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.r532-smll-171683811100268.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 ltsminxred
Input is SmallOperatingSystem-PT-MT0512DC0256, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r532-smll-171683811100268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 9.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Apr 23 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 14:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Apr 12 14:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Apr 12 14:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 12 14:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Apr 23 07:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Apr 23 07:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 13 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 8.2K 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 SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717255203641

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SmallOperatingSystem-PT-MT0512DC0256
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 15:20:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 15:20:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 15:20:06] [INFO ] Load time of PNML (sax parser for PT used): 73 ms
[2024-06-01 15:20:06] [INFO ] Transformed 9 places.
[2024-06-01 15:20:06] [INFO ] Transformed 8 transitions.
[2024-06-01 15:20:06] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 328 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 53 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 45 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2024-06-01 15:20:07] [INFO ] Computed 4 invariants in 13 ms
[2024-06-01 15:20:07] [INFO ] Implicit Places using invariants in 279 ms returned []
[2024-06-01 15:20:07] [INFO ] Invariant cache hit.
[2024-06-01 15:20:07] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 414 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:20:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 20 constraints, problems are : Problem set: 0 solved, 7 unsolved in 215 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 688ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 708ms
Finished structural reductions in LTL mode , in 1 iterations and 1233 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2024-06-01 15:20:08] [INFO ] Flatten gal took : 26 ms
[2024-06-01 15:20:09] [INFO ] Flatten gal took : 22 ms
[2024-06-01 15:20:09] [INFO ] Input system was already deterministic with 8 transitions.
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 24421 steps (5 resets) in 266 ms. (91 steps per ms) remains 0/12 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' '!((X((!p0&&X(X(F(!p0))))) U ((X((!p0&&X(X(F(!p0)))))&&p1)||X(G(!p0)))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 13 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-06-01 15:20:09] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:20:09] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 15:20:09] [INFO ] Invariant cache hit.
[2024-06-01 15:20:09] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 12 constraints, problems are : Problem set: 0 solved, 6 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 305ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 306ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 388 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 578 ms :[p0, p0, true, p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-00
Entered a terminal (fully accepting) state of product in 132 steps with 23 reset in 7 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-00 finished in 1062 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))&&F(p1))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Applied a total of 1 rules in 7 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2024-06-01 15:20:10] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:10] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-06-01 15:20:10] [INFO ] Invariant cache hit.
[2024-06-01 15:20:10] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:20:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/16 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 11 constraints, problems are : Problem set: 0 solved, 7 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/16 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/16 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 18 constraints, problems are : Problem set: 0 solved, 7 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 353ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 354ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 443 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 300 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-01
Product exploration explored 100000 steps with 792 reset in 659 ms.
Stack based approach found an accepted trace after 26 steps with 3 reset with depth 5 and stack size 5 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-01 finished in 1438 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 (G(p0)||p1))||X(p2)))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2024-06-01 15:20:12] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:20:12] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 15:20:12] [INFO ] Invariant cache hit.
[2024-06-01 15:20:12] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:20:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 20 constraints, problems are : Problem set: 0 solved, 7 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 314ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 315ms
Finished structural reductions in LTL mode , in 1 iterations and 397 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 374 ms :[true, (NOT p2), (AND p0 (NOT p2)), p0, (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), (OR p1 p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 302 ms.
Product exploration explored 100000 steps with 50000 reset in 306 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 (NOT (AND p1 (NOT p2)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 25 ms. Reduced automaton from 7 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-02 finished in 1452 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)||G(F(p1)))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 6 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-06-01 15:20:13] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 15:20:13] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 15:20:13] [INFO ] Invariant cache hit.
[2024-06-01 15:20:13] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2024-06-01 15:20:13] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 12 constraints, problems are : Problem set: 0 solved, 6 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 224ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 225ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 296 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-03
Product exploration explored 100000 steps with 4881 reset in 205 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-03 finished in 601 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
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 7
Applied a total of 2 rules in 19 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:14] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:14] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 15:20:14] [INFO ] Invariant cache hit.
[2024-06-01 15:20:14] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2024-06-01 15:20:14] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/14 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 10 constraints, problems are : Problem set: 0 solved, 6 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/14 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 6 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 266ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 359 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-06
Product exploration explored 100000 steps with 6670 reset in 263 ms.
Stack based approach found an accepted trace after 8 steps with 0 reset with depth 9 and stack size 9 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-06 finished in 755 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(p1)) U p1))'
Support contains 1 out of 9 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Iterating post reduction 2 with 3 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 15 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
// Phase 1: matrix 5 rows 4 cols
[2024-06-01 15:20:15] [INFO ] Computed 2 invariants in 1 ms
[2024-06-01 15:20:15] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 15:20:15] [INFO ] Invariant cache hit.
[2024-06-01 15:20:15] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-06-01 15:20:15] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-06-01 15:20:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 3 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/8 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 119ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 187 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 159 ms :[(NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-07 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' '!(X(F(p0)))'
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:15] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:15] [INFO ] Implicit Places using invariants in 37 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6/9 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 6/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-08
Product exploration explored 100000 steps with 10733 reset in 108 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-08 finished in 276 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U p1))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 4 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:15] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 15:20:15] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 15:20:15] [INFO ] Invariant cache hit.
[2024-06-01 15:20:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 15:20:15] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2024-06-01 15:20:15] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:15] [INFO ] Invariant cache hit.
[2024-06-01 15:20:15] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 6/13 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 1/14 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 6 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 6/13 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/14 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/14 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/14 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 17 constraints, problems are : Problem set: 0 solved, 6 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 256ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 257ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 334 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 101 ms :[true, (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-09
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-09 finished in 455 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 (G(!p0)||(!p0&&G(!p1))))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:16] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:16] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-06-01 15:20:16] [INFO ] Invariant cache hit.
[2024-06-01 15:20:16] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/14 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 10 constraints, problems are : Problem set: 0 solved, 6 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/14 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 6 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 229ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 230ms
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 316 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 242 ms :[true, p0, p0, (AND p0 p1), p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-10
Entered a terminal (fully accepting) state of product in 28 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-10 finished in 583 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(F(!p0))||(X(!p0)&&F((!p1 U (p2||G(!p1))))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-06-01 15:20:16] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:20:16] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-06-01 15:20:16] [INFO ] Invariant cache hit.
[2024-06-01 15:20:16] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 12 constraints, problems are : Problem set: 0 solved, 6 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/15 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 272ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 273ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 349 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 359 ms :[p0, p0, (AND (NOT p2) p0 p1), p0, (AND (NOT p2) p0 p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-11
Product exploration explored 100000 steps with 9382 reset in 233 ms.
Stack based approach found an accepted trace after 408 steps with 28 reset with depth 28 and stack size 22 in 11 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-11 finished in 985 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))&&(G(p0) U G(!p1)))))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2024-06-01 15:20:17] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:20:17] [INFO ] Implicit Places using invariants in 34 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 385 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), true, (AND (NOT p0) (NOT p1)), p1, (AND (NOT p0) (NOT p1)), p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-12
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-12 finished in 457 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 U p1))))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-06-01 15:20:18] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:20:18] [INFO ] Implicit Places using invariants in 31 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 7 transition count 7
Applied a total of 1 rules in 4 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:18] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:18] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 15:20:18] [INFO ] Invariant cache hit.
[2024-06-01 15:20:18] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 101 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-13
Product exploration explored 100000 steps with 10250 reset in 364 ms.
Stack based approach found an accepted trace after 20 steps with 2 reset with depth 7 and stack size 7 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-13 finished in 601 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X((p1 U p2)))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:18] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:18] [INFO ] Implicit Places using invariants in 39 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 6/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15
Product exploration explored 100000 steps with 25046 reset in 95 ms.
Product exploration explored 100000 steps with 24985 reset in 126 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) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT p2)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 326 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 287 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40350 steps (8 resets) in 51 ms. (775 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 475 ms. (84 steps per ms) remains 1/1 properties
// Phase 1: matrix 7 rows 6 cols
[2024-06-01 15:20:20] [INFO ] Computed 2 invariants in 1 ms
Problem apf2 is UNSAT
After SMT solving in domain Real declared 2/13 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 25 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 30ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (F p0), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR (NOT p0) (NOT p2)))), (F p2), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 6 factoid took 674 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
[2024-06-01 15:20:20] [INFO ] Invariant cache hit.
[2024-06-01 15:20:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 15:20:21] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 15:20:21] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 6 ms.
[2024-06-01 15:20:21] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 6 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Applied a total of 0 rules in 2 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2024-06-01 15:20:21] [INFO ] Invariant cache hit.
[2024-06-01 15:20:21] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 15:20:21] [INFO ] Invariant cache hit.
[2024-06-01 15:20:21] [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.
[2024-06-01 15:20:21] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/13 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/13 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 228ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 229ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 310 ms. Remains : 6/6 places, 7/7 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 (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 169 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1032 steps (0 resets) in 4 ms. (206 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 248 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
[2024-06-01 15:20:22] [INFO ] Invariant cache hit.
[2024-06-01 15:20:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 15:20:22] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 15:20:22] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 15:20:22] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 24935 reset in 108 ms.
Product exploration explored 100000 steps with 25075 reset in 119 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Graph (trivial) has 2 edges and 6 vertex of which 2 / 6 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 2 ms. Remains 5 /6 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 5 cols
[2024-06-01 15:20:22] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 15:20:22] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-06-01 15:20:22] [INFO ] Invariant cache hit.
[2024-06-01 15:20:22] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 15:20:22] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2024-06-01 15:20:22] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-06-01 15:20:22] [INFO ] Invariant cache hit.
[2024-06-01 15:20:22] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 1/11 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 5 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 1/11 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 227ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 228ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/6 places, 6/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 304 ms. Remains : 5/6 places, 6/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15 finished in 3998 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X((p1 U p2)))))'
Found a Shortening insensitive property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 3 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-06-01 15:20:23] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:20:23] [INFO ] Implicit Places using invariants in 38 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 6/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 43 ms. Remains : 6/9 places, 7/8 transitions.
Running random walk in product with property : SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15
Product exploration explored 100000 steps with 24938 reset in 94 ms.
Product exploration explored 100000 steps with 24976 reset in 121 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) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT p2)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 242 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 232 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40094 steps (8 resets) in 30 ms. (1293 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
// Phase 1: matrix 7 rows 6 cols
[2024-06-01 15:20:24] [INFO ] Computed 2 invariants in 0 ms
Problem apf2 is UNSAT
After SMT solving in domain Real declared 2/13 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 29ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT p2))), (G (OR p0 (NOT p2)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (F p0), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR (NOT p0) (NOT p2)))), (F p2), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 6 factoid took 420 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
[2024-06-01 15:20:24] [INFO ] Invariant cache hit.
[2024-06-01 15:20:24] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 15:20:24] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 15:20:24] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 15:20:24] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 6 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2024-06-01 15:20:24] [INFO ] Invariant cache hit.
[2024-06-01 15:20:24] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 15:20:24] [INFO ] Invariant cache hit.
[2024-06-01 15:20:24] [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.
[2024-06-01 15:20:24] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:20:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/13 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/13 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 247ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 248ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 318 ms. Remains : 6/6 places, 7/7 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 (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 164 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 201 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1032 steps (0 resets) in 5 ms. (172 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 183 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
[2024-06-01 15:20:25] [INFO ] Invariant cache hit.
[2024-06-01 15:20:25] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 15:20:25] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 15:20:25] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 15:20:25] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25037 reset in 80 ms.
Product exploration explored 100000 steps with 25023 reset in 89 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Graph (trivial) has 2 edges and 6 vertex of which 2 / 6 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 3 ms. Remains 5 /6 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 5 cols
[2024-06-01 15:20:26] [INFO ] Computed 2 invariants in 1 ms
[2024-06-01 15:20:26] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 15:20:26] [INFO ] Invariant cache hit.
[2024-06-01 15:20:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 15:20:26] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2024-06-01 15:20:26] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-06-01 15:20:26] [INFO ] Invariant cache hit.
[2024-06-01 15:20:26] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 1/11 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 5 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 1/11 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 235ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/6 places, 6/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 321 ms. Remains : 5/6 places, 6/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15 finished in 3686 ms.
[2024-06-01 15:20:26] [INFO ] Flatten gal took : 4 ms
[2024-06-01 15:20:26] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-06-01 15:20:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 9 places, 8 transitions and 27 arcs took 5 ms.
Total runtime 19985 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717255226928

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name SmallOperatingSystem-PT-MT0512DC0256-LTLFireability-15
ltl formula formula --ltl=/tmp/1277/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 9 places, 8 transitions and 27 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1277/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1277/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1277/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1277/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 11 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 10, there are 9 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 513
pnml2lts-mc( 0/ 4): unique states count: 513
pnml2lts-mc( 0/ 4): unique transitions count: 512
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 315
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1283
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1028
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1283 states 2051 transitions, fanout: 1.599
pnml2lts-mc( 0/ 4): Total exploration time 0.030 sec (0.030 sec minimum, 0.030 sec on average)
pnml2lts-mc( 0/ 4): States per second: 42767, Transitions per second: 68367
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 40.0 B/state, compr.: 95.3%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 8 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT0512DC0256"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is SmallOperatingSystem-PT-MT0512DC0256, 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 r532-smll-171683811100268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0512DC0256.tgz
mv SmallOperatingSystem-PT-MT0512DC0256 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 ;