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-171649587800252.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-32000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r500-smll-171649587800252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 3.3K Apr 22 14:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 18:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 18:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Apr 11 18:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 11 18:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Apr 11 18:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K 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-32000-LTLFireability-00
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-01
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-02
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-03
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-04
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-05
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-06
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-07
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-08
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-09
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-10
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-11
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-12
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-13
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-14
FORMULA_NAME HouseConstruction-PT-32000-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717261064469

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-32000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 16:57:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 16:57:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 16:57:47] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2024-06-01 16:57:47] [INFO ] Transformed 26 places.
[2024-06-01 16:57:47] [INFO ] Transformed 18 transitions.
[2024-06-01 16:57:47] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 396 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 32 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA HouseConstruction-PT-32000-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-32000-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-32000-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-32000-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 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 22 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 16:57:47] [INFO ] Computed 8 invariants in 8 ms
[2024-06-01 16:57:48] [INFO ] Implicit Places using invariants in 438 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 509 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 572 ms. Remains : 25/26 places, 18/18 transitions.
Support contains 22 out of 25 places after structural reductions.
[2024-06-01 16:57:48] [INFO ] Flatten gal took : 34 ms
[2024-06-01 16:57:48] [INFO ] Flatten gal took : 11 ms
[2024-06-01 16:57:48] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 21 out of 25 places (down from 22) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 18 to 17
RANDOM walk for 128004 steps (0 resets) in 632 ms. (202 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 475 ms. (8 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 112 ms. (35 steps per ms) remains 2/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 2/2 properties
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:57:49] [INFO ] Computed 7 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/23 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 17/40 variables, 23/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/43 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/43 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 144 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 25/25 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, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/23 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 17/40 variables, 23/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/43 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/43 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 34 constraints, problems are : Problem set: 0 solved, 2 unsolved in 112 ms.
Refiners :[Generalized P Invariants (flows): 7/7 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 287ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 63884 steps, including 0 resets, run visited all 2 properties in 695 ms. (steps per millisecond=91 )
Parikh walk visited 2 properties in 703 ms.
Computed a total of 25 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 25 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' '!(X(F(p0)))'
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 17 ms. Remains 24 /25 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 24 cols
[2024-06-01 16:57:50] [INFO ] Computed 6 invariants in 2 ms
[2024-06-01 16:57:50] [INFO ] Implicit Places using invariants in 77 ms returned [8, 12, 18]
[2024-06-01 16:57:50] [INFO ] Actually due to overlaps returned [8, 18]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 79 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/25 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 3 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 16:57:50] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 16:57:50] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-01 16:57:50] [INFO ] Invariant cache hit.
[2024-06-01 16:57:50] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 207 ms. Remains : 21/25 places, 18/18 transitions.
Stuttering acceptance computed with spot in 320 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 334 ms.
Product exploration explored 100000 steps with 50000 reset in 204 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 : [p0, (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 28 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-32000-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-00 finished in 1267 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 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 2 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.1 ms
Discarding 23 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 16 ms. Remains 2 /25 variables (removed 23) and now considering 2/18 (removed 16) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-06-01 16:57:51] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 16:57:51] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 16:57:51] [INFO ] Invariant cache hit.
[2024-06-01 16:57:51] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2024-06-01 16:57:51] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 16:57:51] [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 33 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 49 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 88ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 88ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/25 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 177 ms. Remains : 2/25 places, 2/18 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-01
Product exploration explored 100000 steps with 1 reset in 251 ms.
Product exploration explored 100000 steps with 1 reset in 322 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
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 : [p0, (X (NOT p0)), (F (G p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 15 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-01 finished in 872 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(((F(p0) U G(!p1))&&G(F(p2)))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 18 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Ensure Unique test removed 1 places
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 17 transition count 11
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 15 transition count 11
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 15 transition count 9
Deduced a syphon composed of 2 places in 1 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 11 transition count 9
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 11 transition count 8
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 10 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 15 place count 9 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 16 place count 8 transition count 7
Applied a total of 16 rules in 18 ms. Remains 8 /25 variables (removed 17) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-06-01 16:57:52] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 16:57:52] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-06-01 16:57:52] [INFO ] Invariant cache hit.
[2024-06-01 16:57:52] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2024-06-01 16:57:52] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 16:57:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/14 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 1/15 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 9 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/14 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1/15 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 15 constraints, problems are : Problem set: 0 solved, 6 unsolved in 109 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 208ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/25 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 278 ms. Remains : 8/25 places, 7/18 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p2) p1), (NOT p2), p1]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 237 ms.
Product exploration explored 100000 steps with 2 reset in 299 ms.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
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 p1), (X p2), (X (NOT p1)), (X (X p2)), (F (G p2)), (F (G p1))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Property proved to be false thanks to negative knowledge :(X (X (NOT p1)))
Knowledge based reduction with 6 factoid took 201 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-02 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-02 finished in 1206 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' '!(G(F((p0 U (p1||G(p0))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 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 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 23 transition count 13
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 19 transition count 13
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 19 transition count 8
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 2 with 12 rules applied. Total rules applied 20 place count 12 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 21 place count 11 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 21 place count 11 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 23 place count 10 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 25 place count 9 transition count 6
Applied a total of 25 rules in 10916 ms. Remains 9 /25 variables (removed 16) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 9 cols
[2024-06-01 16:58:04] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 16:58:04] [INFO ] Implicit Places using invariants in 35 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/25 places, 6/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 10954 ms. Remains : 8/25 places, 6/18 transitions.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-03
Product exploration explored 100000 steps with 32 reset in 132 ms.
Product exploration explored 100000 steps with 1 reset in 216 ms.
Computed a total of 8 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 6
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 p1 p0), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (F (G p1)), (F (G p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 22 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-03 finished in 11455 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(F(p0)) U !p1)))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:58:05] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 16:58:05] [INFO ] Implicit Places using invariants in 59 ms returned [8, 12, 19]
[2024-06-01 16:58:05] [INFO ] Actually due to overlaps returned [8, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 61 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 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 16:58:05] [INFO ] Computed 4 invariants in 2 ms
[2024-06-01 16:58:05] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-06-01 16:58:05] [INFO ] Invariant cache hit.
[2024-06-01 16:58:05] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 180 ms. Remains : 22/25 places, 18/18 transitions.
Stuttering acceptance computed with spot in 218 ms :[p1, p1, (NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 56 ms.
Product exploration explored 100000 steps with 50000 reset in 67 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 p1) p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0))]
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 22 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-04 finished in 613 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)&&(p1 U X(G(!p2))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:58:05] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 16:58:05] [INFO ] Implicit Places using invariants in 46 ms returned [8, 12, 19]
[2024-06-01 16:58:05] [INFO ] Actually due to overlaps returned [8, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 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 16:58:05] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 16:58:06] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-01 16:58:06] [INFO ] Invariant cache hit.
[2024-06-01 16:58:06] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 161 ms. Remains : 22/25 places, 18/18 transitions.
Stuttering acceptance computed with spot in 315 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), (NOT p0), p2, p2, true]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-32000-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-32000-LTLFireability-05 finished in 504 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(p0)))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 2 ms. Remains 24 /25 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 24 cols
[2024-06-01 16:58:06] [INFO ] Computed 6 invariants in 1 ms
[2024-06-01 16:58:06] [INFO ] Implicit Places using invariants in 54 ms returned [8, 12]
[2024-06-01 16:58:06] [INFO ] Actually due to overlaps returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 56 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 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 16:58:06] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 16:58:06] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-01 16:58:06] [INFO ] Invariant cache hit.
[2024-06-01 16:58:06] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 170 ms. Remains : 22/25 places, 18/18 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-08
Product exploration explored 100000 steps with 1472 reset in 177 ms.
Product exploration explored 100000 steps with 1477 reset in 224 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 124 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128004 steps (0 resets) in 66 ms. (1910 steps per ms) remains 1/1 properties
BEST_FIRST walk for 1497 steps (0 resets) in 10 ms. (136 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 339 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 94 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
[2024-06-01 16:58:07] [INFO ] Invariant cache hit.
[2024-06-01 16:58:07] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2024-06-01 16:58:08] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-06-01 16:58:08] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 5 ms.
[2024-06-01 16:58:08] [INFO ] Added : 17 causal constraints over 4 iterations in 44 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 11
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 15 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 12 place count 15 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 20 place count 11 transition count 7
Discarding 2 places :
Implicit places reduction removed 2 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 3 rules applied. Total rules applied 23 place count 9 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 24 place count 8 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 24 place count 8 transition count 5
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 26 place count 7 transition count 5
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 27 place count 6 transition count 4
Applied a total of 27 rules in 49326 ms. Remains 6 /22 variables (removed 16) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-06-01 16:58:57] [INFO ] Computed 2 invariants in 2 ms
[2024-06-01 16:58:57] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-06-01 16:58:57] [INFO ] Invariant cache hit.
[2024-06-01 16:58:57] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2024-06-01 16:58:57] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 16:58:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 54 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 57 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 118ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/22 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49538 ms. Remains : 6/22 places, 4/18 transitions.
Computed a total of 6 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6 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), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 134 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 100 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128004 steps (0 resets) in 46 ms. (2723 steps per ms) remains 1/1 properties
BEST_FIRST walk for 42 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 159 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
[2024-06-01 16:58:58] [INFO ] Invariant cache hit.
[2024-06-01 16:58:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-06-01 16:58:58] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 16:58:58] [INFO ] Computed and/alt/rep : 2/4/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 16:58:58] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15146 reset in 66 ms.
Product exploration explored 100000 steps with 15092 reset in 86 ms.
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 16:58:58] [INFO ] Invariant cache hit.
[2024-06-01 16:58:58] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-06-01 16:58:58] [INFO ] Invariant cache hit.
[2024-06-01 16:58:58] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-06-01 16:58:58] [INFO ] Redundant transitions in 1 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 16:58:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 63 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 167 ms. Remains : 6/6 places, 4/4 transitions.
Treatment of property HouseConstruction-PT-32000-LTLFireability-08 finished in 52285 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(F(p1)))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 11 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.0 ms
Discarding 14 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Reduce places removed 1 places and 1 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 10 transition count 6
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 0 with 4 rules applied. Total rules applied 5 place count 7 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 5 place count 7 transition count 4
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 0 with 5 rules applied. Total rules applied 10 place count 4 transition count 4
Applied a total of 10 rules in 9773 ms. Remains 4 /25 variables (removed 21) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 4 cols
[2024-06-01 16:59:08] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 16:59:08] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 16:59:08] [INFO ] Invariant cache hit.
[2024-06-01 16:59:08] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2024-06-01 16:59:08] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-06-01 16:59:08] [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 49 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 48 ms.
Refiners :[State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 99ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 100ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/25 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9919 ms. Remains : 4/25 places, 4/18 transitions.
Stuttering acceptance computed with spot in 82 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 40 ms.
Product exploration explored 100000 steps with 50000 reset in 51 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 p0 (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 15 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-09 finished in 10157 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((p0 U (G(p0)||(p0&&(p1 U G((F(p3)&&p2)))))))))'
Support contains 6 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2024-06-01 16:59:08] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 16:59:08] [INFO ] Implicit Places using invariants in 36 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 24/25 places, 18/18 transitions.
Stuttering acceptance computed with spot in 344 ms :[(NOT p0), (NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3)))]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-11
Product exploration explored 100000 steps with 2331 reset in 214 ms.
Product exploration explored 100000 steps with 2338 reset in 278 ms.
Computed a total of 24 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 24 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 p2) (NOT p1) p0 (NOT p3)), (X (AND (NOT p2) (NOT p1) p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p2 (NOT p3) p0))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (AND p2 (NOT p1) p0))), (X (NOT (AND p2 p1 p0))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p3) p0))), (X (X (NOT p3))), (X (X (NOT (AND p2 (NOT p3) p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p2 (NOT p1) p0)))), (X (X (NOT (AND p2 p1 p0)))), (X (X (AND (NOT p2) (NOT p1) p0))), (X (X (NOT (AND (NOT p3) (NOT p0))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X p0)), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p1))), (F (G p0)), (F (G (NOT p3)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 32 factoid took 109 ms. Reduced automaton from 5 states, 25 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-11 finished in 1066 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))'
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 6 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 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 5 transition count 3
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 5 place count 3 transition count 2
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 7 place count 2 transition count 2
Applied a total of 7 rules in 10082 ms. Remains 2 /25 variables (removed 23) and now considering 2/18 (removed 16) transitions.
// Phase 1: matrix 2 rows 2 cols
[2024-06-01 16:59:20] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 16:59:20] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 16:59:20] [INFO ] Invariant cache hit.
[2024-06-01 16:59:20] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2024-06-01 16:59:20] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 16:59:20] [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 33 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 33 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 70ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 70ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/25 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10217 ms. Remains : 2/25 places, 2/18 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 29 ms.
Product exploration explored 100000 steps with 50000 reset in 38 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
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), (X p0), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 18 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-12 finished in 10392 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' '!(G((F(G(!p0))&&F((!p1 U (p2||G(!p1)))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 9 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.0 ms
Discarding 16 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 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 9 transition count 7
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 8 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 5 place count 7 transition count 6
Applied a total of 5 rules in 3 ms. Remains 7 /25 variables (removed 18) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 7 cols
[2024-06-01 16:59:20] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 16:59:20] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 16:59:20] [INFO ] Invariant cache hit.
[2024-06-01 16:59:20] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2024-06-01 16:59:20] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-06-01 16:59:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 6/12 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 1/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 5 unsolved in 96 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 6/12 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1/13 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 86 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 188ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 188ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/25 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 255 ms. Remains : 7/25 places, 6/18 transitions.
Stuttering acceptance computed with spot in 173 ms :[(OR p0 (AND p1 (NOT p2))), p0, (AND (NOT p2) p1)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 155 ms.
Product exploration explored 100000 steps with 0 reset in 228 ms.
Computed a total of 7 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 7 transition count 6
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 p2) p1), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (F (G (NOT p0))), (F (G p2)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 25 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-14 finished in 906 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' '!(((p0 U p1)||G(F(p0))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Graph (complete) has 29 edges and 25 vertex of which 14 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.0 ms
Discarding 11 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 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 13 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 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 5 place count 11 transition count 7
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 7 place count 10 transition count 7
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 8 place count 9 transition count 6
Applied a total of 8 rules in 47114 ms. Remains 9 /25 variables (removed 16) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 9 cols
[2024-06-01 17:00:08] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 17:00:08] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 17:00:08] [INFO ] Invariant cache hit.
[2024-06-01 17:00:08] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2024-06-01 17:00:08] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 17:00:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 70 ms.
Refiners :[Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 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) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 16 constraints, problems are : Problem set: 0 solved, 4 unsolved in 80 ms.
Refiners :[Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 154ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 154ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/25 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47333 ms. Remains : 9/25 places, 6/18 transitions.
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-15
Product exploration explored 100000 steps with 1527 reset in 136 ms.
Product exploration explored 100000 steps with 3163 reset in 271 ms.
Computed a total of 9 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 9 transition count 6
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 p1) p0), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 25 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-32000-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-32000-LTLFireability-15 finished in 48000 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(p0)))'
Found a Shortening insensitive property : HouseConstruction-PT-32000-LTLFireability-08
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 25/25 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 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 23 transition count 12
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 18 transition count 12
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 10 place count 18 transition count 8
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 20 place count 12 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 21 place count 11 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 21 place count 11 transition count 6
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 25 place count 9 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 3 with 2 rules applied. Total rules applied 27 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 28 place count 7 transition count 5
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 29 place count 6 transition count 4
Applied a total of 29 rules in 48697 ms. Remains 6 /25 variables (removed 19) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-06-01 17:00:58] [INFO ] Computed 2 invariants in 3 ms
[2024-06-01 17:00:58] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 17:00:58] [INFO ] Invariant cache hit.
[2024-06-01 17:00:58] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2024-06-01 17:00:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 93ms
Starting structural reductions in LI_LTL mode, iteration 1 : 6/25 places, 4/18 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 48853 ms. Remains : 6/25 places, 4/18 transitions.
Running random walk in product with property : HouseConstruction-PT-32000-LTLFireability-08
Product exploration explored 100000 steps with 15114 reset in 61 ms.
Product exploration explored 100000 steps with 15114 reset in 76 ms.
Computed a total of 6 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6 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), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 88 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128004 steps (0 resets) in 19 ms. (6400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 42 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 111 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 71 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-06-01 17:00:59] [INFO ] Invariant cache hit.
[2024-06-01 17:00:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 0 ms returned sat
[2024-06-01 17:00:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 17:00:59] [INFO ] Computed and/alt/rep : 2/4/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 17:00:59] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 17:00:59] [INFO ] Invariant cache hit.
[2024-06-01 17:00:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 17:00:59] [INFO ] Invariant cache hit.
[2024-06-01 17:00:59] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-06-01 17:00:59] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 17:00:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 44 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 86ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 86ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 148 ms. Remains : 6/6 places, 4/4 transitions.
Computed a total of 6 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6 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), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 93 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 76 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128004 steps (0 resets) in 29 ms. (4266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 41 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 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 101 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
[2024-06-01 17:00:59] [INFO ] Invariant cache hit.
[2024-06-01 17:01:00] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-06-01 17:01:00] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 17:01:00] [INFO ] Computed and/alt/rep : 2/4/2 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 17:01:00] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 14983 reset in 107 ms.
Product exploration explored 100000 steps with 15145 reset in 127 ms.
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 17:01:00] [INFO ] Invariant cache hit.
[2024-06-01 17:01:00] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 17:01:00] [INFO ] Invariant cache hit.
[2024-06-01 17:01:00] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2024-06-01 17:01:00] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 17:01:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 57 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/10 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 58 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 119ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 196 ms. Remains : 6/6 places, 4/4 transitions.
Treatment of property HouseConstruction-PT-32000-LTLFireability-08 finished in 51372 ms.
[2024-06-01 17:01:00] [INFO ] Flatten gal took : 6 ms
[2024-06-01 17:01:00] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 4 ms.
[2024-06-01 17:01:00] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25 places, 18 transitions and 49 arcs took 2 ms.
Total runtime 193822 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : HouseConstruction-PT-32000-LTLFireability-08

BK_STOP 1717261266307

--------------------
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-32000-LTLFireability-08
ltl formula formula --ltl=/tmp/1207/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 25 places, 18 transitions and 49 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1207/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1207/ltl_0_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1207/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1207/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 27 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 26, there are 22 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( 1/ 4): ~2500 levels ~10000 states ~59984 transitions
pnml2lts-mc( 1/ 4): ~5000 levels ~20000 states ~119984 transitions
pnml2lts-mc( 1/ 4): ~10000 levels ~40000 states ~239984 transitions
pnml2lts-mc( 1/ 4): ~20000 levels ~80000 states ~479984 transitions
pnml2lts-mc( 1/ 4): ~40000 levels ~160000 states ~959972 transitions
pnml2lts-mc( 1/ 4): ~80000 levels ~320000 states ~2015960 transitions
pnml2lts-mc( 0/ 4): ~160000 levels ~640000 states ~5255480 transitions
pnml2lts-mc( 2/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 7739
pnml2lts-mc( 0/ 4): unique states count: 1090274
pnml2lts-mc( 0/ 4): unique transitions count: 10109892
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1090284
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1082545
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1090284 states 10109939 transitions, fanout: 9.273
pnml2lts-mc( 0/ 4): Total exploration time 4.640 sec (4.540 sec minimum, 4.610 sec on average)
pnml2lts-mc( 0/ 4): States per second: 234975, Transitions per second: 2178866
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 90.2MB, 27.5 B/state, compr.: 26.0%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 10.0%/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: 90.2MB (~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-32000"
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-32000, 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-171649587800252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-32000.tgz
mv HouseConstruction-PT-32000 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 ;