Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901993800186.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)
..............................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldRVt-PT-001B, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901993800186
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 13K May 29 14:33 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 ShieldRVt-PT-001B-CTLFireability-2023-12
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2023-13
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2023-14
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2023-15
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-00
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-01
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-02
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-03
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-04
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-05
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-06
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-07
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-08
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-09
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-10
FORMULA_NAME ShieldRVt-PT-001B-CTLFireability-2025-11

=== Now, execution of the tool begins

BK_START 1749094955838

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-001B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202505121319
[2025-06-05 03:42:36] [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]
[2025-06-05 03:42:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 03:42:37] [INFO ] Load time of PNML (sax parser for PT used): 44 ms
[2025-06-05 03:42:37] [INFO ] Transformed 53 places.
[2025-06-05 03:42:37] [INFO ] Transformed 53 transitions.
[2025-06-05 03:42:37] [INFO ] Found NUPN structural information;
[2025-06-05 03:42:37] [INFO ] Parsed PT model containing 53 places and 53 transitions and 124 arcs in 135 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 13 ms.
Initial state reduction rules removed 1 formulas.
FORMULA ShieldRVt-PT-001B-CTLFireability-2023-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 48 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 53/53 (removed 0) transitions.
// Phase 1: matrix 53 rows 53 cols
[2025-06-05 03:42:37] [INFO ] Computed 5 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:37] [INFO ] Implicit Places using invariants in 162 ms returned []
[2025-06-05 03:42:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:37] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 272 ms to find 0 implicit places.
Running 52 sub problems to find dead transitions.
[2025-06-05 03:42:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 24 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 9/67 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 53/106 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:38] [INFO ] Deduced a trap composed of 23 places in 26 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/106 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/106 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 10 (OVERLAPS) 0/106 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 106/106 variables, and 123 constraints, problems are : Problem set: 0 solved, 52 unsolved in 2023 ms.
Refiners :[Domain max(s): 53/53 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 12/70 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:39] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 53/106 variables, 53/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/106 variables, 52/176 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:40] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/106 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:40] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/106 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:40] [INFO ] Deduced a trap along path composed of 7 places in 43 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/106 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/106 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 13 (OVERLAPS) 0/106 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 106/106 variables, and 179 constraints, problems are : Problem set: 0 solved, 52 unsolved in 2891 ms.
Refiners :[Domain max(s): 53/53 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4957ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 4970ms
Finished structural reductions in LTL mode , in 1 iterations and 5266 ms. Remains : 53/53 places, 53/53 transitions.
Support contains 48 out of 53 places after structural reductions.
[2025-06-05 03:42:42] [INFO ] Flatten gal took : 18 ms
[2025-06-05 03:42:42] [INFO ] Flatten gal took : 8 ms
[2025-06-05 03:42:42] [INFO ] Input system was already deterministic with 53 transitions.
Reduction of identical properties reduced properties to check from 65 to 57
RANDOM walk for 40000 steps (35 resets) in 1160 ms. (34 steps per ms) remains 8/57 properties
BEST_FIRST walk for 40004 steps (17 resets) in 127 ms. (312 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (28 resets) in 124 ms. (320 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (14 resets) in 121 ms. (327 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (33 resets) in 70 ms. (563 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40001 steps (23 resets) in 109 ms. (363 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (45 resets) in 79 ms. (500 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (37 resets) in 96 ms. (412 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (17 resets) in 66 ms. (597 steps per ms) remains 7/7 properties
[2025-06-05 03:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp32 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 19/19 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp59 is UNSAT
Problem AtomicPropp63 is UNSAT
After SMT solving in domain Real declared 53/106 variables, and 24 constraints, problems are : Problem set: 7 solved, 0 unsolved in 49 ms.
Refiners :[Domain max(s): 19/53 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/53 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 7 atomic propositions for a total of 15 simplifications.
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-05 03:42:43] [INFO ] Flatten gal took : 5 ms
[2025-06-05 03:42:43] [INFO ] Flatten gal took : 4 ms
[2025-06-05 03:42:43] [INFO ] Input system was already deterministic with 53 transitions.
Support contains 45 out of 53 places (down from 46) after GAL structural reductions.
Computed a total of 16 stabilizing places and 16 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 43 transition count 43
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 43 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 42 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 42 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 41 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 41 transition count 41
Applied a total of 24 rules in 8 ms. Remains 41 /53 variables (removed 12) and now considering 41/53 (removed 12) transitions.
// Phase 1: matrix 41 rows 41 cols
[2025-06-05 03:42:43] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:43] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-05 03:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:43] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 40 sub problems to find dead transitions.
[2025-06-05 03:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:43] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:43] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:43] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/82 variables, 41/49 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:44] [INFO ] Deduced a trap composed of 9 places in 20 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:44] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 0/82 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 82/82 variables, and 51 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/82 variables, 41/50 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 40/90 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:44] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:44] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:45] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:45] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:45] [INFO ] Deduced a trap along path composed of 6 places in 25 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (OVERLAPS) 0/82 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 82/82 variables, and 96 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1400 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2429ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 2429ms
Starting structural reductions in LTL mode, iteration 1 : 41/53 places, 41/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2511 ms. Remains : 41/53 places, 41/53 transitions.
[2025-06-05 03:42:45] [INFO ] Flatten gal took : 6 ms
[2025-06-05 03:42:45] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:45] [INFO ] Input system was already deterministic with 41 transitions.
[2025-06-05 03:42:45] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:46] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:46] [INFO ] Time to serialize gal into /tmp/CTLFireability17527961028800097327.gal : 1 ms
[2025-06-05 03:42:46] [INFO ] Time to serialize properties into /tmp/CTLFireability17767102975512930825.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/CTLFireability17527961028800097327.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17767102975512930825.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,9438,0.028918,4292,2,304,5,2789,6,0,207,3783,0


Converting to forward existential form...Done !
original formula: AX(((p43==0) * AG(AF(EG(((p1==0)||(p34==0)))))))
=> equivalent forward existential formula: ([(EY(Init) * !((p43==0)))] = FALSE * [FwdG(FwdU(EY(Init),TRUE),!(EG(((p1==0)||(p34==0)))))] = FALSE)
Reverse transition relation is NOT exact ! Due to transitions t3, t8, t10, t13, t17, t20, t22, t26, t30, t31, t34, Intersection with reachable at each ste...213
(forward)formula 0,1,0.336459,20988,1,0,484,104612,111,229,1187,113877,548
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 43 transition count 43
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 43 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 42 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 42 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 41 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 41 transition count 41
Applied a total of 24 rules in 3 ms. Remains 41 /53 variables (removed 12) and now considering 41/53 (removed 12) transitions.
// Phase 1: matrix 41 rows 41 cols
[2025-06-05 03:42:46] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:46] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-05 03:42:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:46] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Running 40 sub problems to find dead transitions.
[2025-06-05 03:42:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:46] [INFO ] Deduced a trap composed of 21 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/82 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 0/82 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 82/82 variables, and 47 constraints, problems are : Problem set: 0 solved, 40 unsolved in 702 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/41 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/82 variables, 41/47 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 40/87 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 4/91 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap along path composed of 8 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:47] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:48] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:48] [INFO ] Deduced a trap along path composed of 7 places in 17 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/82 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (OVERLAPS) 0/82 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 82/82 variables, and 95 constraints, problems are : Problem set: 0 solved, 40 unsolved in 2537 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 3245ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 3245ms
Starting structural reductions in LTL mode, iteration 1 : 41/53 places, 41/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3314 ms. Remains : 41/53 places, 41/53 transitions.
[2025-06-05 03:42:49] [INFO ] Flatten gal took : 13 ms
[2025-06-05 03:42:49] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:49] [INFO ] Input system was already deterministic with 41 transitions.
[2025-06-05 03:42:49] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:49] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:49] [INFO ] Time to serialize gal into /tmp/CTLFireability936374070922827520.gal : 1 ms
[2025-06-05 03:42:49] [INFO ] Time to serialize properties into /tmp/CTLFireability11682051791231716184.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/CTLFireability936374070922827520.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11682051791231716184.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,9648,0.015682,4444,2,250,5,2501,6,0,207,3150,0


Converting to forward existential form...Done !
original formula: E(E(E(!(A((p24==1) U ((p27==1)&&(p46==1)))) U (p41==1)) U AX(AX((p10==1)))) U (p20==1))
=> equivalent forward existential formula: [(FwdU(Init,E(E(!(!((E(!(((p27==1)&&(p46==1))) U (!((p24==1)) * !(((p27==1)&&(p46==1))))) + EG(!(((p27==1)&&(p46...232
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t12, t16, t19, t25, t29, t32, t34, Intersection with reachable at each step enabled....202
(forward)formula 0,0,0.206688,14684,1,0,457,65449,123,238,1136,76620,540
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-01 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 : 53/53 places, 53/53 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 42 transition count 42
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 42 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 41 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 41 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 40 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 40 transition count 40
Applied a total of 26 rules in 14 ms. Remains 40 /53 variables (removed 13) and now considering 40/53 (removed 13) transitions.
// Phase 1: matrix 40 rows 40 cols
[2025-06-05 03:42:50] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:50] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-05 03:42:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:50] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-05 03:42:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:50] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/80 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/80 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 46 constraints, problems are : Problem set: 0 solved, 39 unsolved in 606 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/80 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 39/85 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:50] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:51] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:51] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/80 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:51] [INFO ] Deduced a trap along path composed of 7 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:51] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:51] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/80 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/80 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/80 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 91 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1531 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 2144ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 2145ms
Starting structural reductions in LTL mode, iteration 1 : 40/53 places, 40/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2221 ms. Remains : 40/53 places, 40/53 transitions.
[2025-06-05 03:42:52] [INFO ] Flatten gal took : 8 ms
[2025-06-05 03:42:52] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:52] [INFO ] Input system was already deterministic with 40 transitions.
[2025-06-05 03:42:52] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:52] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:52] [INFO ] Time to serialize gal into /tmp/CTLFireability10173351371152025447.gal : 0 ms
[2025-06-05 03:42:52] [INFO ] Time to serialize properties into /tmp/CTLFireability18039965741618470900.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/CTLFireability10173351371152025447.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability18039965741618470900.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,8472,0.014705,4440,2,239,5,2438,6,0,202,3140,0


Converting to forward existential form...Done !
original formula: EG(EX(EF((AF((p5==1)) * EG((p7==1))))))
=> equivalent forward existential formula: [FwdG(Init,EX(E(TRUE U (!(EG(!((p5==1)))) * EG((p7==1))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t12, t16, t19, t25, t29, t30, t33, Intersection with reachable at each step enabled....202
(forward)formula 0,0,0.224075,15936,1,0,352,71717,115,193,1099,89928,456
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-02 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 : 53/53 places, 53/53 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 45 transition count 45
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 45 transition count 45
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 44 transition count 44
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 44 transition count 44
Applied a total of 18 rules in 5 ms. Remains 44 /53 variables (removed 9) and now considering 44/53 (removed 9) transitions.
// Phase 1: matrix 44 rows 44 cols
[2025-06-05 03:42:52] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:52] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-05 03:42:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:52] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-05 03:42:52] [INFO ] Invariant cache hit.
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, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:52] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/88 variables, 44/50 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (OVERLAPS) 0/88 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 50 constraints, problems are : Problem set: 0 solved, 43 unsolved in 711 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap composed of 24 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 44/88 variables, 44/51 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 43/94 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 4/98 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:53] [INFO ] Deduced a trap along path composed of 7 places in 20 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 0/88 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 100 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1289 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2003ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2004ms
Starting structural reductions in LTL mode, iteration 1 : 44/53 places, 44/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2081 ms. Remains : 44/53 places, 44/53 transitions.
[2025-06-05 03:42:54] [INFO ] Flatten gal took : 6 ms
[2025-06-05 03:42:54] [INFO ] Flatten gal took : 5 ms
[2025-06-05 03:42:54] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-05 03:42:54] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:54] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:54] [INFO ] Time to serialize gal into /tmp/CTLFireability16507549033720779528.gal : 1 ms
[2025-06-05 03:42:54] [INFO ] Time to serialize properties into /tmp/CTLFireability16170888599472852156.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/CTLFireability16507549033720779528.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16170888599472852156.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,11558,0.017944,4608,2,339,5,3421,6,0,222,4411,0


Converting to forward existential form...Done !
original formula: E((EX(!(((EF((p44==1)) + (p30==1)) * EG((p10==1))))) * ((AG(A((p5==1) U (p42==1))) + EG(A((p8==1) U (p42==1)))) + (p45==1))) U AG((EF(((p...196
=> equivalent forward existential formula: [(FwdU(Init,(EX(!(((E(TRUE U (p44==1)) + (p30==1)) * EG((p10==1))))) * ((!(E(TRUE U !(!((E(!((p42==1)) U (!((p5=...380
Reverse transition relation is NOT exact ! Due to transitions t4, t8, t10, t14, t18, t23, t27, t29, t32, t35, t37, Intersection with reachable at each ste...213
Using saturation style SCC detection
(forward)formula 0,1,0.431023,24880,1,0,500,132188,146,273,1339,141714,631
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 48 transition count 48
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 48 transition count 48
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 47 transition count 47
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 47 transition count 47
Applied a total of 12 rules in 3 ms. Remains 47 /53 variables (removed 6) and now considering 47/53 (removed 6) transitions.
// Phase 1: matrix 47 rows 47 cols
[2025-06-05 03:42:55] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:55] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-05 03:42:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:55] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-05 03:42:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/47 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 21 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 21 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 10 places in 19 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 47/94 variables, 47/59 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:55] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:56] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/94 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/94 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/94 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 61 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1399 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 47/47 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 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) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/47 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:56] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:56] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:56] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:56] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/47 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 47/94 variables, 47/65 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 46/111 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:57] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/94 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:57] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:57] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/94 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/94 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 11 (OVERLAPS) 0/94 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 94/94 variables, and 114 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1515 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 47/47 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2917ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 2918ms
Starting structural reductions in LTL mode, iteration 1 : 47/53 places, 47/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2992 ms. Remains : 47/53 places, 47/53 transitions.
[2025-06-05 03:42:58] [INFO ] Flatten gal took : 4 ms
[2025-06-05 03:42:58] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:58] [INFO ] Input system was already deterministic with 47 transitions.
[2025-06-05 03:42:58] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:42:58] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:42:58] [INFO ] Time to serialize gal into /tmp/CTLFireability1887098713070587657.gal : 0 ms
[2025-06-05 03:42:58] [INFO ] Time to serialize properties into /tmp/CTLFireability6278459127631544134.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/CTLFireability1887098713070587657.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6278459127631544134.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,14413,0.023726,4916,2,462,5,3978,6,0,237,6582,0


Converting to forward existential form...Done !
original formula: (AG(A((p4==1) U (((A((p30==1) U (p45==1)) * ((p36==1)||(p48==1))) * (p13!=1)) + AX((p52!=1))))) + E((AX(((((p17==1)&&(p23==1))&&(p39==1))...232
=> equivalent forward existential formula: ([(EY(((FwdU(FwdU((Init * !(E((!(EX(!(((((p17==1)&&(p23==1))&&(p39==1))||(p28==1))))) + !(!(EG(!((p16==1)))))) U...804
Reverse transition relation is NOT exact ! Due to transitions t4, t5, t9, t11, t12, t15, t16, t20, t22, t26, t30, t31, t32, t33, t36, t37, t39, t40, Inter...247
(forward)formula 0,1,1.14066,54888,1,0,1107,296205,153,577,1299,385865,1269
FORMULA ShieldRVt-PT-001B-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 : 53/53 places, 53/53 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 45 transition count 45
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 45 transition count 45
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 44 transition count 44
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 44 transition count 44
Applied a total of 18 rules in 2 ms. Remains 44 /53 variables (removed 9) and now considering 44/53 (removed 9) transitions.
// Phase 1: matrix 44 rows 44 cols
[2025-06-05 03:42:59] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:59] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-05 03:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:42:59] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-05 03:42:59] [INFO ] Invariant cache hit.
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, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:59] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:59] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:59] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:59] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:42:59] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 44/88 variables, 44/54 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 0/88 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 88/88 variables, and 54 constraints, problems are : Problem set: 0 solved, 43 unsolved in 896 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 1/44 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 44/88 variables, 44/54 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 43/97 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:00] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:00] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:00] [INFO ] Deduced a trap along path composed of 8 places in 29 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 0/88 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 88/88 variables, and 100 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1111 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 44/44 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2011ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2012ms
Starting structural reductions in LTL mode, iteration 1 : 44/53 places, 44/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2087 ms. Remains : 44/53 places, 44/53 transitions.
[2025-06-05 03:43:01] [INFO ] Flatten gal took : 5 ms
[2025-06-05 03:43:01] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:01] [INFO ] Input system was already deterministic with 44 transitions.
[2025-06-05 03:43:01] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:01] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:01] [INFO ] Time to serialize gal into /tmp/CTLFireability10428095110048007589.gal : 1 ms
[2025-06-05 03:43:01] [INFO ] Time to serialize properties into /tmp/CTLFireability14618531407789340016.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/CTLFireability10428095110048007589.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14618531407789340016.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,12674,0.025783,4740,2,392,5,3850,6,0,222,5496,0


Converting to forward existential form...Done !
original formula: AG(!(A(((((p25==1) * EG((p13==1))) + ((p29==1)&&(p16==1))) + (E((p44==1) U ((p39==1)&&(p51==1))) + EX((p32==1)))) U AX(EG((p48==1))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(EG(!(!(EX(!(EG((p48==1))))))))) * !(E(!(!(EX(!(EG((p48==1)))))) U (!(((((p25==1) * EG((p1...283
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t9, t13, t17, t19, t23, t27, t29, t33, t34, t36, t37, Intersection with reachable at...222
Using saturation style SCC detection
(forward)formula 0,0,0.289768,18852,1,0,409,97187,129,204,1256,86343,498
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 52 transition count 37
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 19 rules applied. Total rules applied 34 place count 37 transition count 33
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 37 place count 34 transition count 33
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 37 place count 34 transition count 31
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 41 place count 32 transition count 31
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 28 transition count 27
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 28 transition count 27
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 49 place count 28 transition count 26
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 51 place count 27 transition count 26
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 63 place count 21 transition count 20
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 64 place count 20 transition count 19
Applied a total of 64 rules in 23 ms. Remains 20 /53 variables (removed 33) and now considering 19/53 (removed 34) transitions.
// Phase 1: matrix 19 rows 20 cols
[2025-06-05 03:43:01] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:01] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-05 03:43:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:01] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 03:43:01] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2025-06-05 03:43:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 19/39 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:01] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 26 constraints, problems are : Problem set: 0 solved, 18 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 19/39 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 18/43 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 46 constraints, problems are : Problem set: 0 solved, 18 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 604ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 604ms
Starting structural reductions in SI_CTL mode, iteration 1 : 20/53 places, 19/53 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 693 ms. Remains : 20/53 places, 19/53 transitions.
[2025-06-05 03:43:02] [INFO ] Flatten gal took : 3 ms
[2025-06-05 03:43:02] [INFO ] Flatten gal took : 3 ms
[2025-06-05 03:43:02] [INFO ] Input system was already deterministic with 19 transitions.
[2025-06-05 03:43:02] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:02] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:02] [INFO ] Time to serialize gal into /tmp/CTLFireability13127906902044707673.gal : 1 ms
[2025-06-05 03:43:02] [INFO ] Time to serialize properties into /tmp/CTLFireability6062793764422604746.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/CTLFireability13127906902044707673.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6062793764422604746.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,454,0.014023,3988,2,74,5,896,6,0,101,1044,0


Converting to forward existential form...Done !
original formula: EF((AG((p30!=1)) * AF((((p49==0)||(p15==0)) * EG((p29==0))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(E(TRUE U !((p30!=1))))) * !(EG(!((((p49==0)||(p15==0)) * EG((p29==0)))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t2, t7, t9, t11, Intersection with reachable at each step enabled. (destroyed/reverse/inters...176
Using saturation style SCC detection
(forward)formula 0,1,0.053184,6292,1,0,216,13610,74,117,625,15725,248
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 46 transition count 46
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 46 transition count 46
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 45 transition count 45
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 45 transition count 45
Applied a total of 16 rules in 3 ms. Remains 45 /53 variables (removed 8) and now considering 45/53 (removed 8) transitions.
// Phase 1: matrix 45 rows 45 cols
[2025-06-05 03:43:02] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:02] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-05 03:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:02] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Running 44 sub problems to find dead transitions.
[2025-06-05 03:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:02] [INFO ] Deduced a trap composed of 24 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 45/90 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:03] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:03] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 56 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1116 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 45/45 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 45/90 variables, 45/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 44/100 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:03] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:03] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:03] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 3/103 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:04] [INFO ] Deduced a trap composed of 26 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:04] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:04] [INFO ] Deduced a trap along path composed of 8 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/90 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 0/90 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 106 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1934 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 45/45 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3054ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3054ms
Starting structural reductions in LTL mode, iteration 1 : 45/53 places, 45/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3122 ms. Remains : 45/53 places, 45/53 transitions.
[2025-06-05 03:43:05] [INFO ] Flatten gal took : 7 ms
[2025-06-05 03:43:05] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:05] [INFO ] Input system was already deterministic with 45 transitions.
[2025-06-05 03:43:05] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:05] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:05] [INFO ] Time to serialize gal into /tmp/CTLFireability17155993303348300793.gal : 0 ms
[2025-06-05 03:43:05] [INFO ] Time to serialize properties into /tmp/CTLFireability11429690469651180894.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/CTLFireability17155993303348300793.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11429690469651180894.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,13548,0.025829,5012,2,445,5,4603,6,0,227,7059,0


Converting to forward existential form...Done !
original formula: ((EF((p22==0)) * A(AX((p16==1)) U ((AG(((p45==1)&&(p13==1))) * AF((p31==1))) + EF((p48!=1))))) * E(AF((p36==1)) U EG(EX(EG((p48==1))))))
=> equivalent forward existential formula: [FwdG(FwdU((Init * (E(TRUE U (p22==0)) * !((E(!(((!(E(TRUE U !(((p45==1)&&(p13==1))))) * !(EG(!((p31==1))))) + E...433
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t8, t9, t13, t14, t18, t20, t23, t27, t28, t29, t30, t31, t34, t35, t37, t38, Inters...246
(forward)formula 0,0,1.1164,56236,1,0,1102,326759,148,560,1289,374236,1325
FORMULA ShieldRVt-PT-001B-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 : 53/53 places, 53/53 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 44 transition count 44
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 44 transition count 44
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 43 transition count 43
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 43 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 42 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 42 transition count 42
Applied a total of 22 rules in 4 ms. Remains 42 /53 variables (removed 11) and now considering 42/53 (removed 11) transitions.
// Phase 1: matrix 42 rows 42 cols
[2025-06-05 03:43:06] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:06] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-05 03:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:06] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-06-05 03:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:06] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:06] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:07] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/84 variables, 42/50 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (OVERLAPS) 0/84 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 50 constraints, problems are : Problem set: 0 solved, 41 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/84 variables, 42/50 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 41/91 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:07] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:07] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:07] [INFO ] Deduced a trap along path composed of 8 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:07] [INFO ] Deduced a trap along path composed of 7 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 0/84 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 95 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1198 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1932ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 1933ms
Starting structural reductions in LTL mode, iteration 1 : 42/53 places, 42/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2006 ms. Remains : 42/53 places, 42/53 transitions.
[2025-06-05 03:43:08] [INFO ] Flatten gal took : 4 ms
[2025-06-05 03:43:08] [INFO ] Flatten gal took : 4 ms
[2025-06-05 03:43:08] [INFO ] Input system was already deterministic with 42 transitions.
[2025-06-05 03:43:08] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:08] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:08] [INFO ] Time to serialize gal into /tmp/CTLFireability36829836611963493.gal : 0 ms
[2025-06-05 03:43:08] [INFO ] Time to serialize properties into /tmp/CTLFireability1035469885154960439.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/CTLFireability36829836611963493.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1035469885154960439.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 -...281
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,10355,0.020815,4580,2,287,5,2993,6,0,212,4007,0


Converting to forward existential form...Done !
original formula: AG((EG(EF(EX((p38==1)))) + (p21==1)))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !((p21==1))) * !(EG(E(TRUE U EX((p38==1))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t12, t17, t19, t20, t22, t28, t31, t32, t35, Intersection with reachable at each ste...213
Using saturation style SCC detection
(forward)formula 0,0,0.206303,14180,1,0,126,63104,115,60,1256,50469,143
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 52 transition count 45
Reduce places removed 7 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 10 rules applied. Total rules applied 17 place count 45 transition count 42
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 20 place count 42 transition count 42
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 20 place count 42 transition count 40
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 24 place count 40 transition count 40
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 26 place count 38 transition count 38
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 38 transition count 38
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 38 place count 33 transition count 33
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 33 transition count 33
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 40 place count 32 transition count 32
Applied a total of 40 rules in 17 ms. Remains 32 /53 variables (removed 21) and now considering 32/53 (removed 21) transitions.
// Phase 1: matrix 32 rows 32 cols
[2025-06-05 03:43:08] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:08] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-05 03:43:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:08] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 03:43:09] [INFO ] Redundant transitions in 0 ms returned []
Running 31 sub problems to find dead transitions.
[2025-06-05 03:43:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (OVERLAPS) 32/64 variables, 32/42 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/64 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (OVERLAPS) 0/64 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 42 constraints, problems are : Problem set: 0 solved, 31 unsolved in 632 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 1/32 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (OVERLAPS) 32/64 variables, 32/42 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/64 variables, 31/73 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:09] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/64 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:10] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/64 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/64 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 11 (OVERLAPS) 0/64 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 75 constraints, problems are : Problem set: 0 solved, 31 unsolved in 752 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1386ms problems are : Problem set: 0 solved, 31 unsolved
Search for dead transitions found 0 dead transitions in 1387ms
Starting structural reductions in SI_CTL mode, iteration 1 : 32/53 places, 32/53 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1474 ms. Remains : 32/53 places, 32/53 transitions.
[2025-06-05 03:43:10] [INFO ] Flatten gal took : 3 ms
[2025-06-05 03:43:10] [INFO ] Flatten gal took : 3 ms
[2025-06-05 03:43:10] [INFO ] Input system was already deterministic with 32 transitions.
[2025-06-05 03:43:10] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:10] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:10] [INFO ] Time to serialize gal into /tmp/CTLFireability3217118504287834654.gal : 1 ms
[2025-06-05 03:43:10] [INFO ] Time to serialize properties into /tmp/CTLFireability8764305561669637060.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/CTLFireability3217118504287834654.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8764305561669637060.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,2731,0.018516,4260,2,213,5,1817,6,0,162,2562,0


Converting to forward existential form...Done !
original formula: E(!((EF(((p45==1)||(p15==1))) * E(AG((p40!=1)) U (p25==1)))) U ((p48==1) + (((p43==1) * !((EF((p31==1)) + ((p10!=1)&&(p32==1))))) * (E((A...252
=> equivalent forward existential formula: ([(FwdU(Init,!((E(TRUE U ((p45==1)||(p15==1))) * E(!(E(TRUE U !((p40!=1)))) U (p25==1))))) * (p48==1))] != FALSE...687
Reverse transition relation is NOT exact ! Due to transitions t3, t4, t8, t9, t10, t11, t12, t18, t22, t23, t24, t31, Intersection with reachable at each ...216
(forward)formula 0,0,0.248348,16800,1,0,440,74171,124,262,937,97186,504
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 48 transition count 48
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 48 transition count 48
Applied a total of 10 rules in 6 ms. Remains 48 /53 variables (removed 5) and now considering 48/53 (removed 5) transitions.
// Phase 1: matrix 48 rows 48 cols
[2025-06-05 03:43:10] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:10] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-05 03:43:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:10] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2025-06-05 03:43:10] [INFO ] Invariant cache hit.
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: 0 solved, 47 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:10] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:10] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 23 places in 26 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:11] [INFO ] Deduced a trap composed of 24 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 48/96 variables, 48/65 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/96 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/96 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 65 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1399 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 48/48 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 12/12 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) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (OVERLAPS) 1/48 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 48/96 variables, 48/65 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 47/112 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:12] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:12] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/96 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/96 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (OVERLAPS) 0/96 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 114 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1636 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 48/48 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3040ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3040ms
Starting structural reductions in LTL mode, iteration 1 : 48/53 places, 48/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3116 ms. Remains : 48/53 places, 48/53 transitions.
[2025-06-05 03:43:13] [INFO ] Flatten gal took : 6 ms
[2025-06-05 03:43:13] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:13] [INFO ] Input system was already deterministic with 48 transitions.
[2025-06-05 03:43:13] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:13] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:13] [INFO ] Time to serialize gal into /tmp/CTLFireability9955767458933292988.gal : 0 ms
[2025-06-05 03:43:13] [INFO ] Time to serialize properties into /tmp/CTLFireability1730486146901948232.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/CTLFireability9955767458933292988.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1730486146901948232.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,17666,0.033775,5316,2,533,5,5640,6,0,242,8496,0


Converting to forward existential form...Done !
original formula: EF(((EG((((p1==1)&&(p34==1)) + ((EX((p38==0)) * (p48==0)) * (p9==0)))) * (p6==0)) * ((AF((p32==0)) + AF((p44==0))) + (((p12==0)&&(p42==1)...202
=> equivalent forward existential formula: (([((FwdU(Init,TRUE) * (EG((((p1==1)&&(p34==1)) + ((EX((p38==0)) * (p48==0)) * (p9==0)))) * (p6==0))) * !(EG(!((...653
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t9, t13, t18, t20, t21, t25, t29, t30, t32, t33, t39, t40, t41, t42, Intersection wi...237
Using saturation style SCC detection
(forward)formula 0,0,1.89658,72152,1,0,1048,462091,152,506,1377,453532,1185
FORMULA ShieldRVt-PT-001B-CTLFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 42 transition count 42
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 42 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 41 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 41 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 40 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 40 transition count 40
Applied a total of 26 rules in 10 ms. Remains 40 /53 variables (removed 13) and now considering 40/53 (removed 13) transitions.
// Phase 1: matrix 40 rows 40 cols
[2025-06-05 03:43:15] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:15] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-05 03:43:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:15] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-05 03:43:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:15] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/80 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/80 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 46 constraints, problems are : Problem set: 0 solved, 39 unsolved in 596 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/40 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/80 variables, 40/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 39/85 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:16] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:16] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:16] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/80 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:16] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:16] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:17] [INFO ] Deduced a trap along path composed of 7 places in 20 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/80 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/80 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/80 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 91 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1491 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 2089ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 2089ms
Starting structural reductions in LTL mode, iteration 1 : 40/53 places, 40/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2170 ms. Remains : 40/53 places, 40/53 transitions.
[2025-06-05 03:43:17] [INFO ] Flatten gal took : 5 ms
[2025-06-05 03:43:17] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:17] [INFO ] Input system was already deterministic with 40 transitions.
[2025-06-05 03:43:17] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:17] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:17] [INFO ] Time to serialize gal into /tmp/CTLFireability2487053783275525323.gal : 0 ms
[2025-06-05 03:43:17] [INFO ] Time to serialize properties into /tmp/CTLFireability16645904832849600534.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/CTLFireability2487053783275525323.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16645904832849600534.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,8472,0.018012,4436,2,239,5,2438,6,0,202,3140,0


Converting to forward existential form...Done !
original formula: A((p29==1) U !(AX((p25==1))))
=> equivalent forward existential formula: [((Init * !(EG(!(!(!(EX(!((p25==1))))))))) * !(E(!(!(!(EX(!((p25==1)))))) U (!((p29==1)) * !(!(!(EX(!((p25==1)))...172
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t12, t16, t19, t25, t29, t30, t33, Intersection with reachable at each step enabled....202
Using saturation style SCC detection
(forward)formula 0,1,0.046805,5716,1,0,106,9051,107,54,1148,8835,119
FORMULA ShieldRVt-PT-001B-CTLFireability-2023-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 53/53 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 44 transition count 44
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 44 transition count 44
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 43 transition count 43
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 43 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 42 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 42 transition count 42
Applied a total of 22 rules in 7 ms. Remains 42 /53 variables (removed 11) and now considering 42/53 (removed 11) transitions.
// Phase 1: matrix 42 rows 42 cols
[2025-06-05 03:43:17] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:17] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-05 03:43:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:18] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-06-05 03:43:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:18] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (OVERLAPS) 42/84 variables, 42/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 0/84 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 53 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/84 variables, 42/53 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 41/94 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:19] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:19] [INFO ] Deduced a trap composed of 17 places in 21 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:19] [INFO ] Deduced a trap along path composed of 8 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:19] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 03:43:19] [INFO ] Deduced a trap along path composed of 8 places in 18 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 11 (OVERLAPS) 0/84 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 99 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1780 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 2824ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 2824ms
Starting structural reductions in LTL mode, iteration 1 : 42/53 places, 42/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2897 ms. Remains : 42/53 places, 42/53 transitions.
[2025-06-05 03:43:20] [INFO ] Flatten gal took : 6 ms
[2025-06-05 03:43:20] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:20] [INFO ] Input system was already deterministic with 42 transitions.
[2025-06-05 03:43:20] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:20] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:20] [INFO ] Time to serialize gal into /tmp/CTLFireability17637162710625446244.gal : 0 ms
[2025-06-05 03:43:20] [INFO ] Time to serialize properties into /tmp/CTLFireability9160004409789373368.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/CTLFireability17637162710625446244.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9160004409789373368.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,10681,0.024117,4584,2,307,5,3092,6,0,212,4233,0


Converting to forward existential form...Done !
original formula: (AF((p49==1)) + EX(((EX(TRUE) * (p33==0)) + (p44==0))))
=> equivalent forward existential formula: [FwdG((Init * !(EX(((EX(TRUE) * (p33==0)) + (p44==0))))),!((p49==1)))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t3, t7, t9, t13, t17, t18, t21, t23, t27, t31, t32, t35, Intersection with reachable at each...217
(forward)formula 0,1,0.05873,6248,1,0,113,11609,111,50,1154,12262,114
FORMULA ShieldRVt-PT-001B-CTLFireability-2023-13 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 : 53/53 places, 53/53 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 52 transition count 44
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 17 place count 44 transition count 43
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 43 transition count 43
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 18 place count 43 transition count 38
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 28 place count 38 transition count 38
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 35 place count 31 transition count 31
Iterating global reduction 3 with 7 rules applied. Total rules applied 42 place count 31 transition count 31
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 42 place count 31 transition count 29
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 46 place count 29 transition count 29
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 58 place count 23 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 59 place count 22 transition count 22
Applied a total of 59 rules in 7 ms. Remains 22 /53 variables (removed 31) and now considering 22/53 (removed 31) transitions.
// Phase 1: matrix 22 rows 22 cols
[2025-06-05 03:43:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:20] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-05 03:43:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 03:43:20] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 03:43:20] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-05 03:43:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 22/44 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 0/44 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 27 constraints, problems are : Problem set: 0 solved, 20 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 22/44 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/44 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 47 constraints, problems are : Problem set: 0 solved, 20 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 387ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 387ms
Starting structural reductions in SI_CTL mode, iteration 1 : 22/53 places, 22/53 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 455 ms. Remains : 22/53 places, 22/53 transitions.
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:21] [INFO ] Input system was already deterministic with 22 transitions.
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 1 ms
[2025-06-05 03:43:21] [INFO ] Time to serialize gal into /tmp/CTLFireability5269047021175313587.gal : 0 ms
[2025-06-05 03:43:21] [INFO ] Time to serialize properties into /tmp/CTLFireability3537616732819224883.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/CTLFireability5269047021175313587.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3537616732819224883.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,1050,0.007718,3888,2,55,5,716,6,0,113,729,0


Converting to forward existential form...Done !
original formula: EF(((p35==1) * ((((p17==0)||(p23==0))||((p39==0)||(p11==1))) + ((p25==1) * !(A((p16==1) U (p13==1)))))))
=> equivalent forward existential formula: ([((FwdU(Init,TRUE) * (p35==1)) * (((p17==0)||(p23==0))||((p39==0)||(p11==1))))] != FALSE + ([(FwdU(((FwdU(Init,...313
(forward)formula 0,1,0.009523,4144,1,0,8,716,9,2,127,729,2
FORMULA ShieldRVt-PT-001B-CTLFireability-2023-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 2 ms
[2025-06-05 03:43:21] [INFO ] Flatten gal took : 2 ms
Total runtime 44433 ms.

BK_STOP 1749095001475

--------------------
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="ShieldRVt-PT-001B"
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 ShieldRVt-PT-001B, 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 r212-tall-174901993800186"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-001B.tgz
mv ShieldRVt-PT-001B 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 ;