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-167912703600812.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-nC00020vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703600812
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 8.2K Feb 25 17:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 17:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 17:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 17:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 25 17:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K Feb 25 17:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:22 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-nC00020vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679223831970

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-nC00020vN
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 11:03:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 11:03:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 11:03:53] [INFO ] Load time of PNML (sax parser for PT used): 16 ms
[2023-03-19 11:03:53] [INFO ] Transformed 8 places.
[2023-03-19 11:03:53] [INFO ] Transformed 6 transitions.
[2023-03-19 11:03:53] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 70 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 4 formulas.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-02 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 11:03:53] [INFO ] Computed 3 place invariants in 3 ms
[2023-03-19 11:03:53] [INFO ] Implicit Places using invariants in 97 ms returned []
[2023-03-19 11:03:53] [INFO ] Invariant cache hit.
[2023-03-19 11:03:53] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2023-03-19 11:03:53] [INFO ] Invariant cache hit.
[2023-03-19 11:03:53] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 183 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-19 11:03:54] [INFO ] Flatten gal took : 12 ms
[2023-03-19 11:03:54] [INFO ] Flatten gal took : 2 ms
[2023-03-19 11:03:54] [INFO ] Input system was already deterministic with 6 transitions.
Incomplete random walk after 10002 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 9) seen :8
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 11:03:54] [INFO ] Invariant cache hit.
[2023-03-19 11:03:54] [INFO ] After 29ms 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.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
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' '!(X((p0||X(F(p1)))))'
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.
[2023-03-19 11:03:54] [INFO ] Invariant cache hit.
[2023-03-19 11:03:54] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:03:54] [INFO ] Invariant cache hit.
[2023-03-19 11:03:54] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 11:03:54] [INFO ] Invariant cache hit.
[2023-03-19 11:03:54] [INFO ] Dead Transitions using invariants and state equation in 25 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 196 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s6 1), p1:(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, null][false, false, false]]
Product exploration explored 100000 steps with 7485 reset in 187 ms.
Product exploration explored 100000 steps with 7398 reset in 111 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 (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 136 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(NOT p1), (NOT p1), (NOT p1)]
Finished random walk after 48 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=48 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 248 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 123 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 116 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2023-03-19 11:03:55] [INFO ] Invariant cache hit.
[2023-03-19 11:03:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:03:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:03:55] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 11:03:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:03:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 11:03:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:03:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:03:55] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 11:03:55] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 1 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
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 11:03:55] [INFO ] Invariant cache hit.
[2023-03-19 11:03:55] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:03:55] [INFO ] Invariant cache hit.
[2023-03-19 11:03:56] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:03:56] [INFO ] Invariant cache hit.
[2023-03-19 11:03:56] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 8/8 places, 6/6 transitions.
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 p1), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 73 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 115 ms :[(NOT p1), (NOT p1), (NOT p1)]
Finished random walk after 48 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=48 )
Knowledge obtained : [(NOT p1), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 2 factoid took 90 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2023-03-19 11:03:56] [INFO ] Invariant cache hit.
[2023-03-19 11:03:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:03:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:03:56] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:03:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 11:03:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:03:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 11:03:56] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:03:56] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-19 11:03:56] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 7475 reset in 80 ms.
Product exploration explored 100000 steps with 7495 reset in 95 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 130 ms :[(NOT p1), (NOT p1), (NOT p1)]
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.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post 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 7 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:03:57] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:03:57] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:03:57] [INFO ] Dead Transitions using invariants and state equation in 32 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 45 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:03:57] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:03:57] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [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 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-00 finished in 2807 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(G((!(X(p0)||p0) U !p1))))&&X(X(p1))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 243 ms :[true, true, true, true, p1, p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 3}, { cond=p1, acceptance={} source=2 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(OR (NOT p1) (NOT p0)), acceptance={} source=4 dest: 4}, { cond=(AND p1 p0), acceptance={0} source=4 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={0} source=4 dest: 5}], [{ cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 4}, { cond=(AND p1 p0), acceptance={0} source=5 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s5 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, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 543 reset in 138 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-01 finished in 476 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((X(!p0) U (X(G(!p0))||(p1&&X(!p0)))))))||(F(!p2)&&X(X((X(!p0) U (X(G(!p0))||(p1&&X(!p0)))))))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 11:03:57] [INFO ] Invariant cache hit.
[2023-03-19 11:03:57] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 386 ms :[p0, p0, (AND p0 p2), (AND p0 p2), p0, p0, (AND p0 p2), (AND p2 p0), true, p2]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p2, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=p2, acceptance={} source=2 dest: 3}], [{ cond=p2, acceptance={} source=3 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=3 dest: 6}, { cond=p2, acceptance={} source=3 dest: 7}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p0), acceptance={0} source=4 dest: 4}, { cond=true, acceptance={} source=4 dest: 5}], [{ cond=p0, acceptance={} source=5 dest: 8}], [{ cond=(AND p2 (NOT p1) (NOT p0)), acceptance={} source=6 dest: 6}, { cond=(AND p2 (NOT p1) p0), acceptance={0} source=6 dest: 6}, { cond=p2, acceptance={} source=6 dest: 7}], [{ cond=(AND p2 p0), acceptance={} source=7 dest: 9}], [{ cond=true, acceptance={0} source=8 dest: 8}], [{ cond=p2, acceptance={0} source=9 dest: 9}]], initial=0, aps=[p2:(AND (GEQ s3 1) (GEQ s5 1)), p1:(GEQ s7 1), p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 117 steps with 20 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-03 finished in 491 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 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 2 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-19 11:03:58] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 11:03:58] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [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 78 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (LT s6 1) (OR (LT s3 1) (LT s4 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 157 ms.
Stack based approach found an accepted trace after 8 steps with 0 reset with depth 9 and stack size 9 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-05 finished in 287 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 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 11:03:58] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 79 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-06 finished in 156 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Dead Transitions using invariants and state equation in 15 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 90 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-08 finished in 166 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(!p0)))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:03:58] [INFO ] Invariant cache hit.
[2023-03-19 11:03:58] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 131 ms :[p0, p0, p0, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 49 ms.
Product exploration explored 100000 steps with 25000 reset in 51 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), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[p0, p0, p0, p0]
Finished random walk after 34 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=34 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 115 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 141 ms :[p0, p0, p0, 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 11:03:59] [INFO ] Invariant cache hit.
[2023-03-19 11:03:59] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 11:03:59] [INFO ] Invariant cache hit.
[2023-03-19 11:03:59] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-19 11:03:59] [INFO ] Invariant cache hit.
[2023-03-19 11:03:59] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 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 : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 91 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[p0, p0, p0, p0]
Finished random walk after 47 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=47 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 100 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 279 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 131 ms :[p0, p0, p0, p0]
Product exploration explored 100000 steps with 25000 reset in 46 ms.
Product exploration explored 100000 steps with 25000 reset in 56 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 132 ms :[p0, p0, p0, 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.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 3 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 11:04:01] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:04:01] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:04:01] [INFO ] Dead Transitions using invariants and state equation in 24 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 37 ms. Remains : 8/8 places, 6/6 transitions.
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.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:04:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 finished in 2365 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(G(p1))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
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 11:04:01] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-19 11:04:01] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [INFO ] Dead Transitions using invariants and state equation in 21 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 61 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s6 1), p1:(OR (LT s2 1) (LT s0 1) (LT s1 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 85 ms.
Stack based approach found an accepted trace after 27 steps with 0 reset with depth 28 and stack size 28 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-10 finished in 228 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 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 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 11:04:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-19 11:04:01] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:04:01] [INFO ] Invariant cache hit.
[2023-03-19 11:04:01] [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 75 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 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 5985 reset in 67 ms.
Product exploration explored 100000 steps with 6312 reset in 76 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 105 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0)]
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 11:04:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:04:02] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 11:04:02] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:04:02] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:02] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:02] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:04:02] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:02] [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 67 ms. Remains : 6/6 places, 4/4 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 97 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 122 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:02] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-19 11:04:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 11:04:02] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-19 11:04:02] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-19 11:04:02] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 6229 reset in 63 ms.
Product exploration explored 100000 steps with 6075 reset in 73 ms.
Support contains 2 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-19 11:04:02] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-19 11:04:03] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 6/6 places, 4/4 transitions.
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-13 finished in 1615 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)||X(X(G(p1))))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-19 11:04:03] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}]], initial=1, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1)), p1:(OR (LT s6 1) (LT s0 1) (LT s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 44 ms.
Product exploration explored 100000 steps with 50000 reset in 43 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-14 finished in 428 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(F(p1)))))'
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(!p0)))))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
Stuttering acceptance computed with spot in 140 ms :[p0, p0, p0, 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
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 11:04:03] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-19 11:04:03] [INFO ] Invariant cache hit.
[2023-03-19 11:04:03] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 65 ms. Remains : 6/8 places, 4/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(GEQ s5 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, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 20220 reset in 73 ms.
Stack based approach found an accepted trace after 181 steps with 39 reset with depth 9 and stack size 9 in 1 ms.
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 finished in 361 ms.
Length sensitive decision was in the wrong direction : Shortening insensitive + false
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
[2023-03-19 11:04:04] [INFO ] Flatten gal took : 3 ms
[2023-03-19 11:04:04] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-19 11:04:04] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 0 ms.
Total runtime 10668 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC00020vN
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability

FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679223845534

--------------------
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/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 4 (type EXCL) for 3 TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: FINISHED task # 4 (type EXCL) for TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
lola: result : true
lola: markings : 7
lola: fired transitions : 7
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 1 (type EXCL) for 0 TwoPhaseLocking-PT-nC00020vN-LTLFireability-00
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for TwoPhaseLocking-PT-nC00020vN-LTLFireability-00
lola: result : true
lola: markings : 3431
lola: fired transitions : 7369
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 7 (type EXCL) for 6 TwoPhaseLocking-PT-nC00020vN-LTLFireability-13
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 7 (type EXCL) for TwoPhaseLocking-PT-nC00020vN-LTLFireability-13
lola: result : true
lola: markings : 802
lola: fired transitions : 2490
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
TwoPhaseLocking-PT-nC00020vN-LTLFireability-00: LTL true LTL model checker
TwoPhaseLocking-PT-nC00020vN-LTLFireability-09: LTL true LTL model checker
TwoPhaseLocking-PT-nC00020vN-LTLFireability-13: LTL true LTL model checker


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Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="TwoPhaseLocking-PT-nC00020vN"
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-nC00020vN, 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-167912703600812"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00020vN.tgz
mv TwoPhaseLocking-PT-nC00020vN 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 ;