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.r487-tall-167912703700916.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 lolaxred
Input is TwoPhaseLocking-PT-nC05000vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703700916
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.0K Feb 25 17:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 17:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 25 17:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 17:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Feb 25 17:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 17:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.6K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679225354014

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC05000vD
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 11:29:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 11:29:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 11:29:15] [INFO ] Load time of PNML (sax parser for PT used): 16 ms
[2023-03-19 11:29:15] [INFO ] Transformed 8 places.
[2023-03-19 11:29:15] [INFO ] Transformed 6 transitions.
[2023-03-19 11:29:15] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 67 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 7 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:29:15] [INFO ] Computed 3 place invariants in 6 ms
[2023-03-19 11:29:15] [INFO ] Implicit Places using invariants in 104 ms returned []
[2023-03-19 11:29:15] [INFO ] Invariant cache hit.
[2023-03-19 11:29:15] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2023-03-19 11:29:15] [INFO ] Invariant cache hit.
[2023-03-19 11:29:15] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 212 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-19 11:29:16] [INFO ] Flatten gal took : 11 ms
[2023-03-19 11:29:16] [INFO ] Flatten gal took : 2 ms
[2023-03-19 11:29:16] [INFO ] Input system was already deterministic with 6 transitions.
Incomplete random walk after 10006 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 9) seen :5
Finished Best-First random walk after 40 steps, including 0 resets, run visited all 4 properties in 2 ms. (steps per millisecond=20 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 4 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-19 11:29:16] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:29:16] [INFO ] Implicit Places using invariants in 24 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s5 1), p0:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 22630 reset in 180 ms.
Product exploration explored 100000 steps with 22642 reset in 104 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 5 factoid took 288 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p1), (NOT p0)]
Incomplete random walk after 10006 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 3) seen :2
Finished Best-First random walk after 7 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=7 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 5 factoid took 346 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p0)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-19 11:29:17] [INFO ] Computed 2 place invariants in 0 ms
Proved EG (NOT p1)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (G (NOT p1))]
Property proved to be false thanks to negative knowledge :(G (NOT p1))
Knowledge based reduction with 5 factoid took 205 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 finished in 1672 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(G((p0&&X((p0||X(X(p0))))))))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:29:18] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:29:18] [INFO ] Implicit Places using invariants in 30 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 156 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(LT s5 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 finished in 201 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(!(X(F(p0)) U !(p1 U p1)))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-19 11:29:18] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 90 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 150 ms :[(NOT p1), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0, 1} source=1 dest: 1}, { cond=p1, acceptance={0, 1} source=1 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={1} source=2 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={0, 1} source=3 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={1} source=3 dest: 2}, { cond=(AND p1 p0), acceptance={0, 1} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={1} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s1 1)), p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 130 ms.
Stack based approach found an accepted trace after 25 steps with 0 reset with depth 26 and stack size 26 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 finished in 392 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)||(p0&&X((p0 U (p1||G(p0))))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 11:29:18] [INFO ] Invariant cache hit.
[2023-03-19 11:29:18] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 60 ms :[false, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={0, 1} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=1 dest: 1}]], initial=0, aps=[p0:(LT s6 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 51 ms.
Product exploration explored 100000 steps with 50000 reset in 150 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 p1)
Knowledge based reduction with 6 factoid took 230 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 finished in 585 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)))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 0 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-19 11:29:19] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-19 11:29:19] [INFO ] Implicit Places using invariants in 79 ms returned []
[2023-03-19 11:29:19] [INFO ] Invariant cache hit.
[2023-03-19 11:29:19] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
[2023-03-19 11:29:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:29:19] [INFO ] Invariant cache hit.
[2023-03-19 11:29:19] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 140 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 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:(OR (LT s3 1) (LT s5 1) (GEQ s2 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]]
Product exploration explored 100000 steps with 10075 reset in 68 ms.
Product exploration explored 100000 steps with 10044 reset in 87 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Finished random walk after 2501 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1250 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
[2023-03-19 11:29:20] [INFO ] Invariant cache hit.
[2023-03-19 11:29:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 11:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:20] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:29:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:20] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:29:20] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:29:20] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:29:20] [INFO ] Invariant cache hit.
[2023-03-19 11:29:20] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:29:20] [INFO ] Invariant cache hit.
[2023-03-19 11:29:20] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 11:29:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:29:20] [INFO ] Invariant cache hit.
[2023-03-19 11:29:20] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 85 ms. Remains : 7/7 places, 5/5 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Finished random walk after 2501 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=833 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 141 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2023-03-19 11:29:20] [INFO ] Invariant cache hit.
[2023-03-19 11:29:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:20] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:29:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:29:20] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:29:20] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10072 reset in 62 ms.
Product exploration explored 100000 steps with 10029 reset in 70 ms.
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-19 11:29:21] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 68 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 finished in 1869 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 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:29:21] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 101 ms :[true, p0, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s3 1) (GEQ s5 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 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 finished in 183 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)&&X(X(G(p1)))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants in 22 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p1) p0), p0, (NOT p1), (NOT p1), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LT s5 1), p1:(AND (GEQ s0 1) (GEQ s1 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 15 steps with 3 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 finished in 233 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) U p1))&&F(p0)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:21] [INFO ] Invariant cache hit.
[2023-03-19 11:29:21] [INFO ] Implicit Places using invariants in 28 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(GEQ s6 1), p1:(GEQ s2 1)], nbAcceptance=0, 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 7061 reset in 138 ms.
Stack based approach found an accepted trace after 135 steps with 11 reset with depth 26 and stack size 26 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 finished in 356 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(((p1 U p2)&&p0))||F(G(!p3)))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:22] [INFO ] Invariant cache hit.
[2023-03-19 11:29:22] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 11:29:22] [INFO ] Invariant cache hit.
[2023-03-19 11:29:22] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-19 11:29:22] [INFO ] Invariant cache hit.
[2023-03-19 11:29:22] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 155 ms :[(OR (AND (NOT p0) p3) (AND (NOT p2) p3)), p3, (AND (NOT p2) p3), (OR (AND (NOT p0) p3) (AND (NOT p2) p3))]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(OR (AND p0 p2) (AND p0 p1)), acceptance={} source=0 dest: 0}, { cond=(OR (NOT p0) (AND (NOT p2) (NOT p1))), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p2) p1 p3), acceptance={} source=0 dest: 2}], [{ cond=(NOT p3), acceptance={} source=1 dest: 1}, { cond=p3, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p2) p1 (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1 p3), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1)), p2:(AND (GEQ s3 1) (GEQ s5 1)), p1:(AND (GEQ s3 1) (GEQ s4 1)), p3:(AND (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 72 ms.
Stack based approach found an accepted trace after 3095 steps with 0 reset with depth 3096 and stack size 3020 in 4 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 finished in 325 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||X(X(X(p0))))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:29:22] [INFO ] Invariant cache hit.
[2023-03-19 11:29:22] [INFO ] Implicit Places using invariants in 24 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 26 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 2}]], initial=5, aps=[p0:(LT s5 1)], 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][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 31 ms.
Product exploration explored 100000 steps with 50000 reset in 39 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), true]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 200 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 finished in 483 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)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 7 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-19 11:29:22] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:29:22] [INFO ] Implicit Places using invariants in 22 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 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:(LT s4 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]]
Product exploration explored 100000 steps with 2469 reset in 45 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 27 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 finished in 138 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)||G(!p2))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-19 11:29:22] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:29:22] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 28 ms :[(AND (NOT p1) (NOT p0) p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0) p2), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s1 1)), p0:(AND (GEQ s2 1) (GEQ s0 1) (GEQ s1 1)), p2:(GEQ s2 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 8751 reset in 89 ms.
Stack based approach found an accepted trace after 128 steps with 10 reset with depth 11 and stack size 11 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 finished in 164 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||X(p0))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 4 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-19 11:29:23] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:29:23] [INFO ] Implicit Places using invariants in 20 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 20 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 25005 reset in 41 ms.
Product exploration explored 100000 steps with 24990 reset in 50 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 115 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 23 ms :[(NOT p0)]
Finished random walk after 2502 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1251 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
// Phase 1: matrix 4 rows 5 cols
[2023-03-19 11:29:23] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-19 11:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-19 11:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:23] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-19 11:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:29:23] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:29:23] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-19 11:29:23] [INFO ] Invariant cache hit.
[2023-03-19 11:29:23] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:29:23] [INFO ] Invariant cache hit.
[2023-03-19 11:29:23] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 11:29:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:29:23] [INFO ] Invariant cache hit.
[2023-03-19 11:29:23] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 5/5 places, 4/4 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 98 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 22 ms :[(NOT p0)]
Finished random walk after 2502 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1251 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 105 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
[2023-03-19 11:29:24] [INFO ] Invariant cache hit.
[2023-03-19 11:29:24] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:29:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-19 11:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:29:24] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-03-19 11:29:24] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:29:24] [INFO ] Added : 2 causal constraints over 1 iterations in 19 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Product exploration explored 100000 steps with 25022 reset in 36 ms.
Product exploration explored 100000 steps with 24945 reset in 62 ms.
Support contains 2 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-19 11:29:24] [INFO ] Invariant cache hit.
[2023-03-19 11:29:24] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 11:29:24] [INFO ] Invariant cache hit.
[2023-03-19 11:29:24] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-19 11:29:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:29:24] [INFO ] Invariant cache hit.
[2023-03-19 11:29:24] [INFO ] Dead Transitions using invariants and state equation in 15 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 5/5 places, 4/4 transitions.
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-15 finished in 1259 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)))'
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||X(p0))))'
[2023-03-19 11:29:24] [INFO ] Flatten gal took : 4 ms
[2023-03-19 11:29:24] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2023-03-19 11:29:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 0 ms.
Total runtime 9200 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC05000vD
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability

BK_STOP 1679225380660

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 TwoPhaseLocking-PT-nC05000vD-LTLFireability-04
lola: time limit : 1800 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
TwoPhaseLocking-PT-nC05000vD-LTLFireability-04: LTL 0 0 1 0 1 0 0 0
TwoPhaseLocking-PT-nC05000vD-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 5/1800 22/32 TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 3310985 m, 662197 m/sec, 5892527 t fired, .

Time elapsed: 5 secs. Pages in use: 22
# running tasks: 1 of 4 Visible: 2
lola: CANCELED task # 1 (type EXCL) for TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 (memory limit exceeded)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
TwoPhaseLocking-PT-nC05000vD-LTLFireability-04: LTL 0 0 0 0 1 0 1 0
TwoPhaseLocking-PT-nC05000vD-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

Time elapsed: 10 secs. Pages in use: 32
# running tasks: 1 of 4 Visible: 2
lola: LAUNCH task # 4 (type EXCL) for 3 TwoPhaseLocking-PT-nC05000vD-LTLFireability-15
lola: time limit : 3590 sec
lola: memory limit: 32 pages
lola: CANCELED task # 4 (type EXCL) for TwoPhaseLocking-PT-nC05000vD-LTLFireability-15 (memory limit exceeded)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
TwoPhaseLocking-PT-nC05000vD-LTLFireability-04: LTL 0 0 0 0 1 0 1 0
TwoPhaseLocking-PT-nC05000vD-LTLFireability-15: LTL 0 0 0 0 1 0 1 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

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# running tasks: 1 of 4 Visible: 2
lola: Portfolio finished: no open tasks 2

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
TwoPhaseLocking-PT-nC05000vD-LTLFireability-04: LTL unknown AGGR
TwoPhaseLocking-PT-nC05000vD-LTLFireability-15: LTL unknown AGGR


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Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="TwoPhaseLocking-PT-nC05000vD"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is TwoPhaseLocking-PT-nC05000vD, 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 r487-tall-167912703700916"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC05000vD.tgz
mv TwoPhaseLocking-PT-nC05000vD 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 ;