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-167912703600828.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-nC00050vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703600828
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 7.3K Feb 25 17:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Feb 25 17:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 17:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 25 17:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 17:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 25 17:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 115K Feb 25 17:38 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-nC00050vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00050vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679223917000

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-nC00050vN
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 11:05:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 11:05:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 11:05:18] [INFO ] Load time of PNML (sax parser for PT used): 17 ms
[2023-03-19 11:05:18] [INFO ] Transformed 8 places.
[2023-03-19 11:05:18] [INFO ] Transformed 6 transitions.
[2023-03-19 11:05:18] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 74 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-nC00050vN-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-14 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 11:05:18] [INFO ] Computed 3 place invariants in 3 ms
[2023-03-19 11:05:18] [INFO ] Implicit Places using invariants in 295 ms returned []
[2023-03-19 11:05:19] [INFO ] Invariant cache hit.
[2023-03-19 11:05:19] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
[2023-03-19 11:05:19] [INFO ] Invariant cache hit.
[2023-03-19 11:05:19] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 403 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-19 11:05:19] [INFO ] Flatten gal took : 12 ms
[2023-03-19 11:05:19] [INFO ] Flatten gal took : 2 ms
[2023-03-19 11:05:19] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 268 steps, including 0 resets, run visited all 11 properties in 8 ms. (steps per millisecond=33 )
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!(G(F(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 5 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 11:05:19] [INFO ] Computed 3 place invariants in 8 ms
[2023-03-19 11:05:19] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 11:05:19] [INFO ] Invariant cache hit.
[2023-03-19 11:05:19] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 11:05:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:19] [INFO ] Invariant cache hit.
[2023-03-19 11:05:19] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 187 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-01 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 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 4135 reset in 200 ms.
Stack based approach found an accepted trace after 39 steps with 2 reset with depth 12 and stack size 12 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-01 finished in 551 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U p1))'
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 1 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 11:05:20] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:20] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-19 11:05:20] [INFO ] Invariant cache hit.
[2023-03-19 11:05:20] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2023-03-19 11:05:20] [INFO ] Invariant cache hit.
[2023-03-19 11:05:20] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 114 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(LT s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 15128 reset in 112 ms.
Product exploration explored 100000 steps with 15092 reset in 188 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) p0), (X (AND (NOT p1) p0)), (X p0), (X (X (AND (NOT p1) p0))), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 325 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Finished random walk after 105 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=35 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X p0), (X (X (AND (NOT p1) p0))), true, (X (X p0))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p0))), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 242 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Stuttering acceptance computed with spot in 82 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
[2023-03-19 11:05:21] [INFO ] Invariant cache hit.
[2023-03-19 11:05:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-19 11:05:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:21] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:05:21] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Could not prove EG (NOT 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 11:05:21] [INFO ] Invariant cache hit.
[2023-03-19 11:05:21] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:05:21] [INFO ] Invariant cache hit.
[2023-03-19 11:05:21] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-19 11:05:21] [INFO ] Invariant cache hit.
[2023-03-19 11:05:21] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 84 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 p1) p0), (X (AND (NOT p1) p0)), (X p0), (X (X (AND (NOT p1) p0))), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 195 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Finished random walk after 105 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=52 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X p0), (X (X (AND (NOT p1) p0))), true, (X (X p0))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p0))), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 226 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Stuttering acceptance computed with spot in 122 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
[2023-03-19 11:05:22] [INFO ] Invariant cache hit.
[2023-03-19 11:05:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 11:05:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:22] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-19 11:05:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:22] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:22] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:05:22] [INFO ] Added : 1 causal constraints over 1 iterations in 21 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Product exploration explored 100000 steps with 15107 reset in 168 ms.
Product exploration explored 100000 steps with 15168 reset in 121 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
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 6
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:05:23] [INFO ] Redundant transitions in 1 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:05:23] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:23] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 6/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38 ms. Remains : 8/8 places, 6/6 transitions.
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 11:05:23] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:05:23] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:05:23] [INFO ] Invariant cache hit.
[2023-03-19 11:05:23] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:05:23] [INFO ] Invariant cache hit.
[2023-03-19 11:05:23] [INFO ] Dead Transitions using invariants and state equation in 65 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 110 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-02 finished in 3431 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))'
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
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 11:05:23] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-19 11:05:23] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-19 11:05:23] [INFO ] Invariant cache hit.
[2023-03-19 11:05:23] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2023-03-19 11:05:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:23] [INFO ] Invariant cache hit.
[2023-03-19 11:05:23] [INFO ] Dead Transitions using invariants and state equation in 16 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 98 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 70 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LT s2 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 10295 reset in 63 ms.
Product exploration explored 100000 steps with 10236 reset in 49 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), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 101 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 27 ms :[p0]
Finished random walk after 79 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=79 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 150 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 41 ms :[p0]
Stuttering acceptance computed with spot in 30 ms :[p0]
[2023-03-19 11:05:24] [INFO ] Invariant cache hit.
[2023-03-19 11:05:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:24] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:24] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-03-19 11:05:24] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:05:24] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG p0
Support contains 1 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 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:24] [INFO ] Invariant cache hit.
[2023-03-19 11:05:24] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-19 11:05:24] [INFO ] Invariant cache hit.
[2023-03-19 11:05:24] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-19 11:05:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:24] [INFO ] Invariant cache hit.
[2023-03-19 11:05:24] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 150 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 82 ms :[p0]
Finished random walk after 79 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=79 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 116 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 67 ms :[p0]
Stuttering acceptance computed with spot in 35 ms :[p0]
[2023-03-19 11:05:24] [INFO ] Invariant cache hit.
[2023-03-19 11:05:24] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 11:05:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:24] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 11:05:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:24] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:24] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:24] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 44 ms :[p0]
Product exploration explored 100000 steps with 10160 reset in 43 ms.
Product exploration explored 100000 steps with 10309 reset in 62 ms.
Support contains 1 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 3 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-19 11:05:25] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [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 83 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-04 finished in 1679 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((X(X((((G(p1)&&p0) U p2) U p3))) U 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 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 11:05:25] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Dead Transitions using invariants and state equation in 25 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 254 ms :[(NOT p3), (NOT p3), (NOT p3), true, (NOT p1), (NOT p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p3), acceptance={} source=0 dest: 1}], [{ cond=(NOT p3), acceptance={0} source=1 dest: 1}, { cond=true, acceptance={0} source=1 dest: 2}], [{ cond=(OR (AND (NOT p3) p2) (AND (NOT p3) p0 p1)), acceptance={0} source=2 dest: 2}, { cond=(OR (AND (NOT p3) (NOT p2) (NOT p0)) (AND (NOT p3) (NOT p2) (NOT p1))), acceptance={0} source=2 dest: 3}, { cond=(AND (NOT p3) (NOT p2) p0 p1), acceptance={0} source=2 dest: 4}, { cond=(AND (NOT p3) (NOT p2) p0 p1), acceptance={0} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}], [{ cond=(OR (AND (NOT p2) (NOT p0)) (AND (NOT p2) (NOT p1))), acceptance={0} source=5 dest: 3}, { cond=(AND (NOT p2) p0 p1), acceptance={0} source=5 dest: 4}, { cond=(AND (NOT p2) p0 p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p3:(AND (GEQ s3 1) (GEQ s4 1)), p2:(GEQ s6 1), p0:(AND (GEQ s0 1) (GEQ s1 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, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 18 steps with 1 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-05 finished in 348 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(p0)&&p1))||(!(p1 U p2)&&G(X(!p2)))))'
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 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:25] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 318 ms :[(NOT p0), true, (OR (NOT p1) (NOT p0)), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND p2 (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 1}], [{ cond=p2, acceptance={} source=3 dest: 2}, { cond=(NOT p2), acceptance={} source=3 dest: 5}], [{ cond=p2, acceptance={} source=4 dest: 1}, { cond=(NOT p2), acceptance={} source=4 dest: 4}], [{ cond=(AND p1 p2), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p1) p2), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=5 dest: 4}, { cond=(AND p1 (NOT p2)), acceptance={} source=5 dest: 6}], [{ cond=(AND p2 (NOT p0)), acceptance={} source=6 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=6 dest: 4}]], initial=3, aps=[p0:(GEQ s6 1), p1:(GEQ s7 1), p2:(GEQ s2 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, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-06 finished in 415 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))'
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
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 11:05:25] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:05:25] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:05:25] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:05:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:26] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [INFO ] Dead Transitions using invariants and state equation in 18 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 77 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 36 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LT s2 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 10259 reset in 60 ms.
Product exploration explored 100000 steps with 10281 reset in 61 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), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 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 31 ms :[p0]
Finished random walk after 81 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=81 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 117 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 40 ms :[p0]
Stuttering acceptance computed with spot in 41 ms :[p0]
[2023-03-19 11:05:26] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:26] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:26] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:26] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:26] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG p0
Support contains 1 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 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:26] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:05:26] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [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 11:05:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:26] [INFO ] Invariant cache hit.
[2023-03-19 11:05:26] [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 70 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 118 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 34 ms :[p0]
Finished random walk after 79 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=79 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 120 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 27 ms :[p0]
Stuttering acceptance computed with spot in 38 ms :[p0]
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:27] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:05:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:27] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:27] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:27] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 44 ms :[p0]
Product exploration explored 100000 steps with 10207 reset in 51 ms.
Product exploration explored 100000 steps with 10234 reset in 82 ms.
Support contains 1 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 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:05:27] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [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 70 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-07 finished in 1448 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))))'
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 11:05:27] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2023-03-19 11:05:27] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Dead Transitions using invariants and state equation in 18 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 64 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 84 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s6 1), p1:(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-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 76 ms.
Stack based approach found an accepted trace after 425 steps with 0 reset with depth 426 and stack size 406 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-08 finished in 240 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((G(p1)&&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 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 11:05:27] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-19 11:05:27] [INFO ] Invariant cache hit.
[2023-03-19 11:05:27] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 74 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 158 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s6 1) (GEQ s2 1)), p1:(AND (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], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 92 ms.
Stack based approach found an accepted trace after 22 steps with 0 reset with depth 23 and stack size 23 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-09 finished in 348 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(!p0)&&(!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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:05:28] [INFO ] Invariant cache hit.
[2023-03-19 11:05:28] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 11:05:28] [INFO ] Invariant cache hit.
[2023-03-19 11:05:28] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-19 11:05:28] [INFO ] Invariant cache hit.
[2023-03-19 11:05:28] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 200 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 3}, { cond=p0, acceptance={0} source=2 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}, { cond=(NOT p1), acceptance={0} source=4 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LT s2 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 20122 reset in 61 ms.
Product exploration explored 100000 steps with 20139 reset in 69 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), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 328 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 113 steps, including 0 resets, run visited all 5 properties in 5 ms. (steps per millisecond=22 )
Knowledge obtained : [(AND p0 p1), (X p0), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p1)), (F (AND (NOT p0) p1)), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 8 factoid took 455 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 167 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-19 11:05:29] [INFO ] Invariant cache hit.
[2023-03-19 11:05:29] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:29] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:29] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:29] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:05:29] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:05:29] [INFO ] Invariant cache hit.
[2023-03-19 11:05:29] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:05:29] [INFO ] Invariant cache hit.
[2023-03-19 11:05:29] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:05:29] [INFO ] Invariant cache hit.
[2023-03-19 11:05:29] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63 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 p0 p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 215 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 113 steps, including 0 resets, run visited all 5 properties in 3 ms. (steps per millisecond=37 )
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p1)), (F (AND (NOT p0) p1)), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 597 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 152 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:31] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 11:05:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:31] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:05:31] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-19 11:05:31] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 175 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 6749 reset in 63 ms.
Product exploration explored 100000 steps with 6691 reset in 60 ms.
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 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-10 finished in 3718 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 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 1 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 11:05:31] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 11:05:31] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 77 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 54 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-11 finished in 192 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&&F(G(!p1))))||G(F(p2)))))'
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.
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 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 11:05:31] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 11:05:31] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:31] [INFO ] Invariant cache hit.
[2023-03-19 11:05:32] [INFO ] Dead Transitions using invariants and state equation in 30 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 95 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND (NOT p2) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s6 1), p2:(OR (AND (GEQ s0 1) (GEQ s1 1)) (LT s6 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 413 reset in 73 ms.
Product exploration explored 100000 steps with 358 reset in 75 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) p2 p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 441 ms. Reduced automaton from 3 states, 8 edges and 3 AP (stutter insensitive) to 3 states, 8 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 131 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND (NOT p2) p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 11:05:32] [INFO ] Invariant cache hit.
[2023-03-19 11:05:32] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p2) p1)))), (G (NOT (AND (NOT p0) (NOT p2))))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (AND (NOT p1) (NOT p2))), (F (AND p0 (NOT p2))), (F (AND p0 p1 (NOT p2)))]
Knowledge based reduction with 12 factoid took 512 ms. Reduced automaton from 3 states, 8 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 74 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Support contains 4 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 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:33] [INFO ] Invariant cache hit.
[2023-03-19 11:05:33] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:05:33] [INFO ] Invariant cache hit.
[2023-03-19 11:05:33] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-19 11:05:33] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:33] [INFO ] Invariant cache hit.
[2023-03-19 11:05:33] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 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 : [(AND p1 p2), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 167 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Finished random walk after 83 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=27 )
Knowledge obtained : [(AND p1 p2), (X (NOT (AND p1 (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 5 factoid took 218 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 67 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 69 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2))]
Product exploration explored 100000 steps with 391 reset in 62 ms.
Product exploration explored 100000 steps with 358 reset in 68 ms.
Support contains 4 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 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:34] [INFO ] Invariant cache hit.
[2023-03-19 11:05:34] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:05:34] [INFO ] Invariant cache hit.
[2023-03-19 11:05:34] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 11:05:34] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:34] [INFO ] Invariant cache hit.
[2023-03-19 11:05:34] [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 77 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-13 finished in 2747 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G((F(G(!p2))&&p1))||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 3 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 11:05:34] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:05:34] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:05:34] [INFO ] Invariant cache hit.
[2023-03-19 11:05:34] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:05:34] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:34] [INFO ] Invariant cache hit.
[2023-03-19 11:05:34] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 72 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), true, p2, (OR (NOT p1) p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p2), acceptance={} source=2 dest: 2}, { cond=p2, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 1}, { cond=(AND p1 p2), acceptance={} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s5 1)), p1:(AND (GEQ s3 1) (GEQ s5 1)), p2:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, 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 64 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-15 finished in 277 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U p1))'
Found a Lengthening insensitive property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-02
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p1), (OR (NOT p0) (NOT p1))]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_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 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 11:05:35] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:05:35] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:05:35] [INFO ] Invariant cache hit.
[2023-03-19 11:05:35] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-19 11:05:35] [INFO ] Invariant cache hit.
[2023-03-19 11:05:35] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 76 ms. Remains : 7/8 places, 5/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(LT s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 24987 reset in 58 ms.
Product exploration explored 100000 steps with 24992 reset in 55 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) p0), (X (AND (NOT p1) p0)), (X p0), true, (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0))))]
Knowledge based reduction with 5 factoid took 235 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Finished random walk after 81 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=40 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X p0), true, (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (F (NOT (AND (NOT p1) p0))), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 365 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 85 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
[2023-03-19 11:05:36] [INFO ] Invariant cache hit.
[2023-03-19 11:05:36] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:05:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:36] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:05:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:36] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:36] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:36] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in 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 11:05:36] [INFO ] Invariant cache hit.
[2023-03-19 11:05:36] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:05:36] [INFO ] Invariant cache hit.
[2023-03-19 11:05:36] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 11:05:36] [INFO ] Invariant cache hit.
[2023-03-19 11:05:36] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 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 : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X p0), true, (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0))))]
Knowledge based reduction with 5 factoid took 213 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Finished random walk after 81 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=81 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X p0), true, (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (F (NOT (AND (NOT p1) p0))), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 304 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Stuttering acceptance computed with spot in 84 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
[2023-03-19 11:05:37] [INFO ] Invariant cache hit.
[2023-03-19 11:05:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:37] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:05:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:05:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:37] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:37] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:37] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Product exploration explored 100000 steps with 24953 reset in 56 ms.
Product exploration explored 100000 steps with 25028 reset in 53 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
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 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:37] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:05:37] [INFO ] Invariant cache hit.
[2023-03-19 11:05:37] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 29 ms. Remains : 7/7 places, 5/5 transitions.
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:37] [INFO ] Invariant cache hit.
[2023-03-19 11:05:37] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:05:37] [INFO ] Invariant cache hit.
[2023-03-19 11:05:37] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-19 11:05:37] [INFO ] Invariant cache hit.
[2023-03-19 11:05:37] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-02 finished in 2800 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))'
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))'
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(!p0)&&(!p0||X(X(G(p1)))))))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-10
Stuttering acceptance computed with spot in 206 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_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 3 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
[2023-03-19 11:05:38] [INFO ] Invariant cache hit.
[2023-03-19 11:05:38] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:05:38] [INFO ] Invariant cache hit.
[2023-03-19 11:05:38] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 11:05:38] [INFO ] Invariant cache hit.
[2023-03-19 11:05:38] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 73 ms. Remains : 7/8 places, 5/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00050vN-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 3}, { cond=p0, acceptance={0} source=2 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}, { cond=(NOT p1), acceptance={0} source=4 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LT s2 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 20301 reset in 64 ms.
Product exploration explored 100000 steps with 20428 reset in 68 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), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 349 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 102 steps, including 0 resets, run visited all 5 properties in 2 ms. (steps per millisecond=51 )
Knowledge obtained : [(AND p0 p1), (X p0), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p1)), (F (AND (NOT p0) p1)), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 8 factoid took 452 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 138 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-19 11:05:39] [INFO ] Invariant cache hit.
[2023-03-19 11:05:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:39] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:05:39] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:05:39] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG p0
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in 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 11:05:39] [INFO ] Invariant cache hit.
[2023-03-19 11:05:39] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:05:39] [INFO ] Invariant cache hit.
[2023-03-19 11:05:39] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-19 11:05:39] [INFO ] Invariant cache hit.
[2023-03-19 11:05:39] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 77 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 : [(AND p0 p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 216 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 105 steps, including 0 resets, run visited all 5 properties in 2 ms. (steps per millisecond=52 )
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (AND p0 p1)))]
False Knowledge obtained : [(F (NOT p1)), (F (AND (NOT p0) p1)), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 312 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 249 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
[2023-03-19 11:05:40] [INFO ] Invariant cache hit.
[2023-03-19 11:05:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:05:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:05:40] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-19 11:05:40] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:05:40] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 156 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 8796 reset in 65 ms.
Product exploration explored 100000 steps with 8864 reset in 58 ms.
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:05:41] [INFO ] Invariant cache hit.
[2023-03-19 11:05:41] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:05:41] [INFO ] Invariant cache hit.
[2023-03-19 11:05:41] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-19 11:05:41] [INFO ] Invariant cache hit.
[2023-03-19 11:05:41] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00050vN-LTLFireability-10 finished in 3449 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&&F(G(!p1))))||G(F(p2)))))'
[2023-03-19 11:05:41] [INFO ] Flatten gal took : 4 ms
[2023-03-19 11:05:41] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2023-03-19 11:05:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 1 ms.
Total runtime 22979 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC00050vN
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
LTLFireability

FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00050vN-LTLFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679223943273

--------------------
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/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/375/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 TwoPhaseLocking-PT-nC00050vN-LTLFireability-02
lola: time limit : 720 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 1 (type EXCL) for TwoPhaseLocking-PT-nC00050vN-LTLFireability-02
lola: result : true
lola: markings : 1351
lola: fired transitions : 1950
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 16 (type EXCL) for 6 TwoPhaseLocking-PT-nC00050vN-LTLFireability-07
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: FINISHED task # 16 (type EXCL) for TwoPhaseLocking-PT-nC00050vN-LTLFireability-07
lola: result : false
lola: markings : 1051
lola: fired transitions : 1674
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 10 (type EXCL) for 9 TwoPhaseLocking-PT-nC00050vN-LTLFireability-10
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: FINISHED task # 10 (type EXCL) for TwoPhaseLocking-PT-nC00050vN-LTLFireability-10
lola: result : false
lola: markings : 105
lola: fired transitions : 105
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 15 (type EXCL) for 3 TwoPhaseLocking-PT-nC00050vN-LTLFireability-04
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 15 (type EXCL) for TwoPhaseLocking-PT-nC00050vN-LTLFireability-04
lola: result : false
lola: markings : 1051
lola: fired transitions : 1674
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 13 (type EXCL) for 12 TwoPhaseLocking-PT-nC00050vN-LTLFireability-13
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 13 (type EXCL) for TwoPhaseLocking-PT-nC00050vN-LTLFireability-13
lola: result : true
lola: markings : 185769
lola: fired transitions : 1119486
lola: time used : 1.000000
lola: memory pages used : 2
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
TwoPhaseLocking-PT-nC00050vN-LTLFireability-02: LTL true LTL model checker
TwoPhaseLocking-PT-nC00050vN-LTLFireability-04: F true state space / EG
TwoPhaseLocking-PT-nC00050vN-LTLFireability-07: F true state space / EG
TwoPhaseLocking-PT-nC00050vN-LTLFireability-10: LTL false LTL model checker
TwoPhaseLocking-PT-nC00050vN-LTLFireability-13: LTL true LTL model checker


Time elapsed: 1 secs. Pages in use: 2

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-nC00050vN"
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-nC00050vN, 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-167912703600828"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00050vN.tgz
mv TwoPhaseLocking-PT-nC00050vN 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 ;