fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r009-oct2-167813597600228
Last Updated
May 14, 2023

About the Execution of LTSMin+red for AirplaneLD-COL-2000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
423.384 18431.00 34975.00 59.70 F?TTFFFFFFFTFFTF 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.r009-oct2-167813597600228.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 ltsminxred
Input is AirplaneLD-COL-2000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r009-oct2-167813597600228
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 8.0K Feb 26 12:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 12:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 12:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 12:05 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 4.3K Feb 25 15:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 15:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 14:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 14:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 328K 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 AirplaneLD-COL-2000-LTLFireability-00
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-01
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-02
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-03
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-04
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-05
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-06
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-07
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-08
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-09
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-2000-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678620697810

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=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-COL-2000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 11:31:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 11:31:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 11:31:40] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-12 11:31:41] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-12 11:31:41] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 845 ms
[2023-03-12 11:31:41] [INFO ] Detected 3 constant HL places corresponding to 6002 PT places.
[2023-03-12 11:31:41] [INFO ] Imported 20 HL places and 15 HL transitions for a total of 14019 PT places and 24012.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
[2023-03-12 11:31:41] [INFO ] Built PT skeleton of HLPN with 20 places and 15 transitions 56 arcs in 6 ms.
[2023-03-12 11:31:41] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
FORMULA AirplaneLD-COL-2000-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-COL-2000-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 20 stabilizing places and 15 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 15
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 4 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 17 stabilizing places and 14 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 17 transition count 14
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Finished random walk after 466 steps, including 58 resets, run visited all 6 properties in 30 ms. (steps per millisecond=15 )
[2023-03-12 11:31:41] [INFO ] Flatten gal took : 29 ms
[2023-03-12 11:31:41] [INFO ] Flatten gal took : 7 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Altitude
Symmetric sort wr.t. initial detected :Altitude
Transition t3_2 : guard parameter $A(Altitude:4000) in guard (OR (GEQ $A 1999) (EQ $A 3999))introduces in Altitude(4000) partition with 2 elements
Transition t3_1 : guard parameter $A(Altitude:4000) in guard (AND (LT $A 1999) (NEQ $A 3999))introduces in Altitude(4000) partition with 2 elements
Sort wr.t. initial and guards Altitude has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Altitude domain size was 4000 reducing to 2 values.
For transition t3_2:(OR (GEQ $A 1999) (EQ $A 3999)) -> (EQ $A 1)
For transition t3_1:(AND (LT $A 1999) (NEQ $A 3999)) -> (EQ $A 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Speed
Symmetric sort wr.t. initial detected :Speed
Transition t5_2 : guard parameter $S(Speed:2000) in guard (OR (LEQ $S 999) (EQ $S 1999))introduces in Speed(2000) partition with 2 elements
Transition t5_1 : guard parameter $S(Speed:2000) in guard (AND (GT $S 999) (NEQ $S 1999))introduces in Speed(2000) partition with 2 elements
Transition t4_2 : guard parameter $S(Speed:2000) in guard (OR (LEQ $S 999) (EQ $S 1999))introduces in Speed(2000) partition with 2 elements
Transition t4_1 : guard parameter $S(Speed:2000) in guard (AND (GT $S 999) (NEQ $S 1999))introduces in Speed(2000) partition with 2 elements
Sort wr.t. initial and guards Speed has partition 2
Applying symmetric unfolding of partitioned symmetric sort :Speed domain size was 2000 reducing to 2 values.
For transition t5_2:(OR (LEQ $S 999) (EQ $S 1999)) -> (EQ $S 1)
For transition t5_1:(AND (GT $S 999) (NEQ $S 1999)) -> (EQ $S 0)
For transition t4_2:(OR (LEQ $S 999) (EQ $S 1999)) -> (EQ $S 1)
For transition t4_1:(AND (GT $S 999) (NEQ $S 1999)) -> (EQ $S 0)
Symmetric sort wr.t. initial and guards and successors and join/free detected :Signal
Arc [19:1*[1]] contains constants of sort Signal
Transition t5_2 : constants on arcs in [[19:1*[1]]] introduces in Signal(2) partition with 1 elements that refines current partition to 2 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :Weight
Symmetric sort wr.t. initial detected :Weight
Transition t2_2 : guard parameter $W(Weight:2) in guard (EQ $W 1)introduces in Weight(2) partition with 2 elements
[2023-03-12 11:31:42] [INFO ] Unfolded HLPN to a Petri net with 29 places and 20 transitions 56 arcs in 96 ms.
[2023-03-12 11:31:42] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
[2023-03-12 11:31:42] [INFO ] Reduced 1 identical enabling conditions.
Reduce places removed 6 places and 0 transitions.
FORMULA AirplaneLD-COL-2000-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 20/20 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 20
Applied a total of 3 rules in 8 ms. Remains 20 /23 variables (removed 3) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2023-03-12 11:31:42] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-12 11:31:42] [INFO ] Implicit Places using invariants in 192 ms returned []
[2023-03-12 11:31:42] [INFO ] Invariant cache hit.
[2023-03-12 11:31:42] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
[2023-03-12 11:31:42] [INFO ] Invariant cache hit.
[2023-03-12 11:31:42] [INFO ] Dead Transitions using invariants and state equation in 160 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 20/20 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 581 ms. Remains : 20/23 places, 20/20 transitions.
Support contains 18 out of 20 places after structural reductions.
[2023-03-12 11:31:42] [INFO ] Flatten gal took : 2 ms
[2023-03-12 11:31:42] [INFO ] Flatten gal took : 3 ms
[2023-03-12 11:31:42] [INFO ] Input system was already deterministic with 20 transitions.
Finished random walk after 281 steps, including 35 resets, run visited all 18 properties in 21 ms. (steps per millisecond=13 )
FORMULA AirplaneLD-COL-2000-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 20 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 20 transition count 20
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' '!(X(F(p0)))'
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2023-03-12 11:31:43] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-12 11:31:43] [INFO ] Implicit Places using invariants in 46 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 53 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 272 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s2 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 6 steps with 0 reset in 2 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-00 finished in 429 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((p0&&G((p1&&F(p0))))))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 5 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.1 ms
Discarding 15 places :
Also discarding 14 output transitions
Drop transitions removed 14 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 5 transition count 5
Applied a total of 2 rules in 3 ms. Remains 5 /20 variables (removed 15) and now considering 5/20 (removed 15) transitions.
// Phase 1: matrix 5 rows 5 cols
[2023-03-12 11:31:43] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-12 11:31:43] [INFO ] Implicit Places using invariants in 57 ms returned []
[2023-03-12 11:31:43] [INFO ] Invariant cache hit.
[2023-03-12 11:31:43] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
[2023-03-12 11:31:43] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-12 11:31:43] [INFO ] Invariant cache hit.
[2023-03-12 11:31:43] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/20 places, 5/20 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 170 ms. Remains : 5/20 places, 5/20 transitions.
Stuttering acceptance computed with spot in 246 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s2 1) (LT s3 1)), p1:(LT s0 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 25000 reset in 227 ms.
Product exploration explored 100000 steps with 25000 reset in 127 ms.
Computed a total of 5 stabilizing places and 5 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 5
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))), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (NOT p1)), (X p1), (X (OR (NOT p0) (NOT p1))), (X (NOT (OR (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT (OR (NOT p0) (NOT p1)))))]
Knowledge based reduction with 4 factoid took 974 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Finished random walk after 1 steps, including 0 resets, run visited all 3 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (NOT p1)), (X p1), (X (OR (NOT p0) (NOT p1))), (X (NOT (OR (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT (OR (NOT p0) (NOT p1))))), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (AND p0 p1))]
Knowledge based reduction with 4 factoid took 1145 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
[2023-03-12 11:31:47] [INFO ] Invariant cache hit.
[2023-03-12 11:31:47] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 10 ms returned sat
[2023-03-12 11:31:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 11:31:47] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-12 11:31:47] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-12 11:31:47] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 3 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-12 11:31:47] [INFO ] Invariant cache hit.
[2023-03-12 11:31:47] [INFO ] Implicit Places using invariants in 73 ms returned []
[2023-03-12 11:31:47] [INFO ] Invariant cache hit.
[2023-03-12 11:31:47] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
[2023-03-12 11:31:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-12 11:31:47] [INFO ] Invariant cache hit.
[2023-03-12 11:31:47] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 204 ms. Remains : 5/5 places, 5/5 transitions.
Computed a total of 5 stabilizing places and 5 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 5
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)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (NOT p1)), (X p1), (X (OR (NOT p0) (NOT p1))), (X (NOT (OR (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X p1)), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT (OR (NOT p0) (NOT p1)))))]
Knowledge based reduction with 3 factoid took 591 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 155 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Finished random walk after 1 steps, including 0 resets, run visited all 3 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND p0 (NOT p1)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (NOT p1)), (X p1), (X (OR (NOT p0) (NOT p1))), (X (NOT (OR (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X p1)), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT (OR (NOT p0) (NOT p1))))), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (AND p0 p1))]
Knowledge based reduction with 3 factoid took 517 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 225 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
[2023-03-12 11:31:49] [INFO ] Invariant cache hit.
[2023-03-12 11:31:49] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-12 11:31:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 11:31:49] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-12 11:31:49] [INFO ] Computed and/alt/rep : 2/2/2 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-12 11:31:49] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 95 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Product exploration explored 100000 steps with 25000 reset in 102 ms.
Product exploration explored 100000 steps with 25000 reset in 122 ms.
Support contains 3 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-12 11:31:49] [INFO ] Invariant cache hit.
[2023-03-12 11:31:49] [INFO ] Implicit Places using invariants in 59 ms returned []
[2023-03-12 11:31:49] [INFO ] Invariant cache hit.
[2023-03-12 11:31:49] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2023-03-12 11:31:49] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-12 11:31:49] [INFO ] Invariant cache hit.
[2023-03-12 11:31:49] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 126 ms. Remains : 5/5 places, 5/5 transitions.
Treatment of property AirplaneLD-COL-2000-LTLFireability-01 finished in 6345 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)||F(p1)))'
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 9 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.0 ms
Discarding 11 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 9 transition count 9
Applied a total of 2 rules in 2 ms. Remains 9 /20 variables (removed 11) and now considering 9/20 (removed 11) transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-03-12 11:31:49] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-12 11:31:49] [INFO ] Implicit Places using invariants in 48 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/20 places, 9/20 transitions.
Graph (complete) has 5 edges and 8 vertex of which 7 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Applied a total of 1 rules in 3 ms. Remains 7 /8 variables (removed 1) and now considering 8/9 (removed 1) transitions.
// Phase 1: matrix 8 rows 7 cols
[2023-03-12 11:31:49] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-12 11:31:50] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-12 11:31:50] [INFO ] Invariant cache hit.
[2023-03-12 11:31:50] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/20 places, 8/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 115 ms. Remains : 7/20 places, 8/20 transitions.
Stuttering acceptance computed with spot in 107 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=1, aps=[p1:(LT s0 1), p0:(OR (LT s3 1) (LT s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 27979 reset in 81 ms.
Product exploration explored 100000 steps with 27936 reset in 84 ms.
Computed a total of 7 stabilizing places and 8 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 7 transition count 8
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), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (G p1)), (F (G p0))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT p1))), (X (X p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
Property proved to be true thanks to knowledge :(F (G p1))
Knowledge based reduction with 5 factoid took 376 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-2000-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-2000-LTLFireability-02 finished in 860 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((p0&&G((p0 U (X(!p2)&&p1))))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2023-03-12 11:31:50] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-12 11:31:50] [INFO ] Implicit Places using invariants in 68 ms returned []
[2023-03-12 11:31:50] [INFO ] Invariant cache hit.
[2023-03-12 11:31:50] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
[2023-03-12 11:31:50] [INFO ] Invariant cache hit.
[2023-03-12 11:31:50] [INFO ] Dead Transitions using invariants and state equation in 63 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 211 ms. Remains : 20/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 370 ms :[(OR (NOT p1) (NOT p0) p2), (OR (NOT p1) p2), (OR (NOT p1) p2), p2, p2]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}, { cond=(AND p0 p1), acceptance={0} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={0} source=1 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={0} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(OR p0 p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={0} source=3 dest: 0}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=3 dest: 1}, { cond=(AND p0 p1 p2), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p0) p1 p2), acceptance={0} source=3 dest: 4}], [{ cond=(AND (NOT p0) p2), acceptance={0} source=4 dest: 0}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=4 dest: 1}, { cond=(AND p0 p2), acceptance={} source=4 dest: 2}, { cond=(AND p0 p1 p2), acceptance={0} source=4 dest: 3}]], initial=0, aps=[p0:(GEQ s1 1), p1:(AND (GEQ s5 1) (GEQ s18 1)), p2:(OR (LT s9 1) (LT s12 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-04 finished in 599 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 (p1&&F(p2)))))'
Support contains 5 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2023-03-12 11:31:51] [INFO ] Computed 1 place invariants in 4 ms
[2023-03-12 11:31:51] [INFO ] Implicit Places using invariants in 128 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 130 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 223 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), p0, (NOT p2), true]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={0} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}, { cond=p0, acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(GEQ s3 1), p2:(AND (GEQ s8 1) (GEQ s9 1)), p0:(AND (GEQ s6 1) (GEQ s15 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, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-05 finished in 386 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((F(G(p1))&&p0))))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2023-03-12 11:31:51] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-12 11:31:51] [INFO ] Implicit Places using invariants in 137 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 140 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 144 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s5 1) (GEQ s18 1)), p1:(AND (GEQ s8 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-06 finished in 368 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 p0)))'
Support contains 2 out of 20 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Graph (complete) has 18 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.0 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions removed 8 transitions
Applied a total of 1 rules in 14 ms. Remains 12 /20 variables (removed 8) and now considering 12/20 (removed 8) transitions.
// Phase 1: matrix 12 rows 12 cols
[2023-03-12 11:31:52] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-12 11:31:52] [INFO ] Implicit Places using invariants in 60 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 61 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/20 places, 12/20 transitions.
Graph (complete) has 9 edges and 11 vertex of which 10 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 9 transition count 10
Applied a total of 3 rules in 1 ms. Remains 9 /11 variables (removed 2) and now considering 10/12 (removed 2) transitions.
// Phase 1: matrix 10 rows 9 cols
[2023-03-12 11:31:52] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-12 11:31:52] [INFO ] Implicit Places using invariants in 148 ms returned []
[2023-03-12 11:31:52] [INFO ] Invariant cache hit.
[2023-03-12 11:31:52] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/20 places, 10/20 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 294 ms. Remains : 9/20 places, 10/20 transitions.
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s7 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-08 finished in 486 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 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2023-03-12 11:31:52] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-12 11:31:52] [INFO ] Implicit Places using invariants in 106 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 125 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 127 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s1 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 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-09 finished in 221 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(p0) U p1) U (G(p3)&&p2)))'
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2023-03-12 11:31:52] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-12 11:31:52] [INFO ] Implicit Places using invariants in 46 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 343 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p0)), (NOT p3), true, (NOT p3)]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p2) (NOT p3)), acceptance={0} source=0 dest: 0}, { cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p3) (NOT p1))), acceptance={} source=0 dest: 1}, { cond=(AND p2 p3 (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND p2 p3), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p3) (NOT p0)), acceptance={} source=2 dest: 4}, { cond=(AND p3 (NOT p0)), acceptance={} source=2 dest: 5}], [{ cond=(NOT p3), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p3) (NOT p1)), acceptance={} source=3 dest: 1}, { cond=(AND p3 (NOT p1)), acceptance={} source=3 dest: 2}, { cond=p3, acceptance={} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p3), acceptance={} source=5 dest: 4}, { cond=p3, acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(AND (GEQ s8 1) (GEQ s9 1)), p3:(AND (GEQ s5 1) (GEQ s17 1)), p1:(GEQ s4 1), p0:(GEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-10 finished in 413 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(X(X(G(!p0))))))'
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2023-03-12 11:31:53] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-12 11:31:53] [INFO ] Implicit Places using invariants in 124 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 125 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 127 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 225 ms :[true, p0, p0, p0, p0, p0]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(AND (GEQ s8 1) (GEQ s9 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, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 22 steps with 2 reset in 0 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-13 finished in 367 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' '!((p0 U X(!p1)))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 20 cols
[2023-03-12 11:31:53] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-12 11:31:53] [INFO ] Implicit Places using invariants in 87 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 98 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 99 ms. Remains : 19/20 places, 20/20 transitions.
Stuttering acceptance computed with spot in 266 ms :[p1, true, p1, p1]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 3}], [{ cond=p1, acceptance={} source=3 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s5 1) (GEQ s18 1)), p1:(AND (GEQ s6 1) (GEQ s16 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, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 105 ms.
Product exploration explored 100000 steps with 50000 reset in 82 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
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)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), true, (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) p1)))
Knowledge based reduction with 10 factoid took 277 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-COL-2000-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-COL-2000-LTLFireability-14 finished in 887 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(((G(p1)&&X(G(p2)))||p0)))'
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 19 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 19 transition count 18
Applied a total of 3 rules in 1 ms. Remains 19 /20 variables (removed 1) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 19 cols
[2023-03-12 11:31:54] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-12 11:31:54] [INFO ] Implicit Places using invariants in 255 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 258 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/20 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 260 ms. Remains : 18/20 places, 18/20 transitions.
Stuttering acceptance computed with spot in 117 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1))]
Running random walk in product with property : AirplaneLD-COL-2000-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 2}], [{ cond=(OR (NOT p1) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND p1 p2), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s6 1) (LT s15 1)), p1:(AND (GEQ s6 1) (GEQ s15 1)), p2:(AND (GEQ s7 1) (GEQ s13 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 429 steps with 54 reset in 1 ms.
FORMULA AirplaneLD-COL-2000-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-COL-2000-LTLFireability-15 finished in 394 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((p0&&G((p1&&F(p0))))))'
[2023-03-12 11:31:55] [INFO ] Flatten gal took : 3 ms
[2023-03-12 11:31:55] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-12 11:31:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 20 places, 20 transitions and 44 arcs took 0 ms.
Total runtime 14738 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1086/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : AirplaneLD-COL-2000-LTLFireability-01

BK_STOP 1678620716241

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name AirplaneLD-COL-2000-LTLFireability-01
ltl formula formula --ltl=/tmp/1086/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
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 20 places, 20 transitions and 44 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1086/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1086/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1086/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1086/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:

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="AirplaneLD-COL-2000"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is AirplaneLD-COL-2000, 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 r009-oct2-167813597600228"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-2000.tgz
mv AirplaneLD-COL-2000 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 ;