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-167912703600836.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-nC00100vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703600836
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 7.2K Feb 25 17:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 25 17:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 17:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 17:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Feb 25 17:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 17:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Feb 25 17:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:23 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-nC00100vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00100vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679223974008

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-nC00100vD
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 11:06:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 11:06:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 11:06:15] [INFO ] Load time of PNML (sax parser for PT used): 17 ms
[2023-03-19 11:06:15] [INFO ] Transformed 8 places.
[2023-03-19 11:06:15] [INFO ] Transformed 6 transitions.
[2023-03-19 11:06:15] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 72 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-nC00100vD-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-14 TRUE 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 8 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 11:06:15] [INFO ] Computed 3 place invariants in 4 ms
[2023-03-19 11:06:16] [INFO ] Implicit Places using invariants in 283 ms returned []
[2023-03-19 11:06:16] [INFO ] Invariant cache hit.
[2023-03-19 11:06:16] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
[2023-03-19 11:06:16] [INFO ] Invariant cache hit.
[2023-03-19 11:06:16] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 378 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-19 11:06:16] [INFO ] Flatten gal took : 15 ms
[2023-03-19 11:06:16] [INFO ] Flatten gal took : 3 ms
[2023-03-19 11:06:16] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 3738 steps, including 12 resets, run visited all 14 properties in 19 ms. (steps per millisecond=196 )
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((G((p0||(p1&&F(p2))))||G(!p0))))'
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 3 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:06:16] [INFO ] Invariant cache hit.
[2023-03-19 11:06:16] [INFO ] Implicit Places using invariants in 31 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in SI_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 SI_LTL mode , in 2 iterations and 37 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 182 ms :[false, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2)), acceptance={1} source=1 dest: 1}]], initial=0, aps=[p0:(LT s2 1), p1:(LT s5 1), p2:(OR (LT s0 1) (LT s1 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 251 reset in 208 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-nC00100vD-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-00 finished in 475 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 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 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 11:06:17] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:06:17] [INFO ] Implicit Places using invariants in 32 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 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 0 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 41 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 23522 steps with 0 reset in 45 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-01 finished in 141 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&&G(F(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.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:06:17] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:06:17] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:06:17] [INFO ] Invariant cache hit.
[2023-03-19 11:06:17] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-19 11:06:17] [INFO ] Invariant cache hit.
[2023-03-19 11:06:17] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 91 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 319 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=p0, acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(GEQ s7 1), p1:(OR (LT s3 1) (LT s5 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 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-02 finished in 431 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p1))&&G(p2)&&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 11:06:17] [INFO ] Invariant cache hit.
[2023-03-19 11:06:17] [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 25 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 200 ms :[(NOT p2), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p1) (NOT p0)), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 4}], [{ cond=(AND p2 p1), acceptance={0} source=1 dest: 0}, { cond=(AND p2 (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(NOT p2), acceptance={0} source=1 dest: 4}], [{ cond=(AND p0 p2), acceptance={} source=2 dest: 1}, { cond=(OR (NOT p0) (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=3, aps=[p2:(OR (LT s5 1) (LT s0 1) (LT s1 1)), p1:(OR (LT s0 1) (LT s1 1)), p0:(AND (LT s5 1) (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-03 finished in 239 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((F(p1)||G(p0))))))'
Support contains 4 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 11:06:17] [INFO ] Invariant cache hit.
[2023-03-19 11:06:18] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:06:18] [INFO ] Invariant cache hit.
[2023-03-19 11:06:18] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-19 11:06:18] [INFO ] Invariant cache hit.
[2023-03-19 11:06:18] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 167 ms :[true, (NOT p1), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 4}]], initial=2, aps=[p1:(OR (AND (GEQ s3 1) (GEQ s5 1)) (GEQ s2 1)), p0:(LT s6 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, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 72 ms.
Product exploration explored 100000 steps with 33333 reset in 74 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 p1 p0), (X p0), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT (AND (NOT p0) (NOT p1)))))
Knowledge based reduction with 5 factoid took 133 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-04 finished in 543 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(G(p0))&&F(!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 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 2 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 11:06:18] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:06:18] [INFO ] Implicit Places using invariants in 20 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21 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 25 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 117 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s1 1)), p1:(LT s2 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 22 reset in 139 ms.
Stack based approach found an accepted trace after 53 steps with 4 reset with depth 26 and stack size 26 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-05 finished in 298 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)||((!p1&&G(p0)) U G(p2)))))'
Support contains 4 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 11:06:18] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:06:18] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 11:06:18] [INFO ] Invariant cache hit.
[2023-03-19 11:06:18] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 11:06:18] [INFO ] Invariant cache hit.
[2023-03-19 11:06:18] [INFO ] Dead Transitions using invariants and state equation in 19 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 144 ms :[(AND p0 (NOT p2)), (AND p0 (NOT p2)), p0, (AND p0 (NOT p2))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p2 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 2}, { cond=(AND p0 p2 p1), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s5 1)), p2:(GEQ s7 1), p1:(LT s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 54 ms.
Product exploration explored 100000 steps with 50000 reset in 66 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p0 p2 (NOT p1)))), (X (NOT (AND p0 p2 p1))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT p0)))
Knowledge based reduction with 12 factoid took 306 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-06 finished in 663 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((X(!p1)||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 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-19 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 131 ms :[true, p1, (AND p1 (NOT p0)), (AND (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p1, acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(LT s6 1), p0:(OR (LT s6 1) (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, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 579 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-07 finished in 218 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 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Implicit Places using invariants in 23 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 26 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 79 ms :[true, p0, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-08 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:(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][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-08 finished in 122 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||X(F(!p1))) U (G((p0||X(F(!p1))))||(p2&&(p0||X(F(!p1)))))))'
Support contains 4 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 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-19 11:06:19] [INFO ] Invariant cache hit.
[2023-03-19 11:06:19] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) p1), p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p2:(OR (LT s3 1) (LT s5 1)), p0:(LT s6 1), p1:(LT s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 6710 reset in 65 ms.
Product exploration explored 100000 steps with 6756 reset in 76 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 p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 290 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) p1), p1]
Finished random walk after 205 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=102 )
Knowledge obtained : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p2), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 332 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) p1), p1]
Support contains 4 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 11:06:20] [INFO ] Invariant cache hit.
[2023-03-19 11:06:20] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 11:06:20] [INFO ] Invariant cache hit.
[2023-03-19 11:06:21] [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 11:06:21] [INFO ] Invariant cache hit.
[2023-03-19 11:06:21] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70 ms. Remains : 8/8 places, 6/6 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 : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 264 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) p1), p1]
Finished random walk after 410 steps, including 1 resets, run visited all 3 properties in 5 ms. (steps per millisecond=82 )
Knowledge obtained : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p2), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 385 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 87 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) p1), p1]
Product exploration explored 100000 steps with 6761 reset in 118 ms.
Product exploration explored 100000 steps with 6703 reset in 71 ms.
Applying partial POR strategy [false, true]
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) p1), 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 11:06:22] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 4 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 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-09 finished in 2752 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((X(!p0)||(X((!p2 U (p3||G(!p2))))&&p1)))))'
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 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-19 11:06:22] [INFO ] Invariant cache hit.
[2023-03-19 11:06:22] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 166 ms :[(OR (AND p0 p2 (NOT p3)) (AND p0 (NOT p1))), (OR (AND p0 p2 (NOT p3)) (AND p0 (NOT p1))), (OR (AND p0 p2 (NOT p3)) (AND p0 (NOT p1))), (AND p0 p2 (NOT p3))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=p1, acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p1) p0 (NOT p3) p2), acceptance={0} source=3 dest: 2}, { cond=(AND p0 (NOT p3) (NOT p2)), acceptance={} source=3 dest: 3}, { cond=(AND p1 p0 (NOT p3) p2), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (LT s6 1) (OR (LT s3 1) (LT s5 1))), p0:(GEQ s7 1), p3:(AND (GEQ s3 1) (GEQ s4 1)), p2:(OR (GEQ s6 1) (AND (GEQ s3 1) (GEQ s5 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 60 ms.
Product exploration explored 100000 steps with 33333 reset in 54 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) (NOT p3) p2), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0 (NOT p3) p2)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 p0 (NOT p3) p2)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p0 (NOT p3) (NOT p2)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p1) (NOT p0) (NOT p3) p2)
Knowledge based reduction with 7 factoid took 198 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-10 finished in 563 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)&&X(((p0 U (p1||G(p0))) U G(!p2))))))'
Support contains 4 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 11:06:23] [INFO ] Invariant cache hit.
[2023-03-19 11:06:23] [INFO ] Implicit Places using invariants in 19 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 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 22 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 248 ms :[(OR p0 p2), (OR p2 p0), true, p0, p2, p2, (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 2}, { cond=(NOT p0), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(OR (AND p0 (NOT p2)) (AND (NOT p2) p1)), acceptance={} source=4 dest: 4}, { cond=(OR (AND p0 p2) (AND p2 p1)), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=4 dest: 5}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=p2, acceptance={} source=5 dest: 2}, { cond=(NOT p2), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=6 dest: 2}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s1 1)), p2:(LT s2 1), p1:(AND (OR (LT s0 1) (LT s1 1)) (LT s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 12 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-11 finished in 288 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(X(F(F((F((X(p0) U p1))||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 11:06:23] [INFO ] Invariant cache hit.
[2023-03-19 11:06:23] [INFO ] Implicit Places using invariants in 20 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21 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 21 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1)), p1:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 51 ms.
Product exploration explored 100000 steps with 50000 reset in 52 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 2 factoid took 95 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-15 finished in 313 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||X(F(!p1))) U (G((p0||X(F(!p1))))||(p2&&(p0||X(F(!p1)))))))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-09
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) p1), p1]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_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 11:06:23] [INFO ] Invariant cache hit.
[2023-03-19 11:06:23] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:06:23] [INFO ] Invariant cache hit.
[2023-03-19 11:06:23] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-19 11:06:23] [INFO ] Invariant cache hit.
[2023-03-19 11:06:23] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 77 ms. Remains : 8/8 places, 6/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vD-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p2:(OR (LT s3 1) (LT s5 1)), p0:(LT s6 1), p1:(LT s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 6715 reset in 63 ms.
Product exploration explored 100000 steps with 6766 reset in 72 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 p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 328 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) p1), p1]
Finished random walk after 205 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=102 )
Knowledge obtained : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p2), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 340 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) p1), p1]
Support contains 4 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 11:06:25] [INFO ] Invariant cache hit.
[2023-03-19 11:06:25] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:06:25] [INFO ] Invariant cache hit.
[2023-03-19 11:06:25] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-19 11:06:25] [INFO ] Invariant cache hit.
[2023-03-19 11:06:25] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 8/8 places, 6/6 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 : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 6 factoid took 278 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) p1), p1]
Finished random walk after 1025 steps, including 4 resets, run visited all 3 properties in 3 ms. (steps per millisecond=341 )
Knowledge obtained : [(AND (NOT p2) p0 p1), (X p0), (X (NOT p2)), (X p1), (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p2), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 322 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) p1), p1]
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) p1), p1]
Product exploration explored 100000 steps with 6742 reset in 65 ms.
Product exploration explored 100000 steps with 6680 reset in 71 ms.
Applying partial POR strategy [false, true]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) p1), 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 11:06:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:06:26] [INFO ] Invariant cache hit.
[2023-03-19 11:06:26] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 33 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 4 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 11:06:26] [INFO ] Invariant cache hit.
[2023-03-19 11:06:26] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-19 11:06:26] [INFO ] Invariant cache hit.
[2023-03-19 11:06:26] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-19 11:06:26] [INFO ] Invariant cache hit.
[2023-03-19 11:06:26] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00100vD-LTLFireability-09 finished in 2714 ms.
[2023-03-19 11:06:26] [INFO ] Flatten gal took : 1 ms
[2023-03-19 11:06:26] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-19 11:06:26] [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 10969 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC00100vD
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/364
LTLFireability

FORMULA TwoPhaseLocking-PT-nC00100vD-LTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679223988351

--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/364/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/364/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/364/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 1 (type EXCL) for 0 TwoPhaseLocking-PT-nC00100vD-LTLFireability-09
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for TwoPhaseLocking-PT-nC00100vD-LTLFireability-09
lola: result : false
lola: markings : 627502
lola: fired transitions : 1476428
lola: time used : 1.000000
lola: memory pages used : 5
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
TwoPhaseLocking-PT-nC00100vD-LTLFireability-09: LTL false LTL model checker


Time elapsed: 1 secs. Pages in use: 5

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-nC00100vD"
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-nC00100vD, 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-167912703600836"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00100vD.tgz
mv TwoPhaseLocking-PT-nC00100vD 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 ;