finished in 706 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0)&&X((p1&&X(F(p2)))))))'
Support contains 4 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 1 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-11832593430684152227.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16676505194682304597.kers'
[2026-05-22 20:24:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11832593430684152227.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16676505194682304597.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 20:24:51] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16676505194682304597.kers
Total runtime 1 ms.
[2026-05-22 20:24:51] [INFO ] Implicit Places using invariants in 32 ms returned [16, 23]
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 : 25/27 places, 29/29 transitions.
Applied a total of 0 rules in 1 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 35 ms. Remains : 25/27 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((G(p0)&&X((p1&&X(F(p2)))))))'
Stuttering acceptance computed with spot in 259 ms :[(NOT p0), (OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), true]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-06
Entered a terminal (fully accepting) state of product in 29 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-06 finished in 327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 5 edges and 27 vertex of which 4 / 27 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 25 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 25 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 21 transition count 23
Applied a total of 9 rules in 6 ms. Remains 21 /27 variables (removed 6) and now considering 23/29 (removed 6) transitions.
[2026-05-22 20:24:51] [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-9447046374283644006.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1487748007132635040.kers'
[2026-05-22 20:24:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9447046374283644006.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1487748007132635040.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 19 cols 64 entries
Finished phase 1 with 12 SingleSign rule and 0 generalized
[2026-05-22 20:24:51] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1487748007132635040.kers
Total runtime 0 ms.
[2026-05-22 20:24:51] [INFO ] Implicit Places using invariants in 27 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/27 places, 23/29 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 23/23 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 35 ms. Remains : 20/27 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((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-07
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-07 finished in 198 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!X((X(p0) U X(X(X(X(X(p0))))))) U p1))'
Support contains 5 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 1 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-6231643107813511087.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1092742273698294634.kers'
[2026-05-22 20:24:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6231643107813511087.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1092742273698294634.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 20:24:51] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1092742273698294634.kers
Total runtime 2 ms.
[2026-05-22 20:24:51] [INFO ] Implicit Places using invariants in 42 ms returned [16, 19, 23]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 43 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/27 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 44 ms. Remains : 24/27 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(p0) U X(X(X(X(X(p0))))))) U p1))'
Stuttering acceptance computed with spot in 314 ms :[(NOT p1), (OR (NOT p1) p0), p0, p0, p0, p0, p0, true]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-12
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-12 finished in 398 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0)||X(X(F(p0))))))'
Support contains 2 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 1 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:52] [INFO ] Invariant cache hit.
[2026-05-22 20:24:52] [INFO ] Implicit Places using invariants in 29 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 : 25/27 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 31 ms. Remains : 25/27 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((G(p0)||X(X(F(!p0))))))'
Stuttering acceptance computed with spot in 226 ms :[p0, false, false, p0, false]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 193 ms.
Product exploration explored 100000 steps with 33333 reset in 123 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 17 ms. Proved property starting from automaton with 5 states, 6 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 21 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-13 finished in 627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)&&X(X(F((G(F((p1&&X(p2))))||(!p2&&F((p1&&X(p2))))))))))'
Support contains 4 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 0 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:52] [INFO ] Invariant cache hit.
[2026-05-22 20:24:52] [INFO ] Implicit Places using invariants in 27 ms returned [16, 19, 23]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 29 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/27 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 30 ms. Remains : 24/27 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' '!((F(p0)&&X(X(F((G(F((p1&&X(p2))))||(!p2&&F((p1&&X(p2))))))))))'
Stuttering acceptance computed with spot in 235 ms :[(OR (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-14
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-14 finished in 302 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(G(p0))))'
Support contains 4 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 1 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:24:52] [INFO ] Invariant cache hit.
[2026-05-22 20:24:52] [INFO ] Implicit Places using invariants in 35 ms returned [16, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/27 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 38 ms. Remains : 25/27 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(G(p0))))'
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00020by00010-LTLFireability-15
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00020by00010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00020by00010-LTLFireability-15 finished in 193 ms.
All properties solved by simple procedures.
Total runtime 7227 ms.

BK_STOP 1779481493175

--------------------
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-00020by00010"
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-00020by00010, 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-177946967500028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00020by00010.tgz
mv CloudOpsManagement-PT-00020by00010 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 ;