fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r455-smll-167912646900068
Last Updated
May 14, 2023

About the Execution of LoLa+red for SmallOperatingSystem-PT-MT0256DC0128

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
358.432 31064.00 45432.00 863.80 FFFFFTFTFTFTFFFF normal

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-167912646900068.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-MT0256DC0128, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r455-smll-167912646900068
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 9.1K Feb 25 12:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 12:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 12:46 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 4.2K Feb 25 17:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 17:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 17:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Feb 25 12:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Feb 25 12:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Feb 25 12:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 12:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 17:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:07 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 8.2K 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-MT0256DC0128-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679184873099

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-MT0256DC0128
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 00:14:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 00:14:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 00:14:37] [INFO ] Load time of PNML (sax parser for PT used): 41 ms
[2023-03-19 00:14:37] [INFO ] Transformed 9 places.
[2023-03-19 00:14:37] [INFO ] Transformed 8 transitions.
[2023-03-19 00:14:37] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 184 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-07 TRUE 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 15 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 00:14:37] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-19 00:14:37] [INFO ] Implicit Places using invariants in 188 ms returned []
[2023-03-19 00:14:37] [INFO ] Invariant cache hit.
[2023-03-19 00:14:37] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 307 ms to find 0 implicit places.
[2023-03-19 00:14:37] [INFO ] Invariant cache hit.
[2023-03-19 00:14:37] [INFO ] Dead Transitions using invariants and state equation in 65 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 391 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2023-03-19 00:14:38] [INFO ] Flatten gal took : 46 ms
[2023-03-19 00:14:38] [INFO ] Flatten gal took : 7 ms
[2023-03-19 00:14:38] [INFO ] Input system was already deterministic with 8 transitions.
Finished random walk after 517 steps, including 0 resets, run visited all 10 properties in 19 ms. (steps per millisecond=27 )
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||F((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.
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 3 place count 7 transition count 7
Applied a total of 3 rules in 12 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 00:14:38] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 00:14:38] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-19 00:14:38] [INFO ] Invariant cache hit.
[2023-03-19 00:14:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 00:14:38] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-19 00:14:38] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 00:14:38] [INFO ] Invariant cache hit.
[2023-03-19 00:14:38] [INFO ] Dead Transitions using invariants and state equation in 48 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 163 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 430 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1)), p2:(GEQ s6 1), p1:(LT s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 57230 steps with 0 reset in 430 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-01 finished in 1138 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 6
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 3 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Iterating post reduction 1 with 4 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 2 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 8 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 00:14:39] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-19 00:14:39] [INFO ] Implicit Places using invariants in 33 ms returned [2]
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 : 3/9 places, 5/8 transitions.
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 3 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 3
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 2 transition count 3
Applied a total of 3 rules in 3 ms. Remains 2 /3 variables (removed 1) and now considering 3/5 (removed 2) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-19 00:14:39] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-19 00:14:39] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 00:14:39] [INFO ] Invariant cache hit.
[2023-03-19 00:14:39] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 2/9 places, 3/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 104 ms. Remains : 2/9 places, 3/8 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-02 finished in 176 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 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 4 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 00:14:39] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 00:14:39] [INFO ] Implicit Places using invariants in 38 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 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 2 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 00:14:39] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 00:14:40] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 00:14:40] [INFO ] Invariant cache hit.
[2023-03-19 00:14:40] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 72 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 119 ms. Remains : 6/9 places, 6/8 transitions.
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 11389 reset in 291 ms.
Stack based approach found an accepted trace after 20 steps with 3 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-03 finished in 535 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(!X(p0))) U X((G(p0) U 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 00:14:40] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 00:14:40] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-19 00:14:40] [INFO ] Invariant cache hit.
[2023-03-19 00:14:40] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2023-03-19 00:14:40] [INFO ] Invariant cache hit.
[2023-03-19 00:14:40] [INFO ] Dead Transitions using invariants and state equation in 45 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 126 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 248 ms :[p0, (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=p0, acceptance={0} source=4 dest: 0}, { cond=(NOT p0), acceptance={0} source=4 dest: 4}]], initial=3, aps=[p0:(AND (GEQ s4 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, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 6463 reset in 152 ms.
Stack based approach found an accepted trace after 16 steps with 1 reset with depth 8 and stack size 8 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-04 finished in 553 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||F(p1))))'
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
Applied a total of 1 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2023-03-19 00:14:41] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-19 00:14:41] [INFO ] Implicit Places using invariants in 52 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 7/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p1) p0), (NOT p1), (AND (NOT p1) p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 1}]], initial=0, aps=[p1:(GEQ s3 1), p0:(LT s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 25069 reset in 192 ms.
Product exploration explored 100000 steps with 24970 reset in 265 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (AND p0 (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 2 factoid took 211 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p1), (NOT p1)]
Finished random walk after 130 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=65 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND p0 (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 2 factoid took 130 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 43 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p1)]
// Phase 1: matrix 8 rows 7 cols
[2023-03-19 00:14:42] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-19 00:14:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-19 00:14:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 00:14:42] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-19 00:14:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 00:14:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-19 00:14:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 00:14:42] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-19 00:14:42] [INFO ] Computed and/alt/rep : 7/10/7 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 00:14:42] [INFO ] Added : 6 causal constraints over 2 iterations in 25 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 1 out of 7 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 8/8 transitions.
Graph (trivial) has 2 edges and 7 vertex of which 2 / 7 are part of one of the 1 SCC in 0 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 2 ms. Remains 6 /7 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 6 cols
[2023-03-19 00:14:42] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 00:14:42] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-19 00:14:42] [INFO ] Invariant cache hit.
[2023-03-19 00:14:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 00:14:42] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2023-03-19 00:14:42] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:14:42] [INFO ] Invariant cache hit.
[2023-03-19 00:14:42] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/7 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 118 ms. Remains : 6/7 places, 7/8 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p1), (X (NOT p1))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 2 factoid took 166 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 50 ms :[(NOT p1)]
Finished random walk after 130 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=65 )
Knowledge obtained : [(NOT p1), (X (NOT p1))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
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 49 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p1)]
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 00:14:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 00:14:43] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-19 00:14:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 00:14:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 00:14:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 00:14:43] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-03-19 00:14:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 00:14:43] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2023-03-19 00:14:43] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 00:14:43] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 52 ms :[(NOT p1)]
Product exploration explored 100000 steps with 25141 reset in 157 ms.
Product exploration explored 100000 steps with 24957 reset in 121 ms.
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.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 5 transition count 6
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 5 transition count 6
Applied a total of 2 rules in 3 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 00:14:43] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-19 00:14:43] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] Dead Transitions using invariants and state equation in 38 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 137 ms. Remains : 5/6 places, 6/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05 finished in 2643 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 6
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 3 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 1 with 4 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 2 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 3 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 00:14:43] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants in 30 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 3/9 places, 5/8 transitions.
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 3 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 3
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 2 transition count 3
Applied a total of 3 rules in 8 ms. Remains 2 /3 variables (removed 1) and now considering 3/5 (removed 2) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-19 00:14:43] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 2/9 places, 3/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 100 ms. Remains : 2/9 places, 3/8 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-06 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 s1 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 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-06 finished in 172 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 3 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 00:14:43] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2023-03-19 00:14:43] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:14:43] [INFO ] Invariant cache hit.
[2023-03-19 00:14:43] [INFO ] Dead Transitions using invariants and state equation in 36 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 128 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 164 ms :[(OR p0 p1), p0, p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=p1, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s4 1) (GEQ s5 1)), p1:(GEQ s3 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 0 reset in 241 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-08 finished in 557 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)))||X((p2 U p3))))'
Support contains 7 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 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 00:14:44] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-19 00:14:44] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-19 00:14:44] [INFO ] Invariant cache hit.
[2023-03-19 00:14:44] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-19 00:14:44] [INFO ] Invariant cache hit.
[2023-03-19 00:14:44] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 131 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 324 ms :[true, (AND p0 p1 (NOT p3)), (AND p1 (NOT p3)), (AND p0 p1 (NOT p3)), p1, (AND p1 p0), (NOT p3)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}, { cond=(AND p0 p1), acceptance={} source=1 dest: 6}], [{ cond=(AND p1 (NOT p3) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p1) (NOT p3) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND p1 (NOT p3) p2), acceptance={} source=2 dest: 6}], [{ cond=(AND p0 p1 (NOT p3) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1) (NOT p3) p2), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=3 dest: 5}, { cond=(AND p0 p1 (NOT p3) p2), acceptance={} source=3 dest: 6}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 4}], [{ cond=(AND p0 p1), acceptance={} source=5 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 4}, { cond=(NOT p0), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=6 dest: 0}, { cond=(AND (NOT p3) p2), acceptance={0} source=6 dest: 6}]], initial=1, aps=[p0:(GEQ s7 1), p1:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1)), p3:(AND (GEQ s4 1) (GEQ s6 1)), p2:(GEQ s8 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 25048 reset in 156 ms.
Product exploration explored 100000 steps with 25060 reset in 122 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) (NOT p3) (NOT p2)), (X (NOT (AND p1 (NOT p3) (NOT p2)))), (X (NOT (AND p0 p1 (NOT p3) (NOT p2)))), (X (AND (NOT p3) p2)), (X (NOT (AND p1 (NOT p3) p2))), (X (NOT (AND p0 (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND p0 p1 (NOT p3) p2))), (X (AND (NOT p1) (NOT p3) p2)), (X (AND (NOT p0) (NOT p3) p2)), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), true, (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p3) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p3) p2))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (AND (NOT p1) (NOT p3) p2))), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p2))))]
Knowledge based reduction with 27 factoid took 2074 ms. Reduced automaton from 7 states, 21 edges and 4 AP (stutter sensitive) to 7 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 380 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Incomplete random walk after 10057 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=324 ) properties (out of 16) seen :15
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 00:14:47] [INFO ] Invariant cache hit.
[2023-03-19 00:14:47] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-19 00:14:47] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 00:14:47] [INFO ] After 26ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 00:14:47] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 00:14:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-19 00:14:47] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 00:14:47] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 16 ms.
[2023-03-19 00:14:47] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 13 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=13 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)), (X (NOT (AND p1 (NOT p3) (NOT p2)))), (X (NOT (AND p0 p1 (NOT p3) (NOT p2)))), (X (AND (NOT p3) p2)), (X (NOT (AND p1 (NOT p3) p2))), (X (NOT (AND p0 (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X (NOT (AND p0 p1 (NOT p3) p2))), (X (AND (NOT p1) (NOT p3) p2)), (X (AND (NOT p0) (NOT p3) p2)), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), true, (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p3) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p3) p2))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (AND (NOT p1) (NOT p3) p2))), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (AND (NOT p0) (NOT p3) p2))), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (F (AND (NOT p1) p0)), (F (AND p1 p0)), (F p0), (F (AND p2 (NOT p3) (NOT p0))), (F (AND p2 (NOT p3) p1)), (F (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (F (AND (NOT p2) (NOT p3) p1)), (F (AND p2 (NOT p3) (NOT p1) p0)), (F (AND p2 (NOT p3) (NOT p1))), (F (AND (NOT p2) (NOT p3) (NOT p1) p0)), (F (NOT (AND (NOT p2) (NOT p3) (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p1), (F (AND p2 (NOT p3))), (F (AND p2 (NOT p3) p1 p0)), (F (AND (NOT p2) (NOT p3) p1 p0))]
Knowledge based reduction with 27 factoid took 2336 ms. Reduced automaton from 7 states, 19 edges and 4 AP (stutter sensitive) to 7 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 381 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Stuttering acceptance computed with spot in 349 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Support contains 7 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 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-19 00:14:50] [INFO ] Invariant cache hit.
[2023-03-19 00:14:51] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 00:14:51] [INFO ] Invariant cache hit.
[2023-03-19 00:14:51] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-19 00:14:51] [INFO ] Invariant cache hit.
[2023-03-19 00:14:51] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 133 ms. Remains : 9/9 places, 8/8 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p2) (NOT p3) (NOT p1) p0))), (X (NOT (AND p2 (NOT p3) (NOT p1) p0))), (X (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p3) p1 p0))), (X (NOT (AND p2 (NOT p3) p1 p0))), (X (AND p2 (NOT p3) (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p3) p1)))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p0))))), (X (X (NOT (AND p2 (NOT p3) p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), true, (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p3) (NOT p1) p0)))), (X (X (NOT (AND p2 (NOT p3) p1)))), (X (X (NOT (AND (NOT p2) (NOT p3) p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p2 (NOT p3) (NOT p0)))), (X (X (NOT (AND p2 (NOT p3) (NOT p0))))), (X (X (AND p2 (NOT p3)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND p2 (NOT p3) (NOT p1)))), (X (X (NOT (AND p2 (NOT p3) (NOT p1)))))]
Knowledge based reduction with 21 factoid took 1558 ms. Reduced automaton from 7 states, 19 edges and 4 AP (stutter sensitive) to 7 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 351 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Incomplete random walk after 10061 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=529 ) properties (out of 16) seen :14
Finished Best-First random walk after 432 steps, including 0 resets, run visited all 2 properties in 9 ms. (steps per millisecond=48 )
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p2) (NOT p3) (NOT p1) p0))), (X (NOT (AND p2 (NOT p3) (NOT p1) p0))), (X (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p3) p1 p0))), (X (NOT (AND p2 (NOT p3) p1 p0))), (X (AND p2 (NOT p3) (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p3) p1)))), (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p0))))), (X (X (NOT (AND p2 (NOT p3) p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), true, (X (X (NOT (AND (NOT p2) (NOT p3) (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p3) (NOT p1) p0)))), (X (X (NOT (AND p2 (NOT p3) p1)))), (X (X (NOT (AND (NOT p2) (NOT p3) p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p2 (NOT p3) (NOT p0)))), (X (X (NOT (AND p2 (NOT p3) (NOT p0))))), (X (X (AND p2 (NOT p3)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND p2 (NOT p3) (NOT p1)))), (X (X (NOT (AND p2 (NOT p3) (NOT p1))))), (F (AND (NOT p1) p0)), (F (AND p1 p0)), (F p0), (F (AND p2 (NOT p3) (NOT p0))), (F (AND p2 (NOT p3) p1)), (F (NOT (AND (NOT p2) (NOT p3) (NOT p0)))), (F (AND (NOT p2) (NOT p3) p1)), (F (AND p2 (NOT p3) (NOT p1) p0)), (F (AND p2 (NOT p3) (NOT p1))), (F (AND (NOT p2) (NOT p3) (NOT p1) p0)), (F (NOT (AND (NOT p2) (NOT p3) (NOT p1)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p1), (F (AND p2 (NOT p3))), (F (AND p2 (NOT p3) p1 p0)), (F (AND (NOT p2) (NOT p3) p1 p0))]
Knowledge based reduction with 21 factoid took 1948 ms. Reduced automaton from 7 states, 19 edges and 4 AP (stutter sensitive) to 7 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 345 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Stuttering acceptance computed with spot in 341 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Stuttering acceptance computed with spot in 346 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Product exploration explored 100000 steps with 24883 reset in 238 ms.
Product exploration explored 100000 steps with 24949 reset in 247 ms.
Applying partial POR strategy [true, true, false, true, true, true, true]
Stuttering acceptance computed with spot in 342 ms :[true, (NOT p3), (AND p0 p1 (NOT p3)), p1, (AND p1 (NOT p3)), (AND p1 p0), (AND p0 p1 (NOT p3))]
Support contains 7 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.
[2023-03-19 00:14:57] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:14:57] [INFO ] Invariant cache hit.
[2023-03-19 00:14:57] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 7 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.
[2023-03-19 00:14:57] [INFO ] Invariant cache hit.
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-19 00:14:57] [INFO ] Invariant cache hit.
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-19 00:14:57] [INFO ] Invariant cache hit.
[2023-03-19 00:14:57] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101 ms. Remains : 9/9 places, 8/8 transitions.
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09 finished in 13056 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 1 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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 6
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 3 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 1 with 4 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 2 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 6 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 00:14:57] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants in 27 ms returned [2]
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 : 3/9 places, 5/8 transitions.
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 3 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 3
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 2 transition count 3
Applied a total of 3 rules in 3 ms. Remains 2 /3 variables (removed 1) and now considering 3/5 (removed 2) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-19 00:14:57] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 00:14:57] [INFO ] Invariant cache hit.
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 2/9 places, 3/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 91 ms. Remains : 2/9 places, 3/8 transitions.
Stuttering acceptance computed with spot in 100 ms :[p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-10 finished in 210 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 U p1)) U 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
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 00:14:57] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-19 00:14:57] [INFO ] Implicit Places using invariants in 40 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in SI_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 SI_LTL mode , in 2 iterations and 45 ms. Remains : 6/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=p1, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s3 1), p1:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 25001 reset in 100 ms.
Product exploration explored 100000 steps with 25016 reset in 112 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 (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 7 factoid took 483 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), p1]
Finished random walk after 2450 steps, including 0 resets, run visited all 4 properties in 5 ms. (steps per millisecond=490 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p0)), (F p1), (F p0), (F (AND p0 (NOT p1))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 7 factoid took 613 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), p1]
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), p1]
// Phase 1: matrix 7 rows 6 cols
[2023-03-19 00:14:59] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-19 00:14:59] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-19 00:14:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 00:14:59] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-19 00:14:59] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 00:14:59] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 00:14:59] [INFO ] Invariant cache hit.
[2023-03-19 00:14:59] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 00:14:59] [INFO ] Invariant cache hit.
[2023-03-19 00:14:59] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-19 00:14:59] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:14:59] [INFO ] Invariant cache hit.
[2023-03-19 00:14:59] [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 127 ms. Remains : 6/6 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 : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 7 factoid took 491 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), p1]
Finished random walk after 1676 steps, including 0 resets, run visited all 4 properties in 4 ms. (steps per millisecond=419 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p0)), (F p1), (F p0), (F (AND p0 (NOT p1))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 7 factoid took 613 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), p1]
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), p1]
[2023-03-19 00:15:01] [INFO ] Invariant cache hit.
[2023-03-19 00:15:01] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-19 00:15:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 00:15:01] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-19 00:15:01] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-19 00:15:01] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), p1]
Product exploration explored 100000 steps with 25006 reset in 97 ms.
Product exploration explored 100000 steps with 24991 reset in 120 ms.
Support contains 2 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-19 00:15:01] [INFO ] Invariant cache hit.
[2023-03-19 00:15:01] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-19 00:15:01] [INFO ] Invariant cache hit.
[2023-03-19 00:15:01] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
[2023-03-19 00:15:01] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 00:15:01] [INFO ] Invariant cache hit.
[2023-03-19 00:15:01] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110 ms. Remains : 6/6 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11 finished in 3978 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 4 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 00:15:01] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-19 00:15:01] [INFO ] Implicit Places using invariants in 31 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 8
Applied a total of 2 rules in 2 ms. Remains 7 /8 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 7 cols
[2023-03-19 00:15:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 00:15:01] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 00:15:01] [INFO ] Invariant cache hit.
[2023-03-19 00:15:01] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/9 places, 8/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 114 ms. Remains : 7/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 157 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (LT s3 1) (GEQ s0 1) (GEQ s2 1) (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]]
Product exploration explored 100000 steps with 0 reset in 175 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-MT0256DC0128-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-14 finished in 473 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!p0)))'
Support contains 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 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 00:15:02] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-19 00:15:02] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-19 00:15:02] [INFO ] Invariant cache hit.
[2023-03-19 00:15:02] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2023-03-19 00:15:02] [INFO ] Invariant cache hit.
[2023-03-19 00:15:02] [INFO ] Dead Transitions using invariants and state equation in 32 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 119 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 111 ms :[true, p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(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-sensitive, terminal, 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 1 ms.
FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-15 finished in 249 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||F(p1))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((!p0||G(!p1)))||X((p2 U p3))))'
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 U p1)) U p0))'
[2023-03-19 00:15:02] [INFO ] Flatten gal took : 5 ms
[2023-03-19 00:15:02] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-19 00:15:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 9 places, 8 transitions and 27 arcs took 1 ms.
Total runtime 25934 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SmallOperatingSystem-PT-MT0256DC0128
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
LTLFireability

FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679184904163

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:436
lola: rewrite Frontend/Parser/formula_rewrite.k:521
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:331
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-05
lola: result : true
lola: markings : 257
lola: fired transitions : 256
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 4 (type EXCL) for 3 SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 4 (type EXCL) for SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09
lola: result : true
lola: markings : 257
lola: fired transitions : 256
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 7 (type EXCL) for 6 SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 7 (type EXCL) for SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11
lola: result : true
lola: markings : 257
lola: fired transitions : 256
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-MT0256DC0128-LTLFireability-05: LTL true LTL model checker
SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-09: LTL true LTL model checker
SmallOperatingSystem-PT-MT0256DC0128-LTLFireability-11: LTL true LTL model checker


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Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT0256DC0128"
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-MT0256DC0128, 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-167912646900068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0256DC0128.tgz
mv SmallOperatingSystem-PT-MT0256DC0128 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 ;