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.r421-smll-171690573200348.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)
....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is TwoPhaseLocking-PT-nC00100vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-smll-171690573200348
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 23 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 07:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 13 07:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Apr 13 07:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Apr 13 07:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 4.6K May 18 16:43 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 TwoPhaseLocking-PT-nC00100vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717071925435

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC00100vN
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 12:25:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-30 12:25:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 12:25:27] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2024-05-30 12:25:27] [INFO ] Transformed 8 places.
[2024-05-30 12:25:27] [INFO ] Transformed 6 transitions.
[2024-05-30 12:25:27] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 205 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 16 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:28] [INFO ] Computed 3 invariants in 4 ms
[2024-05-30 12:25:28] [INFO ] Implicit Places using invariants in 181 ms returned []
[2024-05-30 12:25:28] [INFO ] Invariant cache hit.
[2024-05-30 12:25:28] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 273 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 300ms
Finished structural reductions in LTL mode , in 1 iterations and 617 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2024-05-30 12:25:29] [INFO ] Flatten gal took : 18 ms
[2024-05-30 12:25:29] [INFO ] Flatten gal took : 4 ms
[2024-05-30 12:25:29] [INFO ] Input system was already deterministic with 6 transitions.
Reduction of identical properties reduced properties to check from 8 to 7
RANDOM walk for 820 steps (0 resets) in 14 ms. (54 steps per ms) remains 0/7 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 26 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-05-30 12:25:29] [INFO ] Computed 3 invariants in 1 ms
[2024-05-30 12:25:29] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-05-30 12:25:29] [INFO ] Invariant cache hit.
[2024-05-30 12:25:29] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2024-05-30 12:25:29] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-05-30 12:25:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 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) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 12 constraints, problems are : Problem set: 0 solved, 3 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 352ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 353ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 466 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 216 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 478 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-00 finished in 1257 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 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:30] [INFO ] Computed 3 invariants in 1 ms
[2024-05-30 12:25:30] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-30 12:25:30] [INFO ] Invariant cache hit.
[2024-05-30 12:25:30] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 189ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 189ms
Finished structural reductions in LTL mode , in 1 iterations and 262 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 142 ms.
Product exploration explored 100000 steps with 50000 reset in 170 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 23 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-01 finished in 723 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(!p0)||X((G(!p1)||(!p1&&F(p0))))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:31] [INFO ] Invariant cache hit.
[2024-05-30 12:25:31] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-30 12:25:31] [INFO ] Invariant cache hit.
[2024-05-30 12:25:31] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 203ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 204ms
Finished structural reductions in LTL mode , in 1 iterations and 274 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 354 ms :[true, (NOT p0), p1, (AND p0 p1), (AND (NOT p0) p1), p0, (AND p0 p1), (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-02
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-02 finished in 656 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0 U X(!p0)))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:32] [INFO ] Invariant cache hit.
[2024-05-30 12:25:32] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-30 12:25:32] [INFO ] Invariant cache hit.
[2024-05-30 12:25:32] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 162ms
Finished structural reductions in LTL mode , in 1 iterations and 230 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 117 ms :[p0, p0, true, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-04
Entered a terminal (fully accepting) state of product in 32 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-04 finished in 363 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(p1)||p0)))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 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 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 3 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2024-05-30 12:25:32] [INFO ] Computed 3 invariants in 1 ms
[2024-05-30 12:25:32] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-30 12:25:32] [INFO ] Invariant cache hit.
[2024-05-30 12:25:32] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-05-30 12:25:32] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-30 12:25:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 132ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 205 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-05
Product exploration explored 100000 steps with 4509 reset in 127 ms.
Stack based approach found an accepted trace after 177 steps with 11 reset with depth 13 and stack size 13 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-05 finished in 512 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(G(!p1)))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:33] [INFO ] Computed 3 invariants in 0 ms
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 159ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 160ms
Finished structural reductions in LTL mode , in 1 iterations and 224 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 115 ms :[(AND (NOT p0) p1), p1, (AND (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 41 ms.
Product exploration explored 100000 steps with 50000 reset in 52 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X p0), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 14 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-06 finished in 469 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 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 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 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
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 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 11 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-05-30 12:25:33] [INFO ] Computed 3 invariants in 0 ms
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2024-05-30 12:25:33] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 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) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 12 constraints, problems are : Problem set: 0 solved, 3 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 100ms 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 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 177 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 36 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 71 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-07 finished in 299 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((X(G(X(p0)))&&(X(!p0) U p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:33] [INFO ] Computed 3 invariants in 0 ms
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
[2024-05-30 12:25:33] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 153ms
Finished structural reductions in LTL mode , in 1 iterations and 216 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-08
Product exploration explored 100000 steps with 7443 reset in 82 ms.
Stack based approach found an accepted trace after 8728 steps with 654 reset with depth 8 and stack size 8 in 8 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-08 finished in 521 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X((X(p1) U p0)))&&(X(G(p1))||F(p2)))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
[2024-05-30 12:25:34] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
[2024-05-30 12:25:34] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 156ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 157ms
Finished structural reductions in LTL mode , in 1 iterations and 214 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 305 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1)), (NOT p0), (OR (NOT p1) (NOT p0)), true, (NOT p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-09
Entered a terminal (fully accepting) state of product in 14 steps with 1 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-09 finished in 543 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G(p0)))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
[2024-05-30 12:25:34] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
[2024-05-30 12:25:34] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 156ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 157ms
Finished structural reductions in LTL mode , in 1 iterations and 215 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 118 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-11 finished in 347 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 ((F(p0) U p1) U !p2)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:35] [INFO ] Invariant cache hit.
[2024-05-30 12:25:35] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-30 12:25:35] [INFO ] Invariant cache hit.
[2024-05-30 12:25:35] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2024-05-30 12:25:35] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 192 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 158 ms :[p2, (NOT p0), (NOT p1), p2]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-13
Product exploration explored 100000 steps with 22511 reset in 218 ms.
Product exploration explored 100000 steps with 22236 reset in 202 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (AND p2 (NOT p1))), (X (NOT (AND p2 p0))), (X (AND p2 (NOT p1) (NOT p0))), (X (AND p2 (NOT p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X p2))]
False Knowledge obtained : [(X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (AND p2 (NOT p1) (NOT p0)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (AND p2 (NOT p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 594 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 11 states, 35 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 422 ms :[(OR (NOT p1) (NOT p0) p2), (NOT p0), (NOT p1), p2, false, false, false, false, false, false, false]
Reduction of identical properties reduced properties to check from 13 to 10
RANDOM walk for 40049 steps (8 resets) in 925 ms. (43 steps per ms) remains 4/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 466 ms. (85 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 117 ms. (339 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
[2024-05-30 12:25:37] [INFO ] Invariant cache hit.
Problem apf4 is UNSAT
Problem apf6 is UNSAT
Problem apf7 is UNSAT
Problem apf9 is UNSAT
After SMT solving in domain Real declared 2/14 variables, and 0 constraints, problems are : Problem set: 4 solved, 0 unsolved in 17 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, State Equation: 0/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 20ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 4 invariant AP formulas.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (AND p2 (NOT p1))), (X (NOT (AND p2 p0))), (X (AND p2 (NOT p1) (NOT p0))), (X (AND p2 (NOT p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X p2)), (G (OR p1 p2 p0)), (G (OR p1 (NOT p2) (NOT p0))), (G (OR (NOT p1) (NOT p2) p0)), (G (OR p1 p2 (NOT p0)))]
False Knowledge obtained : [(X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (AND p2 (NOT p1) (NOT p0)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (AND p2 (NOT p0)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR (NOT p1) p2 (NOT p0)))), (F (NOT (AND (NOT p1) p2))), (F (NOT (OR (NOT p1) p2 p0))), (F p1), (F (NOT p2)), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F (NOT (AND (NOT p1) p2 (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p0)))), (F p0)]
Knowledge based reduction with 14 factoid took 947 ms. Reduced automaton from 11 states, 35 edges and 3 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
[2024-05-30 12:25:39] [INFO ] Invariant cache hit.
[2024-05-30 12:25:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:39] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-30 12:25:39] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-30 12:25:39] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
[2024-05-30 12:25:39] [INFO ] Invariant cache hit.
[2024-05-30 12:25:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:39] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-30 12:25:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:39] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-30 12:25:39] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-30 12:25:39] [INFO ] Added : 3 causal constraints over 1 iterations in 20 ms. Result :sat
Could not prove EG p2
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:39] [INFO ] Invariant cache hit.
[2024-05-30 12:25:39] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-30 12:25:39] [INFO ] Invariant cache hit.
[2024-05-30 12:25:39] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2024-05-30 12:25:39] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 213 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 286ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 359 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (AND p2 (NOT p0))), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p0))))]
False Knowledge obtained : [(X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND p2 (NOT p0)))), (X (X (NOT (AND p2 (NOT p0)))))]
Knowledge based reduction with 10 factoid took 419 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 302 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
RANDOM walk for 1454 steps (0 resets) in 6 ms. (207 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p2 p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (AND p2 (NOT p0))), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p0))))]
False Knowledge obtained : [(X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND p2 (NOT p0)))), (X (X (NOT (AND p2 (NOT p0))))), (F (NOT (AND p2 (NOT p0)))), (F (NOT (OR p2 (NOT p0)))), (F p0), (F (NOT p2)), (F (NOT (OR (NOT p2) (NOT p0)))), (F (NOT (OR p2 p0)))]
Knowledge based reduction with 10 factoid took 669 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 280 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
Stuttering acceptance computed with spot in 255 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
[2024-05-30 12:25:41] [INFO ] Invariant cache hit.
[2024-05-30 12:25:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:41] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-30 12:25:41] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-30 12:25:41] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
[2024-05-30 12:25:41] [INFO ] Invariant cache hit.
[2024-05-30 12:25:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-30 12:25:41] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-30 12:25:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:41] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-30 12:25:41] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-30 12:25:41] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG p2
Stuttering acceptance computed with spot in 348 ms :[(OR (NOT p0) p2), (NOT p0), p2, false, false, false]
Product exploration explored 100000 steps with 18861 reset in 111 ms.
Product exploration explored 100000 steps with 18847 reset in 132 ms.
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 3 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
[2024-05-30 12:25:42] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
[2024-05-30 12:25:42] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2024-05-30 12:25:42] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 218ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 309 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-13 finished in 7564 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((F(p0)&&(!p1||F(!p2))))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
[2024-05-30 12:25:42] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
[2024-05-30 12:25:42] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 196ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 197ms
Finished structural reductions in LTL mode , in 1 iterations and 266 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 280 ms :[(OR (NOT p0) (AND p1 p2)), (OR (AND (NOT p0) p2) (AND p1 p2)), (AND p2 (NOT p0)), (NOT p0), (OR (NOT p0) (AND p1 p2))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-14
Product exploration explored 100000 steps with 15098 reset in 112 ms.
Product exploration explored 100000 steps with 15168 reset in 124 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2))))]
Knowledge based reduction with 11 factoid took 595 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 362 steps (0 resets) in 5 ms. (60 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (F p0)]
Knowledge based reduction with 11 factoid took 644 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 146 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-30 12:25:45] [INFO ] Invariant cache hit.
[2024-05-30 12:25:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 12:25:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-30 12:25:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:45] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-30 12:25:45] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-30 12:25:45] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:45] [INFO ] Invariant cache hit.
[2024-05-30 12:25:45] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-30 12:25:45] [INFO ] Invariant cache hit.
[2024-05-30 12:25:45] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 215ms
Finished structural reductions in LTL mode , in 1 iterations and 282 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 104 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 412 steps (0 resets) in 4 ms. (82 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 139 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-30 12:25:46] [INFO ] Invariant cache hit.
[2024-05-30 12:25:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:46] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-30 12:25:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-30 12:25:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-30 12:25:46] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-30 12:25:46] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15136 reset in 118 ms.
Product exploration explored 100000 steps with 15037 reset in 113 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:47] [INFO ] Redundant transitions in 1 ms returned []
Running 5 sub problems to find dead transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:47] [INFO ] Computed 3 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 2 solved, 3 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/8 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 3/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 14 constraints, problems are : Problem set: 2 solved, 3 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 165ms problems are : Problem set: 2 solved, 3 unsolved
Search for dead transitions found 2 dead transitions in 165ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 4/6 transitions.
Graph (complete) has 12 edges and 8 vertex of which 6 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 6 /8 variables (removed 2) and now considering 4/4 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 180 ms. Remains : 6/8 places, 4/6 transitions.
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:47] [INFO ] Computed 3 invariants in 1 ms
[2024-05-30 12:25:47] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-30 12:25:47] [INFO ] Invariant cache hit.
[2024-05-30 12:25:47] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 204ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 204ms
Finished structural reductions in LTL mode , in 1 iterations and 270 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 finished in 5114 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 ((F(p0) U p1) U !p2)))'
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((F(p0)&&(!p1||F(!p2))))))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-14
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p0) (AND p1 p2)), (OR (AND (NOT p0) p2) (AND p1 p2)), (AND p2 (NOT p0)), (NOT p0), (OR (NOT p0) (AND p1 p2))]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:49] [INFO ] Invariant cache hit.
[2024-05-30 12:25:49] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-05-30 12:25:49] [INFO ] Invariant cache hit.
[2024-05-30 12:25:49] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 230ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 231ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 305 ms. Remains : 8/8 places, 6/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-14
Product exploration explored 100000 steps with 15161 reset in 113 ms.
Product exploration explored 100000 steps with 15167 reset in 135 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2))))]
Knowledge based reduction with 11 factoid took 593 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 412 steps (0 resets) in 4 ms. (82 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 p1 p2))), (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))))), (X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (F p0)]
Knowledge based reduction with 11 factoid took 636 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-30 12:25:51] [INFO ] Invariant cache hit.
[2024-05-30 12:25:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-30 12:25:51] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-30 12:25:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-30 12:25:51] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-30 12:25:51] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-30 12:25:51] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:51] [INFO ] Invariant cache hit.
[2024-05-30 12:25:51] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-05-30 12:25:51] [INFO ] Invariant cache hit.
[2024-05-30 12:25:51] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 209ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 209ms
Finished structural reductions in LTL mode , in 1 iterations and 286 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 412 steps (0 resets) in 4 ms. (82 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 1683 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-30 12:25:54] [INFO ] Invariant cache hit.
[2024-05-30 12:25:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-30 12:25:54] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-30 12:25:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 12:25:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-30 12:25:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-30 12:25:54] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-30 12:25:54] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 145 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15106 reset in 93 ms.
Product exploration explored 100000 steps with 15109 reset in 105 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 142 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 4 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-05-30 12:25:55] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:55] [INFO ] Computed 3 invariants in 8 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 2 solved, 3 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/8 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 3/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 14 constraints, problems are : Problem set: 2 solved, 3 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 191ms problems are : Problem set: 2 solved, 3 unsolved
Search for dead transitions found 2 dead transitions in 192ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 4/6 transitions.
Graph (complete) has 12 edges and 8 vertex of which 6 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 6 /8 variables (removed 2) and now considering 4/4 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 205 ms. Remains : 6/8 places, 4/6 transitions.
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-05-30 12:25:55] [INFO ] Computed 3 invariants in 1 ms
[2024-05-30 12:25:55] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-30 12:25:55] [INFO ] Invariant cache hit.
[2024-05-30 12:25:55] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-05-30 12:25:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 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) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 221ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 222ms
Finished structural reductions in LTL mode , in 1 iterations and 285 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 finished in 6653 ms.
[2024-05-30 12:25:55] [INFO ] Flatten gal took : 4 ms
[2024-05-30 12:25:55] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 4 ms.
[2024-05-30 12:25:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 6 ms.
Total runtime 28563 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running TwoPhaseLocking-PT-nC00100vN

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 8
TRANSITIONS: 6
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.001s, Sys 0.000s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1858
MODEL NAME: /home/mcc/execution/414/model
8 places, 6 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-13 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1717072139468

--------------------
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

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="TwoPhaseLocking-PT-nC00100vN"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is TwoPhaseLocking-PT-nC00100vN, 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 r421-smll-171690573200348"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00100vN.tgz
mv TwoPhaseLocking-PT-nC00100vN 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 ;