fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r261-smll-167863535800060
Last Updated
May 14, 2023

About the Execution of ITS-Tools for NQueens-PT-25

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
496.920 144315.00 163557.00 825.20 TFFFTTFTFFTFFTTT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r261-smll-167863535800060.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool itstools
Input is NQueens-PT-25, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r261-smll-167863535800060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 9.1K Feb 26 17:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 102K Feb 26 17:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 26 17:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 17:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 26 17:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K Feb 26 17:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 17:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Feb 26 17:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 534K Mar 5 18:22 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 NQueens-PT-25-LTLFireability-00
FORMULA_NAME NQueens-PT-25-LTLFireability-01
FORMULA_NAME NQueens-PT-25-LTLFireability-02
FORMULA_NAME NQueens-PT-25-LTLFireability-03
FORMULA_NAME NQueens-PT-25-LTLFireability-04
FORMULA_NAME NQueens-PT-25-LTLFireability-05
FORMULA_NAME NQueens-PT-25-LTLFireability-06
FORMULA_NAME NQueens-PT-25-LTLFireability-07
FORMULA_NAME NQueens-PT-25-LTLFireability-08
FORMULA_NAME NQueens-PT-25-LTLFireability-09
FORMULA_NAME NQueens-PT-25-LTLFireability-10
FORMULA_NAME NQueens-PT-25-LTLFireability-11
FORMULA_NAME NQueens-PT-25-LTLFireability-12
FORMULA_NAME NQueens-PT-25-LTLFireability-13
FORMULA_NAME NQueens-PT-25-LTLFireability-14
FORMULA_NAME NQueens-PT-25-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678716913507

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NQueens-PT-25
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-13 14:15:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-13 14:15:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 14:15:16] [INFO ] Load time of PNML (sax parser for PT used): 330 ms
[2023-03-13 14:15:16] [INFO ] Transformed 775 places.
[2023-03-13 14:15:16] [INFO ] Transformed 625 transitions.
[2023-03-13 14:15:16] [INFO ] Parsed PT model containing 775 places and 625 transitions and 3125 arcs in 557 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-25-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 78 out of 773 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 773/773 places, 625/625 transitions.
Reduce places removed 625 places and 0 transitions.
Iterating post reduction 0 with 625 rules applied. Total rules applied 625 place count 148 transition count 625
Applied a total of 625 rules in 36 ms. Remains 148 /773 variables (removed 625) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:17] [INFO ] Invariants computation overflowed in 157 ms
[2023-03-13 14:15:17] [INFO ] Implicit Places using invariants in 568 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:17] [INFO ] Invariants computation overflowed in 73 ms
[2023-03-13 14:15:18] [INFO ] Implicit Places using invariants and state equation in 616 ms returned []
Implicit Place search using SMT with State Equation took 1241 ms to find 0 implicit places.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:18] [INFO ] Invariants computation overflowed in 87 ms
[2023-03-13 14:15:19] [INFO ] Dead Transitions using invariants and state equation in 528 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 148/773 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1814 ms. Remains : 148/773 places, 625/625 transitions.
Support contains 78 out of 148 places after structural reductions.
[2023-03-13 14:15:19] [INFO ] Flatten gal took : 206 ms
[2023-03-13 14:15:19] [INFO ] Flatten gal took : 121 ms
[2023-03-13 14:15:19] [INFO ] Input system was already deterministic with 625 transitions.
Support contains 77 out of 148 places (down from 78) after GAL structural reductions.
Finished random walk after 14 steps, including 0 resets, run visited all 29 properties in 18 ms. (steps per millisecond=0 )
Computed a total of 148 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 148 transition count 625
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_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 7 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 30 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:20] [INFO ] Invariants computation overflowed in 80 ms
[2023-03-13 14:15:20] [INFO ] Implicit Places using invariants in 482 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:20] [INFO ] Invariants computation overflowed in 51 ms
[2023-03-13 14:15:22] [INFO ] Implicit Places using invariants and state equation in 1526 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2016 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 28 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2075 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 323 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(OR (LT s15 1) (LT s32 1) (LT s81 1) (LT s118 1)), p0:(AND (GEQ s7 1) (GEQ s32 1) (GEQ s73 1) (GEQ s110 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 14064 reset in 7658 ms.
Product exploration explored 100000 steps with 14211 reset in 7718 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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 p1) p0), (F (G p1)), (F (G (NOT p0)))]
False Knowledge obtained : [(X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), (X p1), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge :(F (G p1))
Knowledge based reduction with 3 factoid took 490 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-00 finished in 19561 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 8 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 9 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:39] [INFO ] Invariants computation overflowed in 50 ms
[2023-03-13 14:15:40] [INFO ] Implicit Places using invariants in 481 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:40] [INFO ] Invariants computation overflowed in 51 ms
[2023-03-13 14:15:42] [INFO ] Implicit Places using invariants and state equation in 1882 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2370 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 8 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2389 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s3 1) (GEQ s48 1) (GEQ s53 1) (GEQ s122 1)) (AND (GEQ s9 1) (GEQ s31 1) (GEQ s76 1) (GEQ s111 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 2 ms.
FORMULA NQueens-PT-25-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-02 finished in 2523 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G((X(p1)&&p0))))||(!p2 U (p3||G(!p2)))))'
Support contains 11 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:42] [INFO ] Invariants computation overflowed in 48 ms
[2023-03-13 14:15:42] [INFO ] Implicit Places using invariants in 365 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:42] [INFO ] Invariants computation overflowed in 52 ms
[2023-03-13 14:15:44] [INFO ] Implicit Places using invariants and state equation in 1805 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2176 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2184 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 482 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p3) p2)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p3) p2 (NOT p0)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p3) p2 p0), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p3) (NOT p2) p0), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=3 dest: 8}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}], [{ cond=(OR (AND (NOT p3) p2 (NOT p0)) (AND (NOT p3) p2 (NOT p1))), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p3) p2 p0 p1), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p3) (NOT p2) p0 p1), acceptance={} source=5 dest: 5}, { cond=(OR (AND (NOT p3) (NOT p2) (NOT p0)) (AND (NOT p3) (NOT p2) (NOT p1))), acceptance={} source=5 dest: 8}], [{ cond=(AND (NOT p3) p2), acceptance={} source=6 dest: 1}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=6 dest: 7}], [{ cond=(AND (NOT p3) p2), acceptance={} source=7 dest: 2}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=7 dest: 3}], [{ cond=(AND (NOT p3) p2), acceptance={} source=8 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=8 dest: 8}]], initial=6, aps=[p0:(AND (GEQ s24 1) (GEQ s27 1) (GEQ s95 1) (GEQ s122 1)), p3:(AND (NOT (AND (GEQ s24 1) (GEQ s27 1) (GEQ s95 1) (GEQ s122 1))) (NOT (AND (GEQ s9 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-03 finished in 2693 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 5 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:45] [INFO ] Invariants computation overflowed in 78 ms
[2023-03-13 14:15:45] [INFO ] Implicit Places using invariants in 490 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:15:45] [INFO ] Invariants computation overflowed in 49 ms
[2023-03-13 14:15:47] [INFO ] Implicit Places using invariants and state equation in 1918 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2424 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 4 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2433 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s5 1) (LT s38 1) (LT s65 1) (LT s114 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 13745 reset in 7853 ms.
Product exploration explored 100000 steps with 13769 reset in 7915 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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 : [(NOT p0), (F (G p0))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(F (G p0))
Knowledge based reduction with 2 factoid took 263 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-04 finished in 19614 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:04] [INFO ] Invariants computation overflowed in 78 ms
[2023-03-13 14:16:05] [INFO ] Implicit Places using invariants in 428 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:05] [INFO ] Invariants computation overflowed in 80 ms
[2023-03-13 14:16:06] [INFO ] Implicit Places using invariants and state equation in 1443 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1876 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 5 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1886 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(OR (LT s22 1) (LT s39 1) (LT s81 1) (LT s132 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 13036 reset in 7566 ms.
Product exploration explored 100000 steps with 12997 reset in 7373 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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 : [(NOT p0), (F (G p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(F (G p0))
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-05 finished in 18060 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 5 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:22] [INFO ] Invariants computation overflowed in 47 ms
[2023-03-13 14:16:23] [INFO ] Implicit Places using invariants in 432 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:23] [INFO ] Invariants computation overflowed in 78 ms
[2023-03-13 14:16:24] [INFO ] Implicit Places using invariants and state equation in 1409 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1845 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1854 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s23 1) (GEQ s30 1) (GEQ s91 1) (GEQ s124 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 30 steps with 3 reset in 6 ms.
FORMULA NQueens-PT-25-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-06 finished in 1948 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||G(F(p1)))))'
Support contains 8 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 2 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:24] [INFO ] Invariants computation overflowed in 47 ms
[2023-03-13 14:16:25] [INFO ] Implicit Places using invariants in 438 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:25] [INFO ] Invariants computation overflowed in 50 ms
[2023-03-13 14:16:26] [INFO ] Implicit Places using invariants and state equation in 1279 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1738 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1744 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 179 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s8 1) (GEQ s47 1) (GEQ s59 1) (GEQ s126 1)), p1:(OR (LT s20 1) (LT s42 1) (LT s76 1) (LT s133 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 5434 reset in 5239 ms.
Product exploration explored 100000 steps with 5469 reset in 4737 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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)), true, (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge :(F (G p1))
Knowledge based reduction with 4 factoid took 427 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-07 finished in 13391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||G(F(p1))))'
Support contains 12 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 15 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:38] [INFO ] Invariants computation overflowed in 79 ms
[2023-03-13 14:16:38] [INFO ] Implicit Places using invariants in 347 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:38] [INFO ] Invariants computation overflowed in 81 ms
[2023-03-13 14:16:39] [INFO ] Implicit Places using invariants and state equation in 1270 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1619 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 9 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1644 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s25 1) (GEQ s76 1) (GEQ s99 1)), p1:(OR (AND (GEQ s5 1) (GEQ s40 1) (GEQ s63 1) (GEQ s116 1)) (AND (OR (LT s20 1) (LT s35 1) (LT s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-08 finished in 1811 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&(p1||F(p2)))))'
Support contains 11 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:39] [INFO ] Invariants computation overflowed in 85 ms
[2023-03-13 14:16:40] [INFO ] Implicit Places using invariants in 436 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:40] [INFO ] Invariants computation overflowed in 47 ms
[2023-03-13 14:16:41] [INFO ] Implicit Places using invariants and state equation in 1562 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2001 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2007 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 232 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p2)), true, (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(OR (AND p0 p1) (AND p0 p2)), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 p2), acceptance={0} source=2 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(NOT p0), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p0:(AND (GEQ s10 1) (GEQ s42 1) (GEQ s66 1) (GEQ s123 1)), p1:(AND (GEQ s16 1) (GEQ s42 1) (GEQ s72 1) (GEQ s129 1)), p2:(AND (GEQ s3 1) (GEQ s46 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-09 finished in 2258 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X((!p1 U (p2||G(!p1))))))))'
Support contains 11 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:42] [INFO ] Invariants computation overflowed in 80 ms
[2023-03-13 14:16:42] [INFO ] Implicit Places using invariants in 336 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:16:42] [INFO ] Invariants computation overflowed in 59 ms
[2023-03-13 14:16:44] [INFO ] Implicit Places using invariants and state equation in 1903 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2247 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2253 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 164 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s19 1) (LT s33 1) (LT s84 1) (LT s123 1)), p2:(AND (NOT (AND (GEQ s6 1) (GEQ s44 1) (GEQ s60 1) (GEQ s121 1))) (NOT (AND (GEQ s3 1) (GEQ s49 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 8545 reset in 7120 ms.
Product exploration explored 100000 steps with 8580 reset in 6715 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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 p2) p1), (F (G p0)), (F (G p2)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (AND p0 (NOT p2) p1)), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT p0)), (X p0), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p0) (NOT p2) p1)
Knowledge based reduction with 4 factoid took 624 ms. Reduced automaton from 3 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-10 finished in 17958 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((!p0 U (G(p1)&&(!p2||G(p0))))))))'
Support contains 12 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 4 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:00] [INFO ] Invariants computation overflowed in 82 ms
[2023-03-13 14:17:00] [INFO ] Implicit Places using invariants in 373 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:00] [INFO ] Invariants computation overflowed in 78 ms
[2023-03-13 14:17:01] [INFO ] Implicit Places using invariants and state equation in 1275 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1654 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 3 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1662 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 340 ms :[(OR (NOT p1) (AND (NOT p0) p2)), (OR (NOT p1) (AND (NOT p0) p2)), (OR (NOT p1) (AND (NOT p0) p2)), true, (NOT p1), (NOT p0), (OR (NOT p1) (AND (NOT p0) p2)), (NOT p1)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(OR p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 3}, { cond=(AND p1 p0), acceptance={} source=2 dest: 4}, { cond=(AND p1 p2 p0), acceptance={} source=2 dest: 5}, { cond=(OR (AND (NOT p1) (NOT p0)) (AND p2 (NOT p0))), acceptance={} source=2 dest: 6}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 3}, { cond=p0, acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p1) p0), acceptance={} source=6 dest: 3}, { cond=(AND p1 p0), acceptance={} source=6 dest: 4}, { cond=(AND p1 p2 p0), acceptance={} source=6 dest: 5}, { cond=(OR (AND (NOT p1) (NOT p0)) (AND p2 (NOT p0))), acceptance={0} source=6 dest: 6}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=6 dest: 7}], [{ cond=(AND (NOT p1) p0), acceptance={} source=7 dest: 3}, { cond=(AND p1 p0), acceptance={} source=7 dest: 4}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=7 dest: 6}, { cond=(AND p1 (NOT p0)), acceptance={} source=7 dest: 7}]], initial=0, aps=[p1:(AND (GEQ s15 1) (GEQ s31 1) (GEQ s82 1) (GEQ s117 1)), p0:(AND (GEQ s19 1) (GEQ s28 1) (GEQ s89 1) (GEQ s118 1)), p2:(AND (GEQ s16 1) (GEQ s49 1) (GEQ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-11 finished in 2027 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 8 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:02] [INFO ] Invariants computation overflowed in 46 ms
[2023-03-13 14:17:02] [INFO ] Implicit Places using invariants in 395 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:02] [INFO ] Invariants computation overflowed in 47 ms
[2023-03-13 14:17:04] [INFO ] Implicit Places using invariants and state equation in 1915 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2314 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 7 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2329 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s2 1) (GEQ s37 1) (GEQ s63 1) (GEQ s110 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-12 finished in 2400 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((F(p1)&&p0))||F((!p2 U (p3||G(!p2))))))'
Support contains 12 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 2 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:04] [INFO ] Invariants computation overflowed in 46 ms
[2023-03-13 14:17:04] [INFO ] Implicit Places using invariants in 338 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:04] [INFO ] Invariants computation overflowed in 48 ms
[2023-03-13 14:17:06] [INFO ] Implicit Places using invariants and state equation in 1639 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 1983 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 2 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1988 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 224 ms :[(OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p3) p2), (AND (NOT p3) (NOT p1) p2)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p3), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p3) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p3) p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p3) p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p3) p2 (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p3:(AND (NOT (AND (GEQ s11 1) (GEQ s49 1) (GEQ s60 1) (GEQ s131 1))) (NOT (AND (GEQ s15 1) (GEQ s40 1) (GEQ s73 1) (GEQ s126 1)))), p0:(AND (GEQ s2 1) (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 14759 reset in 8486 ms.
Product exploration explored 100000 steps with 14655 reset in 8108 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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) p0 (NOT p1) p2), (F (G p3)), (F (G (NOT p0))), (F (G p1)), (F (G (NOT p2)))]
False Knowledge obtained : [(X (AND (NOT p3) p0 (NOT p1))), (X (NOT (AND (NOT p3) p0 (NOT p1)))), (X (AND (NOT p3) (NOT p0))), (X (NOT (AND (NOT p3) (NOT p0)))), (X (X (AND (NOT p3) p2 (NOT p1)))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (AND (NOT p3) p2))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (AND (NOT p3) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
Property proved to be true thanks to knowledge :(F (G p3))
Knowledge based reduction with 5 factoid took 444 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-14 finished in 20317 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 8 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:24] [INFO ] Invariants computation overflowed in 46 ms
[2023-03-13 14:17:25] [INFO ] Implicit Places using invariants in 393 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2023-03-13 14:17:25] [INFO ] Invariants computation overflowed in 49 ms
[2023-03-13 14:17:27] [INFO ] Implicit Places using invariants and state equation in 1917 ms returned [50, 98, 99, 147]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 2315 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 144/148 places, 625/625 transitions.
Applied a total of 0 rules in 11 ms. Remains 144 /144 variables (removed 0) and now considering 625/625 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2334 ms. Remains : 144/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s24 1) (LT s29 1) (LT s93 1) (LT s124 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 4316 reset in 4140 ms.
Product exploration explored 100000 steps with 4316 reset in 4081 ms.
Computed a total of 144 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 144 transition count 625
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 : [(NOT p0), (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge :(F (G p0))
Knowledge based reduction with 2 factoid took 188 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-15 finished in 11739 ms.
All properties solved by simple procedures.
Total runtime 140345 ms.

BK_STOP 1678717057822

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="NQueens-PT-25"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5348"
echo " Executing tool itstools"
echo " Input is NQueens-PT-25, 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 r261-smll-167863535800060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-25.tgz
mv NQueens-PT-25 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 ;