Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994000275.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldRVt-PT-020A, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994000275
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 54K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-00
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-01
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-02
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-03
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-04
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-05
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-06
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-07
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-08
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-09
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-10
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-11
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-12
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-13
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-14
FORMULA_NAME ShieldRVt-PT-020A-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749106724929

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-020A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-05 06:58:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 06:58:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 06:58:46] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2025-06-05 06:58:46] [INFO ] Transformed 163 places.
[2025-06-05 06:58:46] [INFO ] Transformed 163 transitions.
[2025-06-05 06:58:46] [INFO ] Found NUPN structural information;
[2025-06-05 06:58:46] [INFO ] Parsed PT model containing 163 places and 163 transitions and 686 arcs in 178 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldRVt-PT-020A-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 16 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 06:58:46] [INFO ] Computed 81 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:58:46] [INFO ] Implicit Places using invariants in 250 ms returned []
[2025-06-05 06:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:58:46] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 06:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 6430 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8662 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15181ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 15198ms
Finished structural reductions in LTL mode , in 1 iterations and 15708 ms. Remains : 163/163 places, 162/162 transitions.
Support contains 34 out of 163 places after structural reductions.
[2025-06-05 06:59:02] [INFO ] Flatten gal took : 40 ms
[2025-06-05 06:59:02] [INFO ] Flatten gal took : 17 ms
[2025-06-05 06:59:02] [INFO ] Input system was already deterministic with 162 transitions.
Reduction of identical properties reduced properties to check from 25 to 22
RANDOM walk for 40000 steps (8 resets) in 1876 ms. (21 steps per ms) remains 6/22 properties
BEST_FIRST walk for 40004 steps (8 resets) in 259 ms. (153 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 226 ms. (176 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 133 ms. (298 steps per ms) remains 4/4 properties
[2025-06-05 06:59:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 11/21 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 142/163 variables, 71/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 142/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 4 unsolved in 269 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 11/21 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 142/163 variables, 71/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 142/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 4/411 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/325 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 411 constraints, problems are : Problem set: 0 solved, 4 unsolved in 352 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 633ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1521 ms.
Support contains 10 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 0 with 18 rules applied. Total rules applied 20 place count 162 transition count 161
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 0 with 18 rules applied. Total rules applied 38 place count 162 transition count 143
Applied a total of 38 rules in 45 ms. Remains 162 /163 variables (removed 1) and now considering 143/162 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 162/163 places, 143/162 transitions.
RANDOM walk for 40000 steps (8 resets) in 466 ms. (85 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
// Phase 1: matrix 143 rows 162 cols
[2025-06-05 06:59:05] [INFO ] Computed 81 invariants in 2 ms
[2025-06-05 06:59:05] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/162 variables, 77/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 153/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 143/305 variables, 162/405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 2/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/305 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 407 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Domain max(s): 162/162 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 162/162 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/162 variables, 77/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 153/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 143/305 variables, 162/405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 2/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 1/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/305 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/305 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 305/305 variables, and 408 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Domain max(s): 162/162 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 162/162 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 278ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 4 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 143/143 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 162 transition count 143
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 162 transition count 142
Applied a total of 2 rules in 17 ms. Remains 162 /162 variables (removed 0) and now considering 142/143 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 162/162 places, 142/143 transitions.
RANDOM walk for 40000 steps (8 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1050 steps, run visited all 1 properties in 11 ms. (steps per millisecond=95 )
Probabilistic random walk after 1050 steps, saw 994 distinct states, run finished after 15 ms. (steps per millisecond=70 ) properties seen :1
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||X(X((F(p2)&&p1))))))))'
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 06:59:06] [INFO ] Computed 81 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:06] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-05 06:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:06] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 06:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 5927 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8575 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14526ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14527ms
Finished structural reductions in LTL mode , in 1 iterations and 14764 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 377 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-00
Product exploration explored 100000 steps with 20000 reset in 419 ms.
Product exploration explored 100000 steps with 20000 reset in 377 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 p0) (NOT p1) (NOT p2)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 91 ms. Reduced automaton from 6 states, 7 edges and 3 AP (stutter sensitive) to 6 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 221 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40000 steps (8 resets) in 322 ms. (123 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
[2025-06-05 06:59:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 5/9 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 154/163 variables, 77/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 154/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf2 is UNSAT
After SMT solving in domain Int declared 4/325 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 16 ms.
Refiners :[Domain max(s): 4/163 constraints, Positive P Invariants (semi-flows): 0/81 constraints, State Equation: 0/163 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (X (NOT p0))), (G (OR (NOT p1) p0 p2))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F p2), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 3 factoid took 217 ms. Reduced automaton from 6 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 203 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2025-06-05 06:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-05 06:59:23] [INFO ] [Real]Absence check using 81 positive place invariants in 15 ms returned sat
[2025-06-05 06:59:23] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-05 06:59:23] [INFO ] Computed and/alt/rep : 161/699/161 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-05 06:59:23] [INFO ] Added : 0 causal constraints over 0 iterations in 34 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
[2025-06-05 06:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:23] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-06-05 06:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:24] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 06:59:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 6044 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8384 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14451ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14452ms
Finished structural reductions in LTL mode , in 1 iterations and 14663 ms. Remains : 163/163 places, 162/162 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 p0) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 80 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 210 steps (0 resets) in 7 ms. (26 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 1 factoid took 109 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2025-06-05 06:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-05 06:59:39] [INFO ] [Real]Absence check using 81 positive place invariants in 14 ms returned sat
[2025-06-05 06:59:39] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-05 06:59:39] [INFO ] Computed and/alt/rep : 161/699/161 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-05 06:59:39] [INFO ] Added : 0 causal constraints over 0 iterations in 19 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 20000 reset in 299 ms.
Product exploration explored 100000 steps with 20000 reset in 321 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 163 transition count 162
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 18 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 06:59:40] [INFO ] Redundant transitions in 3 ms returned []
Running 161 sub problems to find dead transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 06:59:40] [INFO ] Computed 81 invariants in 1 ms
[2025-06-05 06:59:40] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:59:42] [INFO ] Deduced a trap composed of 2 places in 34 ms of which 10 ms to minimize.
Problem TDEAD80 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 1/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 162/325 variables, 163/408 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 2/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 9 (OVERLAPS) 0/325 variables, 0/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 410 constraints, problems are : Problem set: 1 solved, 160 unsolved in 7825 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 161/161 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/161 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 2/163 variables, 81/242 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 2/244 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 1/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 162/325 variables, 163/408 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 2/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 160/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 570 constraints, problems are : Problem set: 1 solved, 160 unsolved in 7291 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 160/161 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15136ms problems are : Problem set: 1 solved, 160 unsolved
Search for dead transitions found 1 dead transitions in 15137ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 163/163 places, 161/162 transitions.
Graph (complete) has 640 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 162 /163 variables (removed 1) and now considering 161/161 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 162/163 places, 161/162 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 15181 ms. Remains : 162/163 places, 161/162 transitions.
Built C files in :
/tmp/ltsmin3222579687675313075
[2025-06-05 06:59:55] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3222579687675313075
Running compilation step : cd /tmp/ltsmin3222579687675313075;'/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 375 ms.
Running link step : cd /tmp/ltsmin3222579687675313075;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin3222579687675313075;'/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/stateBased11999827340049473882.hoa' '--buchi-type=spotba'
LTSmin run took 192 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-00 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVt-PT-020A-LTLCardinality-00 finished in 50036 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 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Applied a total of 2 rules in 15 ms. Remains 162 /163 variables (removed 1) and now considering 161/162 (removed 1) transitions.
// Phase 1: matrix 161 rows 162 cols
[2025-06-05 06:59:56] [INFO ] Computed 81 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:56] [INFO ] Implicit Places using invariants in 84 ms returned [155]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 85 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 161/163 places, 161/162 transitions.
Applied a total of 0 rules in 7 ms. Remains 161 /161 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 107 ms. Remains : 161/163 places, 161/162 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 232 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-01 finished in 436 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 (X(p1)&&(G(!p3)||p2))))'
Support contains 5 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 06:59:56] [INFO ] Computed 81 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:57] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-05 06:59:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:59:57] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 06:59:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 5964 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8558 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14542ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14543ms
Finished structural reductions in LTL mode , in 1 iterations and 14756 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 318 ms :[(OR (NOT p1) (AND (NOT p2) p3)), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p0) p3), (OR (AND (NOT p2) p3) (AND (NOT p1) p3)), (AND (NOT p1) p3)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-02
Product exploration explored 100000 steps with 1 reset in 259 ms.
Product exploration explored 100000 steps with 0 reset in 350 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 p2 p3 p0 p1), (X (NOT p2)), (X (NOT p3)), (X (OR p2 (NOT p3))), (X (AND (NOT p2) (NOT p3) (NOT p1))), (X (NOT (AND p2 p3))), (X (NOT (AND p3 (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p2) (NOT p3))), (X (OR (AND p2 (NOT p1)) (AND (NOT p3) (NOT p1)))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p2) p3 (NOT p1)))), (X (NOT (AND (NOT p2) p3 (NOT p0)))), (X (NOT (AND (NOT p2) p3))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (OR p2 (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1))))), (X (X (NOT (AND p2 p3)))), (X (X (NOT (AND p2 (NOT p3) (NOT p1))))), (X (X (NOT (AND p3 (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 p3 (NOT p1))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (OR (AND p2 (NOT p1)) (AND (NOT p3) (NOT p1)))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) p3 (NOT p1))))), (X (X (NOT (AND (NOT p2) p3 (NOT p0))))), (X (X (NOT (AND (NOT p2) p3)))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 33 factoid took 145 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter sensitive) to 7 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p1) (AND (NOT p2) p3)), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p0) p3), (OR (AND (NOT p2) p3) (AND (NOT p1) p3)), (AND (NOT p1) p3)]
Reduction of identical properties reduced properties to check from 17 to 12
RANDOM walk for 40000 steps (8 resets) in 434 ms. (91 steps per ms) remains 6/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 150 ms. (264 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 4/6 properties
[2025-06-05 07:00:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 6/11 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 152/163 variables, 76/92 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 152/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 4 unsolved in 140 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf2 is UNSAT
Problem apf5 is UNSAT
Problem apf13 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 6/11 variables, 5/10 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 6/16 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 152/163 variables, 76/92 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 152/244 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 1/408 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/408 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/325 variables, 0/408 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 408 constraints, problems are : Problem set: 3 solved, 1 unsolved in 161 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 306ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 73 ms.
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 22 place count 162 transition count 161
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 42 place count 162 transition count 141
Applied a total of 42 rules in 15 ms. Remains 162 /163 variables (removed 1) and now considering 141/162 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 162/163 places, 141/162 transitions.
RANDOM walk for 33716 steps (7 resets) in 138 ms. (242 steps per ms) remains 0/1 properties
Found 6 invariant AP formulas.
Knowledge obtained : [(AND p2 p3 p0 p1), (X (NOT p2)), (X (NOT p3)), (X (OR p2 (NOT p3))), (X (AND (NOT p2) (NOT p3) (NOT p1))), (X (NOT (AND p2 p3))), (X (NOT (AND p3 (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p2) (NOT p3))), (X (OR (AND p2 (NOT p1)) (AND (NOT p3) (NOT p1)))), (X (NOT (AND p2 (NOT p3)))), (X (NOT (AND (NOT p2) p3 (NOT p1)))), (X (NOT (AND (NOT p2) p3 (NOT p0)))), (X (NOT (AND (NOT p2) p3))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (OR p2 (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1))))), (X (X (NOT (AND p2 p3)))), (X (X (NOT (AND p2 (NOT p3) (NOT p1))))), (X (X (NOT (AND p3 (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 p3 (NOT p1))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (OR (AND p2 (NOT p1)) (AND (NOT p3) (NOT p1)))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) p3 (NOT p1))))), (X (X (NOT (AND (NOT p2) p3 (NOT p0))))), (X (X (NOT (AND (NOT p2) p3)))), (X (X p0)), (X (X p1)), (G (OR p2 (NOT p3))), (G (OR p2 (NOT p3) p0)), (G (OR (NOT p2) p3 p1)), (G (OR p2 (NOT p3))), (G (OR p2 (NOT p3) p1)), (G (OR (NOT p2) p3))]
False Knowledge obtained : [(F (NOT (OR p2 p3))), (F (NOT (OR (NOT p2) (NOT p3) p1))), (F (NOT (AND (OR (NOT p2) p1) (OR p3 p1)))), (F (NOT (AND p2 p3))), (F (NOT p0)), (F (NOT (OR p2 p3 p1))), (F (NOT (OR (NOT p3) p0))), (F (NOT (OR p1 p0))), (F (NOT p2)), (F (NOT p1)), (F (NOT p3))]
Knowledge based reduction with 39 factoid took 576 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 207 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Stuttering acceptance computed with spot in 157 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Support contains 5 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
[2025-06-05 07:00:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:00:14] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-06-05 07:00:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:00:15] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 07:00:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 5919 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8624 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14561ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14562ms
Finished structural reductions in LTL mode , in 1 iterations and 14772 ms. Remains : 163/163 places, 162/162 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1 p3), (X (NOT p3)), (X (AND (NOT p3) (NOT p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X p0)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 101 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
RANDOM walk for 40000 steps (8 resets) in 176 ms. (225 steps per ms) remains 2/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
[2025-06-05 07:00:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 156/163 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 156/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 2 unsolved in 106 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 156/163 variables, 78/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 156/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 2/409 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/325 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 409 constraints, problems are : Problem set: 0 solved, 2 unsolved in 198 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 308ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 260 ms.
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 22 place count 162 transition count 161
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 42 place count 162 transition count 141
Applied a total of 42 rules in 13 ms. Remains 162 /163 variables (removed 1) and now considering 141/162 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 162/163 places, 141/162 transitions.
RANDOM walk for 30296 steps (6 resets) in 93 ms. (322 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1 p3), (X (NOT p3)), (X (AND (NOT p3) (NOT p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X (X p0)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p1 p3))), (F (NOT p0)), (F (NOT (OR p1 p0))), (F (NOT p3))]
Knowledge based reduction with 11 factoid took 303 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Stuttering acceptance computed with spot in 189 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Stuttering acceptance computed with spot in 209 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Product exploration explored 100000 steps with 2 reset in 248 ms.
Product exploration explored 100000 steps with 2 reset in 353 ms.
Applying partial POR strategy [false, true, true, false, false]
Stuttering acceptance computed with spot in 187 ms :[(NOT p1), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) p3)]
Support contains 5 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 163 transition count 162
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 9 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 07:00:32] [INFO ] Redundant transitions in 5 ms returned []
Running 161 sub problems to find dead transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 07:00:32] [INFO ] Computed 81 invariants in 1 ms
[2025-06-05 07:00:32] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 07:00:34] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Problem TDEAD80 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 1/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 162/325 variables, 163/408 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 2/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 9 (OVERLAPS) 0/325 variables, 0/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 410 constraints, problems are : Problem set: 1 solved, 160 unsolved in 7551 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 161/161 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/161 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 2/163 variables, 81/242 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 2/244 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 1/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/245 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 6 (OVERLAPS) 162/325 variables, 163/408 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 2/410 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 160/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/570 constraints. Problems are: Problem set: 1 solved, 160 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 570 constraints, problems are : Problem set: 1 solved, 160 unsolved in 7205 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 160/161 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14775ms problems are : Problem set: 1 solved, 160 unsolved
Search for dead transitions found 1 dead transitions in 14775ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 163/163 places, 161/162 transitions.
Graph (complete) has 640 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 162 /163 variables (removed 1) and now considering 161/161 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 162/163 places, 161/162 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 14808 ms. Remains : 162/163 places, 161/162 transitions.
Built C files in :
/tmp/ltsmin3964083894244234613
[2025-06-05 07:00:47] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3964083894244234613
Running compilation step : cd /tmp/ltsmin3964083894244234613;'/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 265 ms.
Running link step : cd /tmp/ltsmin3964083894244234613;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin3964083894244234613;'/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/stateBased5047761217186408453.hoa' '--buchi-type=spotba'
LTSmin run took 109 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-02 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVt-PT-020A-LTLCardinality-02 finished in 50783 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)&&((F(p1) U X(X(!p2)))||G(p2))))'
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 07:00:47] [INFO ] Computed 81 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:00:47] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-05 07:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:00:47] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 07:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 5866 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8566 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14458ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14458ms
Finished structural reductions in LTL mode , in 1 iterations and 14665 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 431 ms :[(NOT p0), (NOT p0), (AND (NOT p1) p2), p2, false, false, (AND (NOT p1) p2), (AND (NOT p1) p2), p2, false, false, false, (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-04
Product exploration explored 100000 steps with 4311 reset in 279 ms.
Stack based approach found an accepted trace after 439 steps with 66 reset with depth 24 and stack size 24 in 1 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-04 finished in 15399 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 (p1||G(p0))))))'
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Applied a total of 2 rules in 9 ms. Remains 162 /163 variables (removed 1) and now considering 161/162 (removed 1) transitions.
// Phase 1: matrix 161 rows 162 cols
[2025-06-05 07:01:03] [INFO ] Computed 81 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:03] [INFO ] Implicit Places using invariants in 84 ms returned [155]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 85 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 161/163 places, 161/162 transitions.
Applied a total of 0 rules in 4 ms. Remains 161 /161 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 98 ms. Remains : 161/163 places, 161/162 transitions.
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-07
Product exploration explored 100000 steps with 1269 reset in 276 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-07 finished in 474 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)&&X((G(F(p3))||p2))))'
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 1 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 07:01:03] [INFO ] Computed 81 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:03] [INFO ] Implicit Places using invariants in 82 ms returned []
[2025-06-05 07:01:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:03] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 07:01:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 5891 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8551 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14459ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14459ms
Finished structural reductions in LTL mode , in 1 iterations and 14666 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 220 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p3)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-09
Product exploration explored 100000 steps with 50000 reset in 411 ms.
Product exploration explored 100000 steps with 50000 reset in 428 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0 p2 (NOT p3)), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p3)))), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p3))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 18 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-020A-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-020A-LTLCardinality-09 finished in 15768 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||((X(X(!p1)) U ((p2&&X(X(!p1)))||X(X(G(!p1))))) U (G((X(X(!p1)) U ((p2&&X(X(!p1)))||X(X(G(!p1))))))||(p1&&(X(X(!p1)) U ((p2&&X(X(!p1)))||X(X(G(!p1)))))))))))'
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
[2025-06-05 07:01:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:19] [INFO ] Implicit Places using invariants in 82 ms returned []
[2025-06-05 07:01:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:19] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 07:01:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 6132 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8510 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14657ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14657ms
Finished structural reductions in LTL mode , in 1 iterations and 14859 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 343 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, p1, (AND p1 (NOT p0)), p1, p1, (AND (NOT p0) p1), (AND (NOT p0) p1), true, (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 242 ms.
Entered a terminal (fully accepting) state of product in 85092 steps with 0 reset in 243 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-10 finished in 15712 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 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Applied a total of 2 rules in 9 ms. Remains 162 /163 variables (removed 1) and now considering 161/162 (removed 1) transitions.
// Phase 1: matrix 161 rows 162 cols
[2025-06-05 07:01:35] [INFO ] Computed 81 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:35] [INFO ] Implicit Places using invariants in 73 ms returned [155]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 161/163 places, 161/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 87 ms. Remains : 161/163 places, 161/162 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-11
Product exploration explored 100000 steps with 0 reset in 266 ms.
Stack based approach found an accepted trace after 365 steps with 0 reset with depth 366 and stack size 157 in 1 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-11 finished in 395 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||X(p1)))))'
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Applied a total of 0 rules in 1 ms. Remains 163 /163 variables (removed 0) and now considering 162/162 (removed 0) transitions.
// Phase 1: matrix 162 rows 163 cols
[2025-06-05 07:01:35] [INFO ] Computed 81 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:35] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-05 07:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:35] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Running 161 sub problems to find dead transitions.
[2025-06-05 07:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/325 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 407 constraints, problems are : Problem set: 0 solved, 161 unsolved in 6049 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 162/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 1/163 variables, 81/243 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 162/325 variables, 163/407 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 161/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (OVERLAPS) 0/325 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 568 constraints, problems are : Problem set: 0 solved, 161 unsolved in 8555 ms.
Refiners :[Domain max(s): 163/163 constraints, Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14620ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 14621ms
Finished structural reductions in LTL mode , in 1 iterations and 14834 ms. Remains : 163/163 places, 162/162 transitions.
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 298 ms.
Stack based approach found an accepted trace after 10235 steps with 0 reset with depth 10236 and stack size 3351 in 37 ms.
FORMULA ShieldRVt-PT-020A-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-020A-LTLCardinality-14 finished in 15288 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G(p1)))'
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Applied a total of 2 rules in 8 ms. Remains 162 /163 variables (removed 1) and now considering 161/162 (removed 1) transitions.
// Phase 1: matrix 161 rows 162 cols
[2025-06-05 07:01:50] [INFO ] Computed 81 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 07:01:50] [INFO ] Implicit Places using invariants in 85 ms returned [155]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 88 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 161/163 places, 161/162 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 161/161 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 99 ms. Remains : 161/163 places, 161/162 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : ShieldRVt-PT-020A-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 267 ms.
Product exploration explored 100000 steps with 0 reset in 338 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 109 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (8 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1114 steps, run visited all 1 properties in 8 ms. (steps per millisecond=139 )
Probabilistic random walk after 1114 steps, saw 1042 distinct states, run finished after 8 ms. (steps per millisecond=139 ) properties seen :1
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Property proved to be false thanks to negative knowledge :(F (NOT p1))
Knowledge based reduction with 13 factoid took 182 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-020A-LTLCardinality-15 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-020A-LTLCardinality-15 finished in 1244 ms.
All properties solved by simple procedures.
Total runtime 185900 ms.

BK_STOP 1749106912042

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldRVt-PT-020A"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldRVt-PT-020A, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901994000275"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-020A.tgz
mv ShieldRVt-PT-020A execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;