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-177946967500036.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-00040by00020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500036
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 9.1K Mar 6 08:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 08:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 08:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 4.7K Mar 15 08:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 08:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 08:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 6 08:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 6 08:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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-00040by00020-LTLFireability-00
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-01
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-02
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-03
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-04
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-05
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-06
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-07
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-08
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-09
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-10
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-11
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-12
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-13
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-14
FORMULA_NAME CloudOpsManagement-PT-00040by00020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779481502815

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-00040by00020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 20:25:03] [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 20:25:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:25:04] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2026-05-22 20:25:04] [INFO ] Transformed 27 places.
[2026-05-22 20:25:04] [INFO ] Transformed 29 transitions.
[2026-05-22 20:25:04] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 117 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 4 formulas.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 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 7 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-13031628510757033373.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-417107763098354751.kers'
[2026-05-22 20:25:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13031628510757033373.kers, --Pflows, --basisKERS=/tmp/petrispot-output-417107763098354751.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 20:25:04] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-417107763098354751.kers
Total runtime 1 ms.
[2026-05-22 20:25:04] [INFO ] Implicit Places using invariants in 144 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 177 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 199 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-4144368876216712588.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3368014812224302385.kers'
[2026-05-22 20:25:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4144368876216712588.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3368014812224302385.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 20:25:04] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3368014812224302385.kers
Total runtime 0 ms.
[2026-05-22 20:25:04] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 20:25:04] [INFO ] Invariant cache hit.
[2026-05-22 20:25:04] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:25:04] [INFO ] Implicit Places using invariants and state equation in 51 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 20:25:04] [INFO ] Invariant cache hit.
[2026-05-22 20:25:04] [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
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 686 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 554 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 1266ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1276ms
Finished structural reductions in LTL mode , in 1 iterations and 1382 ms. Remains : 26/26 places, 29/29 transitions.
Support contains 22 out of 26 places after structural reductions.
[2026-05-22 20:25:05] [INFO ] Flatten gal took : 17 ms
[2026-05-22 20:25:05] [INFO ] Flatten gal took : 6 ms
[2026-05-22 20:25:05] [INFO ] Input system was already deterministic with 29 transitions.
Reduction of identical properties reduced properties to check from 22 to 19
RANDOM walk for 37116 steps (8 resets) in 136 ms. (270 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' '!(X(((G(p0) U p1)&&X(X(X(F(!p1)))))))'
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 0 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:25:06] [INFO ] Invariant cache hit.
[2026-05-22 20:25:06] [INFO ] Implicit Places using invariants in 32 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 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 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 : 25/26 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(((G(p0) U p1)&&X(X(X(F(!p1)))))))'
Stuttering acceptance computed with spot in 436 ms :[true, true, true, (NOT p0), (NOT p1), p1, p1, p1]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-01
Stuttering criterion allowed to conclude after 27 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-01 finished in 550 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 p1)) U X((p2||G(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 20:25:07] [INFO ] Invariant cache hit.
[2026-05-22 20:25:07] [INFO ] Implicit Places using invariants in 31 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 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 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' '!((G((G(!p0) U p1)) U X((p2||G(p0)))))'
Stuttering acceptance computed with spot in 396 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), true, (NOT p0), p0, (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 191 ms.
Product exploration explored 100000 steps with 50000 reset in 139 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 17 factoid took 15 ms. Proved property starting from automaton with 10 states, 31 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-02 finished in 885 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 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 29/29 transitions.
Graph (trivial) has 7 edges and 26 vertex of which 6 / 26 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 23 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 23 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 19 transition count 22
Applied a total of 9 rules in 17 ms. Remains 19 /26 variables (removed 7) and now considering 22/29 (removed 7) transitions.
[2026-05-22 20:25:08] [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-5809262360199890329.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15096532333373963177.kers'
[2026-05-22 20:25:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5809262360199890329.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15096532333373963177.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 16 cols 53 entries
Finished phase 1 with 11 SingleSign rule and 0 generalized
[2026-05-22 20:25:08] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15096532333373963177.kers
Total runtime 0 ms.
[2026-05-22 20:25:08] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-22 20:25:08] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2026-05-22 20:25:08] [INFO ] Invariant cache hit.
[2026-05-22 20:25:08] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:25:08] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-22 20:25:08] [INFO ] Redundant transitions in 0 ms returned []
Running 19 sub problems to find dead transitions.
[2026-05-22 20:25:08] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2026-05-22 20:25:08] [INFO ] Invariant cache hit.
[2026-05-22 20:25:08] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 3/19 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 18/37 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 1/38 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/38 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 0/38 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 30 constraints, problems are : Problem set: 0 solved, 19 unsolved in 270 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 3/19 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 18/37 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 19/48 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 1/38 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/38 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (OVERLAPS) 0/38 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 49 constraints, problems are : Problem set: 0 solved, 19 unsolved in 349 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 627ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 628ms
Starting structural reductions in SI_LTL mode, iteration 1 : 19/26 places, 22/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 709 ms. Remains : 19/26 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' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-03
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-03 finished in 812 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(p0))||(G((p2||X(G(!p2))))&&p1))))'
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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2190272698963511977.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9682907087664336500.kers'
[2026-05-22 20:25:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2190272698963511977.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9682907087664336500.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 20:25:08] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9682907087664336500.kers
Total runtime 0 ms.
[2026-05-22 20:25:08] [INFO ] Implicit Places using invariants in 28 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 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 31 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(p0))||(G((p2||X(G(!p2))))&&p1))))'
Stuttering acceptance computed with spot in 209 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, (AND (NOT p0) p2), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-04
Stuttering criterion allowed to conclude after 37 steps with 7 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-04 finished in 266 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 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 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 5 ms. Remains 17 /26 variables (removed 9) and now considering 19/29 (removed 10) transitions.
[2026-05-22 20:25:09] [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-10695517055299181456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1744627425233914298.kers'
[2026-05-22 20:25:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10695517055299181456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1744627425233914298.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 20:25:09] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1744627425233914298.kers
Total runtime 0 ms.
[2026-05-22 20:25:09] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 20:25:09] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:25:09] [INFO ] Invariant cache hit.
[2026-05-22 20:25:09] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 20:25:09] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-22 20:25:09] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 20:25:09] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 20:25:09] [INFO ] Invariant cache hit.
[2026-05-22 20:25:09] [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 226 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 248 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 481ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 482ms
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 550 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 39 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-05 finished in 612 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 U (p2||G(!p1)))))||p0)))'
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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18437297045191581073.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16484853992119312.kers'
[2026-05-22 20:25:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18437297045191581073.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16484853992119312.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 20:25:09] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16484853992119312.kers
Total runtime 0 ms.
[2026-05-22 20:25:09] [INFO ] Implicit Places using invariants in 32 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 34 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 36 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 U (p2||G(!p1)))))||p0)))'
Stuttering acceptance computed with spot in 134 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 64 ms.
Product exploration explored 100000 steps with 50000 reset in 76 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 118 ms. Proved property starting from automaton with 3 states, 4 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 119 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-07 finished in 459 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 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 2 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:25:10] [INFO ] Invariant cache hit.
[2026-05-22 20:25:10] [INFO ] Implicit Places using invariants in 33 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 34 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 36 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(G(p0))))'
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-08 finished in 191 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(((p1 U !p2)&&p0))))'
Support contains 7 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 0 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 20:25:10] [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-4876415033188173471.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10102061644222303693.kers'
[2026-05-22 20:25:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4876415033188173471.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10102061644222303693.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 20:25:10] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10102061644222303693.kers
Total runtime 0 ms.
[2026-05-22 20:25:10] [INFO ] Implicit Places using invariants in 29 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/26 places, 22/29 transitions.
Applied a total of 0 rules in 3 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 39 ms. Remains : 19/26 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(G(((p1 U !p2)&&p0))))'
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p0) p2), p2]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-09 finished in 152 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((X(G(p0))&&p1))) U p0)))'
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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12127547477596536149.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2204482389951981177.kers'
[2026-05-22 20:25:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12127547477596536149.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2204482389951981177.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 20:25:10] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2204482389951981177.kers
Total runtime 0 ms.
[2026-05-22 20:25:10] [INFO ] Implicit Places using invariants in 31 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((X(G(p0))&&p1))) U p0)))'
Stuttering acceptance computed with spot in 208 ms :[(NOT p0), (NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Product exploration explored 100000 steps with 50000 reset in 62 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 16 ms. Proved property starting from automaton with 6 states, 9 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-10 finished in 416 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(p1)&&p0) U (X(X((p2 U p3))) U ((p4&&X(X((p2 U p3))))||X(X(G((p2 U p3))))))))'
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 2 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:25:10] [INFO ] Invariant cache hit.
[2026-05-22 20:25:10] [INFO ] Implicit Places using invariants in 28 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 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 32 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' '!(((F(p1)&&p0) U (X(X((p2 U p3))) U (X(X(G((p2 U p3))))||(p4&&X(X((p2 U p3))))))))'
Stuttering acceptance computed with spot in 857 ms :[(NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p3), true, (NOT p1)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-12 finished in 974 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' '!(((p0 U ((p2 U !p0)&&X(p3)&&p1))&&F(p4)))'
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 0 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:25:11] [INFO ] Invariant cache hit.
[2026-05-22 20:25:11] [INFO ] Implicit Places using invariants in 30 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 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 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' '!(((p0 U ((p2 U !p0)&&X(p3)&&p1))&&F(p4)))'
Stuttering acceptance computed with spot in 308 ms :[(OR (NOT p1) (NOT p4) (NOT p3) p0), true, (NOT p3), (OR (NOT p1) (NOT p3) p0), (NOT p4), p0, (OR (AND (NOT p0) (NOT p3)) (AND p2 (NOT p3)))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 91 ms.
Product exploration explored 100000 steps with 50000 reset in 97 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 17 factoid took 434 ms. Proved property starting from automaton with 7 states, 20 edges and 5 AP (stutter sensitive
Knowledge-based reduction took 436 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-13 finished in 1003 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!(!(X(X(p0))&&p1) U (p0 U p2)))))'
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 2 ms. Remains 26 /26 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2026-05-22 20:25:12] [INFO ] Invariant cache hit.
[2026-05-22 20:25:12] [INFO ] Implicit Places using invariants in 25 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(F(!(!(X(X(p0))&&p1) U (p0 U p2)))))'
Stuttering acceptance computed with spot in 299 ms :[p2, p2, (AND (NOT p0) p2), p2, (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-15
Stuttering criterion allowed to conclude after 28 steps with 2 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-15 finished in 373 ms.
All properties solved by simple procedures.
Total runtime 9304 ms.

BK_STOP 1779481513284

--------------------
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-00040by00020"
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-00040by00020, 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-177946967500036"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00040by00020.tgz
mv CloudOpsManagement-PT-00040by00020 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 ;