About the Execution of ITS-Tools for CloudOpsManagement-PT-00160by00080
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 348.119 | 9712.00 | 16738.00 | 132.10 | FFFFFFFFFFFFFTFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967500052.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CloudOpsManagement-PT-00160by00080, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500052
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 9.5K Mar 6 08:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 08:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 6 08:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K 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 4.6K Mar 15 08:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 08:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 6 08:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 169K Mar 6 08:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 6 08:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:19 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-00160by00080-LTLFireability-00
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-01
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-02
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-03
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-04
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-05
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-06
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-07
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-08
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-09
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-10
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-11
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-12
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-13
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-14
FORMULA_NAME CloudOpsManagement-PT-00160by00080-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779485114227
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-00160by00080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 21:25:15] [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 21:25:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:25:15] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2026-05-22 21:25:15] [INFO ] Transformed 27 places.
[2026-05-22 21:25:15] [INFO ] Transformed 29 transitions.
[2026-05-22 21:25:15] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 125 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 5 formulas.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 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-10345120103806040505.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2310712663161794724.kers'
[2026-05-22 21:25:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10345120103806040505.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2310712663161794724.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 21:25:15] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2310712663161794724.kers
Total runtime 2 ms.
[2026-05-22 21:25:15] [INFO ] Implicit Places using invariants in 181 ms returned [16, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 215 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 239 ms. Remains : 25/27 places, 29/29 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-212910556567080843.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1806927448967697284.kers'
[2026-05-22 21:25:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-212910556567080843.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1806927448967697284.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 24 cols 82 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 21:25:15] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1806927448967697284.kers
Total runtime 0 ms.
[2026-05-22 21:25:15] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-22 21:25:15] [INFO ] Invariant cache hit.
[2026-05-22 21:25:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:15] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2026-05-22 21:25:16] [INFO ] Invariant cache hit.
[2026-05-22 21:25:16] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/25 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/53 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 1/54 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 26 unsolved in 647 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 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) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/25 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/53 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 26/62 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1/54 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/54 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/54 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 63 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1012 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1697ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1707ms
Finished structural reductions in LTL mode , in 1 iterations and 1801 ms. Remains : 25/25 places, 29/29 transitions.
Support contains 21 out of 25 places after structural reductions.
[2026-05-22 21:25:17] [INFO ] Flatten gal took : 17 ms
[2026-05-22 21:25:17] [INFO ] Flatten gal took : 6 ms
[2026-05-22 21:25:17] [INFO ] Input system was already deterministic with 29 transitions.
Support contains 20 out of 25 places (down from 21) after GAL structural reductions.
RANDOM walk for 31120 steps (6 resets) in 93 ms. (331 steps per ms) remains 0/15 properties
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||(F(p1) U p2)))'
Support contains 7 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
[2026-05-22 21:25:18] [INFO ] Invariant cache hit.
[2026-05-22 21:25:18] [INFO ] Implicit Places using invariants in 36 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/25 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 39 ms. Remains : 24/25 places, 29/29 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||(F(p1) U p2)))'
Stuttering acceptance computed with spot in 453 ms :[(AND (NOT p0) (NOT p2)), (AND p2 (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-00
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-00 finished in 583 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 !(p0 U G((X(!(F(p0) U p1))||!p2)))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
[2026-05-22 21:25:18] [INFO ] Invariant cache hit.
[2026-05-22 21:25:18] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-22 21:25:18] [INFO ] Invariant cache hit.
[2026-05-22 21:25:18] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:18] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 25/25 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 !(p0 U G((X(!(F(p0) U p1))||!p2)))))'
Stuttering acceptance computed with spot in 197 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-02
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-02 finished in 320 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 29/29 transitions.
Graph (trivial) has 13 edges and 25 vertex of which 10 / 25 are part of one of the 4 SCC in 2 ms
Free SCC test removed 6 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 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 19 transition count 20
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 19 transition count 19
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 17 transition count 19
Applied a total of 5 rules in 19 ms. Remains 17 /25 variables (removed 8) and now considering 19/29 (removed 10) transitions.
[2026-05-22 21:25:19] [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-9556555446274067200.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7433592253643071325.kers'
[2026-05-22 21:25:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9556555446274067200.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7433592253643071325.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 21:25:19] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7433592253643071325.kers
Total runtime 0 ms.
[2026-05-22 21:25:19] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 21:25:19] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 21:25:19] [INFO ] Invariant cache hit.
[2026-05-22 21:25:19] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:19] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2026-05-22 21:25:19] [INFO ] Redundant transitions in 1 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 21:25:19] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2026-05-22 21:25:19] [INFO ] Invariant cache hit.
[2026-05-22 21:25:19] [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 232 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 311 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 561ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 561ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/25 places, 19/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 645 ms. Remains : 17/25 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 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-03
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-03 finished in 746 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(G(p0)) U G(p1)))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 29/29 transitions.
Graph (trivial) has 9 edges and 25 vertex of which 7 / 25 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 21 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 21 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 19 transition count 22
Applied a total of 5 rules in 6 ms. Remains 19 /25 variables (removed 6) and now considering 22/29 (removed 7) transitions.
[2026-05-22 21:25:19] [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-11927840337316074734.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12683698025077638007.kers'
[2026-05-22 21:25:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11927840337316074734.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12683698025077638007.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 21:25:19] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12683698025077638007.kers
Total runtime 0 ms.
[2026-05-22 21:25:19] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-22 21:25:19] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2026-05-22 21:25:19] [INFO ] Invariant cache hit.
[2026-05-22 21:25:20] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:20] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2026-05-22 21:25:20] [INFO ] Redundant transitions in 1 ms returned []
Running 19 sub problems to find dead transitions.
[2026-05-22 21:25:20] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2026-05-22 21:25:20] [INFO ] Invariant cache hit.
[2026-05-22 21:25:20] [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 311 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 327 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 661ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 665ms
Starting structural reductions in SI_LTL mode, iteration 1 : 19/25 places, 22/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 764 ms. Remains : 19/25 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&&(F(G(p0)) U G(p1)))))'
Stuttering acceptance computed with spot in 192 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-04 finished in 994 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(X(!(((p0 U G(p1)) U X(X(p1))) U !p0)))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7824593832197168072.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11036571218461888483.kers'
[2026-05-22 21:25:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7824593832197168072.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11036571218461888483.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 24 cols 82 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 21:25:20] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11036571218461888483.kers
Total runtime 1 ms.
[2026-05-22 21:25:20] [INFO ] Implicit Places using invariants in 38 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/25 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 41 ms. Remains : 24/25 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(F(X(!(((p0 U G(p1)) U X(X(p1))) U !p0)))))'
Stuttering acceptance computed with spot in 286 ms :[(NOT p0), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-05 finished in 380 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 29/29 transitions.
Graph (trivial) has 9 edges and 25 vertex of which 7 / 25 are part of one of the 3 SCC in 1 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 21 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 21 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 19 transition count 22
Applied a total of 5 rules in 7 ms. Remains 19 /25 variables (removed 6) and now considering 22/29 (removed 7) transitions.
[2026-05-22 21:25:21] [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-7901325598180375165.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14597042593245134137.kers'
[2026-05-22 21:25:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7901325598180375165.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14597042593245134137.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 21:25:21] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14597042593245134137.kers
Total runtime 1 ms.
[2026-05-22 21:25:21] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-22 21:25:21] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2026-05-22 21:25:21] [INFO ] Invariant cache hit.
[2026-05-22 21:25:21] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:21] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-22 21:25:21] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/25 places, 22/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 79 ms. Remains : 19/25 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(p0)))'
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-06 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' '!(((p0 U (p1 U X(!p0)))&&X(X(X((p0||G(p2)))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10231287950040325255.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6808245016582369262.kers'
[2026-05-22 21:25:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10231287950040325255.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6808245016582369262.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 24 cols 82 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 21:25:21] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6808245016582369262.kers
Total runtime 0 ms.
[2026-05-22 21:25:21] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-22 21:25:21] [INFO ] Invariant cache hit.
[2026-05-22 21:25:21] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-22 21:25:21] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2026-05-22 21:25:21] [INFO ] Invariant cache hit.
[2026-05-22 21:25:21] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/25 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/53 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 1/54 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 26 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 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) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/25 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/53 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 26/62 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1/54 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/54 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/54 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 63 constraints, problems are : Problem set: 0 solved, 26 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 844ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 844ms
Finished structural reductions in LTL mode , in 1 iterations and 916 ms. Remains : 25/25 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 (p1 U X(!p0)))&&X(X(X((p0||G(p2)))))))'
Stuttering acceptance computed with spot in 371 ms :[(OR (NOT p2) p0), p0, (AND (NOT p2) (NOT p0)), p0, p0, true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-07
Entered a terminal (fully accepting) state of product in 7 steps with 2 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-07 finished in 1337 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 X(p1))&&X(X((!p0&&X((!p0 U (!p1||G(!p0)))))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
[2026-05-22 21:25:22] [INFO ] Invariant cache hit.
[2026-05-22 21:25:22] [INFO ] Implicit Places using invariants in 32 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/25 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 34 ms. Remains : 24/25 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 X(p1))&&X(X((!p0&&X((!p0 U (!p1||G(!p0)))))))))'
Stuttering acceptance computed with spot in 259 ms :[(OR (NOT p1) p0), (NOT p1), p0, (NOT p1), true, p0, (AND p0 p1)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-09 finished in 326 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)))'
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
[2026-05-22 21:25:23] [INFO ] Invariant cache hit.
[2026-05-22 21:25:23] [INFO ] Implicit Places using invariants in 32 ms returned [21]
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 : 24/25 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 35 ms. Remains : 24/25 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)))'
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-10 finished in 156 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||X(X(p1))) U X(G(p2))) U X((p3||F(p0)))))'
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 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.
[2026-05-22 21:25:23] [INFO ] Invariant cache hit.
[2026-05-22 21:25:23] [INFO ] Implicit Places using invariants in 33 ms returned [21]
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 : 24/25 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 : 24/25 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))||p1) U X(G(p2))) U X((F(p1)||p3))))'
Stuttering acceptance computed with spot in 324 ms :[(AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2) p0)]
Running random walk in product with property : CloudOpsManagement-PT-00160by00080-LTLFireability-12
Product exploration explored 100000 steps with 19169 reset in 203 ms.
Stack based approach found an accepted trace after 52 steps with 10 reset with depth 9 and stack size 9 in 1 ms.
FORMULA CloudOpsManagement-PT-00160by00080-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property CloudOpsManagement-PT-00160by00080-LTLFireability-12 finished in 618 ms.
All properties solved by simple procedures.
Total runtime 8499 ms.
BK_STOP 1779485123939
--------------------
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-00160by00080"
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-00160by00080, 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-177946967500052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00160by00080.tgz
mv CloudOpsManagement-PT-00160by00080 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 '
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 ;