Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264100388.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 RingSingleMessageInMbox-PT-d0m040, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264100388
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 64K 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 RingSingleMessageInMbox-PT-d0m040-LTLFireability-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749067095140

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d0m040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 19:58:16] [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]
[2025-06-04 19:58:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 19:58:16] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2025-06-04 19:58:16] [INFO ] Transformed 385 places.
[2025-06-04 19:58:16] [INFO ] Transformed 59 transitions.
[2025-06-04 19:58:16] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 159 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 329 places in 1 ms
Reduce places removed 329 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 59/59 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 59
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 7 place count 49 transition count 54
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 49 transition count 54
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 48 transition count 53
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 48 transition count 53
Applied a total of 14 rules in 26 ms. Remains 48 /56 variables (removed 8) and now considering 53/59 (removed 6) transitions.
// Phase 1: matrix 53 rows 48 cols
[2025-06-04 19:58:16] [INFO ] Computed 3 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:17] [INFO ] Implicit Places using invariants in 235 ms returned []
[2025-06-04 19:58:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:17] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-04 19:58:17] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 384 ms to find 0 implicit places.
Running 52 sub problems to find dead transitions.
[2025-06-04 19:58:17] [INFO ] Invariant cache hit.
[2025-06-04 19:58:17] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/48 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD50 is UNSAT
At refinement iteration 4 (OVERLAPS) 53/101 variables, 48/51 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 25/76 constraints. Problems are: Problem set: 5 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:17] [INFO ] Deduced a trap composed of 26 places in 42 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 1/77 constraints. Problems are: Problem set: 5 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:18] [INFO ] Deduced a trap along path composed of 6 places in 31 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 1/78 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 0/78 constraints. Problems are: Problem set: 5 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:18] [INFO ] Deduced a trap along path composed of 8 places in 24 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/101 variables, 1/79 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 0/79 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/101 variables, 0/79 constraints. Problems are: Problem set: 5 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 101/101 variables, and 79 constraints, problems are : Problem set: 5 solved, 47 unsolved in 2480 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 48/48 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 5 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 1 (OVERLAPS) 2/45 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 3/48 variables, 1/3 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/4 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/4 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 53/101 variables, 48/52 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 25/77 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 47/124 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 2/126 constraints. Problems are: Problem set: 5 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:21] [INFO ] Deduced a trap along path composed of 18 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 1/127 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/101 variables, 0/127 constraints. Problems are: Problem set: 5 solved, 47 unsolved
At refinement iteration 12 (OVERLAPS) 0/101 variables, 0/127 constraints. Problems are: Problem set: 5 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 101/101 variables, and 127 constraints, problems are : Problem set: 5 solved, 47 unsolved in 5534 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 48/48 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 47/52 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 8079ms problems are : Problem set: 5 solved, 47 unsolved
Search for dead transitions found 5 dead transitions in 8097ms
Found 5 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 5 transitions
Dead transitions reduction (with SMT) removed 5 transitions
Starting structural reductions in LTL mode, iteration 1 : 48/56 places, 48/59 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 48
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 2 rules in 2 ms. Remains 46 /48 variables (removed 2) and now considering 48/48 (removed 0) transitions.
// Phase 1: matrix 48 rows 46 cols
[2025-06-04 19:58:25] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:25] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 19:58:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:25] [INFO ] State equation strengthened by 23 read => feed constraints.
[2025-06-04 19:58:25] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 46/56 places, 48/59 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 8630 ms. Remains : 46/56 places, 48/59 transitions.
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Support contains 23 out of 45 places after structural reductions.
[2025-06-04 19:58:25] [INFO ] Flatten gal took : 19 ms
[2025-06-04 19:58:25] [INFO ] Flatten gal took : 8 ms
[2025-06-04 19:58:25] [INFO ] Input system was already deterministic with 48 transitions.
Support contains 21 out of 45 places (down from 23) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 20 to 19
RANDOM walk for 40000 steps (8581 resets) in 1134 ms. (35 steps per ms) remains 3/19 properties
BEST_FIRST walk for 40002 steps (2109 resets) in 313 ms. (127 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (3803 resets) in 362 ms. (110 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (1717 resets) in 90 ms. (439 steps per ms) remains 3/3 properties
// Phase 1: matrix 48 rows 45 cols
[2025-06-04 19:58:26] [INFO ] Computed 3 invariants in 2 ms
[2025-06-04 19:58:26] [INFO ] State equation strengthened by 23 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp16 is UNSAT
At refinement iteration 1 (OVERLAPS) 16/24 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/33 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:26] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:26] [INFO ] Deduced a trap composed of 8 places in 37 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 2/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 38/71 variables, 33/38 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 13/51 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 0/51 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem AtomicPropp2 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 21/92 variables, 11/62 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 10/72 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/72 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Real declared 93/93 variables, and 73 constraints, problems are : Problem set: 3 solved, 0 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 45/45 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 223ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 10 simplifications.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 6 stabilizing places and 12 stable transitions
Graph (complete) has 135 edges and 45 vertex of which 43 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(X(F(!p0)))&&F((!p1 U (p2||G(!p1)))))||G(F(!p0)))))'
Support contains 6 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 43 transition count 47
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 43 transition count 47
Applied a total of 3 rules in 2 ms. Remains 43 /45 variables (removed 2) and now considering 47/48 (removed 1) transitions.
// Phase 1: matrix 47 rows 43 cols
[2025-06-04 19:58:26] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:27] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 19:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:27] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:58:27] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 19:58:27] [INFO ] Invariant cache hit.
[2025-06-04 19:58:27] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:27] [INFO ] Deduced a trap along path composed of 6 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 68 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1144 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 46/113 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 114 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2916 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4085ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 4087ms
Starting structural reductions in LTL mode, iteration 1 : 43/45 places, 47/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4207 ms. Remains : 43/45 places, 47/48 transitions.
Stuttering acceptance computed with spot in 391 ms :[p0, p0, p0, (AND (NOT p2) p0 p1), p0, (AND (NOT p2) p0 p1)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-01
Product exploration explored 100000 steps with 28504 reset in 206 ms.
Product exploration explored 100000 steps with 28551 reset in 143 ms.
Computed a total of 5 stabilizing places and 12 stable transitions
Graph (complete) has 131 edges and 43 vertex of which 42 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 5 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (NOT p0)), (X p2), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT p0))), (X (X p2)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 91 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[p0, p0, p0, p0]
RANDOM walk for 49 steps (10 resets) in 5 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (NOT p0)), (X p2), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT p0))), (X (X p2)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 7 factoid took 117 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 149 ms :[p0, p0, p0, p0]
Support contains 2 out of 43 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 47/47 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 47/47 (removed 0) transitions.
[2025-06-04 19:58:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:32] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-04 19:58:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:32] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:58:32] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 19:58:32] [INFO ] Invariant cache hit.
[2025-06-04 19:58:32] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:33] [INFO ] Deduced a trap along path composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 68 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1247 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 46/113 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 114 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2893 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4160ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 4161ms
Finished structural reductions in LTL mode , in 1 iterations and 4285 ms. Remains : 43/43 places, 47/47 transitions.
Computed a total of 5 stabilizing places and 12 stable transitions
Graph (complete) has 131 edges and 43 vertex of which 42 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 5 stabilizing places and 12 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 89 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[p0, p0, p0, p0]
RANDOM walk for 32 steps (5 resets) in 5 ms. (5 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 1 factoid took 98 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 142 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 157 ms :[p0, p0, p0, p0]
Product exploration explored 100000 steps with 28530 reset in 73 ms.
Product exploration explored 100000 steps with 28541 reset in 94 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 149 ms :[p0, p0, p0, p0]
Support contains 2 out of 43 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 43/43 places, 47/47 transitions.
Applied a total of 0 rules in 17 ms. Remains 43 /43 variables (removed 0) and now considering 47/47 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:58:38] [INFO ] Redundant transitions in 1 ms returned []
Running 46 sub problems to find dead transitions.
[2025-06-04 19:58:38] [INFO ] Invariant cache hit.
[2025-06-04 19:58:38] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:38] [INFO ] Deduced a trap along path composed of 6 places in 43 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 68 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1157 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 46/113 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 114 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2989 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4162ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 4162ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 4186 ms. Remains : 43/43 places, 47/47 transitions.
Built C files in :
/tmp/ltsmin1958897218788122929
[2025-06-04 19:58:42] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1958897218788122929
Running compilation step : cd /tmp/ltsmin1958897218788122929;'/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 289 ms.
Running link step : cd /tmp/ltsmin1958897218788122929;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin1958897218788122929;'/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/stateBased13512965694497043695.hoa' '--buchi-type=spotba'
LTSmin run took 2461 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-01 finished in 18443 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(p0)))'
Support contains 2 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 42 transition count 44
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 42 transition count 44
Applied a total of 5 rules in 6 ms. Remains 42 /45 variables (removed 3) and now considering 44/48 (removed 4) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:58:45] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:45] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-04 19:58:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:45] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:58:45] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:58:45] [INFO ] Invariant cache hit.
[2025-06-04 19:58:45] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:46] [INFO ] Deduced a trap along path composed of 6 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1093 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1984 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3115ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3115ms
Starting structural reductions in LTL mode, iteration 1 : 42/45 places, 44/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3271 ms. Remains : 42/45 places, 44/48 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-03
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-03 finished in 3351 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((p0 U (F(X((F(p0)&&p1))) U p2))))'
Support contains 3 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 43 transition count 45
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 43 transition count 45
Applied a total of 3 rules in 2 ms. Remains 43 /45 variables (removed 2) and now considering 45/48 (removed 3) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:58:48] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:48] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-04 19:58:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-04 19:58:48] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-04 19:58:48] [INFO ] Invariant cache hit.
[2025-06-04 19:58:48] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (OVERLAPS) 1/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 45/88 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:49] [INFO ] Deduced a trap along path composed of 6 places in 45 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 66 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (OVERLAPS) 1/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 45/88 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 44/109 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (OVERLAPS) 0/88 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 110 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2091 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3189ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3189ms
Starting structural reductions in LTL mode, iteration 1 : 43/45 places, 45/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3324 ms. Remains : 43/45 places, 45/48 transitions.
Stuttering acceptance computed with spot in 193 ms :[(NOT p2), (NOT p0), (NOT p2), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-05 finished in 3531 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) U p2))'
Support contains 5 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Graph (complete) has 135 edges and 45 vertex of which 44 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 42 transition count 44
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 42 transition count 44
Applied a total of 5 rules in 5 ms. Remains 42 /45 variables (removed 3) and now considering 44/48 (removed 4) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:58:52] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:52] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-04 19:58:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:52] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:58:52] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:58:52] [INFO ] Redundant transitions in 0 ms returned []
Running 43 sub problems to find dead transitions.
[2025-06-04 19:58:52] [INFO ] Invariant cache hit.
[2025-06-04 19:58:52] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:52] [INFO ] Deduced a trap along path composed of 6 places in 19 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1063 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1900 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3001ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3002ms
Starting structural reductions in SI_LTL mode, iteration 1 : 42/45 places, 44/48 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3136 ms. Remains : 42/45 places, 44/48 transitions.
Stuttering acceptance computed with spot in 107 ms :[(NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-07
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-07 finished in 3257 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)&&F(G(!p1)))))'
Support contains 3 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Graph (complete) has 135 edges and 45 vertex of which 44 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 42 transition count 44
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 42 transition count 44
Applied a total of 5 rules in 5 ms. Remains 42 /45 variables (removed 3) and now considering 44/48 (removed 4) transitions.
[2025-06-04 19:58:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:55] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 19:58:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:55] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:58:55] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:58:55] [INFO ] Redundant transitions in 0 ms returned []
Running 43 sub problems to find dead transitions.
[2025-06-04 19:58:55] [INFO ] Invariant cache hit.
[2025-06-04 19:58:55] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:56] [INFO ] Deduced a trap along path composed of 6 places in 29 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1896 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2987ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2988ms
Starting structural reductions in SI_LTL mode, iteration 1 : 42/45 places, 44/48 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3125 ms. Remains : 42/45 places, 44/48 transitions.
Stuttering acceptance computed with spot in 96 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-09
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-09 finished in 3232 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(p1))||p0))))'
Support contains 3 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 42 transition count 44
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 42 transition count 44
Applied a total of 5 rules in 3 ms. Remains 42 /45 variables (removed 3) and now considering 44/48 (removed 4) transitions.
[2025-06-04 19:58:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:58] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-04 19:58:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:58:58] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:58:58] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:58:58] [INFO ] Invariant cache hit.
[2025-06-04 19:58:58] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:58:59] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 998 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1917 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2951ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2951ms
Starting structural reductions in LTL mode, iteration 1 : 42/45 places, 44/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3127 ms. Remains : 42/45 places, 44/48 transitions.
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 119 ms.
Product exploration explored 100000 steps with 50000 reset in 131 ms.
Computed a total of 4 stabilizing places and 9 stable transitions
Graph (complete) has 128 edges and 42 vertex of which 41 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 9 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 32 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-10 finished in 3568 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(X(X(X(X(G((X((!p1 U (!p2||G(!p1))))&&p0)))))))))'
Support contains 4 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 43 transition count 47
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 43 transition count 47
Applied a total of 3 rules in 1 ms. Remains 43 /45 variables (removed 2) and now considering 47/48 (removed 1) transitions.
// Phase 1: matrix 47 rows 43 cols
[2025-06-04 19:59:02] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:02] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-04 19:59:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:02] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:59:02] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 19:59:02] [INFO ] Invariant cache hit.
[2025-06-04 19:59:02] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:59:03] [INFO ] Deduced a trap along path composed of 6 places in 35 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 68 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1090 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/90 variables, 43/45 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 22/67 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 46/113 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/90 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 114 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2824 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3966ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 3966ms
Starting structural reductions in LTL mode, iteration 1 : 43/45 places, 47/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4161 ms. Remains : 43/45 places, 47/48 transitions.
Stuttering acceptance computed with spot in 335 ms :[true, (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) (AND p1 p2))]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-11
Entered a terminal (fully accepting) state of product in 263 steps with 61 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-11 finished in 4527 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(X(X(X(X(G(!p0))))))))'
Support contains 2 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 48/48 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 48
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 42 transition count 44
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 42 transition count 44
Applied a total of 5 rules in 4 ms. Remains 42 /45 variables (removed 3) and now considering 44/48 (removed 4) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:59:06] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:06] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-04 19:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:06] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:59:06] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:59:06] [INFO ] Invariant cache hit.
[2025-06-04 19:59:06] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:59:07] [INFO ] Deduced a trap along path composed of 6 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1004 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1930 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2970ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2970ms
Starting structural reductions in LTL mode, iteration 1 : 42/45 places, 44/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3102 ms. Remains : 42/45 places, 44/48 transitions.
Stuttering acceptance computed with spot in 239 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m040-LTLFireability-13
Product exploration explored 100000 steps with 21668 reset in 74 ms.
Product exploration explored 100000 steps with 21591 reset in 96 ms.
Computed a total of 4 stabilizing places and 9 stable transitions
Graph (complete) has 128 edges and 42 vertex of which 41 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 4 stabilizing places and 9 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 106 ms. Reduced automaton from 8 states, 9 edges and 1 AP (stutter sensitive) to 8 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 276 ms :[true, p0, p0, p0, p0, p0, p0, p0]
RANDOM walk for 32233 steps (6908 resets) in 200 ms. (160 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 8 states, 9 edges and 1 AP (stutter sensitive) to 8 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 273 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Support contains 2 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 44/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2025-06-04 19:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:11] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 19:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:59:11] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:59:11] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:59:11] [INFO ] Invariant cache hit.
[2025-06-04 19:59:11] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:59:11] [INFO ] Deduced a trap along path composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 0/86 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 86/86 variables, and 64 constraints, problems are : Problem set: 0 solved, 43 unsolved in 990 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (OVERLAPS) 1/42 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/86 variables, 42/44 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 43/106 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/86 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 86/86 variables, and 107 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1947 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 42/42 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2948ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2948ms
Finished structural reductions in LTL mode , in 1 iterations and 3058 ms. Remains : 42/42 places, 44/44 transitions.
Computed a total of 4 stabilizing places and 9 stable transitions
Graph (complete) has 128 edges and 42 vertex of which 41 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 4 stabilizing places and 9 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 70 ms. Reduced automaton from 8 states, 9 edges and 1 AP (stutter sensitive) to 8 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 269 ms :[true, p0, p0, p0, p0, p0, p0, p0]
RANDOM walk for 40000 steps (8599 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (2000 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 391 steps, run visited all 1 properties in 14 ms. (steps per millisecond=27 )
Probabilistic random walk after 391 steps, saw 202 distinct states, run finished after 18 ms. (steps per millisecond=21 ) properties seen :1
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 1 factoid took 108 ms. Reduced automaton from 8 states, 9 edges and 1 AP (stutter sensitive) to 8 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 283 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 277 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 305 ms :[true, p0, p0, p0, p0, p0, p0, p0]
Entered a terminal (fully accepting) state of product in 5727 steps with 1206 reset in 13 ms.
FORMULA RingSingleMessageInMbox-PT-d0m040-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m040-LTLFireability-13 finished in 9094 ms.
All properties solved by simple procedures.
Total runtime 59491 ms.

BK_STOP 1749067155996

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="RingSingleMessageInMbox-PT-d0m040"
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 RingSingleMessageInMbox-PT-d0m040, 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 r184-tall-174889264100388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m040.tgz
mv RingSingleMessageInMbox-PT-d0m040 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 ;