Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264800764.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SafeBus-PT-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264800764
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 788K
-rw-r--r-- 1 mcc users 13K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 127K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 95K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SafeBus-PT-03-LTLFireability-00
FORMULA_NAME SafeBus-PT-03-LTLFireability-01
FORMULA_NAME SafeBus-PT-03-LTLFireability-02
FORMULA_NAME SafeBus-PT-03-LTLFireability-03
FORMULA_NAME SafeBus-PT-03-LTLFireability-04
FORMULA_NAME SafeBus-PT-03-LTLFireability-05
FORMULA_NAME SafeBus-PT-03-LTLFireability-06
FORMULA_NAME SafeBus-PT-03-LTLFireability-07
FORMULA_NAME SafeBus-PT-03-LTLFireability-08
FORMULA_NAME SafeBus-PT-03-LTLFireability-09
FORMULA_NAME SafeBus-PT-03-LTLFireability-10
FORMULA_NAME SafeBus-PT-03-LTLFireability-11
FORMULA_NAME SafeBus-PT-03-LTLFireability-12
FORMULA_NAME SafeBus-PT-03-LTLFireability-13
FORMULA_NAME SafeBus-PT-03-LTLFireability-14
FORMULA_NAME SafeBus-PT-03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749180482738

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-PT-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 03:28:03] [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]
[2025-06-06 03:28:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 03:28:04] [INFO ] Load time of PNML (sax parser for PT used): 73 ms
[2025-06-06 03:28:04] [INFO ] Transformed 57 places.
[2025-06-06 03:28:04] [INFO ] Transformed 91 transitions.
[2025-06-06 03:28:04] [INFO ] Found NUPN structural information;
[2025-06-06 03:28:04] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 167 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 3 places and 0 transitions.
FORMULA SafeBus-PT-03-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 42 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 7 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:04] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2025-06-06 03:28:04] [INFO ] Computed 17 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:04] [INFO ] Implicit Places using invariants in 212 ms returned [42]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 246 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 53/54 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 271 ms. Remains : 53/54 places, 91/91 transitions.
Support contains 42 out of 53 places after structural reductions.
[2025-06-06 03:28:04] [INFO ] Flatten gal took : 25 ms
[2025-06-06 03:28:04] [INFO ] Flatten gal took : 14 ms
[2025-06-06 03:28:04] [INFO ] Input system was already deterministic with 91 transitions.
Reduction of identical properties reduced properties to check from 29 to 24
RANDOM walk for 40000 steps (8 resets) in 991 ms. (40 steps per ms) remains 2/24 properties
BEST_FIRST walk for 40001 steps (8 resets) in 289 ms. (137 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 305 ms. (130 steps per ms) remains 2/2 properties
[2025-06-06 03:28:05] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 53 cols
[2025-06-06 03:28:05] [INFO ] Computed 16 invariants in 3 ms
[2025-06-06 03:28:05] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 14/22 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 14/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp27 is UNSAT
At refinement iteration 5 (OVERLAPS) 25/47 variables, 9/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 25/60 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:05] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 1/61 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/47 variables, 0/61 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp14 is UNSAT
After SMT solving in domain Real declared 53/121 variables, and 64 constraints, problems are : Problem set: 2 solved, 0 unsolved in 263 ms.
Refiners :[Domain max(s): 47/53 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/53 constraints, ReadFeed: 0/13 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 304ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 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' '!(G((G(p0)||(p1&&X(X(F(p2)))&&F(p3)))))'
Support contains 14 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:06] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:06] [INFO ] Implicit Places using invariants in 91 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 93 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 373 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), true, (NOT p0), (NOT p2), (NOT p3), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-00
Entered a terminal (fully accepting) state of product in 12 steps with 0 reset in 2 ms.
FORMULA SafeBus-PT-03-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-00 finished in 532 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 6 out of 53 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 11 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:06] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:06] [INFO ] Implicit Places using invariants in 106 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 108 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 5 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 124 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-02
Product exploration explored 100000 steps with 5130 reset in 270 ms.
Product exploration explored 100000 steps with 5077 reset in 183 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 61 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 39 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 53 ms :[(NOT p0), (NOT p0)]
Support contains 6 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 91/91 transitions.
Applied a total of 0 rules in 7 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:07] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 51 cols
[2025-06-06 03:28:07] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:07] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-06 03:28:07] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:07] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-06 03:28:07] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:28:07] [INFO ] Redundant transitions in 2 ms returned []
Running 88 sub problems to find dead transitions.
[2025-06-06 03:28:07] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:07] [INFO ] Invariant cache hit.
[2025-06-06 03:28:07] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 51/51 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 4/55 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD33 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 10/65 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:08] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 13/78 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:09] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 4/82 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/82 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (OVERLAPS) 68/119 variables, 51/133 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 13/146 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/146 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/119 variables, 0/146 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 119/119 variables, and 146 constraints, problems are : Problem set: 9 solved, 79 unsolved in 3698 ms.
Refiners :[Domain max(s): 51/51 constraints, Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 51/51 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 51/51 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 4/55 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 10/65 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 17/82 constraints. Problems are: Problem set: 9 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:28:12] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 1/83 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/83 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (OVERLAPS) 68/119 variables, 51/134 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/119 variables, 13/147 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 79/226 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/119 variables, 0/226 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/119 variables, 0/226 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 119/119 variables, and 226 constraints, problems are : Problem set: 9 solved, 79 unsolved in 4351 ms.
Refiners :[Domain max(s): 51/51 constraints, Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 51/51 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/88 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8108ms problems are : Problem set: 9 solved, 79 unsolved
Search for dead transitions found 9 dead transitions in 8111ms
Found 9 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 51/51 places, 82/91 transitions.
Applied a total of 0 rules in 4 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:28:16] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 8403 ms. Remains : 51/51 places, 82/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 33 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 5199 reset in 114 ms.
Product exploration explored 100000 steps with 5079 reset in 230 ms.
Built C files in :
/tmp/ltsmin3925020412894457969
[2025-06-06 03:28:16] [INFO ] Computing symmetric may disable matrix : 82 transitions.
[2025-06-06 03:28:16] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 03:28:16] [INFO ] Computing symmetric may enable matrix : 82 transitions.
[2025-06-06 03:28:16] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 03:28:16] [INFO ] Computing Do-Not-Accords matrix : 82 transitions.
[2025-06-06 03:28:16] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 03:28:16] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3925020412894457969
Running compilation step : cd /tmp/ltsmin3925020412894457969;'/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 301 ms.
Running link step : cd /tmp/ltsmin3925020412894457969;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin3925020412894457969;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased8010983579365402598.hoa' '--buchi-type=spotba'
LTSmin run took 344 ms.
FORMULA SafeBus-PT-03-LTLFireability-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SafeBus-PT-03-LTLFireability-02 finished in 11007 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(G(p0)))'
Support contains 6 out of 53 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 53 transition count 90
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 52 transition count 90
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 51 transition count 91
Applied a total of 4 rules in 15 ms. Remains 51 /53 variables (removed 2) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:17] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 51 cols
[2025-06-06 03:28:17] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:17] [INFO ] Implicit Places using invariants in 87 ms returned [41, 42]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 88 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 49/53 places, 91/91 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 49 transition count 89
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 47 transition count 89
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 45 transition count 91
Applied a total of 8 rules in 9 ms. Remains 45 /49 variables (removed 4) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:17] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 45 cols
[2025-06-06 03:28:17] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:17] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-06 03:28:17] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-06 03:28:17] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/53 places, 91/91 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 266 ms. Remains : 45/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 162 ms.
Stack based approach found an accepted trace after 35 steps with 0 reset with depth 36 and stack size 36 in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-03 finished in 477 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(p1)||p0)))))'
Support contains 9 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 53 cols
[2025-06-06 03:28:18] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:18] [INFO ] Implicit Places using invariants in 81 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 82 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 85 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 140 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-04
Entered a terminal (fully accepting) state of product in 17 steps with 0 reset in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-04 finished in 245 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(F(p1))))))'
Support contains 12 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:18] [INFO ] Implicit Places using invariants in 71 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 72 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 75 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-05
Product exploration explored 100000 steps with 1417 reset in 175 ms.
Stack based approach found an accepted trace after 139 steps with 4 reset with depth 80 and stack size 80 in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-05 finished in 442 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 X((X(X(F(((p3 U p4)||p2))))||p1))))'
Support contains 9 out of 53 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:18] [INFO ] Implicit Places using invariants in 81 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 92 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 95 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 331 ms :[(AND (NOT p2) (NOT p4)), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4)), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4) (NOT p1)), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4) (NOT p1)), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4) (NOT p1))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 195 ms.
Product exploration explored 100000 steps with 50000 reset in 194 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 (NOT p4) (NOT p0) p1), (X p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 19 ms. Reduced automaton from 9 states, 13 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SafeBus-PT-03-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SafeBus-PT-03-LTLFireability-06 finished in 849 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(G(p1))&&p0))))'
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:19] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:19] [INFO ] Implicit Places using invariants in 76 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 77 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 52/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 155 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-08 finished in 247 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 6 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:19] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:19] [INFO ] Implicit Places using invariants in 69 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 70 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 51/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 104 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-09 finished in 195 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(((G(p0) U F(p1))||G(p2)))&&(X(p0) U p3)))'
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:20] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:20] [INFO ] Implicit Places using invariants in 85 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 86 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 52 /52 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 52/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p3) (AND (NOT p1) (NOT p2))), (NOT p1), (AND (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p3)), true]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 126 ms.
Product exploration explored 100000 steps with 0 reset in 162 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 p3 (NOT p0)), (X p2), (X (NOT p3)), (X (NOT p1)), (X (NOT (AND (NOT p3) p0))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p0)), (X (X p2)), (X (X (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p3) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 13 factoid took 81 ms. Reduced automaton from 5 states, 9 edges and 4 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(AND (NOT p1) (NOT p2)), (NOT p1)]
Reduction of identical properties reduced properties to check from 3 to 2
RANDOM walk for 40000 steps (8 resets) in 203 ms. (196 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
[2025-06-06 03:28:20] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 52 cols
[2025-06-06 03:28:20] [INFO ] Computed 15 invariants in 1 ms
[2025-06-06 03:28:20] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 9/11 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/42 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 31/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/46 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/46 variables, 4/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/50 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/50 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/50 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 67/117 variables, 50/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/117 variables, 12/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/117 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/120 variables, 2/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/120 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/120 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/120 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/120 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/120 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 132 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Domain max(s): 52/52 constraints, Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 52/52 constraints, ReadFeed: 13/13 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 5.0 s and query timeout 500.0 ms
Problem apf1 is UNSAT
After SMT solving in domain Int declared 2/120 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 13 ms.
Refiners :[Domain max(s): 2/52 constraints, Positive P Invariants (semi-flows): 0/6 constraints, Generalized P Invariants (flows): 0/9 constraints, State Equation: 0/52 constraints, ReadFeed: 0/13 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p2 p3 (NOT p0)), (X p2), (X (NOT p3)), (X (NOT p1)), (X (NOT (AND (NOT p3) p0))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p0)), (X (X p2)), (X (X (NOT p3))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p3) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT p0))), (G (OR p1 p2))]
False Knowledge obtained : [(F (NOT p2)), (F p1)]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 15 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SafeBus-PT-03-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SafeBus-PT-03-LTLFireability-11 finished in 926 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((G(p0)||(!p0&&X(X(X((p1||G(p0))))))||G(p1)))))'
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:21] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 53 cols
[2025-06-06 03:28:21] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:21] [INFO ] Implicit Places using invariants in 78 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 79 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 91/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 52 /52 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 83 ms. Remains : 52/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 309 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-12
Product exploration explored 100000 steps with 2035 reset in 162 ms.
Stack based approach found an accepted trace after 559 steps with 12 reset with depth 54 and stack size 54 in 1 ms.
FORMULA SafeBus-PT-03-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-12 finished in 585 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((!((G(p0) U p1) U !p2)&&(F(X(p2))||p3))))'
Support contains 9 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2025-06-06 03:28:21] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2025-06-06 03:28:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:21] [INFO ] Implicit Places using invariants in 72 ms returned [42]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 82 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 91/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 85 ms. Remains : 52/53 places, 91/91 transitions.
Stuttering acceptance computed with spot in 290 ms :[(NOT p2), (NOT p2), (NOT p2), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND (NOT p2) p0)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-14
Product exploration explored 100000 steps with 1301 reset in 137 ms.
Stack based approach found an accepted trace after 256 steps with 3 reset with depth 63 and stack size 63 in 1 ms.
FORMULA SafeBus-PT-03-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-14 finished in 538 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 6 out of 53 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 53/53 places, 91/91 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 53 transition count 90
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 52 transition count 90
Applied a total of 2 rules in 7 ms. Remains 52 /53 variables (removed 1) and now considering 90/91 (removed 1) transitions.
[2025-06-06 03:28:22] [INFO ] Flow matrix only has 67 transitions (discarded 23 similar events)
// Phase 1: matrix 67 rows 52 cols
[2025-06-06 03:28:22] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:22] [INFO ] Implicit Places using invariants in 74 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 75 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 50/53 places, 90/91 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 50 transition count 89
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 49 transition count 89
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 48 transition count 90
Applied a total of 4 rules in 7 ms. Remains 48 /50 variables (removed 2) and now considering 90/90 (removed 0) transitions.
[2025-06-06 03:28:22] [INFO ] Flow matrix only has 67 transitions (discarded 23 similar events)
// Phase 1: matrix 67 rows 48 cols
[2025-06-06 03:28:22] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:22] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-06 03:28:22] [INFO ] Flow matrix only has 67 transitions (discarded 23 similar events)
[2025-06-06 03:28:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:28:22] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-06 03:28:22] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 48/53 places, 90/91 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 249 ms. Remains : 48/53 places, 90/91 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-15
Product exploration explored 100000 steps with 3773 reset in 140 ms.
Stack based approach found an accepted trace after 197 steps with 8 reset with depth 23 and stack size 23 in 1 ms.
FORMULA SafeBus-PT-03-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-15 finished in 434 ms.
All properties solved by simple procedures.
Total runtime 18638 ms.

BK_STOP 1749180502904

--------------------
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="SafeBus-PT-03"
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 SafeBus-PT-03, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r184-tall-174889264800764"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 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 ;