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.r489-tall-167912707300852.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 ltsminxred
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 r489-tall-167912707300852
=====================================================================

--------------------
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 1679320214978

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=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC00200vD
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 13:50:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 13:50:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 13:50:16] [INFO ] Load time of PNML (sax parser for PT used): 19 ms
[2023-03-20 13:50:16] [INFO ] Transformed 8 places.
[2023-03-20 13:50:16] [INFO ] Transformed 6 transitions.
[2023-03-20 13:50:16] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 79 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 9 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 13:50:17] [INFO ] Computed 3 place invariants in 8 ms
[2023-03-20 13:50:17] [INFO ] Implicit Places using invariants in 116 ms returned []
[2023-03-20 13:50:17] [INFO ] Invariant cache hit.
[2023-03-20 13:50:17] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2023-03-20 13:50:17] [INFO ] Invariant cache hit.
[2023-03-20 13:50:17] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 225 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-20 13:50:17] [INFO ] Flatten gal took : 13 ms
[2023-03-20 13:50:17] [INFO ] Flatten gal took : 2 ms
[2023-03-20 13:50:17] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 1215 steps, including 2 resets, run visited all 9 properties in 14 ms. (steps per millisecond=86 )
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
[2023-03-20 13:50:17] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 13:50:17] [INFO ] Implicit Places using invariants in 33 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 149 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 34028 steps with 0 reset in 100 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 finished in 351 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 13:50:18] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 13:50:18] [INFO ] Implicit Places using invariants in 35 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 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 38 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 239 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 91 reset in 146 ms.
Stack based approach found an accepted trace after 769 steps with 0 reset with depth 770 and stack size 747 in 2 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 finished in 454 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.
[2023-03-20 13:50:18] [INFO ] Invariant cache hit.
[2023-03-20 13:50:18] [INFO ] Implicit Places using invariants in 29 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 159 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 7436 reset in 74 ms.
Product exploration explored 100000 steps with 7503 reset in 121 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 119 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 405 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=202 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 137 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 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
// Phase 1: matrix 6 rows 7 cols
[2023-03-20 13:50:19] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-20 13:50:19] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:50:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:19] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-20 13:50:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 13:50:19] [INFO ] Added : 3 causal constraints over 1 iterations in 8 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 2 ms. Remains 6 /7 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 6 cols
[2023-03-20 13:50:19] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-20 13:50:19] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 13:50:19] [INFO ] Invariant cache hit.
[2023-03-20 13:50:19] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-20 13:50:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 13:50:19] [INFO ] Invariant cache hit.
[2023-03-20 13:50:19] [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 86 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 126 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 47 ms :[(NOT p0)]
Finished random walk after 1016 steps, including 3 resets, run visited all 1 properties in 3 ms. (steps per millisecond=338 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 164 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 44 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
[2023-03-20 13:50:19] [INFO ] Invariant cache hit.
[2023-03-20 13:50:19] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-20 13:50:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 13:50:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:50:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-20 13:50:19] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 13:50:19] [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 42 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10257 reset in 76 ms.
Product exploration explored 100000 steps with 10251 reset in 120 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 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-20 13:50:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [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 102 ms. Remains : 6/6 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 finished in 1842 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 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 13:50:20] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 86 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 130 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 8634 steps with 0 reset in 16 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 finished in 244 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 3 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-20 13:50:20] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 13:50:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 13:50:20] [INFO ] Invariant cache hit.
[2023-03-20 13:50:20] [INFO ] Dead Transitions using invariants and state equation in 20 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 80 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 43 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 70 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 finished in 206 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
[2023-03-20 13:50:20] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:20] [INFO ] Implicit Places using invariants in 22 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 132 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 12152 reset in 65 ms.
Product exploration explored 100000 steps with 12172 reset in 64 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 244 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 113 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Finished random walk after 608 steps, including 1 resets, run visited all 2 properties in 3 ms. (steps per millisecond=202 )
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 278 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 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-20 13:50:22] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-20 13:50:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:22] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-20 13:50:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:50:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:22] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-20 13:50:22] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 13:50:22] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
[2023-03-20 13:50:22] [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 130 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 1513 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 13:50:22] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:22] [INFO ] Implicit Places using invariants in 27 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 281 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 1 reset in 94 ms.
Stack based approach found an accepted trace after 29 steps with 0 reset with depth 30 and stack size 30 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 finished in 429 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
[2023-03-20 13:50:22] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 13:50:22] [INFO ] Implicit Places using invariants in 27 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 41 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 45 ms.
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(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 94 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 288 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(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
[2023-03-20 13:50:23] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:23] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 13:50:23] [INFO ] Invariant cache hit.
[2023-03-20 13:50:23] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 13:50:23] [INFO ] Invariant cache hit.
[2023-03-20 13:50:23] [INFO ] Dead Transitions using invariants and state equation in 21 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 186 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 278 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.
[2023-03-20 13:50:23] [INFO ] Invariant cache hit.
[2023-03-20 13:50:23] [INFO ] Implicit Places using invariants in 23 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 26 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 164 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 147 steps with 33 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 finished in 215 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.
[2023-03-20 13:50:23] [INFO ] Invariant cache hit.
[2023-03-20 13:50:23] [INFO ] Implicit Places using invariants in 28 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 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 33 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 134 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 4 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 189 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 90 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 2 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-20 13:50:23] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 13:50:23] [INFO ] Implicit Places using invariants in 24 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in 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 10203 reset in 43 ms.
Product exploration explored 100000 steps with 10184 reset in 64 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 118 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 41 ms :[(NOT p0)]
Finished random walk after 912 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=912 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 128 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 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-20 13:50:24] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-20 13:50:24] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:24] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-20 13:50:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:50:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:24] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-20 13:50:24] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 13:50:24] [INFO ] Added : 2 causal constraints over 1 iterations in 7 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 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-20 13:50:24] [INFO ] Invariant cache hit.
[2023-03-20 13:50:24] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 13:50:24] [INFO ] Invariant cache hit.
[2023-03-20 13:50:24] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-20 13:50:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 13:50:24] [INFO ] Invariant cache hit.
[2023-03-20 13:50:24] [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 75 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 109 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)]
Finished random walk after 1216 steps, including 3 resets, run visited all 1 properties in 4 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 118 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2023-03-20 13:50:24] [INFO ] Invariant cache hit.
[2023-03-20 13:50:25] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-20 13:50:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:25] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-20 13:50:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:50:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:50:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:50:25] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-20 13:50:25] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 13:50:25] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10200 reset in 50 ms.
Product exploration explored 100000 steps with 10258 reset in 63 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 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-20 13:50:25] [INFO ] Invariant cache hit.
[2023-03-20 13:50:25] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-20 13:50:25] [INFO ] Invariant cache hit.
[2023-03-20 13:50:25] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 13:50:25] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 13:50:25] [INFO ] Invariant cache hit.
[2023-03-20 13:50:25] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 77 ms. Remains : 6/6 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 finished in 1592 ms.
[2023-03-20 13:50:25] [INFO ] Flatten gal took : 2 ms
[2023-03-20 13:50:25] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 13:50:25] [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 8757 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1038/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : TwoPhaseLocking-PT-nC00200vD-LTLFireability-02

BK_STOP 1679320226283

--------------------
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
mcc2023
ltl formula name TwoPhaseLocking-PT-nC00200vD-LTLFireability-02
ltl formula formula --ltl=/tmp/1038/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 8 places, 6 transitions and 18 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1038/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1038/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1038/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1038/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)

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="ltsminxred"
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 ltsminxred"
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 r489-tall-167912707300852"
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 ;