Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264000378.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-d0m020, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264000378
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K 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 110K 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-d0m020-CTLFireability-2023-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-15
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-11

=== Now, execution of the tool begins

BK_START 1749066872111

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d0m020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202505121319
[2025-06-04 19:54:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 19:54:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 19:54:33] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2025-06-04 19:54:33] [INFO ] Transformed 385 places.
[2025-06-04 19:54:33] [INFO ] Transformed 59 transitions.
[2025-06-04 19:54:33] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 11 ms.
Deduced a syphon composed of 329 places in 1 ms
Reduce places removed 329 places and 0 transitions.
Support contains 52 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
Applied a total of 2 rules in 11 ms. Remains 54 /56 variables (removed 2) and now considering 59/59 (removed 0) transitions.
// Phase 1: matrix 59 rows 54 cols
[2025-06-04 19:54:33] [INFO ] Computed 3 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:33] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-04 19:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:33] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-04 19:54:33] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
Running 58 sub problems to find dead transitions.
[2025-06-04 19:54:33] [INFO ] Invariant cache hit.
[2025-06-04 19:54:33] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 1/54 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD55 is UNSAT
At refinement iteration 4 (OVERLAPS) 59/113 variables, 54/57 constraints. Problems are: Problem set: 5 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 27/84 constraints. Problems are: Problem set: 5 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:35] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 1/85 constraints. Problems are: Problem set: 5 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 0/85 constraints. Problems are: Problem set: 5 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:35] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 7 ms to minimize.
Problem TDEAD50 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:36] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 4 ms to minimize.
Problem TDEAD49 is UNSAT
At refinement iteration 8 (OVERLAPS) 0/113 variables, 2/87 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 0/87 constraints. Problems are: Problem set: 7 solved, 51 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:36] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/113 variables, 1/88 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/113 variables, 0/88 constraints. Problems are: Problem set: 7 solved, 51 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 0/113 variables, 0/88 constraints. Problems are: Problem set: 7 solved, 51 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 88 constraints, problems are : Problem set: 7 solved, 51 unsolved in 3512 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 51 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 1 (OVERLAPS) 4/51 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 4/6 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/6 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 1/7 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/7 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 6 (OVERLAPS) 59/113 variables, 54/61 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 27/88 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/113 variables, 51/139 constraints. Problems are: Problem set: 7 solved, 51 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:38] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 1/140 constraints. Problems are: Problem set: 7 solved, 51 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:39] [INFO ] Deduced a trap along path composed of 6 places in 37 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/113 variables, 1/141 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/113 variables, 0/141 constraints. Problems are: Problem set: 7 solved, 51 unsolved
At refinement iteration 12 (OVERLAPS) 0/113 variables, 0/141 constraints. Problems are: Problem set: 7 solved, 51 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 141 constraints, problems are : Problem set: 7 solved, 51 unsolved in 5179 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 51/58 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8783ms problems are : Problem set: 7 solved, 51 unsolved
Search for dead transitions found 7 dead transitions in 8797ms
Found 7 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 7 transitions
Dead transitions reduction (with SMT) removed 7 transitions
Starting structural reductions in LTL mode, iteration 1 : 54/56 places, 52/59 transitions.
Reduce places removed 0 places and 1 transitions.
Deduced a syphon composed of 6 places in 0 ms
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 51/52 (removed 1) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 9119 ms. Remains : 54/56 places, 51/59 transitions.
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Support contains 46 out of 48 places after structural reductions.
[2025-06-04 19:54:42] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2025-06-04 19:54:42] [INFO ] Flatten gal took : 21 ms
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-04 19:54:42] [INFO ] Flatten gal took : 7 ms
[2025-06-04 19:54:42] [INFO ] Input system was already deterministic with 51 transitions.
Reduction of identical properties reduced properties to check from 52 to 50
RANDOM walk for 40000 steps (8591 resets) in 1392 ms. (28 steps per ms) remains 19/50 properties
BEST_FIRST walk for 4003 steps (388 resets) in 96 ms. (41 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (187 resets) in 69 ms. (57 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4000 steps (357 resets) in 35 ms. (111 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4001 steps (122 resets) in 43 ms. (90 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (360 resets) in 19 ms. (200 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (389 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (215 resets) in 16 ms. (235 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4000 steps (398 resets) in 25 ms. (153 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (329 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (200 resets) in 19 ms. (200 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (384 resets) in 25 ms. (153 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4001 steps (181 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (126 resets) in 26 ms. (148 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (207 resets) in 19 ms. (200 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4001 steps (191 resets) in 21 ms. (181 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (359 resets) in 22 ms. (174 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4001 steps (392 resets) in 24 ms. (160 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (201 resets) in 15 ms. (250 steps per ms) remains 17/17 properties
// Phase 1: matrix 51 rows 48 cols
[2025-06-04 19:54:43] [INFO ] Computed 3 invariants in 1 ms
[2025-06-04 19:54:43] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp37 is UNSAT
Problem AtomicPropp43 is UNSAT
Problem AtomicPropp50 is UNSAT
At refinement iteration 1 (OVERLAPS) 9/39 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 5/44 variables, 1/3 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/3 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 47/91 variables, 44/47 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 20/67 constraints. Problems are: Problem set: 5 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 0/67 constraints. Problems are: Problem set: 5 solved, 12 unsolved
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp38 is UNSAT
Problem AtomicPropp42 is UNSAT
Problem AtomicPropp44 is UNSAT
At refinement iteration 8 (OVERLAPS) 8/99 variables, 4/71 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/99 variables, 4/75 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/99 variables, 0/75 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 0/99 variables, 0/75 constraints. Problems are: Problem set: 9 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 99/99 variables, and 75 constraints, problems are : Problem set: 9 solved, 8 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 48/48 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 17/29 variables, 2/2 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 8/37 variables, 1/3 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 40/77 variables, 37/40 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 13/53 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 2/55 constraints. Problems are: Problem set: 9 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:44] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 1/56 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 0/56 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 21/98 variables, 10/66 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 11/77 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 6/83 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/98 variables, 0/83 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 1/99 variables, 1/84 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/99 variables, 0/84 constraints. Problems are: Problem set: 9 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 0/99 variables, 0/84 constraints. Problems are: Problem set: 9 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 99/99 variables, and 84 constraints, problems are : Problem set: 9 solved, 8 unsolved in 578 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 48/48 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 8/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 832ms problems are : Problem set: 9 solved, 8 unsolved
Parikh walk visited 7 properties in 113 ms.
Support contains 2 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 51/51 transitions.
Graph (complete) has 122 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 46 transition count 48
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 9 place count 41 transition count 41
Iterating global reduction 1 with 5 rules applied. Total rules applied 14 place count 41 transition count 41
Applied a total of 14 rules in 11 ms. Remains 41 /48 variables (removed 7) and now considering 41/51 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 41/48 places, 41/51 transitions.
RANDOM walk for 40000 steps (8654 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3801 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 130 steps, run visited all 1 properties in 11 ms. (steps per millisecond=11 )
Probabilistic random walk after 130 steps, saw 81 distinct states, run finished after 14 ms. (steps per millisecond=9 ) properties seen :1
Successfully simplified 9 atomic propositions for a total of 14 simplifications.
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-04 19:54:44] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2025-06-04 19:54:44] [INFO ] Flatten gal took : 5 ms
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-04 19:54:44] [INFO ] Flatten gal took : 5 ms
[2025-06-04 19:54:44] [INFO ] Input system was already deterministic with 51 transitions.
Support contains 38 out of 48 places (down from 39) after GAL structural reductions.
Computed a total of 6 stabilizing places and 12 stable transitions
Graph (complete) has 143 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 4 place count 44 transition count 48
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 44 transition count 48
Applied a total of 7 rules in 2 ms. Remains 44 /48 variables (removed 4) and now considering 48/51 (removed 3) transitions.
// Phase 1: matrix 48 rows 44 cols
[2025-06-04 19:54:44] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:44] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 19:54:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:44] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:54:44] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-04 19:54:44] [INFO ] Invariant cache hit.
[2025-06-04 19:54:44] [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) 0/43 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, 22/68 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 19:54:45] [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) 0/92 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 69 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1079 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 22/22 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, 22/68 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 47/115 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 116 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2647 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3745ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3746ms
Starting structural reductions in LTL mode, iteration 1 : 44/48 places, 48/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3853 ms. Remains : 44/48 places, 48/51 transitions.
[2025-06-04 19:54:48] [INFO ] Flatten gal took : 5 ms
[2025-06-04 19:54:48] [INFO ] Flatten gal took : 5 ms
[2025-06-04 19:54:48] [INFO ] Input system was already deterministic with 48 transitions.
[2025-06-04 19:54:48] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:54:48] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:54:48] [INFO ] Time to serialize gal into /tmp/CTLFireability10156009775609000124.gal : 2 ms
[2025-06-04 19:54:48] [INFO ] Time to serialize properties into /tmp/CTLFireability10631347956003992841.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10156009775609000124.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10631347956003992841.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.153562,9820,2,2854,5,29411,6,0,224,20852,0


Converting to forward existential form...Done !
original formula: AG((E(((s1>=1)&&(l40>=1)) U !(EG(((p15>=1)&&(l0>=1))))) * ((AX((((EG(((s1>=1)&&(l280>=1))) + (s1<1)) + (l280<1)) * ((AX(FALSE) + (s7<1)) ...246
=> equivalent forward existential formula: ([(FwdU(Init,TRUE) * !(E(((s1>=1)&&(l40>=1)) U !(EG(((p15>=1)&&(l0>=1)))))))] = FALSE * ([(((EY(((FwdU(Init,TRUE...474
Reverse transition relation is NOT exact ! Due to transitions t1, t7, t8, t9, t12, t19, t20, t21, t24, t34, t35, t36, t37, t38, t39, t40, t41, t43, t45, t4...256
(forward)formula 0,1,0.984434,37744,1,0,325,165239,139,100,1524,141318,440
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 46 transition count 48
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 46 transition count 48
Applied a total of 3 rules in 4 ms. Remains 46 /48 variables (removed 2) and now considering 48/51 (removed 3) transitions.
// Phase 1: matrix 48 rows 46 cols
[2025-06-04 19:54:49] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:49] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-04 19:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:49] [INFO ] State equation strengthened by 21 read => feed constraints.
[2025-06-04 19:54:49] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-04 19:54:49] [INFO ] Invariant cache hit.
[2025-06-04 19:54:49] [INFO ] State equation strengthened by 21 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) 0/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/46 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 48/94 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 21/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 0/94 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 69 constraints, problems are : Problem set: 0 solved, 47 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 46/46 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 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) 0/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/46 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 48/94 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 21/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 47/116 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 19:54:51] [INFO ] Deduced a trap along path composed of 6 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/94 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/94 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 94/94 variables, and 117 constraints, problems are : Problem set: 0 solved, 47 unsolved in 3588 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 46/46 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4139ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 4140ms
Starting structural reductions in LTL mode, iteration 1 : 46/48 places, 48/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4270 ms. Remains : 46/48 places, 48/51 transitions.
[2025-06-04 19:54:54] [INFO ] Flatten gal took : 9 ms
[2025-06-04 19:54:54] [INFO ] Flatten gal took : 7 ms
[2025-06-04 19:54:54] [INFO ] Input system was already deterministic with 48 transitions.
[2025-06-04 19:54:54] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:54:54] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:54:54] [INFO ] Time to serialize gal into /tmp/CTLFireability2892661157357253091.gal : 2 ms
[2025-06-04 19:54:54] [INFO ] Time to serialize properties into /tmp/CTLFireability8722136765023685783.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2892661157357253091.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8722136765023685783.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.19974e+06,0.58229,25060,2,4126,5,102218,6,0,232,96778,0


Converting to forward existential form...Done !
original formula: E((!(EX(AX(E(((p11>=1)&&(l0>=1)) U ((s1>=1)&&(l364>=1)))))) * ((AG(AF(((s1>=1)&&(l123>=1)))) + EG(((s1>=1)&&(l1>=1)))) + AX(FALSE))) U EG...239
=> equivalent forward existential formula: [FwdG(FwdU(Init,(!(EX(!(EX(!(E(((p11>=1)&&(l0>=1)) U ((s1>=1)&&(l364>=1)))))))) * ((!(E(TRUE U !(!(EG(!(((s1>=1)...325
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t7, t9, t10, t13, t22, t26, t33, t34, t35, t36, t37, t39, t40, t42, t43, t45, t46, I...251
(forward)formula 0,1,3.83862,112548,1,0,484,533106,145,187,1643,532762,564
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 4 place count 44 transition count 48
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 44 transition count 48
Applied a total of 7 rules in 2 ms. Remains 44 /48 variables (removed 4) and now considering 48/51 (removed 3) transitions.
// Phase 1: matrix 48 rows 44 cols
[2025-06-04 19:54:57] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:57] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 19:54:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:54:58] [INFO ] State equation strengthened by 23 read => feed constraints.
[2025-06-04 19:54:58] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-04 19:54:58] [INFO ] Invariant cache hit.
[2025-06-04 19:54:58] [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, 0/0 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 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
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 69 constraints, problems are : Problem set: 0 solved, 47 unsolved in 655 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: 0/0 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, 0/0 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:54:59] [INFO ] Deduced a trap along path composed of 6 places in 28 ms of which 1 ms to minimize.
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 2997 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 3665ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3666ms
Starting structural reductions in LTL mode, iteration 1 : 44/48 places, 48/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3761 ms. Remains : 44/48 places, 48/51 transitions.
[2025-06-04 19:55:01] [INFO ] Flatten gal took : 6 ms
[2025-06-04 19:55:01] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:01] [INFO ] Input system was already deterministic with 48 transitions.
[2025-06-04 19:55:01] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:01] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:01] [INFO ] Time to serialize gal into /tmp/CTLFireability3318729550141366350.gal : 0 ms
[2025-06-04 19:55:01] [INFO ] Time to serialize properties into /tmp/CTLFireability5010825293788471212.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3318729550141366350.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5010825293788471212.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.19096e+06,0.396744,19924,2,5037,5,76376,6,0,224,71641,0


Converting to forward existential form...Done !
original formula: (AF(AG((((((s1<1)||(l305<1)) * EX(TRUE)) + (s1<1)) + ((l185<1)||(((s1<1)||(l356<1))&&((s1<1)||(l124<1))))))) * (EX((!(E(((s1>=1)&&(l298>=...354
=> equivalent forward existential formula: ([FwdG(Init,!(!(E(TRUE U !((((((s1<1)||(l305<1)) * EX(TRUE)) + (s1<1)) + ((l185<1)||(((s1<1)||(l356<1))&&((s1<1)...511
Reverse transition relation is NOT exact ! Due to transitions t1, t7, t8, t9, t12, t19, t20, t21, t24, t28, t35, t36, t37, t38, t39, t40, t41, t42, t44, t4...256
(forward)formula 0,0,6.33153,181836,1,0,1069,947319,145,582,1543,1.05111e+06,934
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 4 place count 44 transition count 46
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 44 transition count 46
Applied a total of 7 rules in 4 ms. Remains 44 /48 variables (removed 4) and now considering 46/51 (removed 5) transitions.
// Phase 1: matrix 46 rows 44 cols
[2025-06-04 19:55:08] [INFO ] Computed 2 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:08] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 19:55:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:08] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-04 19:55:08] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2025-06-04 19:55:08] [INFO ] Invariant cache hit.
[2025-06-04 19:55:08] [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) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 1/44 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 46/90 variables, 44/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:55:08] [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, 1/67 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 67 constraints, problems are : Problem set: 0 solved, 45 unsolved in 1045 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 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, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 1/44 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 46/90 variables, 44/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 45/111 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:55:10] [INFO ] Deduced a trap along path composed of 8 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 10 (OVERLAPS) 0/90 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 113 constraints, problems are : Problem set: 0 solved, 45 unsolved in 2918 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3978ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 3978ms
Starting structural reductions in LTL mode, iteration 1 : 44/48 places, 46/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4085 ms. Remains : 44/48 places, 46/51 transitions.
[2025-06-04 19:55:12] [INFO ] Flatten gal took : 8 ms
[2025-06-04 19:55:12] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:12] [INFO ] Input system was already deterministic with 46 transitions.
[2025-06-04 19:55:12] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:12] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:12] [INFO ] Time to serialize gal into /tmp/CTLFireability17816614518312247428.gal : 1 ms
[2025-06-04 19:55:12] [INFO ] Time to serialize properties into /tmp/CTLFireability12091551912838297967.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17816614518312247428.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12091551912838297967.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,290922,0.179528,11900,2,4013,5,36457,6,0,222,27501,0


Converting to forward existential form...Done !
original formula: AX(EG(EX((((s1>=1)&&(l123>=1))||(((s2<1)||(l107<1))&&((p11<1)||(l0<1)))))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(EX((((s1>=1)&&(l123>=1))||(((s2<1)||(l107<1))&&((p11<1)||(l0<1))))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t7, t9, t10, t13, t22, t32, t33, t34, t35, t36, t38, t39, t41, t42, t44, Intersectio...241
Using saturation style SCC detection
(forward)formula 0,1,2.43613,84284,1,0,371,450958,116,178,1527,364952,417
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 5 place count 43 transition count 47
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 43 transition count 47
Applied a total of 9 rules in 7 ms. Remains 43 /48 variables (removed 5) and now considering 47/51 (removed 4) transitions.
// Phase 1: matrix 47 rows 43 cols
[2025-06-04 19:55:14] [INFO ] Computed 2 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 19:55:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:14] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:55:14] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 19:55:14] [INFO ] Invariant cache hit.
[2025-06-04 19:55:14] [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 19:55:15] [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) 0/90 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 1044 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 2614 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 3672ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 3673ms
Starting structural reductions in LTL mode, iteration 1 : 43/48 places, 47/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3796 ms. Remains : 43/48 places, 47/51 transitions.
[2025-06-04 19:55:18] [INFO ] Flatten gal took : 8 ms
[2025-06-04 19:55:18] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:18] [INFO ] Input system was already deterministic with 47 transitions.
[2025-06-04 19:55:18] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:18] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:18] [INFO ] Time to serialize gal into /tmp/CTLFireability997617489093134953.gal : 0 ms
[2025-06-04 19:55:18] [INFO ] Time to serialize properties into /tmp/CTLFireability11458438531814553242.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability997617489093134953.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11458438531814553242.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.17667,11392,2,3967,5,35630,6,0,219,28937,0


Converting to forward existential form...Done !
original formula: EG((AX(((((s1>=1)&&(l185>=1))||(s1<1))||(l124<1))) + ((s1>=1)&&(l185>=1))))
=> equivalent forward existential formula: [FwdG(Init,(!(EX(!(((((s1>=1)&&(l185>=1))||(s1<1))||(l124<1))))) + ((s1>=1)&&(l185>=1))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t7, t8, t9, t12, t19, t20, t21, t24, t34, t35, t36, t37, t38, t39, t40, t41, t43, t45, I...251
(forward)formula 0,1,0.950007,38200,1,0,212,159310,118,60,1485,144419,213
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 6 place count 42 transition count 44
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 42 transition count 44
Applied a total of 11 rules in 3 ms. Remains 42 /48 variables (removed 6) and now considering 44/51 (removed 7) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:55:19] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:19] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-04 19:55:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:19] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:55:19] [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 43 sub problems to find dead transitions.
[2025-06-04 19:55:19] [INFO ] Invariant cache hit.
[2025-06-04 19:55:19] [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 19:55:20] [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 1034 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 2238 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 3283ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3284ms
Starting structural reductions in LTL mode, iteration 1 : 42/48 places, 44/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3396 ms. Remains : 42/48 places, 44/51 transitions.
[2025-06-04 19:55:22] [INFO ] Flatten gal took : 6 ms
[2025-06-04 19:55:22] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:22] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-04 19:55:22] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:22] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:22] [INFO ] Time to serialize gal into /tmp/CTLFireability7246981233212094761.gal : 0 ms
[2025-06-04 19:55:22] [INFO ] Time to serialize properties into /tmp/CTLFireability2181708484198653026.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7246981233212094761.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2181708484198653026.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.203383,12780,2,4348,5,42201,6,0,212,35554,0


Converting to forward existential form...Done !
original formula: A(((p13>=1)&&(l107>=1)) U AG((AX(!(AX(!(((s1<1)||(l305<1)))))) + E(AF(((s1>=1)&&(l0>=1))) U EX(((s1>=1)&&(l104>=1)))))))
=> equivalent forward existential formula: [((Init * !(EG(!(!(E(TRUE U !((!(EX(!(!(!(EX(!(!(((s1<1)||(l305<1)))))))))) + E(!(EG(!(((s1>=1)&&(l0>=1))))) U E...491
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t21, t31, t32, t33, t34, t35, t36, t37, t38, t40, t42, Intersection with re...232
Using saturation style SCC detection
(forward)formula 0,0,5.33215,164636,1,0,728,926199,129,377,1505,853839,836
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 6 place count 42 transition count 44
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 42 transition count 44
Applied a total of 11 rules in 2 ms. Remains 42 /48 variables (removed 6) and now considering 44/51 (removed 7) transitions.
[2025-06-04 19:55:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:28] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-04 19:55:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:28] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:55:28] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:55:28] [INFO ] Invariant cache hit.
[2025-06-04 19:55:28] [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 19:55:28] [INFO ] Deduced a trap along path composed of 6 places in 27 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 1029 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 2212 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 3252ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3253ms
Starting structural reductions in LTL mode, iteration 1 : 42/48 places, 44/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3374 ms. Remains : 42/48 places, 44/51 transitions.
[2025-06-04 19:55:31] [INFO ] Flatten gal took : 9 ms
[2025-06-04 19:55:31] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:31] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-04 19:55:31] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:31] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:31] [INFO ] Time to serialize gal into /tmp/CTLFireability10262273442356538677.gal : 1 ms
[2025-06-04 19:55:31] [INFO ] Time to serialize properties into /tmp/CTLFireability13399987148746388478.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10262273442356538677.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13399987148746388478.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.213863,12780,2,4348,5,42201,6,0,212,35554,0


Converting to forward existential form...Done !
original formula: EG(E((!((EX(((s3>=1)&&(l0>=1))) * E(((s2>=1)&&(l285>=1)) U ((s2>=1)&&(l283>=1))))) + AG(((s1>=1)&&(l289>=1)))) U !((!(((s1>=1)&&(l286>=1)...208
=> equivalent forward existential formula: [FwdG(Init,E((!((EX(((s3>=1)&&(l0>=1))) * E(((s2>=1)&&(l285>=1)) U ((s2>=1)&&(l283>=1))))) + !(E(TRUE U !(((s1>=...328
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t21, t31, t32, t33, t34, t35, t36, t37, t38, t40, t42, Intersection with re...232
(forward)formula 0,1,3.18566,107464,1,0,433,558861,132,158,1519,491116,511
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Graph (complete) has 143 edges and 48 vertex of which 47 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 43 transition count 45
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 43 transition count 45
Applied a total of 9 rules in 6 ms. Remains 43 /48 variables (removed 5) and now considering 45/51 (removed 6) transitions.
// Phase 1: matrix 45 rows 43 cols
[2025-06-04 19:55:34] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:34] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 19:55:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:34] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:55:35] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:55:35] [INFO ] Redundant transitions in 1 ms returned []
Running 44 sub problems to find dead transitions.
[2025-06-04 19:55:35] [INFO ] Invariant cache hit.
[2025-06-04 19:55:35] [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 19:55:35] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:55:35] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (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 1364 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: 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, 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, 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, 19/65 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 44/109 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (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 2361 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: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3739ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3739ms
Starting structural reductions in SI_CTL mode, iteration 1 : 43/48 places, 45/51 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3852 ms. Remains : 43/48 places, 45/51 transitions.
[2025-06-04 19:55:38] [INFO ] Flatten gal took : 6 ms
[2025-06-04 19:55:38] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:38] [INFO ] Input system was already deterministic with 45 transitions.
[2025-06-04 19:55:38] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:38] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:38] [INFO ] Time to serialize gal into /tmp/CTLFireability16238526363248756751.gal : 0 ms
[2025-06-04 19:55:38] [INFO ] Time to serialize properties into /tmp/CTLFireability12177273249682615067.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16238526363248756751.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12177273249682615067.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.18907,12276,2,4155,5,35924,6,0,217,28997,0


Converting to forward existential form...Done !
original formula: AF((((s2>=1)&&(l283>=1))&&((p15<1)||(l0<1))))
=> equivalent forward existential formula: [FwdG(Init,!((((s2>=1)&&(l283>=1))&&((p15<1)||(l0<1)))))] = FALSE
Hit Full ! (commute/partial/dont) 25/0/20
(forward)formula 0,0,1.6204,58988,1,0,109,258938,20,4,1195,243670,107
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 6 place count 42 transition count 44
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 42 transition count 44
Applied a total of 11 rules in 2 ms. Remains 42 /48 variables (removed 6) and now considering 44/51 (removed 7) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:55:40] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:40] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-04 19:55:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:40] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:55:40] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:55:40] [INFO ] Invariant cache hit.
[2025-06-04 19:55:40] [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) 0/41 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 19:55:40] [INFO ] Deduced a trap along path composed of 6 places in 24 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 2151 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 3165ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3165ms
Starting structural reductions in LTL mode, iteration 1 : 42/48 places, 44/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3280 ms. Remains : 42/48 places, 44/51 transitions.
[2025-06-04 19:55:43] [INFO ] Flatten gal took : 6 ms
[2025-06-04 19:55:43] [INFO ] Flatten gal took : 3 ms
[2025-06-04 19:55:43] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-04 19:55:43] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:43] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:43] [INFO ] Time to serialize gal into /tmp/CTLFireability11297574571401740227.gal : 0 ms
[2025-06-04 19:55:43] [INFO ] Time to serialize properties into /tmp/CTLFireability13916486366437085610.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11297574571401740227.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13916486366437085610.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.249861,12776,2,4348,5,42201,6,0,212,35554,0


Converting to forward existential form...Done !
original formula: EF(EG(AX(((s1>=1)&&(l290>=1)))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(EX(!(((s1>=1)&&(l290>=1))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t21, t31, t32, t33, t34, t35, t36, t37, t38, t40, t42, Intersection with re...232
(forward)formula 0,1,1.5479,45908,1,0,195,201156,111,50,1436,188221,200
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 4 place count 44 transition count 48
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 44 transition count 48
Applied a total of 7 rules in 4 ms. Remains 44 /48 variables (removed 4) and now considering 48/51 (removed 3) transitions.
// Phase 1: matrix 48 rows 44 cols
[2025-06-04 19:55:45] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:45] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-04 19:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:45] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-06-04 19:55:45] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-04 19:55:45] [INFO ] Invariant cache hit.
[2025-06-04 19:55:45] [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) 0/43 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, 22/68 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 19:55:45] [INFO ] Deduced a trap along path composed of 6 places in 37 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 0/92 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 69 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1109 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 22/22 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, 22/68 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 47/115 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 116 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2155 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 44/44 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3286ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3286ms
Starting structural reductions in LTL mode, iteration 1 : 44/48 places, 48/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3388 ms. Remains : 44/48 places, 48/51 transitions.
[2025-06-04 19:55:48] [INFO ] Flatten gal took : 8 ms
[2025-06-04 19:55:48] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:48] [INFO ] Input system was already deterministic with 48 transitions.
[2025-06-04 19:55:48] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:48] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:48] [INFO ] Time to serialize gal into /tmp/CTLFireability15229858302575070837.gal : 0 ms
[2025-06-04 19:55:48] [INFO ] Time to serialize properties into /tmp/CTLFireability16624033692946871944.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15229858302575070837.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16624033692946871944.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.200091,10892,2,4590,5,32342,6,0,224,27195,0


Converting to forward existential form...Done !
original formula: (EG(EX(((E(((s1>=1)&&(l124>=1)) U ((s1>=1)&&(l287>=1))) + ((s2>=1)&&(l283>=1))) * AX(((p12>=1)&&(l0>=1)))))) + EF(AG(!(E(AF(((p10>=1)&&(l...194
=> equivalent forward existential formula: ([FwdG(Init,EX(((E(((s1>=1)&&(l124>=1)) U ((s1>=1)&&(l287>=1))) + ((s2>=1)&&(l283>=1))) * !(EX(!(((p12>=1)&&(l0>...288
Reverse transition relation is NOT exact ! Due to transitions t1, t7, t8, t9, t12, t19, t20, t21, t24, t34, t35, t36, t37, t38, t39, t40, t41, t43, t44, t4...256
(forward)formula 0,0,2.90041,79312,1,0,450,381496,141,162,1543,361273,518
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 6 place count 42 transition count 44
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 42 transition count 44
Applied a total of 11 rules in 2 ms. Remains 42 /48 variables (removed 6) and now considering 44/51 (removed 7) transitions.
// Phase 1: matrix 44 rows 42 cols
[2025-06-04 19:55:51] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:51] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 19:55:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:55:51] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:55:51] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-04 19:55:51] [INFO ] Invariant cache hit.
[2025-06-04 19:55:51] [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 19:55:52] [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 1013 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 2182 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 3213ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3213ms
Starting structural reductions in LTL mode, iteration 1 : 42/48 places, 44/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3334 ms. Remains : 42/48 places, 44/51 transitions.
[2025-06-04 19:55:54] [INFO ] Flatten gal took : 7 ms
[2025-06-04 19:55:54] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:54] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-04 19:55:54] [INFO ] Flatten gal took : 1 ms
[2025-06-04 19:55:54] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:55:54] [INFO ] Time to serialize gal into /tmp/CTLFireability12916364430444550447.gal : 0 ms
[2025-06-04 19:55:54] [INFO ] Time to serialize properties into /tmp/CTLFireability1765191301611150027.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12916364430444550447.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1765191301611150027.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.212594,12780,2,4348,5,42201,6,0,212,35554,0


Converting to forward existential form...Done !
original formula: AX(AF(EG(AG(((s2<1)||(l285<1))))))
=> equivalent forward existential formula: [FwdG(EY(Init),!(EG(!(E(TRUE U !(((s2<1)||(l285<1))))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t21, t31, t32, t33, t34, t35, t36, t37, t38, t40, t42, Intersection with re...232
Using saturation style SCC detection
(forward)formula 0,0,6.5062,158424,1,0,772,903928,122,426,1492,861195,692
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 51/51 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 47 transition count 51
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 6 place count 42 transition count 44
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 42 transition count 44
Applied a total of 11 rules in 4 ms. Remains 42 /48 variables (removed 6) and now considering 44/51 (removed 7) transitions.
[2025-06-04 19:56:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:56:01] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-04 19:56:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:56:01] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:56:01] [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 43 sub problems to find dead transitions.
[2025-06-04 19:56:01] [INFO ] Invariant cache hit.
[2025-06-04 19:56:01] [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 19:56:02] [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 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 2226 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 3241ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 3241ms
Starting structural reductions in LTL mode, iteration 1 : 42/48 places, 44/51 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3353 ms. Remains : 42/48 places, 44/51 transitions.
[2025-06-04 19:56:04] [INFO ] Flatten gal took : 7 ms
[2025-06-04 19:56:04] [INFO ] Flatten gal took : 4 ms
[2025-06-04 19:56:04] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-04 19:56:04] [INFO ] Flatten gal took : 2 ms
[2025-06-04 19:56:04] [INFO ] Flatten gal took : 4 ms
[2025-06-04 19:56:04] [INFO ] Time to serialize gal into /tmp/CTLFireability15647044869732700843.gal : 1 ms
[2025-06-04 19:56:04] [INFO ] Time to serialize properties into /tmp/CTLFireability11009982759461542123.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15647044869732700843.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11009982759461542123.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,282144,0.267267,12772,2,4348,5,42201,6,0,212,35554,0


Converting to forward existential form...Done !
original formula: AF(AX(!(A((EF(((p13>=1)&&(l107>=1))) + ((s1>=1)&&(l357>=1))) U ((p17>=1)&&(l285>=1))))))
=> equivalent forward existential formula: [FwdG(Init,!(!(EX(!(!(!((E(!(((p17>=1)&&(l285>=1))) U (!((E(TRUE U ((p13>=1)&&(l107>=1))) + ((s1>=1)&&(l357>=1))...234
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t21, t31, t32, t33, t34, t35, t36, t37, t38, t40, t42, Intersection with re...232
(forward)formula 0,1,3.56473,109840,1,0,461,593187,122,174,1468,512831,540
FORMULA RingSingleMessageInMbox-PT-d0m020-CTLFireability-2023-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

[2025-06-04 19:56:08] [INFO ] Flatten gal took : 4 ms
[2025-06-04 19:56:08] [INFO ] Flatten gal took : 3 ms
Total runtime 95259 ms.

BK_STOP 1749066968628

--------------------
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
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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-d0m020"
export BK_EXAMINATION="CTLFireability"
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-d0m020, examination is CTLFireability"
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-174889264000378"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m020.tgz
mv RingSingleMessageInMbox-PT-d0m020 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;