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.r492-smll-171636266100084.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 Echo-PT-d02r11, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r492-smll-171636266100084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K 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 5.9K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 04:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Apr 12 04:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 12 04:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Apr 12 04:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 469K 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 Echo-PT-d02r11-LTLFireability-00
FORMULA_NAME Echo-PT-d02r11-LTLFireability-01
FORMULA_NAME Echo-PT-d02r11-LTLFireability-02
FORMULA_NAME Echo-PT-d02r11-LTLFireability-03
FORMULA_NAME Echo-PT-d02r11-LTLFireability-04
FORMULA_NAME Echo-PT-d02r11-LTLFireability-05
FORMULA_NAME Echo-PT-d02r11-LTLFireability-06
FORMULA_NAME Echo-PT-d02r11-LTLFireability-07
FORMULA_NAME Echo-PT-d02r11-LTLFireability-08
FORMULA_NAME Echo-PT-d02r11-LTLFireability-09
FORMULA_NAME Echo-PT-d02r11-LTLFireability-10
FORMULA_NAME Echo-PT-d02r11-LTLFireability-11
FORMULA_NAME Echo-PT-d02r11-LTLFireability-12
FORMULA_NAME Echo-PT-d02r11-LTLFireability-13
FORMULA_NAME Echo-PT-d02r11-LTLFireability-14
FORMULA_NAME Echo-PT-d02r11-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717196107868

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d02r11
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 22:55:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 22:55:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 22:55:10] [INFO ] Load time of PNML (sax parser for PT used): 413 ms
[2024-05-31 22:55:10] [INFO ] Transformed 1119 places.
[2024-05-31 22:55:10] [INFO ] Transformed 874 transitions.
[2024-05-31 22:55:10] [INFO ] Found NUPN structural information;
[2024-05-31 22:55:11] [INFO ] Parsed PT model containing 1119 places and 874 transitions and 4996 arcs in 682 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Echo-PT-d02r11-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 106 out of 1119 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1119/1119 places, 874/874 transitions.
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 998 transition count 874
Applied a total of 121 rules in 172 ms. Remains 998 /1119 variables (removed 121) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 22:55:12] [INFO ] Computed 440 invariants in 450 ms
[2024-05-31 22:55:34] [INFO ] Implicit Places using invariants in 22684 ms returned []
[2024-05-31 22:55:34] [INFO ] Invariant cache hit.
[2024-05-31 22:56:01] [INFO ] Implicit Places using invariants and state equation in 26642 ms returned []
Implicit Place search using SMT with State Equation took 49380 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 22:56:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30070 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s835 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30036 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60811ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60858ms
Starting structural reductions in LTL mode, iteration 1 : 998/1119 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 110470 ms. Remains : 998/1119 places, 874/874 transitions.
Support contains 106 out of 998 places after structural reductions.
[2024-05-31 22:57:02] [INFO ] Flatten gal took : 242 ms
[2024-05-31 22:57:02] [INFO ] Flatten gal took : 114 ms
[2024-05-31 22:57:02] [INFO ] Input system was already deterministic with 874 transitions.
Reduction of identical properties reduced properties to check from 37 to 36
RANDOM walk for 40000 steps (164 resets) in 2949 ms. (13 steps per ms) remains 1/36 properties
BEST_FIRST walk for 28593 steps (5 resets) in 385 ms. (74 steps per ms) remains 0/1 properties
FORMULA Echo-PT-d02r11-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))||(p1 U p2)))'
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 54 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 22:57:04] [INFO ] Invariant cache hit.
[2024-05-31 22:57:42] [INFO ] Performed 512/998 implicitness test of which 0 returned IMPLICIT in 36 seconds.
[2024-05-31 22:57:59] [INFO ] Implicit Places using invariants in 54724 ms returned []
[2024-05-31 22:57:59] [INFO ] Invariant cache hit.
[2024-05-31 22:58:27] [INFO ] Implicit Places using invariants and state equation in 28677 ms returned []
Implicit Place search using SMT with State Equation took 83404 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 22:58:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30024 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30031 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60526ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60542ms
Finished structural reductions in LTL mode , in 1 iterations and 144006 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 521 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-00
Stuttering criterion allowed to conclude after 242 steps with 0 reset in 14 ms.
FORMULA Echo-PT-d02r11-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-00 finished in 144640 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)) U (p1||X(X(p2)))))'
Support contains 10 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 70 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 22:59:29] [INFO ] Invariant cache hit.
[2024-05-31 23:00:04] [INFO ] Performed 292/998 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2024-05-31 23:00:07] [INFO ] Implicit Places using invariants in 38655 ms returned []
[2024-05-31 23:00:07] [INFO ] Invariant cache hit.
[2024-05-31 23:00:38] [INFO ] Implicit Places using invariants and state equation in 31168 ms returned []
Implicit Place search using SMT with State Equation took 69826 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:00:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30021 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30031 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60441ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60452ms
Finished structural reductions in LTL mode , in 1 iterations and 130350 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 358 ms :[(AND (NOT p1) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-01
Stuttering criterion allowed to conclude after 440 steps with 1 reset in 19 ms.
FORMULA Echo-PT-d02r11-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-01 finished in 130763 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(X(F((!(p0 U p1)||!(p2 U p0)))))))'
Support contains 10 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.18 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 133 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-31 23:01:40] [INFO ] Computed 436 invariants in 563 ms
[2024-05-31 23:01:47] [INFO ] Implicit Places using invariants in 7281 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 7285 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 58 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 7476 ms. Remains : 988/998 places, 872/874 transitions.
Stuttering acceptance computed with spot in 85 ms :[(AND p0 p1), (AND p0 p1)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-02
Product exploration explored 100000 steps with 429 reset in 1306 ms.
Product exploration explored 100000 steps with 428 reset in 1182 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 16 factoid took 31 ms. Reduced automaton from 2 states, 5 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-02 finished in 10797 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((F(p0)&&X(X(G(((p2 U p3)&&p1))))))))'
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 25 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 23:01:51] [INFO ] Computed 440 invariants in 395 ms
[2024-05-31 23:02:27] [INFO ] Performed 414/998 implicitness test of which 0 returned IMPLICIT in 35 seconds.
[2024-05-31 23:02:29] [INFO ] Implicit Places using invariants in 39178 ms returned []
[2024-05-31 23:02:29] [INFO ] Invariant cache hit.
[2024-05-31 23:02:59] [INFO ] Implicit Places using invariants and state equation in 29337 ms returned []
Implicit Place search using SMT with State Equation took 68530 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:02:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30031 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30030 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60457ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60470ms
Finished structural reductions in LTL mode , in 1 iterations and 129033 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 556 ms :[(OR (NOT p0) (NOT p1) (NOT p3)), (OR (NOT p0) (NOT p3) (NOT p1)), (NOT p0), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (NOT p3) (NOT p1)), (AND (NOT p0) (NOT p3) (NOT p2)), (NOT p3)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-03
Stuttering criterion allowed to conclude after 471 steps with 2 reset in 9 ms.
FORMULA Echo-PT-d02r11-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-03 finished in 129640 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(X(G(p1)))))'
Support contains 7 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 39 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 23:04:00] [INFO ] Invariant cache hit.
[2024-05-31 23:04:07] [INFO ] Implicit Places using invariants in 6969 ms returned []
[2024-05-31 23:04:07] [INFO ] Invariant cache hit.
[2024-05-31 23:04:35] [INFO ] Implicit Places using invariants and state equation in 28411 ms returned []
Implicit Place search using SMT with State Equation took 35385 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:04:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30023 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30036 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60439ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60450ms
Finished structural reductions in LTL mode , in 1 iterations and 95879 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 339 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-04
Entered a terminal (fully accepting) state of product in 152 steps with 0 reset in 3 ms.
FORMULA Echo-PT-d02r11-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-04 finished in 96250 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 4 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.10 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 85 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-31 23:05:37] [INFO ] Computed 436 invariants in 539 ms
[2024-05-31 23:07:23] [INFO ] Performed 379/992 implicitness test of which 1 returned IMPLICIT in 105 seconds.
[2024-05-31 23:07:42] [INFO ] Implicit Places using invariants in 125962 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 125965 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 54 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 126105 ms. Remains : 988/998 places, 872/874 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-05
Product exploration explored 100000 steps with 421 reset in 1145 ms.
Product exploration explored 100000 steps with 423 reset in 1033 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 14 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-05 finished in 128920 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 9 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.5 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 51 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
[2024-05-31 23:07:45] [INFO ] Invariant cache hit.
[2024-05-31 23:07:51] [INFO ] Implicit Places using invariants in 6488 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 6490 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 49 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 6591 ms. Remains : 988/998 places, 872/874 transitions.
Stuttering acceptance computed with spot in 46 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-06
Product exploration explored 100000 steps with 414 reset in 1413 ms.
Product exploration explored 100000 steps with 414 reset in 1080 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 48 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-06 finished in 9673 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(p0)||G(!p1))) U X(p2)))'
Support contains 8 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 32 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 23:07:55] [INFO ] Computed 440 invariants in 413 ms
[2024-05-31 23:08:31] [INFO ] Performed 380/998 implicitness test of which 0 returned IMPLICIT in 35 seconds.
[2024-05-31 23:08:35] [INFO ] Implicit Places using invariants in 40200 ms returned []
[2024-05-31 23:08:35] [INFO ] Invariant cache hit.
[2024-05-31 23:09:03] [INFO ] Implicit Places using invariants and state equation in 28228 ms returned []
Implicit Place search using SMT with State Equation took 68430 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:09:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30028 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30036 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60398ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60410ms
Finished structural reductions in LTL mode , in 1 iterations and 128882 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 448 ms :[(NOT p2), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), true, (AND p1 p0), (NOT p0), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1411 steps with 326 reset in 14 ms.
FORMULA Echo-PT-d02r11-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-07 finished in 129380 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||X(X((G(p2)&&p1))))) U !p3))))'
Support contains 8 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 32 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 23:10:04] [INFO ] Invariant cache hit.
[2024-05-31 23:10:12] [INFO ] Implicit Places using invariants in 7654 ms returned []
[2024-05-31 23:10:12] [INFO ] Invariant cache hit.
[2024-05-31 23:10:41] [INFO ] Implicit Places using invariants and state equation in 29148 ms returned []
Implicit Place search using SMT with State Equation took 36810 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:10:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30051 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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(s934 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30036 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60577ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60601ms
Finished structural reductions in LTL mode , in 1 iterations and 97446 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 471 ms :[p3, p3, p3, (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 844 ms.
Product exploration explored 100000 steps with 33333 reset in 874 ms.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p1) (NOT p2)), (X (X (NOT p3))), (X (X (NOT (AND p3 (NOT p0))))), (X (X (NOT p0))), (F (G (NOT p3))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 90 ms. Reduced automaton from 8 states, 13 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-08 finished in 100272 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 2 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 34 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-31 23:11:45] [INFO ] Computed 436 invariants in 405 ms
[2024-05-31 23:12:08] [INFO ] Implicit Places using invariants in 23516 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 23518 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 33 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 23586 ms. Remains : 988/998 places, 872/874 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-09
Product exploration explored 100000 steps with 454 reset in 1172 ms.
Product exploration explored 100000 steps with 452 reset in 1355 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 21 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-09 finished in 26905 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(!p1)) U (G((!p0||X(!p1)))||((!p0||X(!p1))&&(X(F(p2))||G(p3))))))'
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 26 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 23:12:12] [INFO ] Computed 440 invariants in 375 ms
[2024-05-31 23:12:18] [INFO ] Implicit Places using invariants in 7148 ms returned []
[2024-05-31 23:12:18] [INFO ] Invariant cache hit.
[2024-05-31 23:12:49] [INFO ] Implicit Places using invariants and state equation in 30691 ms returned []
Implicit Place search using SMT with State Equation took 37842 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:12:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30021 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30027 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60356ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60366ms
Finished structural reductions in LTL mode , in 1 iterations and 98236 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 432 ms :[(AND p0 p1), p1, (AND p0 p1 (NOT p2)), (AND (NOT p3) (NOT p2) p0 p1), true, (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-10
Product exploration explored 100000 steps with 1747 reset in 1198 ms.
Product exploration explored 100000 steps with 1663 reset in 1244 ms.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p3) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p3 p0 (NOT p2)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND p3 (NOT p2)))), (X (NOT (AND (NOT p3) p0 (NOT p2)))), (X (AND (NOT p3) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p3 p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT (AND (NOT p3) p0 (NOT p2))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p3))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 26 factoid took 282 ms. Reduced automaton from 9 states, 18 edges and 4 AP (stutter sensitive) to 7 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 391 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
RANDOM walk for 40000 steps (164 resets) in 1260 ms. (31 steps per ms) remains 1/12 properties
BEST_FIRST walk for 29862 steps (5 resets) in 409 ms. (72 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p3) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p3 p0 (NOT p2)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND p3 (NOT p2)))), (X (NOT (AND (NOT p3) p0 (NOT p2)))), (X (AND (NOT p3) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p3 p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT (AND (NOT p3) p0 (NOT p2))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p3))), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR p2 (NOT p3) (NOT p1)))), (F (NOT (OR (NOT p0) p2 p3))), (F p0), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p2 (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR p2 p3 (NOT p1)))), (F p2), (F p3), (F (NOT (OR (NOT p0) p2 (NOT p3)))), (F p1), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 26 factoid took 882 ms. Reduced automaton from 7 states, 14 edges and 4 AP (stutter sensitive) to 7 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 327 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 357 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 29 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 23:13:56] [INFO ] Invariant cache hit.
[2024-05-31 23:14:18] [INFO ] Implicit Places using invariants in 22213 ms returned []
[2024-05-31 23:14:18] [INFO ] Invariant cache hit.
[2024-05-31 23:14:47] [INFO ] Implicit Places using invariants and state equation in 29139 ms returned []
Implicit Place search using SMT with State Equation took 51353 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:14:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30031 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30027 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60442ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60452ms
Finished structural reductions in LTL mode , in 1 iterations and 111836 ms. Remains : 998/998 places, 874/874 transitions.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p2) p3))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p2) (NOT p3))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p3))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 227 ms. Reduced automaton from 7 states, 14 edges and 4 AP (stutter sensitive) to 7 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 356 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
RANDOM walk for 40000 steps (164 resets) in 696 ms. (57 steps per ms) remains 1/12 properties
BEST_FIRST walk for 36173 steps (7 resets) in 450 ms. (80 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p2) p3))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p2) (NOT p3))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p3))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR p2 (NOT p3) (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p0), (F (NOT (OR p2 p3 (NOT p0)))), (F (NOT (OR p2 (NOT p3)))), (F (NOT (OR p2 p3 (NOT p1)))), (F (NOT (OR p2 (NOT p3) (NOT p0)))), (F p2), (F p3), (F (NOT (OR p2 (NOT p0)))), (F p1), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 21 factoid took 764 ms. Reduced automaton from 7 states, 14 edges and 4 AP (stutter sensitive) to 7 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 355 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 357 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 361 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Product exploration explored 100000 steps with 1648 reset in 1475 ms.
Product exploration explored 100000 steps with 1714 reset in 1085 ms.
Applying partial POR strategy [false, false, false, true, true, true, true]
Stuttering acceptance computed with spot in 335 ms :[(AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2)), (AND (NOT p2) (NOT p3) p0 p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1), (NOT p2), (AND (NOT p2) (NOT p3))]
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.6 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 129 ms. Remains 993 /998 variables (removed 5) and now considering 873/874 (removed 1) transitions.
[2024-05-31 23:15:55] [INFO ] Redundant transitions in 99 ms returned []
Running 872 sub problems to find dead transitions.
// Phase 1: matrix 873 rows 993 cols
[2024-05-31 23:15:55] [INFO ] Computed 436 invariants in 527 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/992 variables, 992/992 constraints. Problems are: Problem set: 0 solved, 872 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/992 variables, 432/1424 constraints. Problems are: Problem set: 0 solved, 872 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 992/1866 variables, and 1424 constraints, problems are : Problem set: 0 solved, 872 unsolved in 30027 ms.
Refiners :[Domain max(s): 992/993 constraints, Generalized P Invariants (flows): 432/436 constraints, State Equation: 0/993 constraints, PredecessorRefiner: 872/872 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 872 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/992 variables, 992/992 constraints. Problems are: Problem set: 0 solved, 872 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/992 variables, 432/1424 constraints. Problems are: Problem set: 0 solved, 872 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 992/1866 variables, and 1424 constraints, problems are : Problem set: 0 solved, 872 unsolved in 30031 ms.
Refiners :[Domain max(s): 992/993 constraints, Generalized P Invariants (flows): 432/436 constraints, State Equation: 0/993 constraints, PredecessorRefiner: 0/872 constraints, Known Traps: 0/0 constraints]
After SMT, in 61114ms problems are : Problem set: 0 solved, 872 unsolved
Search for dead transitions found 0 dead transitions in 61130ms
Starting structural reductions in SI_LTL mode, iteration 1 : 993/998 places, 873/874 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61370 ms. Remains : 993/998 places, 873/874 transitions.
Support contains 11 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 34 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 23:16:56] [INFO ] Computed 440 invariants in 431 ms
[2024-05-31 23:17:02] [INFO ] Implicit Places using invariants in 6716 ms returned []
[2024-05-31 23:17:02] [INFO ] Invariant cache hit.
[2024-05-31 23:17:33] [INFO ] Implicit Places using invariants and state equation in 30142 ms returned []
Implicit Place search using SMT with State Equation took 36861 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:17:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30018 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30029 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60371ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60381ms
Finished structural reductions in LTL mode , in 1 iterations and 97278 ms. Remains : 998/998 places, 874/874 transitions.
Treatment of property Echo-PT-d02r11-LTLFireability-10 finished in 382150 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(G(((p1&&G(p2))||p0))))))'
Support contains 6 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 33 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-31 23:18:33] [INFO ] Invariant cache hit.
[2024-05-31 23:18:39] [INFO ] Implicit Places using invariants in 6109 ms returned []
[2024-05-31 23:18:39] [INFO ] Invariant cache hit.
[2024-05-31 23:19:08] [INFO ] Implicit Places using invariants and state equation in 28496 ms returned []
Implicit Place search using SMT with State Equation took 34624 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:19:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30020 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30032 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60349ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60365ms
Finished structural reductions in LTL mode , in 1 iterations and 95025 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 310 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1758 steps with 7 reset in 28 ms.
FORMULA Echo-PT-d02r11-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-12 finished in 95401 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 8 out of 998 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.3 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 58 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-31 23:20:09] [INFO ] Computed 436 invariants in 345 ms
[2024-05-31 23:20:14] [INFO ] Implicit Places using invariants in 5446 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 5448 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 29 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5538 ms. Remains : 988/998 places, 872/874 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-13
Stuttering criterion allowed to conclude after 474 steps with 1 reset in 5 ms.
FORMULA Echo-PT-d02r11-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLFireability-13 finished in 5626 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((F((G(p1)||p0))&&G(p2)))))'
Support contains 9 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Applied a total of 0 rules in 17 ms. Remains 998 /998 variables (removed 0) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-31 23:20:15] [INFO ] Computed 440 invariants in 315 ms
[2024-05-31 23:20:38] [INFO ] Implicit Places using invariants in 23621 ms returned []
[2024-05-31 23:20:38] [INFO ] Invariant cache hit.
[2024-05-31 23:21:09] [INFO ] Implicit Places using invariants and state equation in 31031 ms returned []
Implicit Place search using SMT with State Equation took 54657 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-31 23:21:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30022 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
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(s776 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30033 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60371ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60382ms
Finished structural reductions in LTL mode , in 1 iterations and 115060 ms. Remains : 998/998 places, 874/874 transitions.
Stuttering acceptance computed with spot in 226 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : Echo-PT-d02r11-LTLFireability-14
Product exploration explored 100000 steps with 411 reset in 936 ms.
Product exploration explored 100000 steps with 411 reset in 1069 ms.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X (NOT (AND (NOT p0) p2))), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (G p2)), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 674 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLFireability-14 finished in 118657 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(!p1)) U (G((!p0||X(!p1)))||((!p0||X(!p1))&&(X(F(p2))||G(p3))))))'
[2024-05-31 23:22:13] [INFO ] Flatten gal took : 81 ms
[2024-05-31 23:22:13] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-31 23:22:13] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 998 places, 874 transitions and 4559 arcs took 15 ms.
Total runtime 1623523 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : Echo-PT-d02r11-LTLFireability-10

BK_STOP 1717198066257

--------------------
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 Echo-PT-d02r11-LTLFireability-10
ltl formula formula --ltl=/tmp/1426/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 998 places, 874 transitions and 4559 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/1426/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.160 real 0.040 user 0.060 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1426/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1426/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1426/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 11 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1000 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 999, there are 6552 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): ~243 levels ~10000 states ~733008 transitions
pnml2lts-mc( 0/ 4): ~243 levels ~20000 states ~1595328 transitions
pnml2lts-mc( 0/ 4): ~243 levels ~40000 states ~3427776 transitions
pnml2lts-mc( 0/ 4): ~243 levels ~80000 states ~7090944 transitions
pnml2lts-mc( 0/ 4): ~243 levels ~160000 states ~14952624 transitions
pnml2lts-mc( 3/ 4): ~241 levels ~320000 states ~29185424 transitions
pnml2lts-mc( 3/ 4): ~241 levels ~640000 states ~62761040 transitions
pnml2lts-mc( 3/ 4): ~241 levels ~1280000 states ~136275320 transitions
pnml2lts-mc( 3/ 4): ~241 levels ~2560000 states ~274110624 transitions
pnml2lts-mc( 1/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 3909380
pnml2lts-mc( 0/ 4): unique states count: 3910178
pnml2lts-mc( 0/ 4): unique transitions count: 524884316
pnml2lts-mc( 0/ 4): - self-loop count: 24
pnml2lts-mc( 0/ 4): - claim dead count: 520746774
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 3910185
pnml2lts-mc( 0/ 4): - cum. max stack depth: 966
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 3910185 states 524884548 transitions, fanout: 134.235
pnml2lts-mc( 0/ 4): Total exploration time 329.970 sec (329.610 sec minimum, 329.760 sec on average)
pnml2lts-mc( 0/ 4): States per second: 11850, Transitions per second: 1590704
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 94.0MB, 25.1 B/state, compr.: 0.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 11.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 886 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 94.0MB (~256.0MB paged-in)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Echo-PT-d02r11"
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 Echo-PT-d02r11, 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 r492-smll-171636266100084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r11.tgz
mv Echo-PT-d02r11 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 ;