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.r540-smll-171690574300404.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is TwoPhaseLocking-PT-nC02000vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r540-smll-171690574300404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 9.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 23 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Apr 13 07:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Apr 13 07:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 13 07:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Apr 13 07:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 4.6K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717273139966

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC02000vD
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 20:19:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 20:19:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 20:19:03] [INFO ] Load time of PNML (sax parser for PT used): 59 ms
[2024-06-01 20:19:03] [INFO ] Transformed 8 places.
[2024-06-01 20:19:03] [INFO ] Transformed 6 transitions.
[2024-06-01 20:19:03] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 290 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 30 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 18 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 20:19:03] [INFO ] Computed 3 invariants in 10 ms
[2024-06-01 20:19:03] [INFO ] Implicit Places using invariants in 275 ms returned []
[2024-06-01 20:19:03] [INFO ] Invariant cache hit.
[2024-06-01 20:19:04] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 410 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-06-01 20:19:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 486ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 511ms
Finished structural reductions in LTL mode , in 1 iterations and 985 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2024-06-01 20:19:04] [INFO ] Flatten gal took : 24 ms
[2024-06-01 20:19:04] [INFO ] Flatten gal took : 6 ms
[2024-06-01 20:19:05] [INFO ] Input system was already deterministic with 6 transitions.
Reduction of identical properties reduced properties to check from 11 to 8
RANDOM walk for 40048 steps (8 resets) in 194 ms. (205 steps per ms) remains 3/8 properties
BEST_FIRST walk for 93 steps (0 resets) in 9 ms. (9 steps per ms) remains 0/3 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(G(p1))) U p0))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-06-01 20:19:05] [INFO ] Invariant cache hit.
[2024-06-01 20:19:05] [INFO ] Implicit Places using invariants in 56 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 63 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 367 ms :[(NOT p0), (NOT p1), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-01
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 3 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-01 finished in 554 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0 U (p1||G(p0))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 24 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2024-06-01 20:19:06] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 20:19:06] [INFO ] Implicit Places using invariants in 39 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 68 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-02
Product exploration explored 100000 steps with 4501 reset in 639 ms.
Stack based approach found an accepted trace after 112 steps with 5 reset with depth 16 and stack size 16 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-02 finished in 835 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(!p0)||(F(p2)&&p1))))'
Support contains 6 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 4 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 20:19:07] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 20:19:07] [INFO ] Implicit Places using invariants in 30 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 104 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-03
Product exploration explored 100000 steps with 5423 reset in 194 ms.
Stack based approach found an accepted trace after 147 steps with 7 reset with depth 13 and stack size 13 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-03 finished in 364 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)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 9 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-06-01 20:19:07] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 20:19:07] [INFO ] Implicit Places using invariants in 28 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 42 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-04
Product exploration explored 100000 steps with 13221 reset in 111 ms.
Product exploration explored 100000 steps with 12064 reset in 272 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 200 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4008 steps (0 resets) in 12 ms. (308 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 228 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0)]
// Phase 1: matrix 4 rows 5 cols
[2024-06-01 20:19:08] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 20:19:08] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 20:19:08] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 20:19:08] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 20:19:08] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 20:19:08] [INFO ] Invariant cache hit.
[2024-06-01 20:19:08] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 20:19:08] [INFO ] Invariant cache hit.
[2024-06-01 20:19:08] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2024-06-01 20:19:08] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-06-01 20:19:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 133ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 229 ms. Remains : 5/5 places, 4/4 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 174 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4008 steps (0 resets) in 8 ms. (445 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 204 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
[2024-06-01 20:19:09] [INFO ] Invariant cache hit.
[2024-06-01 20:19:09] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 20:19:09] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 20:19:09] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 20:19:09] [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 103 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 12857 reset in 169 ms.
Product exploration explored 100000 steps with 11831 reset in 341 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2024-06-01 20:19:10] [INFO ] Invariant cache hit.
[2024-06-01 20:19:10] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 20:19:10] [INFO ] Invariant cache hit.
[2024-06-01 20:19:10] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2024-06-01 20:19:10] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2024-06-01 20:19:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 137ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 209 ms. Remains : 5/5 places, 4/4 transitions.
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-04 finished in 3352 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(F(p0))||(G(F(!p2))&&p1)))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 20:19:10] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 20:19:10] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 20:19:10] [INFO ] Invariant cache hit.
[2024-06-01 20:19:10] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-06-01 20:19:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 224ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 225ms
Finished structural reductions in LTL mode , in 1 iterations and 292 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 396 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (NOT p0), (AND (NOT p0) p2), (AND p2 (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 192 ms.
Stack based approach found an accepted trace after 69 steps with 0 reset with depth 70 and stack size 70 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-05 finished in 917 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(!p0))&&(G((F(p2)&&p1)) U !p3))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-06-01 20:19:11] [INFO ] Invariant cache hit.
[2024-06-01 20:19:11] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-06-01 20:19:11] [INFO ] Invariant cache hit.
[2024-06-01 20:19:11] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-06-01 20:19:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 214ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 216ms
Finished structural reductions in LTL mode , in 1 iterations and 296 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 375 ms :[(OR p0 p3), (OR p3 p0), true, p0, (NOT p2), (OR (NOT p2) (NOT p1)), p3]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-06 finished in 711 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((F(p1)&&p0))||(F(p1)&&X(p2))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-06-01 20:19:12] [INFO ] Invariant cache hit.
[2024-06-01 20:19:12] [INFO ] Implicit Places using invariants in 33 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 227 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-07
Product exploration explored 100000 steps with 10228 reset in 213 ms.
Product exploration explored 100000 steps with 10214 reset in 262 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) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (AND p0 (NOT p1) (NOT p2))), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 309 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 33040 steps (6 resets) in 21 ms. (1501 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (AND p0 (NOT p1) (NOT p2))), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F p1)]
Knowledge based reduction with 7 factoid took 347 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 149 ms :[(NOT p1), (NOT p1), (NOT p1)]
// Phase 1: matrix 6 rows 7 cols
[2024-06-01 20:19:14] [INFO ] Computed 2 invariants in 1 ms
Proved EG (NOT p1)
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (AND p0 (NOT p1) (NOT p2))), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F p1), (G (NOT p1))]
Property proved to be false thanks to negative knowledge :(G (NOT p1))
Knowledge based reduction with 7 factoid took 396 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-07 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-07 finished in 2464 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 13 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2024-06-01 20:19:14] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 20:19:14] [INFO ] Implicit Places using invariants in 38 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 54 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 50 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 68 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-09 finished in 188 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((G(!p1)||X(G(p1))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 20:19:15] [INFO ] Computed 3 invariants in 2 ms
[2024-06-01 20:19:15] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 20:19:15] [INFO ] Invariant cache hit.
[2024-06-01 20:19:15] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2024-06-01 20:19:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 188ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 188ms
Finished structural reductions in LTL mode , in 1 iterations and 249 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 522 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), p1, (AND p1 (NOT p0)), (NOT p0), false, false, false, false, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-10
Entered a terminal (fully accepting) state of product in 12 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-10 finished in 796 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((X(p0)||(p0&&F(p1))))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2024-06-01 20:19:15] [INFO ] Invariant cache hit.
[2024-06-01 20:19:15] [INFO ] Implicit Places using invariants in 37 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-13
Product exploration explored 100000 steps with 10293 reset in 94 ms.
Product exploration explored 100000 steps with 10189 reset in 118 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)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (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 p1)), (X (X (NOT p1)))]
Knowledge based reduction with 5 factoid took 270 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 33041 steps (6 resets) in 30 ms. (1065 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (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 p1)), (X (X (NOT p1))), (F p0)]
Knowledge based reduction with 5 factoid took 295 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 139 ms :[(NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 6 rows 7 cols
[2024-06-01 20:19:17] [INFO ] Computed 2 invariants in 1 ms
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (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 p1)), (X (X (NOT p1))), (F p0), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 5 factoid took 446 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-13 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-13 finished in 1991 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||((X(p1) U ((p2&&X(p1))||X(G(p1)))) U p1)))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2024-06-01 20:19:17] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 20:19:17] [INFO ] Implicit Places using invariants in 36 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC02000vD-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 112 ms.
Product exploration explored 100000 steps with 50000 reset in 133 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) p2), (X p2), (X (AND (NOT p0) p1 p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 29 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC02000vD-LTLFireability-15 finished in 559 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)))'
[2024-06-01 20:19:18] [INFO ] Flatten gal took : 6 ms
[2024-06-01 20:19:18] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-06-01 20:19:18] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 7 ms.
Total runtime 16047 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA TwoPhaseLocking-PT-nC02000vD-LTLFireability-04 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717273159583

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name TwoPhaseLocking-PT-nC02000vD-LTLFireability-04
ltl formula formula --ltl=/tmp/1134/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 8 places, 6 transitions and 18 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1134/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1134/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1134/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1134/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 10 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 9, there are 9 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~1002 levels ~10000 states ~12932 transitions
pnml2lts-mc( 0/ 4): ~1006 levels ~20000 states ~27924 transitions
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~4007!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 10557
pnml2lts-mc( 0/ 4): unique states count: 23475
pnml2lts-mc( 0/ 4): unique transitions count: 49946
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 5798
pnml2lts-mc( 0/ 4): - claim found count: 3002
pnml2lts-mc( 0/ 4): - claim success count: 25823
pnml2lts-mc( 0/ 4): - cum. max stack depth: 13066
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 25823 states 53880 transitions, fanout: 2.087
pnml2lts-mc( 0/ 4): Total exploration time 0.320 sec (0.320 sec minimum, 0.320 sec on average)
pnml2lts-mc( 0/ 4): States per second: 80697, Transitions per second: 168375
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.8MB, 21.0 B/state, compr.: 55.2%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 6 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.8MB (~256.0MB paged-in)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="TwoPhaseLocking-PT-nC02000vD"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is TwoPhaseLocking-PT-nC02000vD, 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 r540-smll-171690574300404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC02000vD.tgz
mv TwoPhaseLocking-PT-nC02000vD 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 ;