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.r488-tall-171631131900100.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Dekker-PT-020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631131900100
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Apr 11 20:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 175K Apr 11 20:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 11 20:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Apr 11 20:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 247K May 18 16:42 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 Dekker-PT-020-LTLFireability-00
FORMULA_NAME Dekker-PT-020-LTLFireability-01
FORMULA_NAME Dekker-PT-020-LTLFireability-02
FORMULA_NAME Dekker-PT-020-LTLFireability-03
FORMULA_NAME Dekker-PT-020-LTLFireability-04
FORMULA_NAME Dekker-PT-020-LTLFireability-05
FORMULA_NAME Dekker-PT-020-LTLFireability-06
FORMULA_NAME Dekker-PT-020-LTLFireability-07
FORMULA_NAME Dekker-PT-020-LTLFireability-08
FORMULA_NAME Dekker-PT-020-LTLFireability-09
FORMULA_NAME Dekker-PT-020-LTLFireability-10
FORMULA_NAME Dekker-PT-020-LTLFireability-11
FORMULA_NAME Dekker-PT-020-LTLFireability-12
FORMULA_NAME Dekker-PT-020-LTLFireability-13
FORMULA_NAME Dekker-PT-020-LTLFireability-14
FORMULA_NAME Dekker-PT-020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717184910186

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-020
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 19:48:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 19:48:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 19:48:31] [INFO ] Load time of PNML (sax parser for PT used): 105 ms
[2024-05-31 19:48:31] [INFO ] Transformed 100 places.
[2024-05-31 19:48:31] [INFO ] Transformed 440 transitions.
[2024-05-31 19:48:31] [INFO ] Found NUPN structural information;
[2024-05-31 19:48:31] [INFO ] Parsed PT model containing 100 places and 440 transitions and 3240 arcs in 207 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Support contains 56 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 42 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:31] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 100 cols
[2024-05-31 19:48:31] [INFO ] Computed 60 invariants in 6 ms
[2024-05-31 19:48:32] [INFO ] Implicit Places using invariants in 283 ms returned [40, 43, 46, 49, 52, 55, 58, 61, 67, 70, 73, 79, 82, 85, 88, 91, 94, 97]
Discarding 18 places :
Implicit Place search using SMT only with invariants took 324 ms to find 18 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 82/100 places, 440/440 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 398 ms. Remains : 82/100 places, 440/440 transitions.
Support contains 56 out of 82 places after structural reductions.
[2024-05-31 19:48:32] [INFO ] Flatten gal took : 65 ms
[2024-05-31 19:48:32] [INFO ] Flatten gal took : 33 ms
[2024-05-31 19:48:32] [INFO ] Input system was already deterministic with 440 transitions.
Reduction of identical properties reduced properties to check from 34 to 32
RANDOM walk for 40000 steps (8 resets) in 1242 ms. (32 steps per ms) remains 3/32 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 1/2 properties
BEST_FIRST walk for 84 steps (0 resets) in 4 ms. (16 steps per ms) remains 0/1 properties
FORMULA Dekker-PT-020-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA Dekker-PT-020-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 8 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:33] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 82 cols
[2024-05-31 19:48:33] [INFO ] Computed 42 invariants in 1 ms
[2024-05-31 19:48:33] [INFO ] Implicit Places using invariants in 140 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 143 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 6 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 157 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 276 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Dekker-PT-020-LTLFireability-01
Product exploration explored 100000 steps with 2483 reset in 526 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA Dekker-PT-020-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-01 finished in 1022 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((G(p1)||p0))))'
Support contains 7 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:34] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:34] [INFO ] Invariant cache hit.
[2024-05-31 19:48:34] [INFO ] Implicit Places using invariants in 96 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 108 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 133 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Dekker-PT-020-LTLFireability-02
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 1 ms.
FORMULA Dekker-PT-020-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLFireability-02 finished in 258 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(X(X(G(p0))))) U !(X(!p1) U p1)))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:34] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:34] [INFO ] Invariant cache hit.
[2024-05-31 19:48:34] [INFO ] Implicit Places using invariants in 104 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 105 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 114 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 270 ms :[p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), p0, true, (NOT p1), (AND p0 (NOT p1))]
Running random walk in product with property : Dekker-PT-020-LTLFireability-03
Entered a terminal (fully accepting) state of product in 0 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLFireability-03 finished in 408 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (p1 U X(X((G(p2) U p0))))))'
Support contains 8 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:35] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:35] [INFO ] Invariant cache hit.
[2024-05-31 19:48:35] [INFO ] Implicit Places using invariants in 101 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 102 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 113 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 357 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p2), (NOT p0), (NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLFireability-04 finished in 494 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)||(!p0&&F((G(p0)||G(!p1)||X(!p2)))))))'
Support contains 7 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:35] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:35] [INFO ] Invariant cache hit.
[2024-05-31 19:48:35] [INFO ] Implicit Places using invariants in 117 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 118 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 124 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 121 ms :[p0, false]
Running random walk in product with property : Dekker-PT-020-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 544 ms.
Product exploration explored 100000 steps with 50000 reset in 366 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 p0) p1 p2))), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 (NOT p1) p2))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 31 ms. Reduced automaton from 2 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Dekker-PT-020-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Dekker-PT-020-LTLFireability-05 finished in 1243 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&&F(p1)))))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:36] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:36] [INFO ] Invariant cache hit.
[2024-05-31 19:48:37] [INFO ] Implicit Places using invariants in 93 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 95 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 1 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 98 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Dekker-PT-020-LTLFireability-06
Product exploration explored 100000 steps with 2374 reset in 407 ms.
Stack based approach found an accepted trace after 49 steps with 1 reset with depth 32 and stack size 32 in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-06 finished in 642 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((F(p0)||X(X(G(p1))))))))'
Support contains 23 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:37] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:37] [INFO ] Invariant cache hit.
[2024-05-31 19:48:37] [INFO ] Implicit Places using invariants in 98 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 101 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 1 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 106 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 262 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 399 ms.
Product exploration explored 100000 steps with 0 reset in 531 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 91 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 222 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 422 ms. (94 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
[2024-05-31 19:48:39] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 80 cols
[2024-05-31 19:48:39] [INFO ] Computed 40 invariants in 1 ms
[2024-05-31 19:48:39] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 56/79 variables, 37/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 56/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/80 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 80/160 variables, 80/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 20/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 220 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Int declared 23/160 variables, and 25 constraints, problems are : Problem set: 1 solved, 0 unsolved in 35 ms.
Refiners :[Domain max(s): 23/80 constraints, Positive P Invariants (semi-flows): 2/40 constraints, State Equation: 0/80 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (X p0)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 11 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Dekker-PT-020-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Dekker-PT-020-LTLFireability-07 finished in 2084 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(((X(G((X(!p1)&&F(!p2))))&&p0) U p3))))'
Support contains 11 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:39] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 82 cols
[2024-05-31 19:48:39] [INFO ] Computed 42 invariants in 1 ms
[2024-05-31 19:48:39] [INFO ] Implicit Places using invariants in 95 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 96 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 268 ms :[(NOT p3), (NOT p3), true, (OR p1 p2), (NOT p3), p1, p2]
Running random walk in product with property : Dekker-PT-020-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLFireability-09 finished in 394 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 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 28 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:40] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:40] [INFO ] Invariant cache hit.
[2024-05-31 19:48:40] [INFO ] Implicit Places using invariants in 95 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 97 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 23 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 149 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-10
Product exploration explored 100000 steps with 4172 reset in 395 ms.
Stack based approach found an accepted trace after 100 steps with 5 reset with depth 7 and stack size 7 in 1 ms.
FORMULA Dekker-PT-020-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-10 finished in 609 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 U X(X(p0)))))'
Support contains 20 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:40] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:40] [INFO ] Invariant cache hit.
[2024-05-31 19:48:40] [INFO ] Implicit Places using invariants in 98 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 103 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 110 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : Dekker-PT-020-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLFireability-11 finished in 277 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 3 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 16 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:40] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:40] [INFO ] Invariant cache hit.
[2024-05-31 19:48:41] [INFO ] Implicit Places using invariants in 99 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 100 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 10 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 127 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-12
Product exploration explored 100000 steps with 2438 reset in 418 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-12 finished in 598 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((X(p1)&&p0))&&F(G(p2)))))'
Support contains 5 out of 82 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:41] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:41] [INFO ] Invariant cache hit.
[2024-05-31 19:48:41] [INFO ] Implicit Places using invariants in 106 ms returned [56]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 108 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 81/82 places, 440/440 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 111 ms. Remains : 81/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 409 ms.
Stack based approach found an accepted trace after 24 steps with 0 reset with depth 25 and stack size 25 in 1 ms.
FORMULA Dekker-PT-020-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-13 finished in 689 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&&(p1||F(p2))))))'
Support contains 26 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 17 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:42] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:42] [INFO ] Invariant cache hit.
[2024-05-31 19:48:42] [INFO ] Implicit Places using invariants in 98 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 106 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 14 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 138 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 79 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : Dekker-PT-020-LTLFireability-14
Product exploration explored 100000 steps with 1670 reset in 433 ms.
Stack based approach found an accepted trace after 80 steps with 1 reset with depth 53 and stack size 50 in 1 ms.
FORMULA Dekker-PT-020-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-14 finished in 672 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 6 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 440/440 transitions.
Applied a total of 0 rules in 12 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2024-05-31 19:48:42] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2024-05-31 19:48:42] [INFO ] Invariant cache hit.
[2024-05-31 19:48:43] [INFO ] Implicit Places using invariants in 94 ms returned [56, 65]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 95 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/82 places, 440/440 transitions.
Applied a total of 0 rules in 9 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 116 ms. Remains : 80/82 places, 440/440 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : Dekker-PT-020-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 452 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 10 in 0 ms.
FORMULA Dekker-PT-020-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLFireability-15 finished in 667 ms.
All properties solved by simple procedures.
Total runtime 12194 ms.
ITS solved all properties within timeout

BK_STOP 1717184923594

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="Dekker-PT-020"
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 Dekker-PT-020, 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 r488-tall-171631131900100"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-020.tgz
mv Dekker-PT-020 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 ;