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.r457-smll-167912648800092.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)
.............................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SmallOperatingSystem-PT-MT1024DC0256, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r457-smll-167912648800092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 11K Feb 25 12:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 12:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 25 12:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 25 12:40 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 4.9K Feb 25 17:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 17:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 17:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 12:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 12:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 12:41 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-MT1024DC0256-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679250554648

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SmallOperatingSystem-PT-MT1024DC0256
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 18:29:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 18:29:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 18:29:17] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2023-03-19 18:29:17] [INFO ] Transformed 9 places.
[2023-03-19 18:29:17] [INFO ] Transformed 8 transitions.
[2023-03-19 18:29:17] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 128 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-04 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 13 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 18:29:17] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-19 18:29:17] [INFO ] Implicit Places using invariants in 151 ms returned []
[2023-03-19 18:29:17] [INFO ] Invariant cache hit.
[2023-03-19 18:29:17] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2023-03-19 18:29:17] [INFO ] Invariant cache hit.
[2023-03-19 18:29:17] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 282 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2023-03-19 18:29:18] [INFO ] Flatten gal took : 20 ms
[2023-03-19 18:29:18] [INFO ] Flatten gal took : 6 ms
[2023-03-19 18:29:18] [INFO ] Input system was already deterministic with 8 transitions.
Finished random walk after 8737 steps, including 2 resets, run visited all 14 properties in 136 ms. (steps per millisecond=64 )
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(G(p1)))))'
Support contains 5 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 5 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 18:29:18] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 18:29:18] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 18:29:18] [INFO ] Invariant cache hit.
[2023-03-19 18:29:18] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-19 18:29:18] [INFO ] Invariant cache hit.
[2023-03-19 18:29:18] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 347 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s1 1) (LT s2 1)), p1:(OR (GEQ s4 1) (LT s0 1) (LT s2 1) (LT s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-01 finished in 529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 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
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 18:29:19] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 18:29:19] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-19 18:29:19] [INFO ] Invariant cache hit.
[2023-03-19 18:29:19] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
[2023-03-19 18:29:19] [INFO ] Invariant cache hit.
[2023-03-19 18:29:19] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 114 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-03 finished in 255 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 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 7 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 18:29:19] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 18:29:19] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 18:29:19] [INFO ] Invariant cache hit.
[2023-03-19 18:29:19] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-19 18:29:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:19] [INFO ] Invariant cache hit.
[2023-03-19 18:29:19] [INFO ] Dead Transitions using invariants and state equation in 27 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 103 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 24960 reset in 285 ms.
Product exploration explored 100000 steps with 24990 reset in 183 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 140 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)]
Finished random walk after 258 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=129 )
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 154 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2023-03-19 18:29:20] [INFO ] Invariant cache hit.
[2023-03-19 18:29:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 18:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 18:29:20] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-19 18:29:20] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-19 18:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Could not prove EG (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 18:29:20] [INFO ] Invariant cache hit.
[2023-03-19 18:29:20] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-19 18:29:20] [INFO ] Invariant cache hit.
[2023-03-19 18:29:20] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-19 18:29:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:20] [INFO ] Invariant cache hit.
[2023-03-19 18:29:20] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 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), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 126 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Finished random walk after 258 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=129 )
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 149 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2023-03-19 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-19 18:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 18:29:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-19 18:29:21] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-19 18:29:21] [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 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 24982 reset in 171 ms.
Product exploration explored 100000 steps with 24991 reset in 116 ms.
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 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [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 18:29:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 96 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-05 finished in 2164 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((F((G(F((p1 U (p2||G(p1)))))||(!p3&&F((p1 U (p2||G(p1)))))))&&p0)))'
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.
// Phase 1: matrix 8 rows 9 cols
[2023-03-19 18:29:21] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 18:29:21] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [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 18:29:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:21] [INFO ] Invariant cache hit.
[2023-03-19 18:29:21] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 99 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(OR (AND p0 (NOT p2) (NOT p1)) (AND p0 (NOT p2) (NOT p3))), acceptance={} source=0 dest: 1}, { cond=(AND p0 p3), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p3))), acceptance={} source=2 dest: 1}, { cond=p3, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(AND (OR (LT s0 1) (LT s1 1) (LT s2 1)) (OR (LT s4 1) (LT s6 1))), p2:(AND (NOT (AND (GEQ s4 1) (GEQ s6 1))) (GEQ s3 1)), p1:(GEQ s3 1), p3:(GEQ s8 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 1 reset in 336 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-06 finished in 609 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) U !(G(F(X(G(p2))))&&p1))))'
Support contains 6 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 3 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 18:29:22] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-19 18:29:22] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-19 18:29:22] [INFO ] Invariant cache hit.
[2023-03-19 18:29:22] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-19 18:29:22] [INFO ] Invariant cache hit.
[2023-03-19 18:29:22] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 91 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p2), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), p0, (AND p0 (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=p1, acceptance={} source=1 dest: 3}, { cond=(AND p0 p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p2, acceptance={} source=3 dest: 3}, { cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 p1), acceptance={} source=4 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 5}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=4 dest: 6}], [{ cond=p0, acceptance={0} source=5 dest: 5}], [{ cond=(AND p0 p2), acceptance={} source=6 dest: 6}, { cond=(AND p0 (NOT p2)), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1)), p0:(AND (GEQ s7 1) (GEQ s0 1) (GEQ s1 1) (GEQ s2 1)), p2:(AND (GEQ s4 1) (GEQ s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 265 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-07 finished in 664 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((F(p2)&&p1))||X(F(!p2))))'
Support contains 4 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 1 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2023-03-19 18:29:23] [INFO ] Invariant cache hit.
[2023-03-19 18:29:23] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 18:29:23] [INFO ] Invariant cache hit.
[2023-03-19 18:29:23] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-03-19 18:29:23] [INFO ] Invariant cache hit.
[2023-03-19 18:29:23] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 95 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 227 ms :[p2, (AND p2 p0 (NOT p1)), (AND p2 p0), (AND p2 (NOT p1)), (AND p2 p0 (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND p0 p1), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 4}], [{ cond=(AND p0 p2), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 0}, { cond=(AND p1 p2), acceptance={} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1) p2), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=4 dest: 2}, { cond=(AND p0 p1 p2), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=4 dest: 4}]], initial=1, aps=[p2:(GEQ s7 1), p0:(OR (LT s0 1) (LT s1 1) (LT s2 1)), p1:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 164 ms.
Product exploration explored 100000 steps with 50000 reset in 162 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 p2) (NOT p0) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND p0 p1 p2))), (X (NOT (AND p1 p2))), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND p0 p2))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT (AND p0 p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT p2))
Knowledge based reduction with 19 factoid took 390 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-09 finished in 1066 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)||G(F(!p1)))))'
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.
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 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-19 18:29:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 93 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1)), p1:(GEQ s7 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 132 reset in 127 ms.
Stack based approach found an accepted trace after 91 steps with 3 reset with depth 31 and stack size 17 in 2 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-10 finished in 320 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) U ((!p1&&X(!p0))||X(G(!p0)))))'
Support contains 5 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 1 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 84 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 91 ms :[p0, p0, true]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND p1 p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s4 1) (GEQ s6 1)), p1:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 73 ms.
Product exploration explored 100000 steps with 50000 reset in 91 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 p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), true, (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge :(X (NOT p0))
Knowledge based reduction with 7 factoid took 192 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-11 finished in 554 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||G(!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.
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 18:29:24] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-19 18:29:25] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 169 ms :[true, false, p0, false, false]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=3, aps=[p0:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 18 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-12 finished in 282 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(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 18:29:25] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-19 18:29:25] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-19 18:29:25] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-19 18:29:25] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Dead Transitions using invariants and state equation in 27 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 92 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-13 finished in 195 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((F(!p1)&&X(!p2)&&p0)))))'
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 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 18:29:25] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-19 18:29:25] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-19 18:29:25] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-19 18:29:25] [INFO ] Invariant cache hit.
[2023-03-19 18:29:25] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p0) p2 p1), (OR (NOT p0) p2 p1), (OR (NOT p0) p2 p1), p2, p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-14 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: 2}, { cond=p0, acceptance={} source=2 dest: 3}, { cond=(AND p0 p1), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) p2), acceptance={} source=3 dest: 2}, { cond=(AND p0 p2), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1 p2), acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (LT s8 1) (OR (LT s0 1) (LT s1 1) (LT s2 1))), p1:(AND (GEQ s4 1) (GEQ s6 1)), p2:(GEQ s4 1)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 274 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-14 finished in 618 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((!p0||(!p1&&F(!p2)))) U (p2 U X(!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.
[2023-03-19 18:29:26] [INFO ] Invariant cache hit.
[2023-03-19 18:29:26] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 18:29:26] [INFO ] Invariant cache hit.
[2023-03-19 18:29:26] [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 18:29:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 18:29:26] [INFO ] Invariant cache hit.
[2023-03-19 18:29:26] [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 100 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 140 ms :[p2, (AND p2 p0 p1), p2, true]
Running random walk in product with property : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND p2 p0 p1), acceptance={} source=1 dest: 3}], [{ cond=p2, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(GEQ s3 1), p0:(GEQ s8 1), p1:(AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 40040 reset in 125 ms.
Stack based approach found an accepted trace after 9415 steps with 3791 reset with depth 9 and stack size 9 in 21 ms.
FORMULA SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-15 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' '!(F(p0))'
[2023-03-19 18:29:26] [INFO ] Flatten gal took : 3 ms
[2023-03-19 18:29:26] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-19 18:29:26] [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 9427 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/970/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-05

BK_STOP 1679250568475

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name SmallOperatingSystem-PT-MT1024DC0256-LTLFireability-05
ltl formula formula --ltl=/tmp/970/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 9 places, 8 transitions and 27 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/970/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/970/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/970/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/970/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT1024DC0256"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SmallOperatingSystem-PT-MT1024DC0256, 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 r457-smll-167912648800092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT1024DC0256.tgz
mv SmallOperatingSystem-PT-MT1024DC0256 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 ;