Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264000372.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-d0m010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264000372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K 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-d0m010-LTLFireability-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749066787940

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-d0m010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 19:53:09] [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 19:53:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 19:53:09] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2025-06-04 19:53:09] [INFO ] Transformed 385 places.
[2025-06-04 19:53:09] [INFO ] Transformed 59 transitions.
[2025-06-04 19:53:09] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 183 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 7 formulas.
Deduced a syphon composed of 329 places in 0 ms
Reduce places removed 329 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 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 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 5 place count 51 transition count 56
Iterating global reduction 1 with 3 rules applied. Total rules applied 8 place count 51 transition count 56
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 50 transition count 55
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 50 transition count 55
Applied a total of 10 rules in 17 ms. Remains 50 /56 variables (removed 6) and now considering 55/59 (removed 4) transitions.
// Phase 1: matrix 55 rows 50 cols
[2025-06-04 19:53:09] [INFO ] Computed 3 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:09] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-04 19:53:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:09] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-04 19:53:09] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 19:53:09] [INFO ] Invariant cache hit.
[2025-06-04 19:53:09] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 1/50 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD52 is UNSAT
At refinement iteration 4 (OVERLAPS) 55/105 variables, 50/53 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/105 variables, 26/79 constraints. Problems are: Problem set: 5 solved, 49 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 0/79 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 0/105 variables, 0/79 constraints. Problems are: Problem set: 5 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 79 constraints, problems are : Problem set: 5 solved, 49 unsolved in 1159 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 50/50 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 49 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 2/47 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 3 (OVERLAPS) 3/50 variables, 1/3 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 5 (OVERLAPS) 55/105 variables, 50/53 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 26/79 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/105 variables, 49/128 constraints. Problems are: Problem set: 5 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:11] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 1/129 constraints. Problems are: Problem set: 5 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:12] [INFO ] Deduced a trap along path composed of 6 places in 34 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:13] [INFO ] Deduced a trap along path composed of 8 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/105 variables, 2/131 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/105 variables, 0/131 constraints. Problems are: Problem set: 5 solved, 49 unsolved
At refinement iteration 11 (OVERLAPS) 0/105 variables, 0/131 constraints. Problems are: Problem set: 5 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 131 constraints, problems are : Problem set: 5 solved, 49 unsolved in 5129 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 50/50 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 49/54 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6353ms problems are : Problem set: 5 solved, 49 unsolved
Search for dead transitions found 5 dead transitions in 6372ms
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 : 50/56 places, 50/59 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 47 transition count 50
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 3 rules in 1 ms. Remains 47 /50 variables (removed 3) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 47 cols
[2025-06-04 19:53:16] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:16] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-04 19:53:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:16] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-04 19:53:16] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 47/56 places, 50/59 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6834 ms. Remains : 47/56 places, 50/59 transitions.
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Support contains 17 out of 46 places after structural reductions.
[2025-06-04 19:53:16] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2025-06-04 19:53:16] [INFO ] Flatten gal took : 22 ms
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-04 19:53:16] [INFO ] Flatten gal took : 8 ms
[2025-06-04 19:53:16] [INFO ] Input system was already deterministic with 50 transitions.
Support contains 16 out of 46 places (down from 17) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 20 to 17
RANDOM walk for 40000 steps (8603 resets) in 1039 ms. (38 steps per ms) remains 3/17 properties
BEST_FIRST walk for 40002 steps (1924 resets) in 327 ms. (121 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (1985 resets) in 101 ms. (392 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1979 resets) in 75 ms. (526 steps per ms) remains 2/3 properties
// Phase 1: matrix 50 rows 46 cols
[2025-06-04 19:53:16] [INFO ] Computed 2 invariants in 1 ms
[2025-06-04 19:53:16] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 21/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/27 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 38/65 variables, 27/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 12/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 30/95 variables, 18/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/95 variables, 12/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/95 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/96 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/96 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/96 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 72 constraints, problems are : Problem set: 0 solved, 2 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 46/46 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 21/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/27 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 38/65 variables, 27/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 12/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 30/95 variables, 18/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/95 variables, 12/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/95 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/95 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/96 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/96 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/96 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 74 constraints, problems are : Problem set: 0 solved, 2 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 46/46 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 308ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 23 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=23 )
Parikh walk visited 2 properties in 22 ms.
Computed a total of 6 stabilizing places and 13 stable transitions
Graph (complete) has 138 edges and 46 vertex of which 45 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 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(p0) U G(p1))) U p0))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 45
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 45
Applied a total of 6 rules in 2 ms. Remains 43 /46 variables (removed 3) and now considering 45/50 (removed 5) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:53:17] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:17] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 19:53:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:17] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-04 19:53:17] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-04 19:53:17] [INFO ] Invariant cache hit.
[2025-06-04 19:53:17] [INFO ] State equation strengthened by 20 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, 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 19:53:18] [INFO ] Deduced a trap along path composed of 6 places in 23 ms of which 1 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:18] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 4 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/88 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (OVERLAPS) 0/88 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 67 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1576 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: 1/1 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, 1/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/88 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 44/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 1/111 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 19:53:20] [INFO ] Deduced a trap along path composed of 8 places in 23 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 0/88 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 112 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2864 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: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4454ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 4454ms
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 45/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4566 ms. Remains : 43/46 places, 45/50 transitions.
Stuttering acceptance computed with spot in 337 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-00 finished in 4964 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(G(p0)))))'
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 44
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 44
Applied a total of 8 rules in 2 ms. Remains 42 /46 variables (removed 4) and now considering 44/50 (removed 6) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:53:22] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:22] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 19:53:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:22] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:53:22] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:53:22] [INFO ] Invariant cache hit.
[2025-06-04 19:53:22] [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 19:53:23] [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) 0/86 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 1003 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 2396 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 3411ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3412ms
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 44/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3564 ms. Remains : 42/46 places, 44/50 transitions.
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-01 finished in 3746 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(X(X(p1))))&&p0)))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 47
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 47
Applied a total of 6 rules in 5 ms. Remains 43 /46 variables (removed 3) and now considering 47/50 (removed 3) transitions.
// Phase 1: matrix 47 rows 43 cols
[2025-06-04 19:53:26] [INFO ] Computed 2 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:26] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-04 19:53:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:26] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:53:26] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 19:53:26] [INFO ] Invariant cache hit.
[2025-06-04 19:53:26] [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 19:53:26] [INFO ] Deduced a trap along path composed of 6 places in 34 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 1035 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 2863 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 3913ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 3914ms
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 47/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4032 ms. Remains : 43/46 places, 47/50 transitions.
Stuttering acceptance computed with spot in 690 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-04 finished in 4748 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((((!p1||(G(F(p2)) U p3)) U p4)&&p0)))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 45
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 45
Applied a total of 6 rules in 6 ms. Remains 43 /46 variables (removed 3) and now considering 45/50 (removed 5) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:53:31] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:31] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 19:53:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-04 19:53:31] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-04 19:53:31] [INFO ] Invariant cache hit.
[2025-06-04 19:53:31] [INFO ] State equation strengthened by 20 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, 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 19:53:31] [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) 0/88 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:32] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/88 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (OVERLAPS) 0/88 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 67 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1591 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: 1/1 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, 1/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 1/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/88 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 44/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 1/111 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 19:53:33] [INFO ] Deduced a trap along path composed of 8 places in 24 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 0/88 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 112 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2889 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: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4500ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 4501ms
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 45/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4607 ms. Remains : 43/46 places, 45/50 transitions.
Stuttering acceptance computed with spot in 462 ms :[(OR (NOT p0) (NOT p4)), (OR (NOT p0) (NOT p4)), (OR (NOT p0) (NOT p4)), (OR (NOT p0) (NOT p4)), true, (NOT p2), (NOT p2), (NOT p3), (NOT p4)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-05 finished in 5108 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 U (p1||G(!p0)))))&&(!p2||X(F(p2)))) U ((!p3&&X(F((!p0 U (p1||G(!p0)))))&&(!p2||X(F(p2))))||G((F((!p0 U (p1||G(!p0))))&&(!p2||X(F(p2))))))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 45
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 45
Applied a total of 6 rules in 10 ms. Remains 43 /46 variables (removed 3) and now considering 45/50 (removed 5) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:53:36] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:36] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-04 19:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-04 19:53:36] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-04 19:53:36] [INFO ] Invariant cache hit.
[2025-06-04 19:53:36] [INFO ] State equation strengthened by 20 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, 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
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/88 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 65 constraints, problems are : Problem set: 0 solved, 44 unsolved in 580 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: 0/0 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:37] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 1 ms to minimize.
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 2945 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 3538ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3539ms
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 45/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3656 ms. Remains : 43/46 places, 45/50 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND p0 (NOT p1)), (NOT p2), (AND (NOT p1) p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 375 ms.
Product exploration explored 100000 steps with 50000 reset in 144 ms.
Computed a total of 4 stabilizing places and 9 stable transitions
Graph (complete) has 130 edges and 43 vertex of which 42 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 : [(AND (NOT p3) (NOT p2) p1 (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p3)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 24 ms. Reduced automaton from 3 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-06 finished in 4356 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 45
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 45
Applied a total of 6 rules in 2 ms. Remains 43 /46 variables (removed 3) and now considering 45/50 (removed 5) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:53:40] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:40] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 19:53:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:40] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:53:40] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-04 19:53:40] [INFO ] Invariant cache hit.
[2025-06-04 19:53:40] [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) 0/42 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, 19/64 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 19:53:41] [INFO ] Deduced a trap along path composed of 6 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/88 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 65 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1018 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 19/19 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, 19/64 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 44/108 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (OVERLAPS) 0/88 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 109 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2339 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 43/43 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3369ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3369ms
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 45/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3479 ms. Remains : 43/46 places, 45/50 transitions.
Stuttering acceptance computed with spot in 119 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-07
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-07 finished in 3612 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((G(p0)&&(F(p1)||X(F(p2)))))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 44 transition count 48
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 44 transition count 48
Applied a total of 4 rules in 6 ms. Remains 44 /46 variables (removed 2) and now considering 48/50 (removed 2) transitions.
// Phase 1: matrix 48 rows 44 cols
[2025-06-04 19:53:44] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:44] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 19:53:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:44] [INFO ] State equation strengthened by 23 read => feed constraints.
[2025-06-04 19:53:44] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-04 19:53:44] [INFO ] Invariant cache hit.
[2025-06-04 19:53:44] [INFO ] State equation strengthened by 23 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/44 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 48/92 variables, 44/46 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 23/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:44] [INFO ] Deduced a trap along path composed of 6 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 0/92 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 70 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1207 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 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, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/44 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 48/92 variables, 44/46 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 23/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 47/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 117 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2444 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3664ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3664ms
Starting structural reductions in LTL mode, iteration 1 : 44/46 places, 48/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3790 ms. Remains : 44/46 places, 48/50 transitions.
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-08
Entered a terminal (fully accepting) state of product in 15373 steps with 3361 reset in 33 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-08 finished in 4079 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(((p1 U G(p2))&&p0))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 47
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 47
Applied a total of 6 rules in 14 ms. Remains 43 /46 variables (removed 3) and now considering 47/50 (removed 3) transitions.
// Phase 1: matrix 47 rows 43 cols
[2025-06-04 19:53:48] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 19:53:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:48] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:53:48] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 126 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:53:48] [INFO ] Redundant transitions in 1 ms returned []
Running 46 sub problems to find dead transitions.
[2025-06-04 19:53:48] [INFO ] Invariant cache hit.
[2025-06-04 19:53:48] [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 19:53:48] [INFO ] Deduced a trap along path composed of 6 places in 21 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 1034 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 2810 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 3854ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 3854ms
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 47/50 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3999 ms. Remains : 43/46 places, 47/50 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d0m010-LTLFireability-11
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA RingSingleMessageInMbox-PT-d0m010-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d0m010-LTLFireability-11 finished in 4175 ms.
All properties solved by simple procedures.
Total runtime 43309 ms.

BK_STOP 1749066832422

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="RingSingleMessageInMbox-PT-d0m010"
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-d0m010, 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-174889264000372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m010.tgz
mv RingSingleMessageInMbox-PT-d0m010 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 ;