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.r455-smll-167912647000132.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 SmallOperatingSystem-PT-MT4096DC2048, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r455-smll-167912647000132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 8.6K Feb 25 12:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 25 12:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 12:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 25 12:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Feb 25 17:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 25 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 12:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 12:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 8.1K 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 SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679196179537

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=SmallOperatingSystem-PT-MT4096DC2048
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 03:23:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 03:23:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 03:23:03] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2023-03-19 03:23:03] [INFO ] Transformed 9 places.
[2023-03-19 03:23:03] [INFO ] Transformed 8 transitions.
[2023-03-19 03:23:03] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 201 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 18 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-19 03:23:03] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-19 03:23:03] [INFO ] Implicit Places using invariants in 185 ms returned []
[2023-03-19 03:23:03] [INFO ] Invariant cache hit.
[2023-03-19 03:23:03] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 289 ms to find 0 implicit places.
[2023-03-19 03:23:03] [INFO ] Invariant cache hit.
[2023-03-19 03:23:03] [INFO ] Dead Transitions using invariants and state equation in 68 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 378 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2023-03-19 03:23:04] [INFO ] Flatten gal took : 25 ms
[2023-03-19 03:23:04] [INFO ] Flatten gal took : 5 ms
[2023-03-19 03:23:04] [INFO ] Input system was already deterministic with 8 transitions.
Incomplete random walk after 10247 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=262 ) properties (out of 10) seen :5
Finished Best-First random walk after 79 steps, including 0 resets, run visited all 5 properties in 4 ms. (steps per millisecond=19 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 6 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-19 03:23:04] [INFO ] Invariant cache hit.
[2023-03-19 03:23:04] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 03:23:04] [INFO ] Invariant cache hit.
[2023-03-19 03:23:04] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-19 03:23:04] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:04] [INFO ] Invariant cache hit.
[2023-03-19 03:23:04] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 102 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 244 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (GEQ s3 1) (AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1)) (AND (GEQ s5 1) (GEQ s6 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 7841 reset in 319 ms.
Stack based approach found an accepted trace after 21 steps with 1 reset with depth 8 and stack size 8 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 finished in 727 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&G(p1))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
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 7
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 7
Applied a total of 2 rules in 4 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-19 03:23:05] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 03:23:05] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-19 03:23:05] [INFO ] Invariant cache hit.
[2023-03-19 03:23:05] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-19 03:23:05] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:05] [INFO ] Invariant cache hit.
[2023-03-19 03:23:05] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 107 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s2 1) (AND (GEQ s4 1) (GEQ s5 1))), p1:(AND (GEQ s4 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 267 ms.
Stack based approach found an accepted trace after 1 steps with 0 reset with depth 2 and stack size 2 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 finished in 540 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 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 8 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-19 03:23:05] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 03:23:06] [INFO ] Implicit Places using invariants in 51 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 6 transition count 6
Applied a total of 2 rules in 4 ms. Remains 6 /7 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 6 cols
[2023-03-19 03:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 03:23:06] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-19 03:23:06] [INFO ] Invariant cache hit.
[2023-03-19 03:23:06] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/9 places, 6/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 136 ms. Remains : 6/9 places, 6/8 transitions.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s2 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 225 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 finished in 434 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 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-19 03:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 03:23:06] [INFO ] Implicit Places using invariants in 34 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 6/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 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 s3 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 24966 reset in 87 ms.
Product exploration explored 100000 steps with 25000 reset in 125 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 129 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 36 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 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 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
// Phase 1: matrix 7 rows 6 cols
[2023-03-19 03:23:07] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 03:23:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:07] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 03:23:07] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 03:23:07] [INFO ] Added : 0 causal constraints over 0 iterations in 8 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, 7/7 transitions.
Graph (trivial) has 2 edges and 6 vertex of which 2 / 6 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 5 ms. Remains 5 /6 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 5 cols
[2023-03-19 03:23:07] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 03:23:07] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 03:23:07] [INFO ] Invariant cache hit.
[2023-03-19 03:23:07] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:07] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-19 03:23:07] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:07] [INFO ] Invariant cache hit.
[2023-03-19 03:23:07] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/6 places, 6/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 95 ms. Remains : 5/6 places, 6/7 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 136 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 46 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=512 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 195 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 52 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
[2023-03-19 03:23:07] [INFO ] Invariant cache hit.
[2023-03-19 03:23:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:07] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-19 03:23:07] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:07] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-19 03:23:07] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 03:23:07] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Product exploration explored 100000 steps with 24947 reset in 143 ms.
Product exploration explored 100000 steps with 25029 reset in 102 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 03:23:08] [INFO ] Invariant cache hit.
[2023-03-19 03:23:08] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 03:23:08] [INFO ] Invariant cache hit.
[2023-03-19 03:23:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:08] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2023-03-19 03:23:08] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:08] [INFO ] Invariant cache hit.
[2023-03-19 03:23:08] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 104 ms. Remains : 5/5 places, 6/6 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 finished in 1883 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p0)&&F(!p0))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 0 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-19 03:23:08] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-19 03:23:08] [INFO ] Implicit Places using invariants in 30 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 179 ms :[true, (NOT p0), p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s2 1) (LT s5 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 13677 reset in 381 ms.
Stack based approach found an accepted trace after 28 steps with 6 reset with depth 7 and stack size 7 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 finished in 615 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(X(G(p1))&&F(p2))))'
Support contains 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-19 03:23:08] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 03:23:08] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 03:23:08] [INFO ] Invariant cache hit.
[2023-03-19 03:23:08] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-19 03:23:08] [INFO ] Invariant cache hit.
[2023-03-19 03:23:08] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 256 ms :[true, (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=1 dest: 1}, { cond=(AND p2 p1), acceptance={0} source=1 dest: 3}], [{ cond=p2, acceptance={} source=2 dest: 4}, { cond=(NOT p2), acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=5 dest: 1}, { cond=(AND p2 (NOT p0) p1), acceptance={} source=5 dest: 3}, { cond=(AND p2 p0 p1), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p2) p0 p1), acceptance={} source=5 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}, { cond=p0, acceptance={} source=6 dest: 6}]], initial=2, aps=[p1:(LT s8 1), p2:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(AND (GEQ s8 1) (GEQ s4 1) (GEQ s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 finished in 366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-19 03:23:09] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 03:23:09] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-19 03:23:09] [INFO ] Invariant cache hit.
[2023-03-19 03:23:09] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-03-19 03:23:09] [INFO ] Invariant cache hit.
[2023-03-19 03:23:09] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 93 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 24980 reset in 50 ms.
Product exploration explored 100000 steps with 25012 reset in 71 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)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 89 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 107 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 116 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 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 03:23:10] [INFO ] Invariant cache hit.
[2023-03-19 03:23:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 03:23:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-19 03:23:10] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 03:23:10] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:10] [INFO ] Invariant cache hit.
[2023-03-19 03:23:10] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 03:23:10] [INFO ] Invariant cache hit.
[2023-03-19 03:23:10] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2023-03-19 03:23:10] [INFO ] Invariant cache hit.
[2023-03-19 03:23:10] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 7/7 places, 7/7 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)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 107 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 131 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2050 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 147 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 117 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 03:23:10] [INFO ] Invariant cache hit.
[2023-03-19 03:23:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-19 03:23:10] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 03:23:10] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25045 reset in 53 ms.
Product exploration explored 100000 steps with 24952 reset in 59 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:11] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53 ms. Remains : 7/7 places, 7/7 transitions.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 finished in 2606 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(G(p1)))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-19 03:23:11] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:11] [INFO ] Invariant cache hit.
[2023-03-19 03:23:11] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 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=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1)), p1:(GEQ s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 2 reset in 90 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 finished in 330 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F((G(p0)&&F(p1)))))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
[2023-03-19 03:23:12] [INFO ] Invariant cache hit.
[2023-03-19 03:23:12] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 03:23:12] [INFO ] Invariant cache hit.
[2023-03-19 03:23:12] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-19 03:23:12] [INFO ] Invariant cache hit.
[2023-03-19 03:23:12] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 87 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 246 ms :[(NOT p0), (NOT p0), (NOT p0), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}, { cond=p0, acceptance={} source=3 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (GEQ s4 1) (GEQ s5 1)), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 2428 reset in 84 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 finished in 444 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||(!p1 U (G(!p1)||(!p1&&G(p2))))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 1 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-19 03:23:12] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-19 03:23:12] [INFO ] Implicit Places using invariants in 30 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (AND (NOT p2) (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0, 1} source=1 dest: 1}, { cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND p2 (NOT p0) p1), acceptance={1} source=2 dest: 2}]], initial=0, aps=[p2:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(GEQ s6 1), p1:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 5474 reset in 101 ms.
Stack based approach found an accepted trace after 20 steps with 3 reset with depth 4 and stack size 4 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 finished in 294 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 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
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 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 2 with 3 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 2 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
// Phase 1: matrix 5 rows 4 cols
[2023-03-19 03:23:12] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 03:23:12] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 03:23:12] [INFO ] Invariant cache hit.
[2023-03-19 03:23:12] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-19 03:23:12] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:12] [INFO ] Invariant cache hit.
[2023-03-19 03:23:12] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 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 s1 1) (GEQ s2 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 finished in 186 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||G(!p0))) U p0))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
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 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 2 with 3 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 2 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-19 03:23:13] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 71 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s3 1), p1:(AND (GEQ s1 1) (GEQ s2 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 finished in 200 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)||G(!p1)||F(p2)))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-19 03:23:13] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-19 03:23:13] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [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.
[2023-03-19 03:23:13] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 173 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 3}]], initial=2, aps=[p2:(AND (GEQ s5 1) (GEQ s6 1)), p1:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(LT s8 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 7895 reset in 76 ms.
Stack based approach found an accepted trace after 19 steps with 1 reset with depth 10 and stack size 10 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 finished in 526 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&&X(!p0))))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-19 03:23:13] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 03:23:13] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-03-19 03:23:13] [INFO ] Invariant cache hit.
[2023-03-19 03:23:13] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 155 ms :[true, p0, p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=p0, acceptance={} source=3 dest: 0}, { cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=2, 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 3 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 finished in 264 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 : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 5 transition count 6
Applied a total of 5 rules in 3 ms. Remains 5 /9 variables (removed 4) and now considering 6/8 (removed 2) transitions.
// Phase 1: matrix 6 rows 5 cols
[2023-03-19 03:23:14] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 03:23:14] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-19 03:23:14] [INFO ] Invariant cache hit.
[2023-03-19 03:23:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:14] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-19 03:23:14] [INFO ] Invariant cache hit.
[2023-03-19 03:23:14] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 5/9 places, 6/8 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 78 ms. Remains : 5/9 places, 6/8 transitions.
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 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 s3 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 24970 reset in 79 ms.
Product exploration explored 100000 steps with 25047 reset in 106 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 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 33 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 188 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:15] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 03:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:15] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-19 03:23:15] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 03:23:15] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:15] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-19 03:23:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92 ms. Remains : 5/5 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), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 148 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 35 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 171 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 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:15] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-19 03:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:15] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-19 03:23:15] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 03:23:15] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Product exploration explored 100000 steps with 25058 reset in 89 ms.
Product exploration explored 100000 steps with 25113 reset in 114 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-19 03:23:15] [INFO ] Invariant cache hit.
[2023-03-19 03:23:15] [INFO ] Implicit Places using invariants in 49 ms returned []
[2023-03-19 03:23:16] [INFO ] Invariant cache hit.
[2023-03-19 03:23:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 03:23:16] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 126 ms to find 0 implicit places.
[2023-03-19 03:23:16] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:16] [INFO ] Invariant cache hit.
[2023-03-19 03:23:16] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 169 ms. Remains : 5/5 places, 6/6 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 finished in 2049 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Found a Shortening insensitive property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-19 03:23:16] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-19 03:23:16] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 03:23:16] [INFO ] Invariant cache hit.
[2023-03-19 03:23:16] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-19 03:23:16] [INFO ] Invariant cache hit.
[2023-03-19 03:23:16] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 78 ms. Remains : 7/9 places, 7/8 transitions.
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 25005 reset in 60 ms.
Product exploration explored 100000 steps with 24947 reset in 70 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)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 97 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 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 153 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 147 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 03:23:17] [INFO ] Invariant cache hit.
[2023-03-19 03:23:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:17] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 03:23:17] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 03:23:17] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:17] [INFO ] Invariant cache hit.
[2023-03-19 03:23:17] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-19 03:23:17] [INFO ] Invariant cache hit.
[2023-03-19 03:23:17] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-19 03:23:17] [INFO ] Invariant cache hit.
[2023-03-19 03:23:17] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 140 ms. Remains : 7/7 places, 7/7 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)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 138 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 151 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 114 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 122 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 03:23:18] [INFO ] Invariant cache hit.
[2023-03-19 03:23:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 03:23:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 03:23:18] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-19 03:23:18] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-19 03:23:18] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 269 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25009 reset in 85 ms.
Product exploration explored 100000 steps with 25127 reset in 103 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:18] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 03:23:18] [INFO ] Invariant cache hit.
[2023-03-19 03:23:18] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34 ms. Remains : 7/7 places, 7/7 transitions.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 03:23:18] [INFO ] Invariant cache hit.
[2023-03-19 03:23:18] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-19 03:23:18] [INFO ] Invariant cache hit.
[2023-03-19 03:23:18] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-19 03:23:18] [INFO ] Invariant cache hit.
[2023-03-19 03:23:19] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 86 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 finished in 2895 ms.
[2023-03-19 03:23:19] [INFO ] Flatten gal took : 4 ms
[2023-03-19 03:23:19] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-19 03:23:19] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 9 places, 8 transitions and 27 arcs took 0 ms.
Total runtime 15928 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SmallOperatingSystem-PT-MT4096DC2048
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability

FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679196200325

--------------------
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: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: Created skeleton in 0.000000 secs.
lola: FINISHED task # 1 (type EXCL) for SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
lola: result : true
lola: markings : 4097
lola: fired transitions : 4096
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 4 (type EXCL) for 3 SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 4 (type EXCL) for SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
lola: result : true
lola: markings : 4097
lola: fired transitions : 4096
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03: LTL true LTL model checker
SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06: LTL true LTL model checker


Time elapsed: 0 secs. Pages in use: 1

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="SmallOperatingSystem-PT-MT4096DC2048"
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 SmallOperatingSystem-PT-MT4096DC2048, 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 r455-smll-167912647000132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT4096DC2048.tgz
mv SmallOperatingSystem-PT-MT4096DC2048 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 ;