Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994100340.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-100A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994100340
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 748K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K 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 3.7K 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 273K 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-100A-LTLFireability-00
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-01
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-02
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-03
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-04
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-05
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-06
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-07
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-08
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-09
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-10
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-11
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-12
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-13
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-14
FORMULA_NAME ShieldRVt-PT-100A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749139266875

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-100A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 16:01:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 16:01:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 16:01:08] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2025-06-05 16:01:08] [INFO ] Transformed 803 places.
[2025-06-05 16:01:08] [INFO ] Transformed 803 transitions.
[2025-06-05 16:01:08] [INFO ] Found NUPN structural information;
[2025-06-05 16:01:08] [INFO ] Parsed PT model containing 803 places and 803 transitions and 3406 arcs in 225 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldRVt-PT-100A-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-100A-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-100A-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 93 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
// Phase 1: matrix 802 rows 803 cols
[2025-06-05 16:01:08] [INFO ] Computed 401 invariants in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:01:09] [INFO ] Implicit Places using invariants in 861 ms returned []
[2025-06-05 16:01:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:01:10] [INFO ] Implicit Places using invariants and state equation in 984 ms returned []
Implicit Place search using SMT with State Equation took 1886 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:01:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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(s662 0.0)
(s663 1.0)
(s664 0.0)
(s665 1.0)
(s666 0.0)
(s667 1.0)
(s668 0.0)
(s669 1.0)
(s670 0.0)
(s671 1.0)
(s672 0.0)
(s673 1.0)
(s674 0.0)
(s675 1.0)
(s676 0.0)
(s677 1.0)
(s678 0.0)
(s679 1.0)
(s680 0.0)
(s681 1.0)
(s682 0.0)
(s683 1.0)
(s684 0.0)
(s685 1.0)
(s686 0.0)
(s687 1.0)
(s688 0.0)
(s689 1.0)
(s690 0.0)
(s691 1.0)
(s692 0.0)
(s693 1.0)
(s694 0.0)
(s695 1.0)
(s696 0.0)
(s697 1.0)
(s698 0.0)
(s699 1.0)
(s700 0.0)
(s701 1.0)
(s702 0.0)
(s703 1.0)
(s704 0.0)
(s705 1.0)
(s706 0.0)
(s707 1.0)
(s708 0.0)
(s709 1.0)
(s710 0.0)
(s711 1.0)
(s712 0.0)
(s713 1.0)
(s714 0.0)
(s715 1.0)
(s716 0.0)
(s717 1.0)
(s718 0.0)
(s719 1.0)
(s720 0.0)
(s721 1.0)
(s722 0.0)
(s723 1.0)
(s724 0.0)
(s725 1.0)
(s726 0.0)
(s727 1.0)
(s728 0.0)
(s729 1.0)
(s730 0.0)
(s731 1.0)
(s732 0.0)
(s733 1.0)
(s734 0.0)
(s735 1.0)
(s736 0.0)
(s737 1.0)
(s738 0.0)
(s739 1.0)
(s740 0.0)
(s741 1.0)
(s742 0.0)
(s743 1.0)
(s744 0.0)
(s745 1.0)
(s746 0.0)
(s747 1.0)
(s748 0.0)
(s749 1.0)
(s750 0.0)
(s751 1.0)
(s752 0.0)
(s753 1.0)
(s754 0.0)
(s755 1.0)
(s756 0.0)
(s757 1.0)
(s758 0.0)
(s759 1.0)
(s760 0.0)
(s761 1.0)
(s762 0.0)
(s763 1.0)
(s764 0.0)
(s765 1.0)
(s766 0.0)
(s767 1.0)
(s768 0.0)
(s769 1.0)
(s770 0.0)
(s771 1.0)
(s772 0.0)
(s773 1.0)
(s774 0.0)
(s775 1.0)
(s776 0.0)
(s777 1.0)
(s778 0.0)
(s779 1.0)
(s780 0.0)
(s781 1.0)
(s782 0.0)
(s783 1.0)
(s784 0.0)
(s785 1.0)
(s786 0.0)
(s787 1.0)
(s788 0.0)
(s789 1.0)
(s790 0.0)
(s791 1.0)
(s792 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30061 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30021 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60472ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60488ms
Finished structural reductions in LTL mode , in 1 iterations and 62504 ms. Remains : 803/803 places, 802/802 transitions.
Support contains 60 out of 803 places after structural reductions.
[2025-06-05 16:02:11] [INFO ] Flatten gal took : 153 ms
[2025-06-05 16:02:11] [INFO ] Flatten gal took : 78 ms
[2025-06-05 16:02:11] [INFO ] Input system was already deterministic with 802 transitions.
RANDOM walk for 40000 steps (8 resets) in 2657 ms. (15 steps per ms) remains 27/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 53 ms. (74 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 45 ms. (87 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 60 ms. (65 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 45 ms. (87 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 55 ms. (71 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
[2025-06-05 16:02:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 54/107 variables, 53/106 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 54/160 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 696/803 variables, 348/508 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 696/1204 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 10 (OVERLAPS) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1605/1605 variables, and 2007 constraints, problems are : Problem set: 0 solved, 27 unsolved in 2137 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 54/107 variables, 53/106 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 54/160 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 696/803 variables, 348/508 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 696/1204 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 27/2034 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1605 variables, 0/2034 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1605/1605 variables, and 2034 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5017 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7181ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 53 out of 803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 802 transition count 801
Partial Free-agglomeration rule applied 89 times.
Drop transitions (Partial Free agglomeration) removed 89 transitions
Iterating global reduction 0 with 89 rules applied. Total rules applied 91 place count 802 transition count 801
Drop transitions (Redundant composition of simpler transitions.) removed 89 transitions
Redundant transition composition rules discarded 89 transitions
Iterating global reduction 0 with 89 rules applied. Total rules applied 180 place count 802 transition count 712
Applied a total of 180 rules in 205 ms. Remains 802 /803 variables (removed 1) and now considering 712/802 (removed 90) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 802/803 places, 712/802 transitions.
RANDOM walk for 40000 steps (8 resets) in 1016 ms. (39 steps per ms) remains 22/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 37 ms. (105 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 47 ms. (83 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 57 ms. (69 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
// Phase 1: matrix 712 rows 802 cols
[2025-06-05 16:02:20] [INFO ] Computed 401 invariants in 10 ms
[2025-06-05 16:02:20] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (OVERLAPS) 43/85 variables, 42/84 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 43/127 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 717/802 variables, 359/486 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 717/1203 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 712/1514 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1514 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1514 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (OVERLAPS) 0/1514 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1514/1514 variables, and 2007 constraints, problems are : Problem set: 0 solved, 22 unsolved in 1641 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (OVERLAPS) 43/85 variables, 42/84 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 43/127 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 717/802 variables, 359/486 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 717/1203 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 712/1514 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1514 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1514 variables, 22/2029 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1514 variables, 0/2029 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 0/1514 variables, 0/2029 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1514/1514 variables, and 2029 constraints, problems are : Problem set: 0 solved, 22 unsolved in 5499 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7173ms problems are : Problem set: 0 solved, 22 unsolved
Fused 22 Parikh solutions to 14 different solutions.
Parikh walk visited 0 properties in 5556 ms.
Support contains 42 out of 802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 802/802 places, 712/712 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 802 transition count 712
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 802 transition count 711
Applied a total of 2 rules in 61 ms. Remains 802 /802 variables (removed 0) and now considering 711/712 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 802/802 places, 711/712 transitions.
RANDOM walk for 40000 steps (8 resets) in 595 ms. (67 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 33 ms. (117 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 235000 steps, run timeout after 3003 ms. (steps per millisecond=78 ) properties seen :21 out of 22
Probabilistic random walk after 235000 steps, saw 233270 distinct states, run finished after 3009 ms. (steps per millisecond=78 ) properties seen :21
// Phase 1: matrix 711 rows 802 cols
[2025-06-05 16:02:37] [INFO ] Computed 401 invariants in 6 ms
[2025-06-05 16:02:37] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 789/802 variables, 395/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 789/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 711/1513 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1513 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1513 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1513 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1513/1513 variables, and 2007 constraints, problems are : Problem set: 0 solved, 1 unsolved in 529 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 789/802 variables, 395/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 789/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 711/1513 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1513 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1513 variables, 1/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1513 variables, 0/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1513 variables, 0/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1513/1513 variables, and 2008 constraints, problems are : Problem set: 0 solved, 1 unsolved in 658 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1213ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 909 ms.
Support contains 6 out of 802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 802/802 places, 711/711 transitions.
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 802 transition count 711
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 802 transition count 703
Applied a total of 16 rules in 51 ms. Remains 802 /802 variables (removed 0) and now considering 703/711 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 802/802 places, 703/711 transitions.
RANDOM walk for 40000 steps (8 resets) in 441 ms. (90 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 389 ms. (102 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 323960 steps, run timeout after 3002 ms. (steps per millisecond=107 ) properties seen :0 out of 1
Probabilistic random walk after 323960 steps, saw 321453 distinct states, run finished after 3002 ms. (steps per millisecond=107 ) properties seen :0
// Phase 1: matrix 703 rows 802 cols
[2025-06-05 16:02:42] [INFO ] Computed 401 invariants in 4 ms
[2025-06-05 16:02:42] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 789/802 variables, 395/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 789/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 703/1505 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1505 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1505 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1505 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1505/1505 variables, and 2007 constraints, problems are : Problem set: 0 solved, 1 unsolved in 508 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 789/802 variables, 395/414 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/802 variables, 789/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/802 variables, 0/1203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 703/1505 variables, 802/2005 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1505 variables, 2/2007 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1505 variables, 1/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1505 variables, 0/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1505 variables, 0/2008 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1505/1505 variables, and 2008 constraints, problems are : Problem set: 0 solved, 1 unsolved in 634 ms.
Refiners :[Domain max(s): 802/802 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 802/802 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1158ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1029 ms.
Support contains 6 out of 802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 802/802 places, 703/703 transitions.
Applied a total of 0 rules in 18 ms. Remains 802 /802 variables (removed 0) and now considering 703/703 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 802/802 places, 703/703 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 802/802 places, 703/703 transitions.
Applied a total of 0 rules in 18 ms. Remains 802 /802 variables (removed 0) and now considering 703/703 (removed 0) transitions.
[2025-06-05 16:02:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:02:45] [INFO ] Implicit Places using invariants in 384 ms returned [795]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 386 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 801/802 places, 703/703 transitions.
Applied a total of 0 rules in 20 ms. Remains 801 /801 variables (removed 0) and now considering 703/703 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 425 ms. Remains : 801/802 places, 703/703 transitions.
RANDOM walk for 40000 steps (8 resets) in 415 ms. (96 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 353 ms. (113 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 342954 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 1
Probabilistic random walk after 342954 steps, saw 340280 distinct states, run finished after 3002 ms. (steps per millisecond=114 ) properties seen :0
// Phase 1: matrix 703 rows 801 cols
[2025-06-05 16:02:48] [INFO ] Computed 400 invariants in 13 ms
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 788/801 variables, 394/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/801 variables, 788/1201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/801 variables, 0/1201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 703/1504 variables, 801/2002 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1504 variables, 0/2002 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1504 variables, 0/2002 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1504/1504 variables, and 2002 constraints, problems are : Problem set: 0 solved, 1 unsolved in 531 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 801/801 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/13 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 788/801 variables, 394/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/801 variables, 788/1201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/801 variables, 0/1201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 703/1504 variables, 801/2002 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1504 variables, 1/2003 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1504 variables, 0/2003 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1504 variables, 0/2003 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1504/1504 variables, and 2003 constraints, problems are : Problem set: 0 solved, 1 unsolved in 656 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 801/801 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1216ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1117 ms.
Support contains 6 out of 801 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 801/801 places, 703/703 transitions.
Applied a total of 0 rules in 18 ms. Remains 801 /801 variables (removed 0) and now considering 703/703 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 801/801 places, 703/703 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 801/801 places, 703/703 transitions.
Applied a total of 0 rules in 17 ms. Remains 801 /801 variables (removed 0) and now considering 703/703 (removed 0) transitions.
[2025-06-05 16:02:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:02:51] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-05 16:02:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:02:52] [INFO ] Implicit Places using invariants and state equation in 786 ms returned []
Implicit Place search using SMT with State Equation took 1212 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 16:02:52] [INFO ] Redundant transitions in 36 ms returned []
Running 702 sub problems to find dead transitions.
[2025-06-05 16:02:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 800/800 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 2 (OVERLAPS) 1/801 variables, 400/1200 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/801 variables, 1/1201 constraints. Problems are: Problem set: 0 solved, 702 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 801/1504 variables, and 1201 constraints, problems are : Problem set: 0 solved, 702 unsolved in 30021 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/801 constraints, PredecessorRefiner: 702/702 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 702 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 800/800 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/800 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 2 (OVERLAPS) 1/801 variables, 400/1200 constraints. Problems are: Problem set: 0 solved, 702 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/801 variables, 1/1201 constraints. Problems are: Problem set: 0 solved, 702 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 801/1504 variables, and 1201 constraints, problems are : Problem set: 0 solved, 702 unsolved in 30024 ms.
Refiners :[Domain max(s): 801/801 constraints, Positive P Invariants (semi-flows): 400/400 constraints, State Equation: 0/801 constraints, PredecessorRefiner: 0/702 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60226ms problems are : Problem set: 0 solved, 702 unsolved
Search for dead transitions found 0 dead transitions in 60228ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61501 ms. Remains : 801/801 places, 703/703 transitions.
FORMULA ShieldRVt-PT-100A-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p1))&&p0)))'
Support contains 6 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 9 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
// Phase 1: matrix 802 rows 803 cols
[2025-06-05 16:03:52] [INFO ] Computed 401 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:03:53] [INFO ] Implicit Places using invariants in 359 ms returned []
[2025-06-05 16:03:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:03:53] [INFO ] Implicit Places using invariants and state equation in 799 ms returned []
Implicit Place search using SMT with State Equation took 1162 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:03:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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(s742 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30030 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30018 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60228ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60230ms
Finished structural reductions in LTL mode , in 1 iterations and 61404 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 294 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-01 finished in 61771 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U ((F(p1) U p0)&&X(X(p2)))))'
Support contains 7 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 12 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:04:54] [INFO ] Implicit Places using invariants in 343 ms returned []
[2025-06-05 16:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:04:55] [INFO ] Implicit Places using invariants and state equation in 760 ms returned []
Implicit Place search using SMT with State Equation took 1106 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:04:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30031 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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(s710 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30019 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60220ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60223ms
Finished structural reductions in LTL mode , in 1 iterations and 61346 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 354 ms :[(OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), true, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 863 ms.
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-03 finished in 62593 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(((p0 U p1)&&(F(X(p2))||F(X(p0))||p2)))))'
Support contains 5 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 9 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:05:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:05:57] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-05 16:05:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:05:58] [INFO ] Implicit Places using invariants and state equation in 816 ms returned []
Implicit Place search using SMT with State Equation took 1176 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:05:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30018 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30037 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60236ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60242ms
Finished structural reductions in LTL mode , in 1 iterations and 61429 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 172 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 786 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 1 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-04 finished in 62417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0)||G(!p1)) U (F(p2) U p3)) U X(p0)))'
Support contains 7 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 13 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:06:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:06:59] [INFO ] Implicit Places using invariants in 362 ms returned []
[2025-06-05 16:06:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:07:00] [INFO ] Implicit Places using invariants and state equation in 752 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:07:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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(s350 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30022 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30026 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60229ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60231ms
Finished structural reductions in LTL mode , in 1 iterations and 61361 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 685 ms :[(NOT p0), (AND (NOT p2) p3 p1 (NOT p0)), (AND (NOT p0) (NOT p3)), (NOT p0), (AND p3 (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p3)), (NOT p2), (AND (NOT p2) p1), (NOT p3), (AND p0 p1 (NOT p3)), (NOT p3), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-05
Product exploration explored 100000 steps with 1 reset in 738 ms.
Product exploration explored 100000 steps with 5 reset in 904 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1))), (X (NOT (AND p3 (NOT p2) (NOT p0)))), (X (AND (NOT p3) (NOT p0))), (X (AND (NOT p3) (NOT p2) (NOT p0))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND (NOT p3) (NOT p0) p1))), (X (NOT p1)), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (OR (AND (NOT p3) p0) (AND (NOT p3) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT (AND (NOT p3) p0 p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p3) (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 35 factoid took 203 ms. Reduced automaton from 14 states, 47 edges and 4 AP (stutter sensitive) to 14 states, 44 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 700 ms :[(NOT p0), (AND (NOT p2) (NOT p0) p1 p3), (AND (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p2) p3), (AND (NOT p0) (NOT p3)), (NOT p2), (AND (NOT p2) p1), (NOT p3), (AND p0 p1 (NOT p3)), (NOT p3), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p3))]
RANDOM walk for 40000 steps (8 resets) in 683 ms. (58 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 63 ms. (62 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 61 ms. (64 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 66 ms. (59 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 52 ms. (75 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 53 ms. (74 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 27/27 properties
Finished probabilistic random walk after 53851 steps, run visited all 27 properties in 1421 ms. (steps per millisecond=37 )
Probabilistic random walk after 53851 steps, saw 53135 distinct states, run finished after 1431 ms. (steps per millisecond=37 ) properties seen :27
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1))), (X (NOT (AND p3 (NOT p2) (NOT p0)))), (X (AND (NOT p3) (NOT p0))), (X (AND (NOT p3) (NOT p2) (NOT p0))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND (NOT p3) (NOT p0) p1))), (X (NOT p1)), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (OR (AND (NOT p3) p0) (AND (NOT p3) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT (AND (NOT p3) p0 p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p3) (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p2), (F (NOT (OR p0 p1 p2 (NOT p3)))), (F p3), (F (NOT (OR (NOT p0) p1 p2 p3))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (NOT (OR (NOT p0) p1 p3))), (F (NOT (OR p0 (NOT p1) p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F (NOT (OR p0 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p1 p2))), (F (NOT (OR (AND p0 (NOT p3)) (AND (NOT p1) (NOT p3))))), (F (NOT (OR (NOT p0) (NOT p1) p3))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR (NOT p0) (NOT p1) p2 p3))), (F (NOT (OR p0 (NOT p1) p3))), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F (NOT (OR (NOT p1) p2))), (F (NOT (OR p0 (NOT p1) p2 p3))), (F (NOT (OR (NOT p0) p2)))]
Knowledge based reduction with 35 factoid took 1374 ms. Reduced automaton from 14 states, 44 edges and 4 AP (stutter sensitive) to 14 states, 44 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 647 ms :[(NOT p0), (AND (NOT p2) (NOT p0) p1 p3), (AND (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p2) p3), (AND (NOT p0) (NOT p3)), (NOT p2), (AND (NOT p2) p1), (NOT p3), (AND p0 p1 (NOT p3)), (NOT p3), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 641 ms :[(NOT p0), (AND (NOT p2) (NOT p0) p1 p3), (AND (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p2) p3), (AND (NOT p0) (NOT p3)), (NOT p2), (AND (NOT p2) p1), (NOT p3), (AND p0 p1 (NOT p3)), (NOT p3), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p3))]
[2025-06-05 16:08:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1))), (X (NOT (AND p3 (NOT p2) (NOT p0)))), (X (AND (NOT p3) (NOT p0))), (X (AND (NOT p3) (NOT p2) (NOT p0))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND (NOT p3) (NOT p0) p1))), (X (NOT p1)), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (OR (AND (NOT p3) p0) (AND (NOT p3) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT (AND (NOT p3) p0 p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p3) (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p2), (F (NOT (OR p0 p1 p2 (NOT p3)))), (F p3), (F (NOT (OR (NOT p0) p1 p2 p3))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (NOT (OR (NOT p0) p1 p3))), (F (NOT (OR p0 (NOT p1) p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F (NOT (OR p0 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p1 p2))), (F (NOT (OR (AND p0 (NOT p3)) (AND (NOT p1) (NOT p3))))), (F (NOT (OR (NOT p0) (NOT p1) p3))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR (NOT p0) (NOT p1) p2 p3))), (F (NOT (OR p0 (NOT p1) p3))), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F (NOT (OR (NOT p1) p2))), (F (NOT (OR p0 (NOT p1) p2 p3))), (F (NOT (OR (NOT p0) p2))), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 35 factoid took 1326 ms. Reduced automaton from 14 states, 44 edges and 4 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-100A-LTLFireability-05 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-100A-LTLFireability-05 finished in 70977 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 803 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 802 transition count 801
Applied a total of 2 rules in 34 ms. Remains 802 /803 variables (removed 1) and now considering 801/802 (removed 1) transitions.
// Phase 1: matrix 801 rows 802 cols
[2025-06-05 16:08:10] [INFO ] Computed 401 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:08:11] [INFO ] Implicit Places using invariants in 457 ms returned [795]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 465 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 801/803 places, 801/802 transitions.
Applied a total of 0 rules in 19 ms. Remains 801 /801 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 518 ms. Remains : 801/803 places, 801/802 transitions.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 692 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-07 finished in 1296 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(p0)||F((G(F(p1))||(!p2&&F(p1)))))) U (X(G((X(p0)||F((G(F(p1))||(!p2&&F(p1)))))))||(!p2&&X((X(p0)||F((G(F(p1))||(!p2&&F(p1)))))))))))'
Support contains 5 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 7 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
// Phase 1: matrix 802 rows 803 cols
[2025-06-05 16:08:11] [INFO ] Computed 401 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:08:12] [INFO ] Implicit Places using invariants in 377 ms returned []
[2025-06-05 16:08:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:08:12] [INFO ] Implicit Places using invariants and state equation in 755 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:08:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30016 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30021 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60217ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60220ms
Finished structural reductions in LTL mode , in 1 iterations and 61365 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 455 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), false]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 2552 ms.
Product exploration explored 100000 steps with 33333 reset in 2679 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (NOT (AND p2 (NOT p1)))), (X p1), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X p1)), (X (X (NOT (AND p2 (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 20 ms. Reduced automaton from 10 states, 19 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-100A-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-100A-LTLFireability-08 finished in 67124 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&(F((G(!p1)&&X(p2))) U p3))))'
Support contains 7 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 12 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:09:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:09:19] [INFO ] Implicit Places using invariants in 345 ms returned []
[2025-06-05 16:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:09:20] [INFO ] Implicit Places using invariants and state equation in 755 ms returned []
Implicit Place search using SMT with State Equation took 1102 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:09:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30026 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30024 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60218ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60220ms
Finished structural reductions in LTL mode , in 1 iterations and 61340 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 331 ms :[(OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), (NOT p0), (OR (NOT p2) p1), (NOT p3), p1, (NOT p2)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-09
Product exploration explored 100000 steps with 1 reset in 695 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-09 finished in 62393 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0 U X(p1))) U (p2||G(p0)))))'
Support contains 6 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 14 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:10:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:10:21] [INFO ] Implicit Places using invariants in 342 ms returned []
[2025-06-05 16:10:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:10:22] [INFO ] Implicit Places using invariants and state equation in 725 ms returned []
Implicit Place search using SMT with State Equation took 1068 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:10:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30026 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30038 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60235ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60237ms
Finished structural reductions in LTL mode , in 1 iterations and 61321 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-10 finished in 61587 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F((G(p1)&&X(p0))))))'
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 7 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:11:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:11:23] [INFO ] Implicit Places using invariants in 460 ms returned []
[2025-06-05 16:11:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:11:24] [INFO ] Implicit Places using invariants and state equation in 748 ms returned []
Implicit Place search using SMT with State Equation took 1220 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:11:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30016 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30021 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60232ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60233ms
Finished structural reductions in LTL mode , in 1 iterations and 61463 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p0), (OR (NOT p1) (NOT p0)), (NOT p1), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-12 finished in 61679 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(!p0)&&F(p1))||X(G(!p0))))'
Support contains 7 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 11 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:12:24] [INFO ] Implicit Places using invariants in 352 ms returned []
[2025-06-05 16:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:12:25] [INFO ] Implicit Places using invariants and state equation in 758 ms returned []
Implicit Place search using SMT with State Equation took 1146 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:12:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30022 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
(s454 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30027 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60213ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60218ms
Finished structural reductions in LTL mode , in 1 iterations and 61378 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 179 ms :[p0, p0, (AND (NOT p1) p0), true, (NOT p1)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 3443 ms.
Product exploration explored 100000 steps with 50000 reset in 3531 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 17 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-100A-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-100A-LTLFireability-13 finished in 68572 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0 U (G(p0)||(p0&&G(!p1)))))))'
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 12 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:13:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:13:33] [INFO ] Implicit Places using invariants in 351 ms returned []
[2025-06-05 16:13:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:13:34] [INFO ] Implicit Places using invariants and state equation in 791 ms returned []
Implicit Place search using SMT with State Equation took 1143 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:13:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30022 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30022 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60227ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60229ms
Finished structural reductions in LTL mode , in 1 iterations and 61391 ms. Remains : 803/803 places, 802/802 transitions.
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p0), (AND (NOT p0) p1), p1, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 758 ms.
Product exploration explored 100000 steps with 0 reset in 923 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 65 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 710 ms. (56 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 381 ms. (104 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 394 ms. (101 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 392 ms. (101 steps per ms) remains 3/3 properties
[2025-06-05 16:14:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 794/803 variables, 397/410 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 794/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1605/1605 variables, and 2007 constraints, problems are : Problem set: 0 solved, 3 unsolved in 482 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 794/803 variables, 397/410 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 794/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 3/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1605 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1605 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1605/1605 variables, and 2010 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1086 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1597ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 3572 ms.
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 802 transition count 801
Partial Free-agglomeration rule applied 100 times.
Drop transitions (Partial Free agglomeration) removed 100 transitions
Iterating global reduction 0 with 100 rules applied. Total rules applied 102 place count 802 transition count 801
Drop transitions (Redundant composition of simpler transitions.) removed 100 transitions
Redundant transition composition rules discarded 100 transitions
Iterating global reduction 0 with 100 rules applied. Total rules applied 202 place count 802 transition count 701
Applied a total of 202 rules in 53 ms. Remains 802 /803 variables (removed 1) and now considering 701/802 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 802/803 places, 701/802 transitions.
RANDOM walk for 40000 steps (8 resets) in 486 ms. (82 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 489 ms. (81 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 39838 steps, run visited all 1 properties in 357 ms. (steps per millisecond=111 )
Probabilistic random walk after 39838 steps, saw 39188 distinct states, run finished after 357 ms. (steps per millisecond=111 ) properties seen :1
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p0))), (F (NOT (AND (NOT p1) p0))), (F p1), (F (NOT p0)), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 5 factoid took 232 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 183 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 9 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
[2025-06-05 16:14:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:14:44] [INFO ] Implicit Places using invariants in 404 ms returned []
[2025-06-05 16:14:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:14:44] [INFO ] Implicit Places using invariants and state equation in 719 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:14:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30024 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30027 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60231ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60232ms
Finished structural reductions in LTL mode , in 1 iterations and 61377 ms. Remains : 803/803 places, 802/802 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 79 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 594 ms. (67 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 292 ms. (136 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 279 ms. (142 steps per ms) remains 3/3 properties
[2025-06-05 16:15:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 794/803 variables, 397/410 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 794/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/1605 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1605/1605 variables, and 2007 constraints, problems are : Problem set: 0 solved, 3 unsolved in 513 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 794/803 variables, 397/410 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 794/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/803 variables, 0/1204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 802/1605 variables, 803/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1605 variables, 3/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1605 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1605 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1605/1605 variables, and 2010 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1180 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 803/803 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1703ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 3575 ms.
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 802 transition count 801
Partial Free-agglomeration rule applied 100 times.
Drop transitions (Partial Free agglomeration) removed 100 transitions
Iterating global reduction 0 with 100 rules applied. Total rules applied 102 place count 802 transition count 801
Drop transitions (Redundant composition of simpler transitions.) removed 100 transitions
Redundant transition composition rules discarded 100 transitions
Iterating global reduction 0 with 100 rules applied. Total rules applied 202 place count 802 transition count 701
Applied a total of 202 rules in 45 ms. Remains 802 /803 variables (removed 1) and now considering 701/802 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 802/803 places, 701/802 transitions.
RANDOM walk for 40000 steps (8 resets) in 386 ms. (103 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 39838 steps, run visited all 1 properties in 345 ms. (steps per millisecond=115 )
Probabilistic random walk after 39838 steps, saw 39188 distinct states, run finished after 345 ms. (steps per millisecond=115 ) properties seen :1
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p0))), (F (NOT (AND (NOT p1) p0))), (F p1), (F (NOT p0)), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 5 factoid took 292 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 12 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 213 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 747 ms.
Product exploration explored 100000 steps with 0 reset in 897 ms.
Applying partial POR strategy [true, true, true, true, false, false]
Stuttering acceptance computed with spot in 212 ms :[true, (NOT p0), p1, (AND (NOT p0) p1), (NOT p0), (NOT p0)]
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 803 transition count 802
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 113 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 16:15:54] [INFO ] Redundant transitions in 7 ms returned []
Running 801 sub problems to find dead transitions.
// Phase 1: matrix 802 rows 803 cols
[2025-06-05 16:15:54] [INFO ] Computed 401 invariants in 4 ms
[2025-06-05 16:15:54] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30020 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 16:16:47] [INFO ] Deduced a trap composed of 2 places in 42 ms of which 7 ms to minimize.
Problem TDEAD400 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/803 variables, 1/1205 constraints. Problems are: Problem set: 1 solved, 800 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1205 constraints, problems are : Problem set: 1 solved, 800 unsolved in 30023 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60259ms problems are : Problem set: 1 solved, 800 unsolved
Search for dead transitions found 1 dead transitions in 60261ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 803/803 places, 801/802 transitions.
Graph (complete) has 3200 edges and 803 vertex of which 802 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 25 ms. Remains 802 /803 variables (removed 1) and now considering 801/801 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 802/803 places, 801/802 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60419 ms. Remains : 802/803 places, 801/802 transitions.
Built C files in :
/tmp/ltsmin10529245242979160839
[2025-06-05 16:16:55] [INFO ] Built C files in 37ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10529245242979160839
Running compilation step : cd /tmp/ltsmin10529245242979160839;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1589 ms.
Running link step : cd /tmp/ltsmin10529245242979160839;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin10529245242979160839;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased8488998959390548997.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 803 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Applied a total of 0 rules in 19 ms. Remains 803 /803 variables (removed 0) and now considering 802/802 (removed 0) transitions.
// Phase 1: matrix 802 rows 803 cols
[2025-06-05 16:17:10] [INFO ] Computed 401 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:17:10] [INFO ] Implicit Places using invariants in 489 ms returned []
[2025-06-05 16:17:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:17:11] [INFO ] Implicit Places using invariants and state equation in 749 ms returned []
Implicit Place search using SMT with State Equation took 1268 ms to find 0 implicit places.
Running 801 sub problems to find dead transitions.
[2025-06-05 16:17:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
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(s342 0.0)
(s343 1.0)
(s344 0.0)
(s345 1.0)
(s346 0.0)
(s347 1.0)
(s348 0.0)
(s349 1.0)
(s350 0.0)
(s351 1.0)
(s352 0.0)
(s353 1.0)
(s354 0.0)
(s355 1.0)
(s356 0.0)
(s357 1.0)
(s358 0.0)
(s359 1.0)
(s360 0.0)
(s361 1.0)
(s362 0.0)
(s363 1.0)
(s364 0.0)
(s365 1.0)
(s366 0.0)
(s367 1.0)
(s368 0.0)
(s369 1.0)
(s370 0.0)
(s371 1.0)
(s372 0.0)
(s373 1.0)
(s374 0.0)
(s375 1.0)
(s376 0.0)
(s377 1.0)
(s378 0.0)
(s379 1.0)
(s380 0.0)
(s381 1.0)
(s382 0.0)
(s383 1.0)
(s384 0.0)
(s385 1.0)
(s386 0.0)
(s387 1.0)
(s388 0.0)
(s389 1.0)
(s390 0.0)
(s391 1.0)
(s392 0.0)
(s393 timeout
1.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30023 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 801/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 801 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/802 variables, 802/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/802 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 2 (OVERLAPS) 1/803 variables, 401/1203 constraints. Problems are: Problem set: 0 solved, 801 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 1/1204 constraints. Problems are: Problem set: 0 solved, 801 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/1605 variables, and 1204 constraints, problems are : Problem set: 0 solved, 801 unsolved in 30024 ms.
Refiners :[Domain max(s): 803/803 constraints, Positive P Invariants (semi-flows): 401/401 constraints, State Equation: 0/803 constraints, PredecessorRefiner: 0/801 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60222ms problems are : Problem set: 0 solved, 801 unsolved
Search for dead transitions found 0 dead transitions in 60224ms
Finished structural reductions in LTL mode , in 1 iterations and 61514 ms. Remains : 803/803 places, 802/802 transitions.
Built C files in :
/tmp/ltsmin18221398432733814089
[2025-06-05 16:18:11] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18221398432733814089
Running compilation step : cd /tmp/ltsmin18221398432733814089;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1357 ms.
Running link step : cd /tmp/ltsmin18221398432733814089;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin18221398432733814089;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15661637272609760537.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-05 16:18:26] [INFO ] Flatten gal took : 49 ms
[2025-06-05 16:18:26] [INFO ] Flatten gal took : 44 ms
[2025-06-05 16:18:26] [INFO ] Time to serialize gal into /tmp/LTL13979644758284124129.gal : 9 ms
[2025-06-05 16:18:27] [INFO ] Time to serialize properties into /tmp/LTL1119606181175563498.prop : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL13979644758284124129.gal' '-t' 'CGAL' '-hoa' '/tmp/aut820780011300310786.hoa' '-atoms' '/tmp/LTL1119606181175563498.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL1119606181175563498.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut820780011300310786.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 16:18:42] [INFO ] Flatten gal took : 39 ms
[2025-06-05 16:18:42] [INFO ] Flatten gal took : 39 ms
[2025-06-05 16:18:42] [INFO ] Time to serialize gal into /tmp/LTL5609546145342845136.gal : 7 ms
[2025-06-05 16:18:42] [INFO ] Time to serialize properties into /tmp/LTL8197967441877492426.ltl : 3 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5609546145342845136.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8197967441877492426.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X(("(p17==0)")U((G("(p17==0)"))||(("(p17==0)")&&(G(!("(((p696==1)&&(p698==1))&&(p703==1))")))))))))
Formula 0 simplified : XX(F"(((p696==1)&&(p698==1))&&(p703==1))" U !"(p17==0)")
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 16:18:57] [INFO ] Flatten gal took : 36 ms
[2025-06-05 16:18:57] [INFO ] Applying decomposition
[2025-06-05 16:18:57] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13035772980568321741.txt' '-o' '/tmp/graph13035772980568321741.bin' '-w' '/tmp/graph13035772980568321741.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13035772980568321741.bin' '-l' '-1' '-v' '-w' '/tmp/graph13035772980568321741.weights' '-q' '0' '-e' '0.001'
[2025-06-05 16:18:57] [INFO ] Decomposing Gal with order
[2025-06-05 16:18:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 16:18:57] [INFO ] Removed a total of 300 redundant transitions.
[2025-06-05 16:18:57] [INFO ] Flatten gal took : 95 ms
[2025-06-05 16:18:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 55 ms.
[2025-06-05 16:18:57] [INFO ] Time to serialize gal into /tmp/LTL1607164948057723797.gal : 16 ms
[2025-06-05 16:18:57] [INFO ] Time to serialize properties into /tmp/LTL261005432035163540.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1607164948057723797.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL261005432035163540.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !((X(X(("(i0.u8.p17==0)")U((G("(i0.u8.p17==0)"))||(("(i0.u8.p17==0)")&&(G(!("(((i27.u347.p696==1)&&(i27.u348.p698==1))&&(i27.u351.p703...170
Formula 0 simplified : XX(F"(((i27.u347.p696==1)&&(i27.u348.p698==1))&&(i27.u351.p703==1))" U !"(i0.u8.p17==0)")
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
9 unique states visited
9 strongly connected components in search stack
10 transitions explored
9 items max in DFS search stack
36 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.492422,34252,1,0,32060,147,2334,89394,66,222,40132
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA ShieldRVt-PT-100A-LTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property ShieldRVt-PT-100A-LTLFireability-14 finished in 325094 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)&&F(p0)))'
Support contains 2 out of 803 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 803/803 places, 802/802 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 802 transition count 801
Applied a total of 2 rules in 33 ms. Remains 802 /803 variables (removed 1) and now considering 801/802 (removed 1) transitions.
// Phase 1: matrix 801 rows 802 cols
[2025-06-05 16:18:58] [INFO ] Computed 401 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 16:18:58] [INFO ] Implicit Places using invariants in 374 ms returned [795]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 375 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 801/803 places, 801/802 transitions.
Applied a total of 0 rules in 17 ms. Remains 801 /801 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 432 ms. Remains : 801/803 places, 801/802 transitions.
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldRVt-PT-100A-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldRVt-PT-100A-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-100A-LTLFireability-15 finished in 595 ms.
All properties solved by simple procedures.
Total runtime 1070820 ms.

BK_STOP 1749140338924

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldRVt-PT-100A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldRVt-PT-100A, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901994100340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-100A.tgz
mv ShieldRVt-PT-100A execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;