Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854027900132.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
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 r044-tall-174854027900132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 13 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 17K May 29 14:32 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 1748566838939

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 202505121319
[2025-05-30 01:00:40] [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]
[2025-05-30 01:00:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 01:00:40] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2025-05-30 01:00:40] [INFO ] Transformed 27 places.
[2025-05-30 01:00:40] [INFO ] Transformed 29 transitions.
[2025-05-30 01:00:40] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 118 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 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.
// Phase 1: matrix 29 rows 27 cols
[2025-05-30 01:00:40] [INFO ] Computed 11 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:40] [INFO ] Implicit Places using invariants in 166 ms returned [16, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 198 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 221 ms. Remains : 25/27 places, 29/29 transitions.
Support contains 23 out of 25 places after structural reductions.
[2025-05-30 01:00:40] [INFO ] Flatten gal took : 16 ms
[2025-05-30 01:00:40] [INFO ] Flatten gal took : 5 ms
[2025-05-30 01:00:40] [INFO ] Input system was already deterministic with 29 transitions.
Reduction of identical properties reduced properties to check from 23 to 20
RANDOM walk for 16191 steps (4 resets) in 126 ms. (127 steps per ms) remains 0/20 properties
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-00 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_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((X(X(p1))||(X(G(p2)) U 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.
// Phase 1: matrix 29 rows 25 cols
[2025-05-30 01:00:41] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:41] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 01:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:41] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:41] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2025-05-30 01:00:41] [INFO ] Invariant cache hit.
[2025-05-30 01:00:41] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 570 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 804 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 1404ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1413ms
Finished structural reductions in LTL mode , in 1 iterations and 1525 ms. Remains : 25/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 604 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-01
Product exploration explored 100000 steps with 25000 reset in 190 ms.
Product exploration explored 100000 steps with 25000 reset in 128 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 106 ms. Reduced automaton from 13 states, 29 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 19062 steps (4 resets) in 16 ms. (1121 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 8 factoid took 106 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 141 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Support contains 1 out of 25 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 29/29 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2025-05-30 01:00:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:44] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 01:00:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:44] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:44] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 26 sub problems to find dead transitions.
[2025-05-30 01:00:44] [INFO ] Invariant cache hit.
[2025-05-30 01:00:44] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 416 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 453 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 882ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 882ms
Finished structural reductions in LTL mode , in 1 iterations and 957 ms. Remains : 25/25 places, 29/29 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p1]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 74 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 5474 steps (1 resets) in 18 ms. (288 steps per ms) remains 0/1 properties
Knowledge obtained : [p1]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 1 factoid took 99 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 147 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 149 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 25000 reset in 150 ms.
Product exploration explored 100000 steps with 25000 reset in 112 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 140 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
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 5 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
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 21 transition count 23
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 3 rules in 26 ms. Remains 21 /25 variables (removed 4) and now considering 23/29 (removed 6) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 01:00:46] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-05-30 01:00:46] [INFO ] Flow matrix only has 20 transitions (discarded 3 similar events)
// Phase 1: matrix 20 rows 21 cols
[2025-05-30 01:00:46] [INFO ] Computed 9 invariants in 0 ms
[2025-05-30 01:00:46] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 3/21 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Problem TDEAD20 is UNSAT
At refinement iteration 4 (OVERLAPS) 19/40 variables, 21/30 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 2/32 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/32 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 1/41 variables, 1/33 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/41 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 0/41 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 33 constraints, problems are : Problem set: 1 solved, 19 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 21/21 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 4/21 variables, 8/9 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 19/40 variables, 21/30 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 2/32 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 19/51 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/51 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 1/41 variables, 1/52 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/41 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 0/41 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 52 constraints, problems are : Problem set: 1 solved, 19 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 21/21 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 19/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 594ms problems are : Problem set: 1 solved, 19 unsolved
Search for dead transitions found 1 dead transitions in 595ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 21/25 places, 22/29 transitions.
Graph (complete) has 62 edges and 21 vertex of which 20 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 9 ms. Remains 19 /21 variables (removed 2) and now considering 22/22 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/25 places, 22/29 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 642 ms. Remains : 19/25 places, 22/29 transitions.
Built C files in :
/tmp/ltsmin1152242118442530927
[2025-05-30 01:00:47] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1152242118442530927
Running compilation step : cd /tmp/ltsmin1152242118442530927;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 195 ms.
Running link step : cd /tmp/ltsmin1152242118442530927;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin1152242118442530927;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13947041673167122337.hoa' '--buchi-type=spotba'
LTSmin run took 389 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-01 finished in 6870 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((F(p0) U p1) U X(X(p0))))))'
Support contains 3 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 0 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 3 ms. Remains 17 /25 variables (removed 8) and now considering 19/29 (removed 10) transitions.
[2025-05-30 01:00:48] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2025-05-30 01:00:48] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:48] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 01:00:48] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:48] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 01:00:48] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-05-30 01:00:48] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:48] [INFO ] Invariant cache hit.
[2025-05-30 01:00:48] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 1/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (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 207 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (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 241 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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 462ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 463ms
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 525 ms. Remains : 17/25 places, 19/29 transitions.
Stuttering acceptance computed with spot in 326 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-03
Product exploration explored 100000 steps with 25025 reset in 193 ms.
Product exploration explored 100000 steps with 24997 reset in 142 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 103 ms. Reduced automaton from 8 states, 19 edges and 2 AP (stutter insensitive) to 7 states, 21 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 227 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false, false]
RANDOM walk for 721 steps (0 resets) in 8 ms. (80 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 182 ms. Reduced automaton from 7 states, 21 edges and 2 AP (stutter insensitive) to 6 states, 19 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 192 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Stuttering acceptance computed with spot in 212 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Support contains 3 out of 17 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 17/17 places, 19/19 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 19/19 (removed 0) transitions.
[2025-05-30 01:00:50] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:50] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 01:00:50] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:50] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 01:00:50] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-05-30 01:00:50] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:50] [INFO ] Invariant cache hit.
[2025-05-30 01:00:50] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 1/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (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 191 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 44 constraints, problems are : Problem set: 0 solved, 16 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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 455ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 456ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 519 ms. Remains : 17/17 places, 19/19 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 101 ms. Reduced automaton from 6 states, 19 edges and 2 AP (stutter insensitive) to 6 states, 18 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
RANDOM walk for 8202 steps (3 resets) in 14 ms. (546 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 243 ms. Reduced automaton from 6 states, 18 edges and 2 AP (stutter insensitive) to 6 states, 18 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 232 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Stuttering acceptance computed with spot in 236 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Stuttering acceptance computed with spot in 254 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), false]
Stuttering criterion allowed to conclude after 451 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-03 finished in 4040 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 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 11 edges and 25 vertex of which 8 / 25 are part of one of the 3 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Applied a total of 1 rules in 2 ms. Remains 20 /25 variables (removed 5) and now considering 22/29 (removed 7) transitions.
[2025-05-30 01:00:52] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
// Phase 1: matrix 19 rows 20 cols
[2025-05-30 01:00:52] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:52] [INFO ] Implicit Places using invariants in 30 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/25 places, 22/29 transitions.
Applied a total of 0 rules in 2 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 36 ms. Remains : 19/25 places, 22/29 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-04 finished in 98 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((F(X(X(p0))) U p1))&&F((G(p2)||p2))))'
Support contains 5 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.
// Phase 1: matrix 29 rows 25 cols
[2025-05-30 01:00:52] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:52] [INFO ] Implicit Places using invariants in 30 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 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 2 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.
Stuttering acceptance computed with spot in 188 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-05
Stuttering criterion allowed to conclude after 27 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 236 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 3 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 1 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 10 ms. Remains 17 /25 variables (removed 8) and now considering 19/29 (removed 10) transitions.
[2025-05-30 01:00:52] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2025-05-30 01:00:52] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:52] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 01:00:52] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:52] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:52] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 01:00:52] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-05-30 01:00:52] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 01:00:52] [INFO ] Invariant cache hit.
[2025-05-30 01:00:52] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 1/32 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/32 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 28 constraints, problems are : Problem set: 0 solved, 16 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3/17 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 14/31 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (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 244 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 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 448ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 448ms
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 512 ms. Remains : 17/25 places, 19/29 transitions.
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-06
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-06 finished in 607 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||X(p1))))'
Support contains 5 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.
// Phase 1: matrix 29 rows 25 cols
[2025-05-30 01:00:53] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:53] [INFO ] Implicit Places using invariants in 32 ms returned [18]
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 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 34 ms. Remains : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 167 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-07 finished in 218 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((X(F(p1))&&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 0 ms. Remains 25 /25 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2025-05-30 01:00:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:53] [INFO ] Implicit Places using invariants in 31 ms returned [18]
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 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 : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 163 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-08
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-08 finished in 211 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((X((!p0&&G(!p1)))||F(p2))) U X(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 1 ms. Remains 25 /25 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2025-05-30 01:00:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:53] [INFO ] Implicit Places using invariants in 27 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 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 29 ms. Remains : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 277 ms :[(NOT p2), (NOT p2), (NOT p2), (OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), (NOT p2), (OR (AND p0 (NOT p2)) (AND p1 (NOT p2)))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-09
Stuttering criterion allowed to conclude after 11 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 330 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((F(G(p1)) U !p2)&&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.
[2025-05-30 01:00:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:53] [INFO ] Implicit Places using invariants in 34 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 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 38 ms. Remains : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), p2]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-11
Stuttering criterion allowed to conclude after 28 steps with 6 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-11 finished in 248 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/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 11 edges and 25 vertex of which 8 / 25 are part of one of the 3 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 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 20 transition count 21
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 20 transition count 20
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 18 transition count 20
Applied a total of 5 rules in 4 ms. Remains 18 /25 variables (removed 7) and now considering 20/29 (removed 9) transitions.
[2025-05-30 01:00:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
// Phase 1: matrix 17 rows 18 cols
[2025-05-30 01:00:54] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:54] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 01:00:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2025-05-30 01:00:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 01:00:54] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 01:00:54] [INFO ] Redundant transitions in 0 ms returned []
Running 17 sub problems to find dead transitions.
[2025-05-30 01:00:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2025-05-30 01:00:54] [INFO ] Invariant cache hit.
[2025-05-30 01:00:54] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 3/18 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 1/35 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 3/18 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 16/34 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 17/45 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 1/35 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 0/35 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 46 constraints, problems are : Problem set: 0 solved, 17 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 18/18 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 458ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 458ms
Starting structural reductions in SI_LTL mode, iteration 1 : 18/25 places, 20/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 530 ms. Remains : 18/25 places, 20/29 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-12
Stuttering criterion allowed to conclude after 1176 steps with 0 reset in 6 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-12 finished in 582 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(!p1)&&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 0 ms. Remains 25 /25 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 25 cols
[2025-05-30 01:00:54] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:54] [INFO ] Implicit Places using invariants in 25 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 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 27 ms. Remains : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 76 ms :[(OR (NOT p0) p1), p1]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-13
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-13 finished in 117 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)&&X(F(p1))))'
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.
[2025-05-30 01:00:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:54] [INFO ] Implicit Places using invariants in 28 ms returned [18]
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 : 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 31 ms. Remains : 24/25 places, 29/29 transitions.
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-14
Stuttering criterion allowed to conclude after 19 steps with 2 reset in 0 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-14 finished in 162 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1)&&F((G(p2)||G(p3)))))'
Support contains 6 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 7 edges and 25 vertex of which 6 / 25 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Applied a total of 1 rules in 3 ms. Remains 22 /25 variables (removed 3) and now considering 26/29 (removed 3) transitions.
[2025-05-30 01:00:55] [INFO ] Flow matrix only has 23 transitions (discarded 3 similar events)
// Phase 1: matrix 23 rows 22 cols
[2025-05-30 01:00:55] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 01:00:55] [INFO ] Implicit Places using invariants in 25 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/25 places, 26/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 26/26 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30 ms. Remains : 21/25 places, 26/29 transitions.
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : CloudOpsManagement-PT-00040by00020-LTLFireability-15
Stuttering criterion allowed to conclude after 749 steps with 0 reset in 6 ms.
FORMULA CloudOpsManagement-PT-00040by00020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-00040by00020-LTLFireability-15 finished in 226 ms.
All properties solved by simple procedures.
Total runtime 15178 ms.

BK_STOP 1748566855340

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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 2-5832"
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 r044-tall-174854027900132"
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 ;