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.r377-smll-171683810000244.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 greatspnxred
Input is SmallOperatingSystem-PT-MT0256DC0064, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r377-smll-171683810000244
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 8.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K 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 4.1K Apr 23 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K 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 7.6K Apr 12 14:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 55K Apr 12 14:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 14:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 12 14:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K 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-MT0256DC0064-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716950157273

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SmallOperatingSystem-PT-MT0256DC0064
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 02:35:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 02:35:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 02:35:59] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2024-05-29 02:35:59] [INFO ] Transformed 9 places.
[2024-05-29 02:35:59] [INFO ] Transformed 8 transitions.
[2024-05-29 02:35:59] [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 101 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-14 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
[2024-05-29 02:35:59] [INFO ] Computed 4 invariants in 5 ms
[2024-05-29 02:35:59] [INFO ] Implicit Places using invariants in 201 ms returned []
[2024-05-29 02:35:59] [INFO ] Invariant cache hit.
[2024-05-29 02:36:00] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-05-29 02:36:00] [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 194 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 146 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 373ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 400ms
Finished structural reductions in LTL mode , in 1 iterations and 765 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2024-05-29 02:36:00] [INFO ] Flatten gal took : 20 ms
[2024-05-29 02:36:00] [INFO ] Flatten gal took : 6 ms
[2024-05-29 02:36:00] [INFO ] Input system was already deterministic with 8 transitions.
RANDOM walk for 7741 steps (0 resets) in 80 ms. (95 steps per ms) remains 0/15 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(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 16 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-05-29 02:36:01] [INFO ] Computed 3 invariants in 0 ms
[2024-05-29 02:36:01] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-29 02:36:01] [INFO ] Invariant cache hit.
[2024-05-29 02:36:01] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:01] [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 141 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 274ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 275ms
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 386 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 306 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-00
Product exploration explored 100000 steps with 6947 reset in 372 ms.
Stack based approach found an accepted trace after 17 steps with 7 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-00 finished in 1163 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 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
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 9 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
[2024-05-29 02:36:02] [INFO ] Invariant cache hit.
[2024-05-29 02:36:02] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-29 02:36:02] [INFO ] Invariant cache hit.
[2024-05-29 02:36:02] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2024-05-29 02:36:02] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:02] [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 94 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 100 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 204ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 205ms
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 293 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-01
Product exploration explored 100000 steps with 25054 reset in 177 ms.
Product exploration explored 100000 steps with 25013 reset in 162 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 : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 142 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
RANDOM walk for 264 steps (0 resets) in 6 ms. (37 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 147 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2024-05-29 02:36:03] [INFO ] Invariant cache hit.
[2024-05-29 02:36:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-29 02:36:03] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-29 02:36:03] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-29 02:36:03] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2024-05-29 02:36:03] [INFO ] Invariant cache hit.
[2024-05-29 02:36:03] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-29 02:36:03] [INFO ] Invariant cache hit.
[2024-05-29 02:36:03] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2024-05-29 02:36:03] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:03] [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 87 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 84 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 178ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 180ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 248 ms. Remains : 7/7 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 130 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
RANDOM walk for 264 steps (0 resets) in 6 ms. (37 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 153 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
[2024-05-29 02:36:04] [INFO ] Invariant cache hit.
[2024-05-29 02:36:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-29 02:36:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-29 02:36:04] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-29 02:36:04] [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 37 ms :[(NOT p0)]
Product exploration explored 100000 steps with 24913 reset in 221 ms.
Product exploration explored 100000 steps with 25033 reset in 150 ms.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2024-05-29 02:36:04] [INFO ] Invariant cache hit.
[2024-05-29 02:36:04] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-29 02:36:04] [INFO ] Invariant cache hit.
[2024-05-29 02:36:04] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2024-05-29 02:36:04] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:04] [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 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]
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 94 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 214ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 215ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 293 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-01 finished in 2659 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||(p1 U X(G(p2)))))))'
Support contains 4 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.
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
[2024-05-29 02:36:05] [INFO ] Computed 4 invariants in 1 ms
[2024-05-29 02:36:05] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-29 02:36:05] [INFO ] Invariant cache hit.
[2024-05-29 02:36:05] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2024-05-29 02:36:05] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:05] [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 93 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 89 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 189ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 190ms
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 253 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-02
Product exploration explored 100000 steps with 7780 reset in 166 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-02 finished in 594 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)&&F(G(p1)))))'
Support contains 2 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
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 6 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 5 transition count 7
Applied a total of 5 rules in 10 ms. Remains 5 /9 variables (removed 4) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 5 cols
[2024-05-29 02:36:05] [INFO ] Computed 2 invariants in 1 ms
[2024-05-29 02:36:05] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-29 02:36:05] [INFO ] Invariant cache hit.
[2024-05-29 02:36:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-29 02:36:05] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2024-05-29 02:36:05] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:05] [INFO ] Invariant cache hit.
[2024-05-29 02:36:05] [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, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 6/11 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/11 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 1/12 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/12 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/12 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 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) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 6/11 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/11 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/12 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 194ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 194ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 269 ms. Remains : 5/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-03
Stuttering criterion allowed to conclude after 7 steps with 1 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-03 finished in 399 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((p1 U p2))))'
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.
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
[2024-05-29 02:36:06] [INFO ] Computed 4 invariants in 0 ms
[2024-05-29 02:36:06] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-29 02:36:06] [INFO ] Invariant cache hit.
[2024-05-29 02:36:06] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-05-29 02:36:06] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2024-05-29 02:36:06] [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 109 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 91 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 206ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 208ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 268 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p2), true, (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-04
Product exploration explored 100000 steps with 11 reset in 199 ms.
Product exploration explored 100000 steps with 8 reset in 234 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 (NOT p2) p1))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (OR (AND p2 p0) (AND p1 p0)))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0)))), (X (OR p2 p1)), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT p0)), (X p1), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (OR (AND p2 p0) (AND p1 p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0))))), (X (X (OR p2 p1))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 24 factoid took 226 ms. Reduced automaton from 5 states, 16 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p2), true, (NOT p2)]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 3375 steps (0 resets) in 8 ms. (375 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (OR (AND p2 p0) (AND p1 p0)))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0)))), (X (OR p2 p1)), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT p0)), (X p1), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (OR (AND p2 p0) (AND p1 p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (OR (AND p2 (NOT p0)) (AND p1 (NOT p0))))), (X (X (OR p2 p1))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F (NOT (OR p2 p1))), (F p1), (F (NOT p2)), (F (NOT (OR p2 p1))), (F (NOT (OR p2 (NOT p1))))]
Property proved to be false thanks to negative knowledge :(F (NOT (OR p2 p1)))
Knowledge based reduction with 24 factoid took 262 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-04 FALSE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-04 finished in 1494 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(!p1)))'
Support contains 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
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 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-05-29 02:36:07] [INFO ] Computed 3 invariants in 0 ms
[2024-05-29 02:36:07] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-29 02:36:07] [INFO ] Invariant cache hit.
[2024-05-29 02:36:07] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2024-05-29 02:36:07] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:07] [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 111 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 108 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 225ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 226ms
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 318 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (AND (NOT p0) p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-05
Product exploration explored 100000 steps with 7896 reset in 75 ms.
Stack based approach found an accepted trace after 34 steps with 3 reset with depth 8 and stack size 8 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-05 finished in 486 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(X((p0||F(G(p1))))))))'
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
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
[2024-05-29 02:36:08] [INFO ] Computed 3 invariants in 0 ms
[2024-05-29 02:36:08] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-29 02:36:08] [INFO ] Invariant cache hit.
[2024-05-29 02:36:08] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Running 7 sub problems to find dead transitions.
[2024-05-29 02:36:08] [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 91 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 110 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 214ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 214ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 276 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 223 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 91 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-06 finished in 606 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(p0)||F(p1)))'
Support contains 2 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 10 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2024-05-29 02:36:08] [INFO ] Computed 3 invariants in 1 ms
[2024-05-29 02:36:08] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-29 02:36:08] [INFO ] Invariant cache hit.
[2024-05-29 02:36:08] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2024-05-29 02:36:08] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:08] [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 100 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 97 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 205ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 205ms
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 296 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 50 ms.
Product exploration explored 100000 steps with 50000 reset in 56 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 p1) (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 14 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-07 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(!p0)||X(X(G((!p0&&X(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.
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
[2024-05-29 02:36:09] [INFO ] Computed 4 invariants in 5 ms
[2024-05-29 02:36:09] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-29 02:36:09] [INFO ] Invariant cache hit.
[2024-05-29 02:36:09] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:09] [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 82 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 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]
After SMT, in 161ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 161ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 226 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 261 ms :[true, (OR p1 p0), p0, (OR p1 p0), (OR p1 p0), p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-08
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-08 finished in 505 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&F(G(!p1)))))'
Support contains 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
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
[2024-05-29 02:36:09] [INFO ] Computed 3 invariants in 0 ms
[2024-05-29 02:36:09] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-29 02:36:09] [INFO ] Invariant cache hit.
[2024-05-29 02:36:09] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:09] [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 94 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 90 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 191ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 255 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), true, p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 92 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-09 finished in 499 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&&G(p1)) U X((F(G(p0)) 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.
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
[2024-05-29 02:36:10] [INFO ] Computed 4 invariants in 0 ms
[2024-05-29 02:36:10] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-29 02:36:10] [INFO ] Invariant cache hit.
[2024-05-29 02:36:10] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:10] [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 89 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 83 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 176ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 176ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 244 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 241 ms :[p2, p2, (AND (NOT p1) p2), p2, (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 68 ms.
Product exploration explored 100000 steps with 50000 reset in 81 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 p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 p1 p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT (OR (AND (NOT p0) p2) (AND (NOT p1) p2)))), (X (NOT (AND p1 p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (OR (AND (NOT p0) p2) (AND (NOT p1) p2))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 17 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-10 finished in 677 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||G(p1)) U p2))'
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
Applied a total of 0 rules in 1 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2024-05-29 02:36:10] [INFO ] Computed 3 invariants in 0 ms
[2024-05-29 02:36:10] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-29 02:36:10] [INFO ] Invariant cache hit.
[2024-05-29 02:36:10] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2024-05-29 02:36:10] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2024-05-29 02:36:10] [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 102 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 83 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 191ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 255 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p2), true, (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-12
Entered a terminal (fully accepting) state of product in 36 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-12 finished in 362 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 7 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
[2024-05-29 02:36:11] [INFO ] Computed 4 invariants in 1 ms
[2024-05-29 02:36:11] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-29 02:36:11] [INFO ] Invariant cache hit.
[2024-05-29 02:36:11] [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.
Running 7 sub problems to find dead transitions.
[2024-05-29 02:36:11] [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 135 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 102 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 243ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 244ms
Finished structural reductions in LTL mode , in 1 iterations and 293 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 41 ms.
Product exploration explored 100000 steps with 50000 reset in 65 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 : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 12 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-13 finished in 499 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 3 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 1 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2024-05-29 02:36:11] [INFO ] Computed 4 invariants in 0 ms
[2024-05-29 02:36:11] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-29 02:36:11] [INFO ] Invariant cache hit.
[2024-05-29 02:36:11] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Running 6 sub problems to find dead transitions.
[2024-05-29 02:36:11] [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 86 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 85 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 176ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 177ms
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 230 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 90 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-15
Entered a terminal (fully accepting) state of product in 623 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-15 finished in 333 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))'
[2024-05-29 02:36:12] [INFO ] Flatten gal took : 8 ms
[2024-05-29 02:36:12] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-29 02:36:12] [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 13248 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SmallOperatingSystem-PT-MT0256DC0064

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 9
TRANSITIONS: 8
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


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

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

Process ID: 1147
MODEL NAME: /home/mcc/execution/413/model
9 places, 8 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA SmallOperatingSystem-PT-MT0256DC0064-LTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716950176435

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT0256DC0064"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SmallOperatingSystem-PT-MT0256DC0064, 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 r377-smll-171683810000244"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0256DC0064.tgz
mv SmallOperatingSystem-PT-MT0256DC0064 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 ;