fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r198-tall-174894533000612
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ShieldPPPs-PT-001B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 118448.00 0.00 0.00 TFFFFTFFFFFFFFFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894533000612.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 ShieldPPPs-PT-001B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894533000612
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 179K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K 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 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 18K 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 ShieldPPPs-PT-001B-LTLFireability-00
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-01
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-02
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-03
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-04
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-05
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-06
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-07
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-08
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-09
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-10
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-11
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-12
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-13
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-14
FORMULA_NAME ShieldPPPs-PT-001B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749184947797

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPs-PT-001B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 04:42:28] [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 04:42:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 04:42:29] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2025-06-06 04:42:29] [INFO ] Transformed 71 places.
[2025-06-06 04:42:29] [INFO ] Transformed 66 transitions.
[2025-06-06 04:42:29] [INFO ] Found NUPN structural information;
[2025-06-06 04:42:29] [INFO ] Parsed PT model containing 71 places and 66 transitions and 180 arcs in 125 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 2 formulas.
FORMULA ShieldPPPs-PT-001B-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-001B-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 70 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 70 transition count 65
Applied a total of 2 rules in 27 ms. Remains 70 /71 variables (removed 1) and now considering 65/66 (removed 1) transitions.
// Phase 1: matrix 65 rows 70 cols
[2025-06-06 04:42:29] [INFO ] Computed 12 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:29] [INFO ] Implicit Places using invariants in 154 ms returned []
[2025-06-06 04:42:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:29] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2025-06-06 04:42:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/70 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 20 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 20 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 14/26 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:30] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/70 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (OVERLAPS) 65/135 variables, 70/98 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:31] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:32] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 11 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/135 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 10 (OVERLAPS) 0/135 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 135/135 variables, and 100 constraints, problems are : Problem set: 0 solved, 64 unsolved in 3309 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 70/70 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/70 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 17/29 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/70 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (OVERLAPS) 65/135 variables, 70/99 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/135 variables, 64/163 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 25 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 04:42:33] [INFO ] Deduced a trap composed of 26 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 26 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 27 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 7/170 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:33] [INFO ] Deduced a trap composed of 20 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:34] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:34] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 2/174 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:35] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/135 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:37] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:37] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/135 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:39] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/135 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:41] [INFO ] Deduced a trap composed of 28 places in 34 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/135 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:43] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/135 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/135 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 16 (OVERLAPS) 0/135 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 135/135 variables, and 181 constraints, problems are : Problem set: 0 solved, 64 unsolved in 17285 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 70/70 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 20628ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 20643ms
Starting structural reductions in LTL mode, iteration 1 : 70/71 places, 65/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20965 ms. Remains : 70/71 places, 65/66 transitions.
Support contains 41 out of 70 places after structural reductions.
[2025-06-06 04:42:50] [INFO ] Flatten gal took : 19 ms
[2025-06-06 04:42:50] [INFO ] Flatten gal took : 8 ms
[2025-06-06 04:42:50] [INFO ] Input system was already deterministic with 65 transitions.
Support contains 39 out of 70 places (down from 41) after GAL structural reductions.
RANDOM walk for 40000 steps (136 resets) in 719 ms. (55 steps per ms) remains 2/35 properties
BEST_FIRST walk for 40003 steps (24 resets) in 215 ms. (185 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (65 resets) in 208 ms. (191 steps per ms) remains 2/2 properties
[2025-06-06 04:42:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp27 is UNSAT
After SMT solving in domain Real declared 67/135 variables, and 11 constraints, problems are : Problem set: 2 solved, 0 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, State Equation: 0/70 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ShieldPPPs-PT-001B-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA ShieldPPPs-PT-001B-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 15 stabilizing places and 15 stable transitions
FORMULA ShieldPPPs-PT-001B-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(p0) U p1)||F(p2))))'
Support contains 5 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 64 transition count 59
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 64 transition count 59
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 58
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 58
Applied a total of 14 rules in 6 ms. Remains 63 /70 variables (removed 7) and now considering 58/65 (removed 7) transitions.
// Phase 1: matrix 58 rows 63 cols
[2025-06-06 04:42:51] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:51] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-06 04:42:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:51] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-06 04:42:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:51] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:52] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 121/121 variables, and 82 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1461 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 17 places in 24 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/83 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 57/140 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 24 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 25 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:53] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:54] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:42:54] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 11 (OVERLAPS) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 121/121 variables, and 148 constraints, problems are : Problem set: 0 solved, 57 unsolved in 3711 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5180ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 5181ms
Starting structural reductions in LTL mode, iteration 1 : 63/70 places, 58/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5269 ms. Remains : 63/70 places, 58/65 transitions.
Stuttering acceptance computed with spot in 250 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-00
Product exploration explored 100000 steps with 4917 reset in 185 ms.
Product exploration explored 100000 steps with 4918 reset in 124 ms.
Computed a total of 11 stabilizing places and 11 stable transitions
Computed a total of 11 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 111 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 10 states, 31 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 437 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false, false, false, false, false, false]
RANDOM walk for 15448 steps (50 resets) in 95 ms. (160 steps per ms) remains 0/13 properties
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p2) p1))), (F (NOT (OR (NOT p0) p2 p1))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 (NOT p2) (NOT p1)))), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) p2 (NOT p1)))), (F p2), (F (NOT (OR (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2) p1))), (F p1), (F p0)]
Knowledge based reduction with 12 factoid took 588 ms. Reduced automaton from 10 states, 31 edges and 3 AP (stutter insensitive) to 10 states, 31 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 433 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false, false, false, false, false, false]
Stuttering acceptance computed with spot in 411 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false, false, false, false, false, false]
[2025-06-06 04:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:42:59] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:42:59] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-06 04:42:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:42:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:42:59] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-06 04:42:59] [INFO ] Computed and/alt/rep : 57/101/57 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-06 04:42:59] [INFO ] Added : 57 causal constraints over 12 iterations in 96 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
[2025-06-06 04:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:42:59] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:42:59] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-06 04:42:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:42:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:42:59] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-06 04:42:59] [INFO ] Computed and/alt/rep : 57/101/57 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-06 04:42:59] [INFO ] Added : 48 causal constraints over 10 iterations in 91 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
Support contains 5 out of 63 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 63/63 places, 58/58 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 62 transition count 50
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 55 transition count 50
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 14 place count 55 transition count 44
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 26 place count 49 transition count 44
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 52 place count 36 transition count 31
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 35 transition count 30
Applied a total of 53 rules in 21 ms. Remains 35 /63 variables (removed 28) and now considering 30/58 (removed 28) transitions.
// Phase 1: matrix 30 rows 35 cols
[2025-06-06 04:42:59] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:59] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-06 04:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:42:59] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:42:59] [INFO ] Redundant transitions in 1 ms returned []
Running 28 sub problems to find dead transitions.
[2025-06-06 04:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 30/65 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/65 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 47 constraints, problems are : Problem set: 0 solved, 28 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 30/65 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 28/75 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:00] [INFO ] Deduced a trap along path composed of 11 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:00] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 77 constraints, problems are : Problem set: 0 solved, 28 unsolved in 668 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1037ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 1037ms
Starting structural reductions in SI_LTL mode, iteration 1 : 35/63 places, 30/58 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1139 ms. Remains : 35/63 places, 30/58 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 : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p0 p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))))]
Knowledge based reduction with 22 factoid took 476 ms. Reduced automaton from 10 states, 31 edges and 3 AP (stutter insensitive) to 10 states, 31 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 423 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), false, false, false, false, false, false, false]
RANDOM walk for 4880 steps (31 resets) in 18 ms. (256 steps per ms) remains 0/13 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p0 p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (F (NOT (OR (NOT p1) p2 (NOT p0)))), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F (NOT (OR p1 p2 (NOT p0)))), (F (NOT (OR (NOT p1) p2 p0))), (F (NOT (OR p1 (NOT p2) p0))), (F p1), (F (NOT (OR (NOT p1) (NOT p2) p0))), (F p2), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F (NOT (AND (NOT p2) (NOT p0)))), (F p0), (F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 22 factoid took 879 ms. Reduced automaton from 10 states, 31 edges and 3 AP (stutter insensitive) to 10 states, 31 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 434 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), false, false, false, false, false, false, false]
Stuttering acceptance computed with spot in 408 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), false, false, false, false, false, false, false]
[2025-06-06 04:43:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:43:03] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:43:03] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-06 04:43:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:43:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-06 04:43:03] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-06 04:43:03] [INFO ] Computed and/alt/rep : 28/51/28 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 04:43:03] [INFO ] Added : 20 causal constraints over 4 iterations in 23 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
[2025-06-06 04:43:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:43:03] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:43:03] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-06 04:43:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:43:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 1 ms returned sat
[2025-06-06 04:43:03] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-06 04:43:03] [INFO ] Computed and/alt/rep : 28/51/28 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 04:43:03] [INFO ] Added : 28 causal constraints over 6 iterations in 26 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 464 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), false, false, false, false, false, false, false]
Product exploration explored 100000 steps with 28655 reset in 91 ms.
Product exploration explored 100000 steps with 28647 reset in 204 ms.
Built C files in :
/tmp/ltsmin13466367691941088473
[2025-06-06 04:43:04] [INFO ] Computing symmetric may disable matrix : 30 transitions.
[2025-06-06 04:43:04] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:04] [INFO ] Computing symmetric may enable matrix : 30 transitions.
[2025-06-06 04:43:04] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:04] [INFO ] Computing Do-Not-Accords matrix : 30 transitions.
[2025-06-06 04:43:04] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:04] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13466367691941088473
Running compilation step : cd /tmp/ltsmin13466367691941088473;'/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 205 ms.
Running link step : cd /tmp/ltsmin13466367691941088473;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin13466367691941088473;'/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/stateBased3783029826445360070.hoa' '--buchi-type=spotba'
LTSmin run took 61 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPs-PT-001B-LTLFireability-00 finished in 13590 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 U (p1||G(p2))) U X(X((p3||F(p4)))))))'
Support contains 6 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 65 transition count 60
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 65 transition count 60
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 64 transition count 59
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 64 transition count 59
Applied a total of 12 rules in 12 ms. Remains 64 /70 variables (removed 6) and now considering 59/65 (removed 6) transitions.
// Phase 1: matrix 59 rows 64 cols
[2025-06-06 04:43:04] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:04] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-06 04:43:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:05] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 58 sub problems to find dead transitions.
[2025-06-06 04:43:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 59/123 variables, 64/83 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:05] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:06] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:06] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/123 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 0/123 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 86 constraints, problems are : Problem set: 0 solved, 58 unsolved in 2238 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 19 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (OVERLAPS) 59/123 variables, 64/90 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 58/148 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:07] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 5/153 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:08] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 25 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 4/159 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:09] [INFO ] Deduced a trap composed of 14 places in 21 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:10] [INFO ] Deduced a trap along path composed of 19 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:10] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/123 variables, 2/163 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/123 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 0/123 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 123/123 variables, and 163 constraints, problems are : Problem set: 0 solved, 58 unsolved in 7344 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 9589ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 9590ms
Starting structural reductions in LTL mode, iteration 1 : 64/70 places, 59/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9686 ms. Remains : 64/70 places, 59/65 transitions.
Stuttering acceptance computed with spot in 743 ms :[(AND (NOT p3) (NOT p4)), (AND (NOT p4) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), (AND (NOT p4) (NOT p3) (NOT p2)), (AND (NOT p4) (NOT p3)), (NOT p4), (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p4) (NOT p2) (NOT p3)), (AND (NOT p4) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), (AND (NOT p4) (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p4) (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-01
Stuttering criterion allowed to conclude after 600 steps with 46 reset in 4 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-01 finished in 10485 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)&&(G((G(p1)||X(p2)))||G(p3))))'
Support contains 4 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 66 transition count 61
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 66 transition count 61
Applied a total of 8 rules in 8 ms. Remains 66 /70 variables (removed 4) and now considering 61/65 (removed 4) transitions.
// Phase 1: matrix 61 rows 66 cols
[2025-06-06 04:43:15] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 04:43:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:15] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-06 04:43:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/66 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:15] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:16] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 61/127 variables, 66/86 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:16] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:16] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (OVERLAPS) 0/127 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 127/127 variables, and 88 constraints, problems are : Problem set: 0 solved, 60 unsolved in 1946 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/66 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 61/127 variables, 66/87 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 60/147 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:17] [INFO ] Deduced a trap composed of 24 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:17] [INFO ] Deduced a trap composed of 8 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 04:43:17] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:17] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:17] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 5/152 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 18 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 04:43:18] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:18] [INFO ] Deduced a trap composed of 18 places in 19 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 3/160 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/127 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:19] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:20] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 2/163 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:20] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/127 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:22] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/127 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:23] [INFO ] Deduced a trap composed of 24 places in 31 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/127 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:23] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/127 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/127 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 17 (OVERLAPS) 0/127 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 127/127 variables, and 167 constraints, problems are : Problem set: 0 solved, 60 unsolved in 9932 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 66/66 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 11884ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11884ms
Starting structural reductions in LTL mode, iteration 1 : 66/70 places, 61/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11973 ms. Remains : 66/70 places, 61/65 transitions.
Stuttering acceptance computed with spot in 462 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p0), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3) (NOT p2)), (AND (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p3) (NOT p2)), true, (NOT p3), (AND (NOT p1) p2), (AND (NOT p3) (NOT p1) p2)]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-03 finished in 12459 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)) U (F(p1)&&X(!p0))))'
Support contains 2 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 64 transition count 59
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 64 transition count 59
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 58
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 58
Applied a total of 14 rules in 10 ms. Remains 63 /70 variables (removed 7) and now considering 58/65 (removed 7) transitions.
// Phase 1: matrix 58 rows 63 cols
[2025-06-06 04:43:27] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:27] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-06 04:43:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:27] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-06 04:43:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:28] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 121/121 variables, and 82 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1440 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/83 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 57/140 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 24 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 25 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:29] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:30] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:30] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:31] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 11 (OVERLAPS) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 121/121 variables, and 148 constraints, problems are : Problem set: 0 solved, 57 unsolved in 3775 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5220ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 5220ms
Starting structural reductions in LTL mode, iteration 1 : 63/70 places, 58/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5314 ms. Remains : 63/70 places, 58/65 transitions.
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p1) p0), (NOT p1), p0, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-04
Product exploration explored 100000 steps with 3012 reset in 92 ms.
Stack based approach found an accepted trace after 45299 steps with 1299 reset with depth 108 and stack size 108 in 70 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-04 finished in 5707 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 2 out of 70 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 69 transition count 56
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 17 place count 61 transition count 55
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 60 transition count 55
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 18 place count 60 transition count 50
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 28 place count 55 transition count 50
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 33 place count 50 transition count 45
Iterating global reduction 3 with 5 rules applied. Total rules applied 38 place count 50 transition count 45
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 38 place count 50 transition count 44
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 40 place count 49 transition count 44
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 70 place count 34 transition count 29
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 33 transition count 28
Applied a total of 71 rules in 11 ms. Remains 33 /70 variables (removed 37) and now considering 28/65 (removed 37) transitions.
// Phase 1: matrix 28 rows 33 cols
[2025-06-06 04:43:33] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:33] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-06 04:43:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:33] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:33] [INFO ] Redundant transitions in 0 ms returned []
Running 26 sub problems to find dead transitions.
[2025-06-06 04:43:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 28/61 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 0/61 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 61/61 variables, and 45 constraints, problems are : Problem set: 0 solved, 26 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 28/61 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 26/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 0/61 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 61/61 variables, and 71 constraints, problems are : Problem set: 0 solved, 26 unsolved in 262 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 527ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 528ms
Starting structural reductions in SI_LTL mode, iteration 1 : 33/70 places, 28/65 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 604 ms. Remains : 33/70 places, 28/65 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-05
Product exploration explored 100000 steps with 1454 reset in 184 ms.
Product exploration explored 100000 steps with 1378 reset in 178 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 82 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 57 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 221 steps (1 resets) in 4 ms. (44 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 70 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 67 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 28/28 transitions.
Applied a total of 0 rules in 5 ms. Remains 33 /33 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2025-06-06 04:43:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:34] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-06 04:43:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:35] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:35] [INFO ] Redundant transitions in 0 ms returned []
Running 26 sub problems to find dead transitions.
[2025-06-06 04:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 28/61 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 0/61 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 61/61 variables, and 45 constraints, problems are : Problem set: 0 solved, 26 unsolved in 262 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 28/61 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 26/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 0/61 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 61/61 variables, and 71 constraints, problems are : Problem set: 0 solved, 26 unsolved in 264 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 529ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 529ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 599 ms. Remains : 33/33 places, 28/28 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 82 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 80 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 370 steps (2 resets) in 5 ms. (61 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 97 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 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1429 reset in 99 ms.
Product exploration explored 100000 steps with 1405 reset in 114 ms.
Built C files in :
/tmp/ltsmin1800860497087217832
[2025-06-06 04:43:36] [INFO ] Computing symmetric may disable matrix : 28 transitions.
[2025-06-06 04:43:36] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:36] [INFO ] Computing symmetric may enable matrix : 28 transitions.
[2025-06-06 04:43:36] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:36] [INFO ] Computing Do-Not-Accords matrix : 28 transitions.
[2025-06-06 04:43:36] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:36] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1800860497087217832
Running compilation step : cd /tmp/ltsmin1800860497087217832;'/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 113 ms.
Running link step : cd /tmp/ltsmin1800860497087217832;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 27 ms.
Running LTSmin : cd /tmp/ltsmin1800860497087217832;'/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/stateBased4524620186243763215.hoa' '--buchi-type=spotba'
LTSmin run took 652 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-05 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPs-PT-001B-LTLFireability-05 finished in 3614 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) U p1) U (G(!p2)||(!p2&&F(G(p3))))))'
Support contains 5 out of 70 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 70 transition count 56
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 61 transition count 56
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 18 place count 61 transition count 52
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 26 place count 57 transition count 52
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 32 place count 51 transition count 46
Iterating global reduction 2 with 6 rules applied. Total rules applied 38 place count 51 transition count 46
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 38 place count 51 transition count 44
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 49 transition count 44
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 66 place count 37 transition count 32
Applied a total of 66 rules in 15 ms. Remains 37 /70 variables (removed 33) and now considering 32/65 (removed 33) transitions.
// Phase 1: matrix 32 rows 37 cols
[2025-06-06 04:43:37] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:37] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-06 04:43:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:37] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:37] [INFO ] Redundant transitions in 0 ms returned []
Running 31 sub problems to find dead transitions.
[2025-06-06 04:43:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 32/69 variables, 37/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 0/69 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 49 constraints, problems are : Problem set: 0 solved, 31 unsolved in 355 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 32/69 variables, 37/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 31/80 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:37] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (OVERLAPS) 0/69 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 81 constraints, problems are : Problem set: 0 solved, 31 unsolved in 738 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1096ms problems are : Problem set: 0 solved, 31 unsolved
Search for dead transitions found 0 dead transitions in 1097ms
Starting structural reductions in SI_LTL mode, iteration 1 : 37/70 places, 32/65 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1178 ms. Remains : 37/70 places, 32/65 transitions.
Stuttering acceptance computed with spot in 308 ms :[p2, (NOT p0), (NOT p1), (AND p2 p1 (NOT p0) (NOT p3)), (AND p2 (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-06
Product exploration explored 100000 steps with 20808 reset in 128 ms.
Product exploration explored 100000 steps with 20689 reset in 115 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) (NOT p1) (NOT p0) p3), (X (NOT p2)), (X (NOT (AND p2 p1 (NOT p0)))), (X p3), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p2) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (AND (NOT p2) p3)), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p2 p3))), (X (X (NOT p2))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X p3)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1))))), (X (X (AND p3 (NOT p0)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) p3))), (X (X (NOT p0))), (X (X (NOT (AND p2 p3))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) p1 (NOT p0)))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (AND p3 (NOT p1)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 28 factoid took 501 ms. Reduced automaton from 7 states, 22 edges and 4 AP (stutter insensitive) to 4 states, 14 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 166 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
RANDOM walk for 445 steps (2 resets) in 8 ms. (49 steps per ms) remains 0/18 properties
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0) p3), (X (NOT p2)), (X (NOT (AND p2 p1 (NOT p0)))), (X p3), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p2) (NOT p1) (NOT p0))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (AND (NOT p2) p3)), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p2 p3))), (X (X (NOT p2))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X p3)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1))))), (X (X (AND p3 (NOT p0)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) p3))), (X (X (NOT p0))), (X (X (NOT (AND p2 p3))))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) p1 (NOT p0)))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (AND p3 (NOT p1)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR (NOT p2) p3))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p1 p3))), (F (NOT (AND (NOT p1) p3))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p0), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (AND (NOT p2) p3))), (F (NOT (OR p2 p3))), (F (NOT (AND (NOT p0) p3))), (F (NOT (OR p0 p1 (NOT p2)))), (F p2), (F p1), (F (NOT (OR p0 p3))), (F (NOT (OR (NOT p2) (NOT p3)))), (F (NOT p3)), (F (NOT (OR p0 (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2))))]
Knowledge based reduction with 28 factoid took 1185 ms. Reduced automaton from 4 states, 14 edges and 4 AP (stutter insensitive) to 4 states, 14 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 187 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 191 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
Support contains 5 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 32/32 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2025-06-06 04:43:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:41] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-06 04:43:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:41] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:41] [INFO ] Redundant transitions in 0 ms returned []
Running 31 sub problems to find dead transitions.
[2025-06-06 04:43:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 32/69 variables, 37/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 0/69 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 49 constraints, problems are : Problem set: 0 solved, 31 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 32/69 variables, 37/49 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 31/80 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:41] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (OVERLAPS) 0/69 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 81 constraints, problems are : Problem set: 0 solved, 31 unsolved in 733 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1105ms problems are : Problem set: 0 solved, 31 unsolved
Search for dead transitions found 0 dead transitions in 1107ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1181 ms. Remains : 37/37 places, 32/32 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 (NOT p2) p3 (NOT p0) (NOT p1)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) p1 p2))), (X (AND (NOT p0) p3)), (X (AND (NOT p2) p3)), (X (NOT p0)), (X (AND (NOT p1) p3)), (X (NOT (AND p2 p3))), (X (NOT p1)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) p3))), (X (X (AND (NOT p2) p3))), (X (X (NOT p0))), (X (X (NOT (AND p2 p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p3))), (X (X (NOT (AND (NOT p1) p3)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 32 factoid took 540 ms. Reduced automaton from 4 states, 14 edges and 4 AP (stutter insensitive) to 4 states, 14 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 181 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
RANDOM walk for 939 steps (5 resets) in 8 ms. (104 steps per ms) remains 0/18 properties
Knowledge obtained : [(AND (NOT p2) p3 (NOT p0) (NOT p1)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) p1 p2))), (X (AND (NOT p0) p3)), (X (AND (NOT p2) p3)), (X (NOT p0)), (X (AND (NOT p1) p3)), (X (NOT (AND p2 p3))), (X (NOT p1)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) p3))), (X (X (AND (NOT p2) p3))), (X (X (NOT p0))), (X (X (NOT (AND p2 p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p1) p3))), (X (X (NOT (AND (NOT p1) p3)))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (NOT (OR p3 p2))), (F (NOT (AND (NOT p0) p3))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR p0 (NOT p1) (NOT p2)))), (F (NOT (OR p0 p3))), (F (NOT (AND p3 (NOT p1)))), (F (NOT (OR (NOT p3) (NOT p2)))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND p3 (NOT p2)))), (F p2), (F p1), (F (NOT (OR p3 (NOT p2)))), (F p0), (F (NOT p3)), (F (NOT (OR p3 p1))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 32 factoid took 1204 ms. Reduced automaton from 4 states, 14 edges and 4 AP (stutter insensitive) to 4 states, 14 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 183 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 183 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 178 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p0) p1 (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p1) (NOT p3))]
Product exploration explored 100000 steps with 20801 reset in 116 ms.
Product exploration explored 100000 steps with 20879 reset in 120 ms.
Built C files in :
/tmp/ltsmin10298117496288253783
[2025-06-06 04:43:45] [INFO ] Computing symmetric may disable matrix : 32 transitions.
[2025-06-06 04:43:45] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:45] [INFO ] Computing symmetric may enable matrix : 32 transitions.
[2025-06-06 04:43:45] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:45] [INFO ] Computing Do-Not-Accords matrix : 32 transitions.
[2025-06-06 04:43:45] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:43:45] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10298117496288253783
Running compilation step : cd /tmp/ltsmin10298117496288253783;'/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 115 ms.
Running link step : cd /tmp/ltsmin10298117496288253783;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin10298117496288253783;'/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/stateBased6776100018561025195.hoa' '--buchi-type=spotba'
LTSmin run took 57 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPs-PT-001B-LTLFireability-06 finished in 8185 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 U G(p1))&&X(p2))))'
Support contains 4 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 64 transition count 59
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 64 transition count 59
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 58
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 58
Applied a total of 14 rules in 5 ms. Remains 63 /70 variables (removed 7) and now considering 58/65 (removed 7) transitions.
// Phase 1: matrix 58 rows 63 cols
[2025-06-06 04:43:45] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:45] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-06 04:43:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:45] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-06 04:43:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:45] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:46] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/121 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 121/121 variables, and 82 constraints, problems are : Problem set: 0 solved, 57 unsolved in 1467 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 1/63 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (OVERLAPS) 58/121 variables, 63/83 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 57/140 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 25 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:47] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:48] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:48] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 11 (OVERLAPS) 0/121 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 121/121 variables, and 148 constraints, problems are : Problem set: 0 solved, 57 unsolved in 3655 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 63/63 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5129ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 5129ms
Starting structural reductions in LTL mode, iteration 1 : 63/70 places, 58/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5214 ms. Remains : 63/70 places, 58/65 transitions.
Stuttering acceptance computed with spot in 241 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-07
Product exploration explored 100000 steps with 641 reset in 191 ms.
Stack based approach found an accepted trace after 511 steps with 3 reset with depth 353 and stack size 353 in 0 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-07 finished in 5662 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 2 out of 70 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 69 transition count 56
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 61 transition count 56
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 16 place count 61 transition count 51
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 26 place count 56 transition count 51
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 32 place count 50 transition count 45
Iterating global reduction 2 with 6 rules applied. Total rules applied 38 place count 50 transition count 45
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 38 place count 50 transition count 43
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 48 transition count 43
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 70 place count 34 transition count 29
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 71 place count 33 transition count 28
Applied a total of 71 rules in 11 ms. Remains 33 /70 variables (removed 37) and now considering 28/65 (removed 37) transitions.
// Phase 1: matrix 28 rows 33 cols
[2025-06-06 04:43:51] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:51] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-06 04:43:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:51] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:51] [INFO ] Redundant transitions in 0 ms returned []
Running 26 sub problems to find dead transitions.
[2025-06-06 04:43:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:51] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 28/61 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 0/61 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 61/61 variables, and 46 constraints, problems are : Problem set: 0 solved, 26 unsolved in 310 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 28/61 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 26/72 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:51] [INFO ] Deduced a trap along path composed of 10 places in 25 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 0/61 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 61/61 variables, and 73 constraints, problems are : Problem set: 0 solved, 26 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 735ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 735ms
Starting structural reductions in SI_LTL mode, iteration 1 : 33/70 places, 28/65 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 812 ms. Remains : 33/70 places, 28/65 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-10
Stuttering criterion allowed to conclude after 66 steps with 0 reset in 1 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-10 finished in 866 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(p1))))'
Support contains 2 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 65 transition count 60
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 65 transition count 60
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 64 transition count 59
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 64 transition count 59
Applied a total of 12 rules in 5 ms. Remains 64 /70 variables (removed 6) and now considering 59/65 (removed 6) transitions.
// Phase 1: matrix 59 rows 64 cols
[2025-06-06 04:43:51] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:51] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-06 04:43:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:51] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Running 58 sub problems to find dead transitions.
[2025-06-06 04:43:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:52] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 59/123 variables, 64/83 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 0/123 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 83 constraints, problems are : Problem set: 0 solved, 58 unsolved in 1376 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 59/123 variables, 64/83 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 58/141 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:53] [INFO ] Deduced a trap composed of 24 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:53] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:53] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 3/144 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:53] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap composed of 24 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 6/150 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:54] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:55] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:55] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 0/123 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 123/123 variables, and 154 constraints, problems are : Problem set: 0 solved, 58 unsolved in 5426 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 64/64 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6809ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 6809ms
Starting structural reductions in LTL mode, iteration 1 : 64/70 places, 59/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6893 ms. Remains : 64/70 places, 59/65 transitions.
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-11
Stuttering criterion allowed to conclude after 5018 steps with 74 reset in 12 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-001B-LTLFireability-11 finished in 7126 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||(F(G(p2))&&p1)))))'
Support contains 4 out of 70 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 57
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 62 transition count 57
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 14 place count 62 transition count 52
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 24 place count 57 transition count 52
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 30 place count 51 transition count 46
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 51 transition count 46
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 64 place count 37 transition count 32
Applied a total of 64 rules in 10 ms. Remains 37 /70 variables (removed 33) and now considering 32/65 (removed 33) transitions.
// Phase 1: matrix 32 rows 37 cols
[2025-06-06 04:43:59] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:59] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-06 04:43:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:43:59] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:43:59] [INFO ] Redundant transitions in 0 ms returned []
Running 31 sub problems to find dead transitions.
[2025-06-06 04:43:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:59] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:59] [INFO ] Deduced a trap composed of 9 places in 16 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 32/69 variables, 37/51 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:59] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/69 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (OVERLAPS) 0/69 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 52 constraints, problems are : Problem set: 0 solved, 31 unsolved in 683 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 32/69 variables, 37/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 31/83 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:43:59] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:00] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (OVERLAPS) 0/69 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 85 constraints, problems are : Problem set: 0 solved, 31 unsolved in 1070 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1757ms problems are : Problem set: 0 solved, 31 unsolved
Search for dead transitions found 0 dead transitions in 1757ms
Starting structural reductions in SI_LTL mode, iteration 1 : 37/70 places, 32/65 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1832 ms. Remains : 37/70 places, 32/65 transitions.
Stuttering acceptance computed with spot in 133 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-14
Product exploration explored 100000 steps with 13935 reset in 81 ms.
Product exploration explored 100000 steps with 14024 reset in 82 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Detected a total of 2/37 stabilizing places and 2/32 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X p2), (X (AND p0 p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2)))))]
Knowledge based reduction with 13 factoid took 446 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
RANDOM walk for 119 steps (0 resets) in 5 ms. (19 steps per ms) remains 0/8 properties
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X p2), (X (AND p0 p2)), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2)))), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR (NOT p0) p2 (NOT p1)))), (F p2), (F p1)]
Knowledge based reduction with 13 factoid took 802 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Stuttering acceptance computed with spot in 136 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
[2025-06-06 04:44:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:02] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:02] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-06 04:44:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:02] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:02] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-06 04:44:02] [INFO ] Computed and/alt/rep : 31/77/31 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 04:44:02] [INFO ] Added : 30 causal constraints over 7 iterations in 38 ms. Result :sat
Could not prove EG (AND p0 (NOT p1))
[2025-06-06 04:44:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:02] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:02] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:02] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
[2025-06-06 04:44:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:03] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 04:44:03] [INFO ] Computed and/alt/rep : 31/77/31 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 04:44:03] [INFO ] Added : 30 causal constraints over 6 iterations in 29 ms. Result :sat
Could not prove EG (AND p0 (NOT p2))
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 32/32 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2025-06-06 04:44:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:03] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-06 04:44:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:03] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:44:03] [INFO ] Redundant transitions in 0 ms returned []
Running 31 sub problems to find dead transitions.
[2025-06-06 04:44:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:03] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:03] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 32/69 variables, 37/51 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:03] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/69 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (OVERLAPS) 0/69 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 52 constraints, problems are : Problem set: 0 solved, 31 unsolved in 695 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 32/69 variables, 37/52 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 31/83 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:04] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:04] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (OVERLAPS) 0/69 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 85 constraints, problems are : Problem set: 0 solved, 31 unsolved in 1064 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1761ms problems are : Problem set: 0 solved, 31 unsolved
Search for dead transitions found 0 dead transitions in 1762ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1834 ms. Remains : 37/37 places, 32/32 transitions.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Detected a total of 2/37 stabilizing places and 2/32 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p1))), (X p2), (X (AND p0 p2)), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2)))))]
Knowledge based reduction with 13 factoid took 446 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 117 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
RANDOM walk for 157 steps (0 resets) in 6 ms. (22 steps per ms) remains 0/8 properties
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p1))), (X p2), (X (AND p0 p2)), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2)))), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F p2), (F p1)]
Knowledge based reduction with 13 factoid took 838 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Stuttering acceptance computed with spot in 127 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
[2025-06-06 04:44:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:06] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-06 04:44:06] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-06 04:44:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:06] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:06] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-06 04:44:06] [INFO ] Computed and/alt/rep : 31/77/31 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 04:44:06] [INFO ] Added : 30 causal constraints over 7 iterations in 39 ms. Result :sat
Could not prove EG (AND p0 (NOT p1))
[2025-06-06 04:44:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:06] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:06] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:06] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 2 ms to minimize.
[2025-06-06 04:44:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 04:44:06] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-06 04:44:06] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 04:44:06] [INFO ] Computed and/alt/rep : 31/77/31 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-06 04:44:06] [INFO ] Added : 30 causal constraints over 6 iterations in 32 ms. Result :sat
Could not prove EG (AND p0 (NOT p2))
Stuttering acceptance computed with spot in 129 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Product exploration explored 100000 steps with 13969 reset in 85 ms.
Product exploration explored 100000 steps with 13991 reset in 84 ms.
Built C files in :
/tmp/ltsmin15891592139694803404
[2025-06-06 04:44:07] [INFO ] Computing symmetric may disable matrix : 32 transitions.
[2025-06-06 04:44:07] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:44:07] [INFO ] Computing symmetric may enable matrix : 32 transitions.
[2025-06-06 04:44:07] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:44:07] [INFO ] Computing Do-Not-Accords matrix : 32 transitions.
[2025-06-06 04:44:07] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 04:44:07] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15891592139694803404
Running compilation step : cd /tmp/ltsmin15891592139694803404;'/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 111 ms.
Running link step : cd /tmp/ltsmin15891592139694803404;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin15891592139694803404;'/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/stateBased3518962949416506926.hoa' '--buchi-type=spotba'
LTSmin run took 134 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPs-PT-001B-LTLFireability-14 finished in 8463 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)||X(G((p1&&X(G((p1||G(p2))))))))))'
Support contains 2 out of 70 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 65/65 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 66 transition count 61
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 66 transition count 61
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 65 transition count 60
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 65 transition count 60
Applied a total of 10 rules in 3 ms. Remains 65 /70 variables (removed 5) and now considering 60/65 (removed 5) transitions.
// Phase 1: matrix 60 rows 65 cols
[2025-06-06 04:44:07] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:07] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-06 04:44:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:07] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 59 sub problems to find dead transitions.
[2025-06-06 04:44:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/65 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:07] [INFO ] Deduced a trap composed of 17 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:08] [INFO ] Deduced a trap composed of 19 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:08] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:08] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:08] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (OVERLAPS) 60/125 variables, 65/87 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:08] [INFO ] Deduced a trap composed of 22 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 04:44:08] [INFO ] Deduced a trap composed of 23 places in 23 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 0/125 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 89 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1988 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/65 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (OVERLAPS) 60/125 variables, 65/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 59/148 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:09] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 23 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 4/155 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:10] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:11] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:11] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 11 (OVERLAPS) 0/125 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 159 constraints, problems are : Problem set: 0 solved, 59 unsolved in 4878 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6872ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 6872ms
Starting structural reductions in LTL mode, iteration 1 : 65/70 places, 60/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6959 ms. Remains : 65/70 places, 60/65 transitions.
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-001B-LTLFireability-15
Product exploration explored 100000 steps with 2980 reset in 91 ms.
Product exploration explored 100000 steps with 2994 reset in 95 ms.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 100 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 419 steps (0 resets) in 7 ms. (52 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 (NOT p0)))), (F p0), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 6 factoid took 203 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 2 out of 65 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 60/60 transitions.
Applied a total of 0 rules in 1 ms. Remains 65 /65 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2025-06-06 04:44:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:15] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-06 04:44:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:44:15] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Running 59 sub problems to find dead transitions.
[2025-06-06 04:44:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/65 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:15] [INFO ] Deduced a trap composed of 9 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 04:44:15] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 17 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 19 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (OVERLAPS) 60/125 variables, 65/87 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:16] [INFO ] Deduced a trap composed of 22 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 04:44:16] [INFO ] Deduced a trap composed of 23 places in 23 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 0/125 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 89 constraints, problems are : Problem set: 0 solved, 59 unsolved in 2047 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 1/65 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (OVERLAPS) 60/125 variables, 65/89 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 59/148 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 8 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 04:44:18] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 23 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 4/155 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:18] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:19] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:19] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 11 (OVERLAPS) 0/125 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 159 constraints, problems are : Problem set: 0 solved, 59 unsolved in 4677 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 6730ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 6730ms
Finished structural reductions in LTL mode , in 1 iterations and 6810 ms. Remains : 65/65 places, 60/60 transitions.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 105 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 1650 steps (4 resets) in 10 ms. (150 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR p0 p1))), (F p0)]
Knowledge based reduction with 5 factoid took 185 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 164 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 153 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 3007 reset in 92 ms.
Product exploration explored 100000 steps with 2997 reset in 95 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 136 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 2 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 60/60 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 65 transition count 60
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 8 place count 65 transition count 62
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 12 place count 65 transition count 62
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 31 places in 0 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 31 place count 65 transition count 62
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 39 place count 57 transition count 54
Deduced a syphon composed of 23 places in 0 ms
Iterating global reduction 1 with 8 rules applied. Total rules applied 47 place count 57 transition count 54
Deduced a syphon composed of 23 places in 0 ms
Applied a total of 47 rules in 12 ms. Remains 57 /65 variables (removed 8) and now considering 54/60 (removed 6) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:44:23] [INFO ] Redundant transitions in 1 ms returned []
Running 53 sub problems to find dead transitions.
// Phase 1: matrix 54 rows 57 cols
[2025-06-06 04:44:23] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/57 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 5 places in 19 ms of which 1 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 3 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Problem TDEAD16 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 1 ms to minimize.
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD32 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD50 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 9/21 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/21 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 54/111 variables, 57/78 constraints. Problems are: Problem set: 25 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:44:24] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 1/79 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/79 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/111 variables, 0/79 constraints. Problems are: Problem set: 25 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 79 constraints, problems are : Problem set: 25 solved, 28 unsolved in 945 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 25 solved, 28 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 24/57 variables, 12/12 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 10/22 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/22 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 54/111 variables, 57/79 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 28/107 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/107 constraints. Problems are: Problem set: 25 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/111 variables, 0/107 constraints. Problems are: Problem set: 25 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 107 constraints, problems are : Problem set: 25 solved, 28 unsolved in 906 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 28/53 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1858ms problems are : Problem set: 25 solved, 28 unsolved
Search for dead transitions found 25 dead transitions in 1860ms
Found 25 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 25 transitions
Dead transitions reduction (with SMT) removed 25 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 57/65 places, 29/60 transitions.
Graph (complete) has 87 edges and 57 vertex of which 34 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.2 ms
Discarding 23 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 34 /57 variables (removed 23) and now considering 29/29 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 34/65 places, 29/60 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1888 ms. Remains : 34/65 places, 29/60 transitions.
Built C files in :
/tmp/ltsmin17473736235999831060
[2025-06-06 04:44:25] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17473736235999831060
Running compilation step : cd /tmp/ltsmin17473736235999831060;'/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 127 ms.
Running link step : cd /tmp/ltsmin17473736235999831060;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 31 ms.
Running LTSmin : cd /tmp/ltsmin17473736235999831060;'/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/stateBased3063743582338505883.hoa' '--buchi-type=spotba'
LTSmin run took 279 ms.
FORMULA ShieldPPPs-PT-001B-LTLFireability-15 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPs-PT-001B-LTLFireability-15 finished in 18746 ms.
All properties solved by simple procedures.
Total runtime 117274 ms.

BK_STOP 1749185066245

--------------------
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="ShieldPPPs-PT-001B"
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 ShieldPPPs-PT-001B, 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 r198-tall-174894533000612"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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