Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r500-smll-171649587600172.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is HouseConstruction-PT-00020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r500-smll-171649587600172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Apr 11 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Apr 11 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Apr 11 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 13K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-00
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-01
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-02
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-03
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-04
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-05
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-06
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-07
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-08
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-09
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-10
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-11
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-12
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-13
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-14
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717258431366

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HouseConstruction-PT-00020
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 16:13:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 16:13:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 16:13:53] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2024-06-01 16:13:53] [INFO ] Transformed 26 places.
[2024-06-01 16:13:53] [INFO ] Transformed 18 transitions.
[2024-06-01 16:13:53] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 197 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 155 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA HouseConstruction-PT-00020-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 13 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2024-06-01 16:13:53] [INFO ] Computed 8 invariants in 6 ms
[2024-06-01 16:13:53] [INFO ] Implicit Places using invariants in 189 ms returned []
[2024-06-01 16:13:53] [INFO ] Invariant cache hit.
[2024-06-01 16:13:54] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-06-01 16:13:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/44 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/44 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 34 constraints, problems are : Problem set: 0 solved, 17 unsolved in 464 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 1/44 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/44 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 51 constraints, problems are : Problem set: 0 solved, 17 unsolved in 327 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 830ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 845ms
Finished structural reductions in LTL mode , in 1 iterations and 1215 ms. Remains : 26/26 places, 18/18 transitions.
Support contains 26 out of 26 places after structural reductions.
[2024-06-01 16:13:55] [INFO ] Flatten gal took : 25 ms
[2024-06-01 16:13:55] [INFO ] Flatten gal took : 7 ms
[2024-06-01 16:13:55] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 20 to 19
RANDOM walk for 17850 steps (45 resets) in 142 ms. (124 steps per ms) remains 0/19 properties
FORMULA HouseConstruction-PT-00020-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA HouseConstruction-PT-00020-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 26 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 26 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||((!p1&&F(p2)) U (G((G(!p1)||(!p1&&F(p2))))||(!p2&&(G(!p1)||(!p1&&F(p2))))))))'
Support contains 7 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 20 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 17 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 5 place count 16 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 5 place count 16 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 9 place count 14 transition count 10
Applied a total of 9 rules in 39 ms. Remains 14 /26 variables (removed 12) and now considering 10/18 (removed 8) transitions.
// Phase 1: matrix 10 rows 14 cols
[2024-06-01 16:13:55] [INFO ] Computed 4 invariants in 2 ms
[2024-06-01 16:13:55] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-06-01 16:13:55] [INFO ] Invariant cache hit.
[2024-06-01 16:13:55] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2024-06-01 16:13:55] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-06-01 16:13:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 1/24 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/24 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 18 constraints, problems are : Problem set: 0 solved, 9 unsolved in 120 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 1/24 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 27 constraints, problems are : Problem set: 0 solved, 9 unsolved in 127 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 254ms
Starting structural reductions in SI_LTL mode, iteration 1 : 14/26 places, 10/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 386 ms. Remains : 14/26 places, 10/18 transitions.
Stuttering acceptance computed with spot in 458 ms :[true, (NOT p2), p1, (AND (NOT p0) p1), (NOT p0), (AND (NOT p2) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 366 ms.
Product exploration explored 100000 steps with 50000 reset in 198 ms.
Computed a total of 14 stabilizing places and 10 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 10
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X p2), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND p0 p1 (NOT p2)))), (X (AND (NOT p1) p2)), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p0) (NOT p1) p2)), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2)))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 28 factoid took 37 ms. Reduced automaton from 8 states, 21 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-00 finished in 1606 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:13:57] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants in 49 ms returned [3, 9, 13, 19]
[2024-06-01 16:13:57] [INFO ] Actually due to overlaps returned [3, 9, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 53 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 2 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:13:57] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 16:13:57] [INFO ] Invariant cache hit.
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 131 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-01 finished in 236 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(X(G(p1)))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2024-06-01 16:13:57] [INFO ] Computed 8 invariants in 1 ms
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants in 42 ms returned [3, 9, 13, 20]
[2024-06-01 16:13:57] [INFO ] Actually due to overlaps returned [3, 9, 20]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 44 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 3 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-06-01 16:13:57] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 16:13:57] [INFO ] Invariant cache hit.
[2024-06-01 16:13:57] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 133 ms. Remains : 22/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-02
Product exploration explored 100000 steps with 6417 reset in 162 ms.
Product exploration explored 100000 steps with 6436 reset in 332 ms.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 155 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 448 steps (0 resets) in 7 ms. (56 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 8 factoid took 185 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 16:13:59] [INFO ] Invariant cache hit.
[2024-06-01 16:13:59] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2024-06-01 16:13:59] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-06-01 16:13:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 16:13:59] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2024-06-01 16:13:59] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-06-01 16:13:59] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 5 ms.
[2024-06-01 16:13:59] [INFO ] Added : 17 causal constraints over 4 iterations in 26 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 22 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-06-01 16:13:59] [INFO ] Invariant cache hit.
[2024-06-01 16:13:59] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-01 16:13:59] [INFO ] Invariant cache hit.
[2024-06-01 16:13:59] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-06-01 16:13:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/40 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 26 constraints, problems are : Problem set: 0 solved, 17 unsolved in 236 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 1/40 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 43 constraints, problems are : Problem set: 0 solved, 17 unsolved in 212 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 454ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 455ms
Finished structural reductions in LTL mode , in 1 iterations and 542 ms. Remains : 22/22 places, 18/18 transitions.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 75 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 490 steps (0 resets) in 4 ms. (98 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 136 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 16:14:00] [INFO ] Invariant cache hit.
[2024-06-01 16:14:00] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2024-06-01 16:14:00] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-06-01 16:14:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 16:14:00] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2024-06-01 16:14:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-06-01 16:14:00] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 16:14:00] [INFO ] Added : 17 causal constraints over 4 iterations in 22 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 6412 reset in 242 ms.
Product exploration explored 100000 steps with 6389 reset in 104 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Graph (complete) has 24 edges and 22 vertex of which 6 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.1 ms
Discarding 16 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 6 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 3 place count 6 transition count 6
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 6 transition count 6
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 8 place count 3 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 3 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 11 rules in 9 ms. Remains 3 /22 variables (removed 19) and now considering 3/18 (removed 15) transitions.
[2024-06-01 16:14:01] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 3 rows 3 cols
[2024-06-01 16:14:01] [INFO ] Computed 0 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem TDEAD1 is UNSAT
At refinement iteration 1 (OVERLAPS) 3/5 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/6 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 3 constraints, problems are : Problem set: 1 solved, 1 unsolved in 36 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/6 variables, 2/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/6 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 4 constraints, problems are : Problem set: 1 solved, 1 unsolved in 30 ms.
Refiners :[State Equation: 3/3 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 71ms problems are : Problem set: 1 solved, 1 unsolved
Search for dead transitions found 1 dead transitions in 71ms
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 : 3/22 places, 2/18 transitions.
Graph (complete) has 1 edges and 3 vertex of which 2 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 2 /3 variables (removed 1) and now considering 2/2 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 2/22 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 2/22 places, 2/18 transitions.
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 2 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:14:01] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 16:14:01] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-06-01 16:14:01] [INFO ] Invariant cache hit.
[2024-06-01 16:14:01] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2024-06-01 16:14:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/39 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 24 constraints, problems are : Problem set: 0 solved, 17 unsolved in 212 ms.
Refiners :[Generalized P Invariants (flows): 3/3 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 17/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 1/39 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 41 constraints, problems are : Problem set: 0 solved, 17 unsolved in 212 ms.
Refiners :[Generalized P Invariants (flows): 3/3 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 430ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 431ms
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 503 ms. Remains : 21/22 places, 18/18 transitions.
Treatment of property HouseConstruction-PT-00020-LTLFireability-02 finished in 4580 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(F(p1)))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:02] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 34 ms returned [3, 9, 13, 19]
[2024-06-01 16:14:02] [INFO ] Actually due to overlaps returned [3, 9, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 35 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 1 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:14:02] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 16:14:02] [INFO ] Invariant cache hit.
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 107 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-03
Product exploration explored 100000 steps with 33333 reset in 52 ms.
Product exploration explored 100000 steps with 33333 reset in 63 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (X p1)), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 20 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-03 finished in 405 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(p0) U p1))))'
Support contains 1 out of 26 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:02] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 41 ms returned [3, 9, 13, 19]
[2024-06-01 16:14:02] [INFO ] Actually due to overlaps returned [3, 9, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 42 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 0 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:14:02] [INFO ] Computed 3 invariants in 4 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 16:14:02] [INFO ] Invariant cache hit.
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 112 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 39 ms.
Product exploration explored 100000 steps with 50000 reset in 40 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p1, (X p1), (X (X p1)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 14 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-04 finished in 318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U p1)))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 3 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:02] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 37 ms returned [3, 9, 13, 19]
[2024-06-01 16:14:02] [INFO ] Actually due to overlaps returned [3, 9, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 38 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 1 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:14:02] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 16:14:02] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 16:14:02] [INFO ] Invariant cache hit.
[2024-06-01 16:14:03] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 112 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-05 finished in 208 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U G((p1 U p2)))||G(F(!p1))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 13 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 11 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 7 place count 8 transition count 7
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 7 place count 8 transition count 5
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 12 place count 5 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 12 place count 5 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 14 place count 4 transition count 4
Applied a total of 14 rules in 6 ms. Remains 4 /26 variables (removed 22) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 4 cols
[2024-06-01 16:14:03] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 16:14:03] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-06-01 16:14:03] [INFO ] Invariant cache hit.
[2024-06-01 16:14:03] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2024-06-01 16:14:03] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-06-01 16:14:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 41 ms.
Refiners :[State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/8 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/8 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 41 ms.
Refiners :[State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 86ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/26 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 135 ms. Remains : 4/26 places, 4/18 transitions.
Stuttering acceptance computed with spot in 264 ms :[(AND p1 (NOT p2)), (AND (NOT p0) p1), (AND (NOT p2) p1), (AND p1 (NOT p0))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-06
Product exploration explored 100000 steps with 9344 reset in 98 ms.
Product exploration explored 100000 steps with 9430 reset in 74 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p2 (NOT p1) (NOT p0)), (X p2), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p2) p1))), (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (F (G p2)), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0))))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND p1 (NOT p0)))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 49 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-06 finished in 673 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((!p0||F(G((F(G(p1)) U p2)))))))'
Support contains 5 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:03] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 16:14:03] [INFO ] Implicit Places using invariants in 36 ms returned [3, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 23/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 235 ms :[(AND p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (AND p0 (NOT p2)), (AND p0 (NOT p2))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-07
Stuttering criterion allowed to conclude after 360 steps with 0 reset in 1 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-07 finished in 297 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 7 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.1 ms
Discarding 19 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 6 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 5 transition count 4
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 4 transition count 3
Applied a total of 4 rules in 6 ms. Remains 4 /26 variables (removed 22) and now considering 3/18 (removed 15) transitions.
// Phase 1: matrix 3 rows 4 cols
[2024-06-01 16:14:04] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-06-01 16:14:04] [INFO ] Invariant cache hit.
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-06-01 16:14:04] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 16:14:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 5 constraints, problems are : Problem set: 0 solved, 1 unsolved in 25 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 26 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 54ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 54ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/26 places, 3/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 108 ms. Remains : 4/26 places, 3/18 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-08
Stuttering criterion allowed to conclude after 60 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-08 finished in 155 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(!p0))||(F(!p0)&&F(p1))))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:04] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants in 30 ms returned [3, 9, 13, 19]
[2024-06-01 16:14:04] [INFO ] Actually due to overlaps returned [3, 9, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 32 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 18
Applied a total of 1 rules in 1 ms. Remains 21 /22 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2024-06-01 16:14:04] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 16:14:04] [INFO ] Invariant cache hit.
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 98 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 225 ms :[p0, p0, p0, p0, (AND (NOT p1) p0), (AND p0 (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-09
Product exploration explored 100000 steps with 33333 reset in 41 ms.
Product exploration explored 100000 steps with 33333 reset in 49 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p1), (X (X p1)), (X (X (NOT p0))), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 13 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-09 finished in 480 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((!p0&&G(p1))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 24 transition count 15
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 22 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 21 transition count 14
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 6 place count 21 transition count 9
Deduced a syphon composed of 5 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 18 place count 14 transition count 9
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 13 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 19 place count 13 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 21 place count 12 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 25 place count 9 transition count 7
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 26 place count 8 transition count 6
Applied a total of 26 rules in 13 ms. Remains 8 /26 variables (removed 18) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 16:14:04] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 16:14:04] [INFO ] Invariant cache hit.
[2024-06-01 16:14:04] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2024-06-01 16:14:04] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 16:14:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 62 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 51 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/26 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 177 ms. Remains : 8/26 places, 6/18 transitions.
Stuttering acceptance computed with spot in 72 ms :[(OR (NOT p1) p0), (NOT p1)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-10
Stuttering criterion allowed to conclude after 120 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-10 finished in 262 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||F(!p1)))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2024-06-01 16:14:04] [INFO ] Computed 8 invariants in 0 ms
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants in 36 ms returned [3, 9, 13, 20]
[2024-06-01 16:14:05] [INFO ] Actually due to overlaps returned [3, 9, 20]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 37 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2024-06-01 16:14:05] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 16:14:05] [INFO ] Invariant cache hit.
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/26 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 97 ms. Remains : 22/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-11
Product exploration explored 100000 steps with 1582 reset in 109 ms.
Product exploration explored 100000 steps with 1506 reset in 137 ms.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 14 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-11 finished in 506 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(!p1))&&p0)))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:14:05] [INFO ] Computed 7 invariants in 0 ms
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants in 31 ms returned [3, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 31 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 18/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 23/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), true, p1]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-15 finished in 174 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(X(G(p1)))))'
Found a Lengthening insensitive property : HouseConstruction-PT-00020-LTLFireability-02
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 16 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.4 ms
Discarding 10 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 15 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 13 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 13 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 11 place count 9 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 11 place count 9 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 13 place count 8 transition count 6
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 15 place count 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 16 place count 6 transition count 5
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 17 place count 5 transition count 4
Applied a total of 17 rules in 11 ms. Remains 5 /26 variables (removed 21) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 5 cols
[2024-06-01 16:14:05] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 16:14:05] [INFO ] Invariant cache hit.
[2024-06-01 16:14:05] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-06-01 16:14:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2/9 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 35 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/9 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 36 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 75ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Starting structural reductions in LI_LTL mode, iteration 1 : 5/26 places, 4/18 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 127 ms. Remains : 5/26 places, 4/18 transitions.
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-02
Product exploration explored 100000 steps with 29525 reset in 53 ms.
Product exploration explored 100000 steps with 29830 reset in 69 ms.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 341 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 151 steps (0 resets) in 4 ms. (30 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F p0)]
Knowledge based reduction with 3 factoid took 347 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-06-01 16:14:07] [INFO ] Invariant cache hit.
[2024-06-01 16:14:07] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 16:14:07] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 16:14:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 16:14:07] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 16:14:07] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 16:14:07] [INFO ] Computed and/alt/rep : 2/3/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 16:14:07] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 5 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 16:14:07] [INFO ] Invariant cache hit.
[2024-06-01 16:14:07] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 16:14:07] [INFO ] Invariant cache hit.
[2024-06-01 16:14:07] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2024-06-01 16:14:07] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 16:14:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2/9 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 37 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/9 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/9 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 36 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 75ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 119 ms. Remains : 5/5 places, 4/4 transitions.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 160 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 185 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
[2024-06-01 16:14:07] [INFO ] Invariant cache hit.
[2024-06-01 16:14:07] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 16:14:07] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 16:14:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 16:14:07] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 16:14:07] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 16:14:07] [INFO ] Computed and/alt/rep : 2/3/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 16:14:07] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 29578 reset in 44 ms.
Product exploration explored 100000 steps with 29542 reset in 62 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Graph (complete) has 3 edges and 5 vertex of which 2 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 2 ms. Remains 2 /5 variables (removed 3) and now considering 2/4 (removed 2) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-06-01 16:14:08] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 16:14:08] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 16:14:08] [INFO ] Invariant cache hit.
[2024-06-01 16:14:08] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2024-06-01 16:14:08] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 16:14:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/4 variables, and 2 constraints, problems are : Problem set: 0 solved, 1 unsolved in 23 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/4 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 29 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 56ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 56ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/5 places, 2/4 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 105 ms. Remains : 2/5 places, 2/4 transitions.
Treatment of property HouseConstruction-PT-00020-LTLFireability-02 finished in 2601 ms.
[2024-06-01 16:14:08] [INFO ] Flatten gal took : 4 ms
[2024-06-01 16:14:08] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-01 16:14:08] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 26 places, 18 transitions and 51 arcs took 4 ms.
Total runtime 15219 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : HouseConstruction-PT-00020-LTLFireability-02

BK_STOP 1717258494913

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name HouseConstruction-PT-00020-LTLFireability-02
ltl formula formula --ltl=/tmp/1384/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 26 places, 18 transitions and 51 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1384/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1384/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1384/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1384/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 28 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 27, there are 24 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4): ~262 levels ~10000 states ~22688 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~20000 states ~40216 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~40000 states ~87148 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~80000 states ~186236 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~160000 states ~394808 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~320000 states ~852132 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~640000 states ~1813892 transitions
pnml2lts-mc( 2/ 4): ~262 levels ~1280000 states ~3912672 transitions
pnml2lts-mc( 2/ 4): ~262 levels ~2560000 states ~8132812 transitions
pnml2lts-mc( 2/ 4): ~262 levels ~5120000 states ~16670968 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~10240000 states ~35154100 transitions
pnml2lts-mc( 0/ 4): ~258 levels ~20480000 states ~73281904 transitions
pnml2lts-mc( 1/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 28984962
pnml2lts-mc( 0/ 4): unique states count: 28985571
pnml2lts-mc( 0/ 4): unique transitions count: 107116447
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 78842226
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 29366244
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1037
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 29366244 states 109412664 transitions, fanout: 3.726
pnml2lts-mc( 0/ 4): Total exploration time 45.640 sec (45.640 sec minimum, 45.640 sec on average)
pnml2lts-mc( 0/ 4): States per second: 643432, Transitions per second: 2397298
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 285.1MB, 10.3 B/state, compr.: 9.4%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 86.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 18 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 285.1MB (~256.0MB paged-in)

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="HouseConstruction-PT-00020"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is HouseConstruction-PT-00020, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r500-smll-171649587600172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-00020.tgz
mv HouseConstruction-PT-00020 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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