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-171683811200316.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is SmallOperatingSystem-PT-MT4096DC2048, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r532-smll-171683811200316
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 9.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K 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 4.6K Apr 23 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 13K Apr 12 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Apr 12 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 12 14:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 12 14:19 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 8.1K 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-MT4096DC2048-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717255873121

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-MT4096DC2048
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 15:31:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 15:31:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 15:31:15] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2024-06-01 15:31:15] [INFO ] Transformed 9 places.
[2024-06-01 15:31:15] [INFO ] Transformed 8 transitions.
[2024-06-01 15:31:15] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 217 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 FALSE 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 14 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 15:31:15] [INFO ] Computed 4 invariants in 4 ms
[2024-06-01 15:31:15] [INFO ] Implicit Places using invariants in 202 ms returned []
[2024-06-01 15:31:15] [INFO ] Invariant cache hit.
[2024-06-01 15:31:15] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:15] [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 189 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 581 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 804ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 829ms
Finished structural reductions in LTL mode , in 1 iterations and 1177 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2024-06-01 15:31:16] [INFO ] Flatten gal took : 19 ms
[2024-06-01 15:31:16] [INFO ] Flatten gal took : 6 ms
[2024-06-01 15:31:16] [INFO ] Input system was already deterministic with 8 transitions.
Reduction of identical properties reduced properties to check from 14 to 11
RANDOM walk for 40991 steps (8 resets) in 218 ms. (187 steps per ms) remains 6/11 properties
BEST_FIRST walk for 224 steps (0 resets) in 19 ms. (11 steps per ms) remains 0/6 properties
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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(X(F((G(p0)||(!p0 U (p1||G(!p0))))))))'
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 11 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 15:31:17] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:31:17] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-06-01 15:31:17] [INFO ] Invariant cache hit.
[2024-06-01 15:31:17] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:17] [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 129 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 118 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 258ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 260ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 345 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 283 ms :[false, false, false]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01
Product exploration explored 100000 steps with 131 reset in 482 ms.
Stack based approach found an accepted trace after 28817 steps with 86 reset with depth 16 and stack size 12 in 88 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 finished in 1299 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(!F((X(p0)||p1))) U 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 0 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 15:31:18] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:31:18] [INFO ] Implicit Places using invariants in 29 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 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 0 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 226 ms :[(NOT p2), (OR (NOT p2) p0 p1), true, p0, (OR (AND p1 (NOT p0)) (AND (NOT p1) p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 finished in 295 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((X(!p1) U (F(!p2)||X(!p3)))&&p0)))'
Support contains 6 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 0 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2024-06-01 15:31:19] [INFO ] Invariant cache hit.
[2024-06-01 15:31:19] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 15:31:19] [INFO ] Invariant cache hit.
[2024-06-01 15:31:19] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:19] [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 116 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 93 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 217ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 218ms
Finished structural reductions in LTL mode , in 1 iterations and 277 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (AND p2 p3)), (AND p2 p3), (OR (AND (NOT p0) p2) (AND p2 p3))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 186 ms.
Product exploration explored 100000 steps with 50000 reset in 196 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 p0 p2 (NOT p3) (NOT p1)), (X p2), (X (NOT (OR (AND p0 p2 p3) (AND p2 (NOT p1) p3)))), (X (NOT p3)), (X (AND p0 p2)), (X p0), (X (NOT (AND (NOT p0) p2 p1 p3))), (X (NOT p1)), (X (X p2)), (X (X (NOT (OR (AND p0 p2 p3) (AND p2 (NOT p1) p3))))), (X (X (NOT p3))), (X (X (AND p0 p2))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 p1 p3)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 16 factoid took 22 ms. Reduced automaton from 3 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 finished in 858 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(F(p0)) U X(p1)) U 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.
[2024-06-01 15:31:19] [INFO ] Invariant cache hit.
[2024-06-01 15:31:19] [INFO ] Implicit Places using invariants in 26 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 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 29 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 220 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 115 ms.
Product exploration explored 100000 steps with 50000 reset in 67 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 p1 (NOT p0)), (X p2), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p0))), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 20 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 finished in 472 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 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 15:31:20] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:31:20] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 15:31:20] [INFO ] Invariant cache hit.
[2024-06-01 15:31:20] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:31:20] [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 82 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 82 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 173ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 174ms
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 236 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 finished in 334 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((!p0&&X(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.
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 0 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 15:31:20] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 15:31:20] [INFO ] Implicit Places using invariants in 23 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 199 ms :[(NOT p1), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07
Product exploration explored 100000 steps with 7819 reset in 88 ms.
Stack based approach found an accepted trace after 24 steps with 2 reset with depth 6 and stack size 6 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07 finished in 328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((!p0||G(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
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 1 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 15:31:21] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 15:31:21] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 15:31:21] [INFO ] Invariant cache hit.
[2024-06-01 15:31:21] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:31:21] [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 92 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 77 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 174ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 174ms
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 236 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 181 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08
Product exploration explored 100000 steps with 11873 reset in 74 ms.
Stack based approach found an accepted trace after 12 steps with 1 reset with depth 10 and stack size 10 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 finished in 508 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(((F(p1) U p2) U p1))||p0))))'
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 0 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 15:31:21] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 15:31:21] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 15:31:21] [INFO ] Invariant cache hit.
[2024-06-01 15:31:21] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:21] [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 104 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 113 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 222ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 223ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 280 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 54 ms.
Product exploration explored 100000 steps with 50000 reset in 49 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 p0 (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2)))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 15 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 finished in 620 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||X((X(p1) U (p0&&X(p1))))) U G(p2)))'
Support contains 4 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 1 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
[2024-06-01 15:31:22] [INFO ] Invariant cache hit.
[2024-06-01 15:31:22] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 15:31:22] [INFO ] Invariant cache hit.
[2024-06-01 15:31:22] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:22] [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 107 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 92 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 208ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 208ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 268 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 224 ms :[(NOT p2), (OR (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2)), (NOT p1), true, (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 finished in 512 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((((p0 U !p1) U X(p2))||G(!p1)))))'
Support contains 5 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.
Applied a total of 0 rules in 3 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 15:31:22] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:31:22] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 15:31:22] [INFO ] Invariant cache hit.
[2024-06-01 15:31:22] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2024-06-01 15:31:22] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:22] [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 108 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 209 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 321ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 322ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 418 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 78 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14
Product exploration explored 100000 steps with 1 reset in 99 ms.
Product exploration explored 100000 steps with 1 reset in 174 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p2), (X p2), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X p1), (X (X p2)), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 8 factoid took 201 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 40988 steps (8 resets) in 57 ms. (706 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 367 ms. (108 steps per ms) remains 1/1 properties
[2024-06-01 15:31:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6144 steps, including 0 resets, run visited all 1 properties in 20 ms. (steps per millisecond=307 )
Parikh walk visited 1 properties in 26 ms.
Knowledge obtained : [(AND p1 p2), (X p2), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X p1), (X (X p2)), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F (NOT (OR p2 p1))), (F (NOT p2)), (F (NOT p1)), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 8 factoid took 282 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Support contains 5 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.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2024-06-01 15:31:24] [INFO ] Invariant cache hit.
[2024-06-01 15:31:24] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 15:31:24] [INFO ] Invariant cache hit.
[2024-06-01 15:31:24] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-06-01 15:31:24] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2024-06-01 15:31:24] [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 99 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 87 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 194ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 194ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 254 ms. Remains : 9/9 places, 8/8 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 p1), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 8 factoid took 153 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 40988 steps (8 resets) in 34 ms. (1171 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
[2024-06-01 15:31:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/17 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 13 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/17 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6144 steps, including 0 resets, run visited all 1 properties in 15 ms. (steps per millisecond=409 )
Parikh walk visited 1 properties in 15 ms.
Knowledge obtained : [(AND p2 p1), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F (NOT (OR p2 p1))), (F (NOT p2)), (F (NOT p1)), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 8 factoid took 296 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 1 reset in 189 ms.
Product exploration explored 100000 steps with 1 reset in 248 ms.
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 1 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 15:31:26] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 15:31:26] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 15:31:26] [INFO ] Invariant cache hit.
[2024-06-01 15:31:26] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2024-06-01 15:31:26] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-06-01 15:31:26] [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 79 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 78 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 161ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 162ms
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 236 ms. Remains : 8/9 places, 7/8 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14 finished in 3626 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)&&(G(!p1) U p2)))'
Support contains 6 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 0 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2024-06-01 15:31:26] [INFO ] Invariant cache hit.
[2024-06-01 15:31:26] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 15:31:26] [INFO ] Invariant cache hit.
[2024-06-01 15:31:26] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-06-01 15:31:26] [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 77 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 73 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 154ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 155ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 198 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) (NOT p2)), true, (NOT p0), p1, (NOT p2)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 finished in 373 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((((p0 U !p1) U X(p2))||G(!p1)))))'
[2024-06-01 15:31:26] [INFO ] Flatten gal took : 3 ms
[2024-06-01 15:31:26] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-01 15:31:26] [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 12075 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717255887434

--------------------
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-MT4096DC2048-LTLFireability-14
ltl formula formula --ltl=/tmp/1043/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( 2/ 4): LTL layer: formula: /tmp/1043/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1043/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1043/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1043/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): There are 10 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 10, there are 33 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4): ~2410 levels ~10000 states ~22860 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~2061!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 119
pnml2lts-mc( 0/ 4): unique states count: 9413
pnml2lts-mc( 0/ 4): unique transitions count: 33916
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 118
pnml2lts-mc( 0/ 4): - claim found count: 4023
pnml2lts-mc( 0/ 4): - claim success count: 9507
pnml2lts-mc( 0/ 4): - cum. max stack depth: 9388
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 9507 states 34106 transitions, fanout: 3.587
pnml2lts-mc( 0/ 4): Total exploration time 0.140 sec (0.140 sec minimum, 0.140 sec on average)
pnml2lts-mc( 0/ 4): States per second: 67907, Transitions per second: 243614
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.6MB, 28.0 B/state, compr.: 66.7%
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: 0.6MB (~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-MT4096DC2048"
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-MT4096DC2048, 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-171683811200316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT4096DC2048.tgz
mv SmallOperatingSystem-PT-MT4096DC2048 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 ;