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-167912703600852.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-nC00200vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703600852
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 9.2K Feb 25 17:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 25 17:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 17:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 17:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 17:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 17:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 17:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Feb 25 17:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 17:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 17:52 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-nC00200vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679224320766

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-nC00200vD
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 11:12:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 11:12:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 11:12:02] [INFO ] Load time of PNML (sax parser for PT used): 18 ms
[2023-03-19 11:12:02] [INFO ] Transformed 8 places.
[2023-03-19 11:12:02] [INFO ] Transformed 6 transitions.
[2023-03-19 11:12:02] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 75 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-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 8 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:12:02] [INFO ] Computed 3 place invariants in 6 ms
[2023-03-19 11:12:02] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-19 11:12:02] [INFO ] Invariant cache hit.
[2023-03-19 11:12:02] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2023-03-19 11:12:02] [INFO ] Invariant cache hit.
[2023-03-19 11:12:02] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 214 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-19 11:12:02] [INFO ] Flatten gal took : 12 ms
[2023-03-19 11:12:02] [INFO ] Flatten gal took : 2 ms
[2023-03-19 11:12:02] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 1620 steps, including 3 resets, run visited all 9 properties in 11 ms. (steps per millisecond=147 )
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-08 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' '!(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 6 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 11:12:03] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:12:03] [INFO ] Implicit Places using invariants in 29 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 37 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 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 s4 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 20648 steps with 0 reset in 68 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 finished in 296 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((G(X(G(p0)))||(F(p0) U G(p1)))) U p1))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:12:03] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:12:03] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 225 ms :[(NOT p1), (NOT p1), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}, { cond=(NOT p0), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 2}, { cond=p1, acceptance={} source=4 dest: 4}, { cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(AND (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 12 reset in 178 ms.
Stack based approach found an accepted trace after 3404 steps with 0 reset with depth 3405 and stack size 3325 in 6 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 finished in 463 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 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 11:12:04] [INFO ] Invariant cache hit.
[2023-03-19 11:12:04] [INFO ] Implicit Places using invariants in 27 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 497 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 7491 reset in 63 ms.
Product exploration explored 100000 steps with 7510 reset in 114 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 125 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Finished random walk after 405 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=135 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 112 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 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
// Phase 1: matrix 6 rows 7 cols
[2023-03-19 11:12:05] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 11:12:05] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:12:05] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 11:12:05] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 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 7 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 6 transition count 5
Applied a total of 2 rules in 1 ms. Remains 6 /7 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 6 cols
[2023-03-19 11:12:05] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 11:12:05] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [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 11:12:05] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/7 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 ms. Remains : 6/7 places, 5/6 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 88 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 29 ms :[(NOT p0)]
Finished random walk after 608 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=304 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 131 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 :[(NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:05] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:12:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:12:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:05] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:12:05] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:12:05] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10248 reset in 74 ms.
Product exploration explored 100000 steps with 10222 reset in 95 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-19 11:12:05] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:12:05] [INFO ] Invariant cache hit.
[2023-03-19 11:12:05] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 87 ms. Remains : 6/6 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 finished in 1967 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 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 11:12:06] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:12:06] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:12:06] [INFO ] Invariant cache hit.
[2023-03-19 11:12:06] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 11:12:06] [INFO ] Invariant cache hit.
[2023-03-19 11:12:06] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 125 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 9828 steps with 0 reset in 15 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 finished in 232 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 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 2 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 11:12:06] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:12:06] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:12:06] [INFO ] Invariant cache hit.
[2023-03-19 11:12:06] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-19 11:12:06] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:12:06] [INFO ] Invariant cache hit.
[2023-03-19 11:12:06] [INFO ] Dead Transitions using invariants and state equation in 22 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 86 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 41 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 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 13 reset in 67 ms.
Stack based approach found an accepted trace after 25 steps with 0 reset with depth 26 and stack size 26 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 finished in 204 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
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.
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 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 11:12:06] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:12:06] [INFO ] Implicit Places using invariants in 28 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s2 1), p1:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 12213 reset in 58 ms.
Product exploration explored 100000 steps with 12115 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 : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 234 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Finished random walk after 912 steps, including 2 resets, run visited all 2 properties in 2 ms. (steps per millisecond=456 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1)]
Knowledge based reduction with 5 factoid took 290 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-19 11:12:07] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 11:12:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:07] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-19 11:12:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:12:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:07] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2023-03-19 11:12:07] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-19 11:12:07] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Could not prove EG (NOT p0)
[2023-03-19 11:12:07] [INFO ] Invariant cache hit.
Proved EG (NOT p1)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (G (NOT p1))]
Property proved to be false thanks to negative knowledge :(G (NOT p1))
Knowledge based reduction with 5 factoid took 155 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-05 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-05 finished in 1452 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((G(!p1)&&p0))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:12:07] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:12:07] [INFO ] Implicit Places using invariants in 28 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 211 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(OR (NOT p0) p1), acceptance={0} source=3 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={0} source=4 dest: 3}, { cond=(NOT p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s4 1)), p1:(GEQ s5 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, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 93 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 finished in 358 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0)) U (p0||X(p0))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 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 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 11:12:08] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:12:08] [INFO ] Implicit Places using invariants in 25 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 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 50000 reset in 57 ms.
Product exploration explored 100000 steps with 50000 reset in 40 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 108 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-09 finished in 295 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||(p0 U G((p1&&F(!p2)))))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:12:08] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:12:08] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:12:08] [INFO ] Invariant cache hit.
[2023-03-19 11:12:08] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-19 11:12:08] [INFO ] Invariant cache hit.
[2023-03-19 11:12:08] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 206 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (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-nC00200vD-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 2}, { cond=(AND p1 p2), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(GEQ s7 1), p1:(GEQ s2 1), p2:(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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-11 finished in 308 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X((p1||G(!p0))))) U p2))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:12:08] [INFO ] Invariant cache hit.
[2023-03-19 11:12:08] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 182 ms :[(NOT p2), (AND p0 (NOT p1)), false, true, (AND p0 p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 1}, { cond=(NOT p2), acceptance={0} source=0 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 p1), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p2:(OR (GEQ s2 1) (AND (GEQ s3 1) (GEQ s4 1))), p0:(GEQ s2 1), p1:(AND (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 116 steps with 28 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 finished in 235 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(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.
[2023-03-19 11:12:09] [INFO ] Invariant cache hit.
[2023-03-19 11:12:09] [INFO ] Implicit Places using invariants in 20 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-15 finished in 186 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-02
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_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 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 11:12:09] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:12:09] [INFO ] Implicit Places using invariants in 24 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 28 ms. Remains : 6/8 places, 5/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 10291 reset in 47 ms.
Product exploration explored 100000 steps with 10262 reset in 46 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Finished random walk after 912 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=456 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 132 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 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-19 11:12:10] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 11:12:10] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:10] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:12:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:12:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:10] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:12:10] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:12:10] [INFO ] Added : 2 causal constraints over 1 iterations in 2 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [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 11:12:10] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86 ms. Remains : 6/6 places, 5/5 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 124 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 29 ms :[(NOT p0)]
Finished random walk after 304 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=304 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F 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 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 11:12:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:10] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:12:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:12:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-19 11:12:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:12:10] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-19 11:12:10] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:12:10] [INFO ] Added : 2 causal constraints over 1 iterations in 2 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10249 reset in 51 ms.
Product exploration explored 100000 steps with 10215 reset in 53 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2023-03-19 11:12:10] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 11:12:10] [INFO ] Invariant cache hit.
[2023-03-19 11:12:10] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 102 ms. Remains : 6/6 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 finished in 1619 ms.
[2023-03-19 11:12:10] [INFO ] Flatten gal took : 1 ms
[2023-03-19 11:12:10] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-19 11:12:10] [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 8532 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC00200vD
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
LTLFireability

BK_STOP 1679224341974

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/LTLFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 TwoPhaseLocking-PT-nC00200vD-LTLFireability-02
lola: time limit : 3600 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
TwoPhaseLocking-PT-nC00200vD-LTLFireability-02: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 5/3600 19/32 TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 2823025 m, 564605 m/sec, 6766367 t fired, .

Time elapsed: 5 secs. Pages in use: 19
# running tasks: 1 of 4 Visible: 1
lola: CANCELED task # 1 (type EXCL) for TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 (memory limit exceeded)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
TwoPhaseLocking-PT-nC00200vD-LTLFireability-02: LTL 0 0 0 0 1 0 1 0

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

Time elapsed: 10 secs. Pages in use: 32
# running tasks: 1 of 4 Visible: 1
lola: Portfolio finished: no open tasks 1

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
TwoPhaseLocking-PT-nC00200vD-LTLFireability-02: LTL unknown AGGR


Time elapsed: 10 secs. Pages in use: 32

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-nC00200vD"
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-nC00200vD, 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-167912703600852"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00200vD.tgz
mv TwoPhaseLocking-PT-nC00200vD 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 ;