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.r361-smll-167891811000204.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 SafeBus-COL-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r361-smll-167891811000204
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 01:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 01:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 26 01:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 42K 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 SafeBus-COL-03-LTLFireability-00
FORMULA_NAME SafeBus-COL-03-LTLFireability-01
FORMULA_NAME SafeBus-COL-03-LTLFireability-02
FORMULA_NAME SafeBus-COL-03-LTLFireability-03
FORMULA_NAME SafeBus-COL-03-LTLFireability-04
FORMULA_NAME SafeBus-COL-03-LTLFireability-05
FORMULA_NAME SafeBus-COL-03-LTLFireability-06
FORMULA_NAME SafeBus-COL-03-LTLFireability-07
FORMULA_NAME SafeBus-COL-03-LTLFireability-08
FORMULA_NAME SafeBus-COL-03-LTLFireability-09
FORMULA_NAME SafeBus-COL-03-LTLFireability-10
FORMULA_NAME SafeBus-COL-03-LTLFireability-11
FORMULA_NAME SafeBus-COL-03-LTLFireability-12
FORMULA_NAME SafeBus-COL-03-LTLFireability-13
FORMULA_NAME SafeBus-COL-03-LTLFireability-14
FORMULA_NAME SafeBus-COL-03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679089475264

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=SafeBus-COL-03
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 21:44:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 21:44:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 21:44:37] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-17 21:44:38] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 21:44:38] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 791 ms
[2023-03-17 21:44:38] [INFO ] Detected 1 constant HL places corresponding to 3 PT places.
[2023-03-17 21:44:38] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 60 PT places and 214.0 transition bindings in 30 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2023-03-17 21:44:38] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 25 ms.
[2023-03-17 21:44:38] [INFO ] Skeletonized 12 HLPN properties in 2 ms. Removed 4 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA SafeBus-COL-03-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 10 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 10000 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 14) seen :13
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 14 rows 17 cols
[2023-03-17 21:44:39] [INFO ] Computed 7 place invariants in 8 ms
[2023-03-17 21:44:39] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2023-03-17 21:44:39] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-17 21:44:39] [INFO ] After 161ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
FORMULA SafeBus-COL-03-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 21:44:39] [INFO ] Flatten gal took : 22 ms
[2023-03-17 21:44:39] [INFO ] Flatten gal took : 6 ms
Domain [It(3), It(3)] of place AMC breaks symmetries in sort It
[2023-03-17 21:44:39] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 19 ms.
[2023-03-17 21:44:39] [INFO ] Unfolded 14 HLPN properties in 0 ms.
[2023-03-17 21:44:39] [INFO ] Reduced 3 identical enabling conditions.
[2023-03-17 21:44:39] [INFO ] Reduced 3 identical enabling conditions.
[2023-03-17 21:44:39] [INFO ] Reduced 3 identical enabling conditions.
[2023-03-17 21:44:39] [INFO ] Reduced 3 identical enabling conditions.
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 6 transitions.
Support contains 54 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 9 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 21:44:39] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:44:39] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-17 21:44:39] [INFO ] Implicit Places using invariants in 90 ms returned []
[2023-03-17 21:44:39] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 21:44:39] [INFO ] Invariant cache hit.
[2023-03-17 21:44:39] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:39] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2023-03-17 21:44:39] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 21:44:39] [INFO ] Invariant cache hit.
[2023-03-17 21:44:39] [INFO ] Dead Transitions using invariants and state equation in 213 ms found 9 transitions.
Found 9 dead transitions using SMT.
Drop transitions removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in LTL mode, iteration 1 : 54/54 places, 82/91 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 432 ms. Remains : 54/54 places, 82/91 transitions.
Support contains 54 out of 54 places after structural reductions.
[2023-03-17 21:44:39] [INFO ] Flatten gal took : 22 ms
[2023-03-17 21:44:40] [INFO ] Flatten gal took : 28 ms
[2023-03-17 21:44:40] [INFO ] Input system was already deterministic with 82 transitions.
Finished random walk after 667 steps, including 0 resets, run visited all 17 properties in 15 ms. (steps per millisecond=44 )
FORMULA SafeBus-COL-03-LTLFireability-11 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(F(p0)))'
Support contains 4 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:40] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:40] [INFO ] Invariant cache hit.
[2023-03-17 21:44:40] [INFO ] Implicit Places using invariants in 105 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 107 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 112 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 276 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s39 1) (GEQ s42 1)) (AND (GEQ s40 1) (GEQ s42 1)) (AND (GEQ s38 1) (GEQ s42 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 17330 reset in 416 ms.
Product exploration explored 100000 steps with 17316 reset in 280 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 126 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 134 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 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2023-03-17 21:44:42] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:44:42] [INFO ] Computed 14 place invariants in 3 ms
[2023-03-17 21:44:42] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:42] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-17 21:44:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:42] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2023-03-17 21:44:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:42] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:44:42] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 18 ms returned sat
[2023-03-17 21:44:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:42] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-17 21:44:42] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:42] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:44:42] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 4 ms to minimize.
[2023-03-17 21:44:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2023-03-17 21:44:42] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 22 ms.
[2023-03-17 21:44:42] [INFO ] Added : 32 causal constraints over 7 iterations in 212 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Applied a total of 6 rules in 15 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-17 21:44:42] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-17 21:44:42] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-17 21:44:42] [INFO ] Implicit Places using invariants in 135 ms returned []
[2023-03-17 21:44:42] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:42] [INFO ] Invariant cache hit.
[2023-03-17 21:44:43] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:43] [INFO ] Implicit Places using invariants and state equation in 396 ms returned []
Implicit Place search using SMT with State Equation took 537 ms to find 0 implicit places.
[2023-03-17 21:44:43] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 21:44:43] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:43] [INFO ] Invariant cache hit.
[2023-03-17 21:44:43] [INFO ] Dead Transitions using invariants and state equation in 105 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 48/51 places, 79/82 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 666 ms. Remains : 48/51 places, 79/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 203 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2023-03-17 21:44:43] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:43] [INFO ] Invariant cache hit.
[2023-03-17 21:44:44] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-17 21:44:44] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-17 21:44:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:44] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-17 21:44:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:44] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:44:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:44] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2023-03-17 21:44:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 35 ms returned sat
[2023-03-17 21:44:44] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
[2023-03-17 21:44:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2023-03-17 21:44:44] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 13 ms.
[2023-03-17 21:44:44] [INFO ] Added : 31 causal constraints over 7 iterations in 118 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Product exploration explored 100000 steps with 17615 reset in 197 ms.
Product exploration explored 100000 steps with 17648 reset in 165 ms.
Support contains 4 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 5 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:44:44] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:44] [INFO ] Invariant cache hit.
[2023-03-17 21:44:44] [INFO ] Implicit Places using invariants in 87 ms returned []
[2023-03-17 21:44:44] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:44] [INFO ] Invariant cache hit.
[2023-03-17 21:44:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:45] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2023-03-17 21:44:45] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:44:45] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:44:45] [INFO ] Invariant cache hit.
[2023-03-17 21:44:45] [INFO ] Dead Transitions using invariants and state equation in 69 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 283 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-00 finished in 4530 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 16 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:44:45] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-17 21:44:45] [INFO ] Implicit Places using invariants in 66 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 69 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 82
Applied a total of 12 rules in 11 ms. Remains 45 /51 variables (removed 6) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 21:44:45] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-17 21:44:45] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-17 21:44:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:45] [INFO ] Invariant cache hit.
[2023-03-17 21:44:45] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:45] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/54 places, 82/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 238 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-01 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 (OR (LT s0 1) (LT s9 1) (LT s16 1) (LT s41 1)) (OR (LT s0 1) (LT s8 1) (LT s19 1) (LT s41 1)) (OR (LT s2 1) (LT s7 1) (LT s21 1) (LT s41 1)) (OR (...], 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 10310 reset in 328 ms.
Product exploration explored 100000 steps with 10255 reset in 499 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 187 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0)]
Support contains 16 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 82/82 transitions.
Applied a total of 0 rules in 6 ms. Remains 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:46] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:46] [INFO ] Invariant cache hit.
[2023-03-17 21:44:47] [INFO ] Implicit Places using invariants in 181 ms returned []
[2023-03-17 21:44:47] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:47] [INFO ] Invariant cache hit.
[2023-03-17 21:44:47] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:47] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
[2023-03-17 21:44:47] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 21:44:47] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:47] [INFO ] Invariant cache hit.
[2023-03-17 21:44:47] [INFO ] Dead Transitions using invariants and state equation in 131 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 536 ms. Remains : 45/45 places, 82/82 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 234 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 144 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10279 reset in 362 ms.
Product exploration explored 100000 steps with 10405 reset in 357 ms.
Support contains 16 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:48] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:48] [INFO ] Invariant cache hit.
[2023-03-17 21:44:49] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-17 21:44:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:49] [INFO ] Invariant cache hit.
[2023-03-17 21:44:49] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:49] [INFO ] Implicit Places using invariants and state equation in 166 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2023-03-17 21:44:49] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:44:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:49] [INFO ] Invariant cache hit.
[2023-03-17 21:44:49] [INFO ] Dead Transitions using invariants and state equation in 96 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 371 ms. Remains : 45/45 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-01 finished in 4217 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(!p0)||(F(p1)&&X((p2 U !p1)))))))'
Support contains 23 out of 54 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:44:49] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-17 21:44:49] [INFO ] Implicit Places using invariants in 70 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 76 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 78 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 191 ms :[p0, (AND (NOT p1) p0), (AND p1 p0), p0]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p1:(AND (OR (LT s25 1) (LT s34 1) (LT s47 1)) (OR (LT s23 1) (LT s34 1) (LT s47 1)) (OR (LT s26 1) (LT s34 1) (LT s47 1)) (OR (LT s22 1) (LT s34 1) (LT s4...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 8750 reset in 486 ms.
Product exploration explored 100000 steps with 8751 reset in 450 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 p1 p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 282 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND p0 p1), (AND p0 p1)]
Finished random walk after 19 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=9 )
Knowledge obtained : [(AND p1 p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 6 factoid took 314 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 80 ms :[(AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 74 ms :[(AND p0 p1), (AND p0 p1)]
[2023-03-17 21:44:51] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:44:51] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-17 21:44:51] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-17 21:44:51] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-17 21:44:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:51] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-17 21:44:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:51] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:44:51] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 21:44:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:52] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-17 21:44:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:52] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:44:52] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:44:52] [INFO ] Added : 15 causal constraints over 3 iterations in 66 ms. Result :sat
Could not prove EG (AND p0 p1)
Support contains 23 out of 51 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:52] [INFO ] Invariant cache hit.
[2023-03-17 21:44:52] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-17 21:44:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:52] [INFO ] Invariant cache hit.
[2023-03-17 21:44:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:52] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2023-03-17 21:44:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:52] [INFO ] Invariant cache hit.
[2023-03-17 21:44:52] [INFO ] Dead Transitions using invariants and state equation in 93 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 281 ms. Remains : 51/51 places, 82/82 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 p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 265 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND p0 p1), (AND p0 p1)]
Finished random walk after 4 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 5 factoid took 252 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 80 ms :[(AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 128 ms :[(AND p0 p1), (AND p0 p1)]
[2023-03-17 21:44:53] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:53] [INFO ] Invariant cache hit.
[2023-03-17 21:44:53] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:53] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-17 21:44:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:53] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2023-03-17 21:44:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:53] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:44:53] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 21:44:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:53] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-17 21:44:53] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:53] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:44:53] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 13 ms.
[2023-03-17 21:44:53] [INFO ] Added : 9 causal constraints over 2 iterations in 120 ms. Result :sat
Could not prove EG (AND p0 p1)
Stuttering acceptance computed with spot in 78 ms :[(AND p0 p1), (AND p0 p1)]
Product exploration explored 100000 steps with 8763 reset in 471 ms.
Product exploration explored 100000 steps with 8711 reset in 487 ms.
Applying partial POR strategy [true, false]
Stuttering acceptance computed with spot in 77 ms :[(AND p0 p1), (AND p0 p1)]
Support contains 23 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 82
Deduced a syphon composed of 3 places in 1 ms
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 51 transition count 82
Deduced a syphon composed of 3 places in 0 ms
Applied a total of 3 rules in 9 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:55] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:44:55] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:44:55] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/51 places, 82/82 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 115 ms. Remains : 51/51 places, 82/82 transitions.
Support contains 23 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:44:55] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-17 21:44:55] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:55] [INFO ] Invariant cache hit.
[2023-03-17 21:44:55] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:55] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:55] [INFO ] Invariant cache hit.
[2023-03-17 21:44:55] [INFO ] Dead Transitions using invariants and state equation in 75 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 249 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-02 finished in 6333 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 7 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 7 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:44:55] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-17 21:44:55] [INFO ] Implicit Places using invariants in 96 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 97 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 82
Applied a total of 12 rules in 9 ms. Remains 45 /51 variables (removed 6) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:55] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 21:44:55] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:44:56] [INFO ] Implicit Places using invariants in 186 ms returned []
[2023-03-17 21:44:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:56] [INFO ] Invariant cache hit.
[2023-03-17 21:44:56] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:56] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/54 places, 82/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 441 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s7 1) (GEQ s10 1)) (AND (GEQ s9 1) (GEQ s12 1)) (AND (GEQ s8 1) (GEQ s11 1))), p1:(OR (AND (GEQ s11 1) (GEQ s40 1)) (AND (GEQ s12 1) (GEQ...], 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 200 ms.
Stack based approach found an accepted trace after 50 steps with 0 reset with depth 51 and stack size 51 in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-03 finished in 792 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(F(p0)))||(X(p2)&&p1)))))'
Support contains 15 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:44:56] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-17 21:44:56] [INFO ] Implicit Places using invariants in 92 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 113 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 117 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 264 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={} source=5 dest: 1}, { cond=p1, acceptance={} source=5 dest: 2}]], initial=3, aps=[p1:(AND (GEQ s34 1) (GEQ s42 1)), p2:(OR (AND (GEQ s22 1) (GEQ s41 1)) (AND (GEQ s27 1) (GEQ s41 1)) (AND (GEQ s26 1) (GEQ s41 1)) (AND (GEQ s25 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 7465 reset in 182 ms.
Product exploration explored 100000 steps with 7449 reset in 186 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) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 272 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 204 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Finished random walk after 4 steps, including 0 resets, run visited all 4 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : [(F (AND (NOT p0) p1 (NOT p2))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 5 factoid took 326 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Stuttering acceptance computed with spot in 306 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
[2023-03-17 21:44:58] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:44:58] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:44:58] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:58] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 21:44:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:58] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-17 21:44:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:58] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:58] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 21:44:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:58] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:44:58] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:58] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2023-03-17 21:44:58] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:44:59] [INFO ] Added : 20 causal constraints over 4 iterations in 53 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-17 21:44:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:59] [INFO ] Invariant cache hit.
[2023-03-17 21:44:59] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:44:59] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-17 21:44:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:59] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-17 21:44:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:44:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:44:59] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 21:44:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:44:59] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2023-03-17 21:44:59] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:59] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2023-03-17 21:44:59] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:44:59] [INFO ] Added : 20 causal constraints over 4 iterations in 81 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 15 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:44:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:59] [INFO ] Invariant cache hit.
[2023-03-17 21:44:59] [INFO ] Implicit Places using invariants in 54 ms returned []
[2023-03-17 21:44:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:59] [INFO ] Invariant cache hit.
[2023-03-17 21:44:59] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:44:59] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2023-03-17 21:44:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:44:59] [INFO ] Invariant cache hit.
[2023-03-17 21:44:59] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 253 ms. Remains : 51/51 places, 82/82 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) (NOT p2)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 203 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Finished random walk after 31 steps, including 0 resets, run visited all 4 properties in 8 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), true]
False Knowledge obtained : [(F (AND (NOT p0) p1 (NOT p2))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 2 factoid took 267 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Stuttering acceptance computed with spot in 197 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
[2023-03-17 21:45:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:00] [INFO ] Invariant cache hit.
[2023-03-17 21:45:00] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:45:00] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 21:45:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:00] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-17 21:45:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:00] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:00] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2023-03-17 21:45:00] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:00] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2023-03-17 21:45:00] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:00] [INFO ] Added : 24 causal constraints over 5 iterations in 67 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-17 21:45:01] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:01] [INFO ] Invariant cache hit.
[2023-03-17 21:45:01] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:01] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 10 ms returned sat
[2023-03-17 21:45:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:01] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-17 21:45:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:01] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 21:45:01] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:01] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2023-03-17 21:45:01] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:01] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2023-03-17 21:45:01] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 12 ms.
[2023-03-17 21:45:01] [INFO ] Added : 20 causal constraints over 4 iterations in 72 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 216 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Product exploration explored 100000 steps with 7472 reset in 185 ms.
Product exploration explored 100000 steps with 7449 reset in 198 ms.
Support contains 15 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:02] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:02] [INFO ] Invariant cache hit.
[2023-03-17 21:45:02] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-17 21:45:02] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:02] [INFO ] Invariant cache hit.
[2023-03-17 21:45:02] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:02] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
[2023-03-17 21:45:02] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:02] [INFO ] Invariant cache hit.
[2023-03-17 21:45:02] [INFO ] Dead Transitions using invariants and state equation in 77 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 268 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-04 finished in 5837 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||G(F(p1))))))'
Support contains 20 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:02] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:45:02] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-17 21:45:02] [INFO ] Implicit Places using invariants in 119 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 133 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 5 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 144 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (OR (LT s40 1) (LT s46 1)) (OR (LT s38 1) (LT s44 1)) (OR (LT s39 1) (LT s45 1))), p1:(OR (AND (GEQ s0 1) (GEQ s6 1) (GEQ s16 1) (GEQ s47 1)) (AND...], 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 5083 reset in 168 ms.
Product exploration explored 100000 steps with 5098 reset in 192 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 11 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=11 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 3 factoid took 156 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 20 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-17 21:45:03] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:45:03] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-17 21:45:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:03] [INFO ] Invariant cache hit.
[2023-03-17 21:45:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:03] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2023-03-17 21:45:03] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 21:45:03] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:03] [INFO ] Invariant cache hit.
[2023-03-17 21:45:03] [INFO ] Dead Transitions using invariants and state equation in 80 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 280 ms. Remains : 51/51 places, 82/82 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 p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 117 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 14 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=14 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 3 factoid took 162 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5155 reset in 199 ms.
Product exploration explored 100000 steps with 5123 reset in 194 ms.
Support contains 20 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:04] [INFO ] Invariant cache hit.
[2023-03-17 21:45:04] [INFO ] Implicit Places using invariants in 100 ms returned []
[2023-03-17 21:45:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:04] [INFO ] Invariant cache hit.
[2023-03-17 21:45:05] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:05] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2023-03-17 21:45:05] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:45:05] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:05] [INFO ] Invariant cache hit.
[2023-03-17 21:45:05] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 336 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-05 finished in 2839 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(X(X(X(p0))))))||(X(p0) U p1)))'
Support contains 14 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:05] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:45:05] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-17 21:45:05] [INFO ] Implicit Places using invariants in 63 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 74 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 76 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 509 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 9}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 2}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=6 dest: 3}], [{ cond=true, acceptance={} source=7 dest: 4}], [{ cond=true, acceptance={} source=8 dest: 7}], [{ cond=(NOT p0), acceptance={} source=9 dest: 8}, { cond=(AND (NOT p1) p0), acceptance={} source=9 dest: 10}], [{ cond=(AND (NOT p1) p0), acceptance={} source=10 dest: 5}, { cond=(NOT p0), acceptance={} source=10 dest: 7}]], initial=1, aps=[p1:(OR (AND (GEQ s25 1) (GEQ s34 1) (GEQ s47 1)) (AND (GEQ s23 1) (GEQ s34 1) (GEQ s47 1)) (AND (GEQ s26 1) (GEQ s34 1) (GEQ s47 1)) (AND (GEQ s22 1) (GEQ...], 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, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-07 finished in 610 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X((G(F(!p0))||G(p1))))) U G(!p0)))'
Support contains 6 out of 54 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 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:05] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:05] [INFO ] Invariant cache hit.
[2023-03-17 21:45:05] [INFO ] Implicit Places using invariants in 83 ms returned []
[2023-03-17 21:45:05] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:05] [INFO ] Invariant cache hit.
[2023-03-17 21:45:05] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:06] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2023-03-17 21:45:06] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 21:45:06] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:06] [INFO ] Invariant cache hit.
[2023-03-17 21:45:06] [INFO ] Dead Transitions using invariants and state equation in 175 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 469 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 84 ms :[p0]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s29 1) (GEQ s39 1)) (AND (GEQ s30 1) (GEQ s40 1)) (AND (GEQ s28 1) (GEQ s38 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 191 ms.
Stack based approach found an accepted trace after 41 steps with 0 reset with depth 42 and stack size 42 in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-08 finished in 766 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0&&X((!p0 U (!p1||G(!p0)))))) U (G(p2)||X(X(p0)))))'
Support contains 26 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:06] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:06] [INFO ] Invariant cache hit.
[2023-03-17 21:45:06] [INFO ] Implicit Places using invariants in 127 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 138 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 9 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 149 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 802 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (NOT p0), false, true, false, (AND (NOT p0) (NOT p2)), false, false, (AND (NOT p2) (NOT p0)), (AND p0 p1), (AND (NOT p2) p0 p1), (NOT p2)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=p2, acceptance={} source=0 dest: 3}], [{ cond=p0, acceptance={} source=1 dest: 4}, { cond=(NOT p0), acceptance={} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={} source=2 dest: 7}, { cond=true, acceptance={} source=2 dest: 8}, { cond=p2, acceptance={} source=2 dest: 9}], [{ cond=(AND (NOT p2) p0), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=3 dest: 5}, { cond=(AND p2 (NOT p0)), acceptance={} source=3 dest: 10}, { cond=(AND p2 p0), acceptance={} source=3 dest: 11}], [{ cond=(NOT p0), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 12}], [{ cond=true, acceptance={0} source=6 dest: 6}], [{ cond=(NOT p0), acceptance={} source=7 dest: 5}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=8 dest: 7}, { cond=(AND p2 (NOT p0)), acceptance={} source=8 dest: 8}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=8 dest: 8}, { cond=(AND p2 (NOT p0)), acceptance={} source=8 dest: 9}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=9 dest: 5}, { cond=(AND p2 (NOT p0)), acceptance={} source=9 dest: 10}], [{ cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=10 dest: 12}, { cond=(AND p2 (NOT p0) p1), acceptance={} source=10 dest: 13}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=11 dest: 6}, { cond=(AND p2 (NOT p0)), acceptance={} source=11 dest: 14}], [{ cond=(AND p0 p1), acceptance={} source=12 dest: 6}, { cond=(AND (NOT p0) p1), acceptance={} source=12 dest: 12}], [{ cond=(AND (NOT p2) p0 p1), acceptance={} source=13 dest: 6}, { cond=(AND p2 p0 p1), acceptance={} source=13 dest: 14}], [{ cond=(NOT p2), acceptance={} source=14 dest: 6}, { cond=p2, acceptance={} source=14 dest: 14}]], initial=0, aps=[p2:(OR (AND (GEQ s11 1) (GEQ s43 1)) (AND (GEQ s12 1) (GEQ s43 1)) (AND (GEQ s10 1) (GEQ s43 1))), p0:(OR (AND (GEQ s0 1) (GEQ s9 1) (GEQ s16 1) (GEQ s47 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 52 steps with 13 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-09 finished in 976 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)))'
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:07] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:07] [INFO ] Invariant cache hit.
[2023-03-17 21:45:07] [INFO ] Implicit Places using invariants in 75 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 85 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 87 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(OR (AND (GEQ s4 1) (GEQ s49 1)) (AND (GEQ s4 1) (GEQ s50 1)) (AND (GEQ s5 1) (GEQ s48 1)) (AND (GEQ s4 1) (GEQ s48 1)) (AND (GEQ s5 1) (GEQ s49 1)) (A...], 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-12 finished in 241 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(p2)&&p1))&&p0)))'
Support contains 31 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 0 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:07] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:07] [INFO ] Invariant cache hit.
[2023-03-17 21:45:07] [INFO ] Implicit Places using invariants in 44 ms returned []
[2023-03-17 21:45:07] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:07] [INFO ] Invariant cache hit.
[2023-03-17 21:45:07] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:07] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2023-03-17 21:45:07] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:07] [INFO ] Invariant cache hit.
[2023-03-17 21:45:08] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 261 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 265 ms :[true, (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : SafeBus-COL-03-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: 4}], [{ cond=(NOT p2), acceptance={} source=3 dest: 0}, { cond=p2, acceptance={} source=3 dest: 3}], [{ cond=(OR (NOT p1) (NOT p2)), acceptance={} source=4 dest: 0}, { cond=(AND p1 p2), acceptance={} source=4 dest: 3}]], initial=1, aps=[p0:(AND (OR (AND (GEQ s5 1) (GEQ s33 1)) (AND (GEQ s4 1) (GEQ s32 1)) (AND (GEQ s4 1) (GEQ s33 1)) (AND (GEQ s5 1) (GEQ s31 1)) (AND (GEQ s4 1) (GEQ s31 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, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-13 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' '!(G((F(G(p0))&&F(p1))))'
Support contains 10 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:08] [INFO ] Invariant cache hit.
[2023-03-17 21:45:08] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-17 21:45:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:08] [INFO ] Invariant cache hit.
[2023-03-17 21:45:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:08] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2023-03-17 21:45:08] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:45:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:08] [INFO ] Invariant cache hit.
[2023-03-17 21:45:08] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 341 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s11 1) (GEQ s46 1)) (AND (GEQ s12 1) (GEQ s46 1)) (AND (GEQ s10 1) (GEQ s46 1))), p1:(OR (AND (GEQ s28 1) (GEQ s34 1)) (AND (GEQ s29 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 3 reset in 186 ms.
Stack based approach found an accepted trace after 70 steps with 0 reset with depth 71 and stack size 71 in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-14 finished in 660 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p1)||p0)))'
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:09] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:09] [INFO ] Invariant cache hit.
[2023-03-17 21:45:09] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-17 21:45:09] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:09] [INFO ] Invariant cache hit.
[2023-03-17 21:45:09] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:09] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2023-03-17 21:45:09] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:09] [INFO ] Invariant cache hit.
[2023-03-17 21:45:09] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 274 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s29 1) (GEQ s39 1)) (AND (GEQ s30 1) (GEQ s40 1)) (AND (GEQ s28 1) (GEQ s38 1)) (AND (GEQ s22 1) (GEQ s44 1)) (AND (GEQ s27 1) (GEQ s44 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 24945 reset in 352 ms.
Product exploration explored 100000 steps with 24937 reset in 353 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 (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 149 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 21:45:10] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:10] [INFO ] Invariant cache hit.
[2023-03-17 21:45:10] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:10] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 8 ms returned sat
[2023-03-17 21:45:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:10] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2023-03-17 21:45:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:10] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:10] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 6 ms returned sat
[2023-03-17 21:45:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:11] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-17 21:45:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:11] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:11] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:11] [INFO ] Added : 22 causal constraints over 5 iterations in 82 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:11] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:11] [INFO ] Invariant cache hit.
[2023-03-17 21:45:11] [INFO ] Implicit Places using invariants in 94 ms returned []
[2023-03-17 21:45:11] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:11] [INFO ] Invariant cache hit.
[2023-03-17 21:45:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:11] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
[2023-03-17 21:45:11] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 21:45:11] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:11] [INFO ] Invariant cache hit.
[2023-03-17 21:45:11] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 448 ms. Remains : 54/54 places, 82/82 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 (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 2 factoid took 132 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 21:45:11] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:11] [INFO ] Invariant cache hit.
[2023-03-17 21:45:12] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:12] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 8 ms returned sat
[2023-03-17 21:45:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:12] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2023-03-17 21:45:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:12] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 6 ms returned sat
[2023-03-17 21:45:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:12] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-17 21:45:12] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:12] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:12] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:12] [INFO ] Added : 22 causal constraints over 5 iterations in 77 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 56 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 24979 reset in 344 ms.
Product exploration explored 100000 steps with 25019 reset in 367 ms.
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 15 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:13] [INFO ] Invariant cache hit.
[2023-03-17 21:45:13] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-17 21:45:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:13] [INFO ] Invariant cache hit.
[2023-03-17 21:45:13] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:13] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
[2023-03-17 21:45:13] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 21:45:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:13] [INFO ] Invariant cache hit.
[2023-03-17 21:45:13] [INFO ] Dead Transitions using invariants and state equation in 75 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 398 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-15 finished in 4807 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Found a Shortening insensitive property : SafeBus-COL-03-LTLFireability-00
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Support contains 4 out of 54 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:14] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:14] [INFO ] Invariant cache hit.
[2023-03-17 21:45:14] [INFO ] Implicit Places using invariants in 76 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 96 ms to find 3 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Applied a total of 6 rules in 4 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-17 21:45:14] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-17 21:45:14] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:45:14] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-17 21:45:14] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:14] [INFO ] Invariant cache hit.
[2023-03-17 21:45:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:14] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 48/54 places, 79/82 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 316 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-COL-03-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s39 1) (GEQ s42 1)) (AND (GEQ s40 1) (GEQ s42 1)) (AND (GEQ s38 1) (GEQ s42 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 17612 reset in 139 ms.
Product exploration explored 100000 steps with 17636 reset in 154 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 128 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
[2023-03-17 21:45:14] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:14] [INFO ] Invariant cache hit.
[2023-03-17 21:45:15] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:15] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-17 21:45:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:15] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:45:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:15] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:15] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2023-03-17 21:45:15] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:15] [INFO ] [Nat]Added 13 Read/Feed constraints in 35 ms returned sat
[2023-03-17 21:45:15] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 5 ms to minimize.
[2023-03-17 21:45:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2023-03-17 21:45:15] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:15] [INFO ] Added : 31 causal constraints over 7 iterations in 74 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 10 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:15] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:15] [INFO ] Invariant cache hit.
[2023-03-17 21:45:15] [INFO ] Implicit Places using invariants in 64 ms returned []
[2023-03-17 21:45:15] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:15] [INFO ] Invariant cache hit.
[2023-03-17 21:45:15] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:15] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2023-03-17 21:45:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 21:45:15] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:15] [INFO ] Invariant cache hit.
[2023-03-17 21:45:15] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 331 ms. Remains : 48/48 places, 79/79 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 120 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 68 ms :[(NOT p0)]
Finished random walk after 6 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=6 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 139 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
[2023-03-17 21:45:16] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:16] [INFO ] Invariant cache hit.
[2023-03-17 21:45:16] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:16] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-17 21:45:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:16] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2023-03-17 21:45:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:16] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-17 21:45:16] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:16] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:45:16] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:16] [INFO ] [Nat]Added 13 Read/Feed constraints in 34 ms returned sat
[2023-03-17 21:45:16] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
[2023-03-17 21:45:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2023-03-17 21:45:16] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:16] [INFO ] Added : 31 causal constraints over 7 iterations in 135 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Product exploration explored 100000 steps with 17591 reset in 140 ms.
Product exploration explored 100000 steps with 17603 reset in 157 ms.
Support contains 4 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 3 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:16] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:16] [INFO ] Invariant cache hit.
[2023-03-17 21:45:16] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-17 21:45:16] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:16] [INFO ] Invariant cache hit.
[2023-03-17 21:45:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:17] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2023-03-17 21:45:17] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 21:45:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:17] [INFO ] Invariant cache hit.
[2023-03-17 21:45:17] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 286 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-00 finished in 3363 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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(!p0)||(F(p1)&&X((p2 U !p1)))))))'
Found a Shortening insensitive property : SafeBus-COL-03-LTLFireability-02
Stuttering acceptance computed with spot in 148 ms :[p0, (AND (NOT p1) p0), (AND p1 p0), p0]
Support contains 23 out of 54 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:17] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:45:17] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-17 21:45:17] [INFO ] Implicit Places using invariants in 56 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 67 ms to find 3 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Applied a total of 6 rules in 3 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-17 21:45:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-17 21:45:17] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 21:45:17] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-17 21:45:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:17] [INFO ] Invariant cache hit.
[2023-03-17 21:45:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:17] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 48/54 places, 79/82 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 255 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-COL-03-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p1:(AND (OR (LT s25 1) (LT s34 1) (LT s44 1)) (OR (LT s23 1) (LT s34 1) (LT s44 1)) (OR (LT s26 1) (LT s34 1) (LT s44 1)) (OR (LT s22 1) (LT s34 1) (LT s4...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 10362 reset in 427 ms.
Product exploration explored 100000 steps with 10339 reset in 441 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 p1 p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 240 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 88 ms :[(AND p0 p1), (AND p0 p1)]
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND p1 p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 6 factoid took 258 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 72 ms :[(AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 69 ms :[(AND p0 p1), (AND p0 p1)]
[2023-03-17 21:45:19] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:19] [INFO ] Invariant cache hit.
[2023-03-17 21:45:19] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:19] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 6 ms returned sat
[2023-03-17 21:45:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:19] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-17 21:45:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:19] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:19] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:19] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2023-03-17 21:45:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:19] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2023-03-17 21:45:19] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 0 ms to minimize.
[2023-03-17 21:45:19] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 1 ms to minimize.
[2023-03-17 21:45:19] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 174 ms
[2023-03-17 21:45:20] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:20] [INFO ] Added : 35 causal constraints over 7 iterations in 96 ms. Result :sat
Could not prove EG (AND p0 p1)
Support contains 23 out of 48 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 1 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:20] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:20] [INFO ] Invariant cache hit.
[2023-03-17 21:45:20] [INFO ] Implicit Places using invariants in 73 ms returned []
[2023-03-17 21:45:20] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:20] [INFO ] Invariant cache hit.
[2023-03-17 21:45:20] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:20] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2023-03-17 21:45:20] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:20] [INFO ] Invariant cache hit.
[2023-03-17 21:45:20] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 259 ms. Remains : 48/48 places, 79/79 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 p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 239 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[(AND p0 p1), (AND p0 p1)]
Finished random walk after 3 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 5 factoid took 266 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND p0 p1), (AND p0 p1)]
Stuttering acceptance computed with spot in 70 ms :[(AND p0 p1), (AND p0 p1)]
[2023-03-17 21:45:21] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:21] [INFO ] Invariant cache hit.
[2023-03-17 21:45:21] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:21] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 7 ms returned sat
[2023-03-17 21:45:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:21] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2023-03-17 21:45:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:21] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:21] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:21] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2023-03-17 21:45:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:21] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:21] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
[2023-03-17 21:45:21] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2023-03-17 21:45:21] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 1 ms to minimize.
[2023-03-17 21:45:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 148 ms
[2023-03-17 21:45:21] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:21] [INFO ] Added : 35 causal constraints over 7 iterations in 95 ms. Result :sat
Could not prove EG (AND p0 p1)
Stuttering acceptance computed with spot in 72 ms :[(AND p0 p1), (AND p0 p1)]
Product exploration explored 100000 steps with 10361 reset in 462 ms.
Product exploration explored 100000 steps with 10341 reset in 480 ms.
Applying partial POR strategy [true, false]
Stuttering acceptance computed with spot in 74 ms :[(AND p0 p1), (AND p0 p1)]
Support contains 23 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 5 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 21:45:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:23] [INFO ] Invariant cache hit.
[2023-03-17 21:45:23] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 134 ms. Remains : 48/48 places, 79/79 transitions.
Support contains 23 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 1 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:23] [INFO ] Invariant cache hit.
[2023-03-17 21:45:23] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-17 21:45:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:23] [INFO ] Invariant cache hit.
[2023-03-17 21:45:23] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:23] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2023-03-17 21:45:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:23] [INFO ] Invariant cache hit.
[2023-03-17 21:45:23] [INFO ] Dead Transitions using invariants and state equation in 67 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 237 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-02 finished in 6243 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(F(p0)))||(X(p2)&&p1)))))'
Found a Shortening insensitive property : SafeBus-COL-03-LTLFireability-04
Stuttering acceptance computed with spot in 256 ms :[(AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Support contains 15 out of 54 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:23] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:45:23] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-17 21:45:24] [INFO ] Implicit Places using invariants in 108 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 122 ms to find 3 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Applied a total of 6 rules in 8 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-17 21:45:24] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-17 21:45:24] [INFO ] Computed 14 place invariants in 0 ms
[2023-03-17 21:45:24] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-17 21:45:24] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:24] [INFO ] Invariant cache hit.
[2023-03-17 21:45:24] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:24] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 48/54 places, 79/82 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 351 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-COL-03-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={} source=5 dest: 1}, { cond=p1, acceptance={} source=5 dest: 2}]], initial=3, aps=[p1:(AND (GEQ s34 1) (GEQ s42 1)), p2:(OR (AND (GEQ s22 1) (GEQ s41 1)) (AND (GEQ s27 1) (GEQ s41 1)) (AND (GEQ s26 1) (GEQ s41 1)) (AND (GEQ s25 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 8752 reset in 172 ms.
Product exploration explored 100000 steps with 8773 reset in 188 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) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 293 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 219 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Finished random walk after 8 steps, including 0 resets, run visited all 4 properties in 2 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : [(F (AND (NOT p0) p1 (NOT p2))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 5 factoid took 312 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Stuttering acceptance computed with spot in 250 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
[2023-03-17 21:45:25] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:25] [INFO ] Invariant cache hit.
[2023-03-17 21:45:25] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-17 21:45:25] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:45:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-17 21:45:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:26] [INFO ] [Nat]Added 13 Read/Feed constraints in 5 ms returned sat
[2023-03-17 21:45:26] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:26] [INFO ] Added : 6 causal constraints over 2 iterations in 33 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-17 21:45:26] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:26] [INFO ] Invariant cache hit.
[2023-03-17 21:45:26] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:26] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-17 21:45:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:26] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:45:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:26] [INFO ] [Nat]Added 13 Read/Feed constraints in 5 ms returned sat
[2023-03-17 21:45:26] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:26] [INFO ] Added : 5 causal constraints over 1 iterations in 24 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 15 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 0 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:26] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:26] [INFO ] Invariant cache hit.
[2023-03-17 21:45:26] [INFO ] Implicit Places using invariants in 63 ms returned []
[2023-03-17 21:45:26] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:26] [INFO ] Invariant cache hit.
[2023-03-17 21:45:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:26] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2023-03-17 21:45:26] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:26] [INFO ] Invariant cache hit.
[2023-03-17 21:45:26] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 258 ms. Remains : 48/48 places, 79/79 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) (NOT p2)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 194 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Finished random walk after 18 steps, including 0 resets, run visited all 4 properties in 1 ms. (steps per millisecond=18 )
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), true]
False Knowledge obtained : [(F (AND (NOT p0) p1 (NOT p2))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 2 factoid took 202 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Stuttering acceptance computed with spot in 193 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
[2023-03-17 21:45:27] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:27] [INFO ] Invariant cache hit.
[2023-03-17 21:45:27] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:27] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:27] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2023-03-17 21:45:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:27] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:27] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:27] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-17 21:45:27] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:27] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:27] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 6 ms.
[2023-03-17 21:45:27] [INFO ] Added : 6 causal constraints over 2 iterations in 32 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-17 21:45:27] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:27] [INFO ] Invariant cache hit.
[2023-03-17 21:45:28] [INFO ] [Real]Absence check using 7 positive place invariants in 30 ms returned sat
[2023-03-17 21:45:28] [INFO ] [Real]Absence check using 7 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-17 21:45:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:28] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2023-03-17 21:45:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:28] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-17 21:45:28] [INFO ] [Nat]Absence check using 7 positive and 7 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:28] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2023-03-17 21:45:28] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:28] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2023-03-17 21:45:28] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 19 ms.
[2023-03-17 21:45:28] [INFO ] Added : 5 causal constraints over 1 iterations in 37 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 191 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Product exploration explored 100000 steps with 8747 reset in 180 ms.
Product exploration explored 100000 steps with 8728 reset in 198 ms.
Support contains 15 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 79/79 transitions.
Applied a total of 0 rules in 1 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:29] [INFO ] Invariant cache hit.
[2023-03-17 21:45:29] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:29] [INFO ] Invariant cache hit.
[2023-03-17 21:45:29] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:29] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-17 21:45:29] [INFO ] Invariant cache hit.
[2023-03-17 21:45:29] [INFO ] Dead Transitions using invariants and state equation in 65 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 243 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-04 finished in 5751 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||G(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' '!(F((X(p1)||p0)))'
Found a Shortening insensitive property : SafeBus-COL-03-LTLFireability-15
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 21:45:29] [INFO ] Computed 17 place invariants in 0 ms
[2023-03-17 21:45:29] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:29] [INFO ] Invariant cache hit.
[2023-03-17 21:45:29] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:29] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2023-03-17 21:45:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:29] [INFO ] Invariant cache hit.
[2023-03-17 21:45:29] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 260 ms. Remains : 54/54 places, 82/82 transitions.
Running random walk in product with property : SafeBus-COL-03-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s29 1) (GEQ s39 1)) (AND (GEQ s30 1) (GEQ s40 1)) (AND (GEQ s28 1) (GEQ s38 1)) (AND (GEQ s22 1) (GEQ s44 1)) (AND (GEQ s27 1) (GEQ s44 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 24985 reset in 326 ms.
Product exploration explored 100000 steps with 24979 reset in 345 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 (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 2 factoid took 114 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p0) (NOT p1))]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 182 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 21:45:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:30] [INFO ] Invariant cache hit.
[2023-03-17 21:45:31] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:31] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 9 ms returned sat
[2023-03-17 21:45:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:31] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2023-03-17 21:45:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:31] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:31] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-17 21:45:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:31] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:31] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:31] [INFO ] Added : 22 causal constraints over 5 iterations in 66 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:31] [INFO ] Invariant cache hit.
[2023-03-17 21:45:31] [INFO ] Implicit Places using invariants in 51 ms returned []
[2023-03-17 21:45:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:31] [INFO ] Invariant cache hit.
[2023-03-17 21:45:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:31] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2023-03-17 21:45:31] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:45:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:31] [INFO ] Invariant cache hit.
[2023-03-17 21:45:31] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 253 ms. Remains : 54/54 places, 82/82 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 (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 2 factoid took 126 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 135 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p0) (NOT p1))]
[2023-03-17 21:45:32] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:32] [INFO ] Invariant cache hit.
[2023-03-17 21:45:32] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 21:45:32] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 8 ms returned sat
[2023-03-17 21:45:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:32] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2023-03-17 21:45:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 21:45:32] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 21:45:32] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 5 ms returned sat
[2023-03-17 21:45:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 21:45:32] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2023-03-17 21:45:32] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:32] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 21:45:32] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-17 21:45:32] [INFO ] Added : 22 causal constraints over 5 iterations in 65 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 24976 reset in 336 ms.
Product exploration explored 100000 steps with 25028 reset in 363 ms.
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 21:45:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:33] [INFO ] Invariant cache hit.
[2023-03-17 21:45:33] [INFO ] Implicit Places using invariants in 98 ms returned []
[2023-03-17 21:45:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:33] [INFO ] Invariant cache hit.
[2023-03-17 21:45:33] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 21:45:33] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
[2023-03-17 21:45:33] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 21:45:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 21:45:33] [INFO ] Invariant cache hit.
[2023-03-17 21:45:33] [INFO ] Dead Transitions using invariants and state equation in 125 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 349 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-15 finished in 4274 ms.
[2023-03-17 21:45:33] [INFO ] Flatten gal took : 27 ms
[2023-03-17 21:45:33] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 18 ms.
[2023-03-17 21:45:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 54 places, 82 transitions and 457 arcs took 1 ms.
Total runtime 56174 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 595 seconds
MemTotal: 16393216 kB
MemFree: 13426124 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16126424 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2616/ltl_5_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 595 seconds
MemTotal: 16393216 kB
MemFree: 11795596 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16121368 kB
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-00
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-01
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-02
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-04
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-05
Could not compute solution for formula : SafeBus-COL-03-LTLFireability-15

BK_STOP 1679090727408

--------------------
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 SafeBus-COL-03-LTLFireability-00
ltl formula formula --ltl=/tmp/2616/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 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_0_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.000 user 0.020 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
ltl formula name SafeBus-COL-03-LTLFireability-01
ltl formula formula --ltl=/tmp/2616/ltl_1_
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
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
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): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.030 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name SafeBus-COL-03-LTLFireability-02
ltl formula formula --ltl=/tmp/2616/ltl_2_
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
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_2_
Killing (15) : 2634 2635 2636 2637 2638
Killing (9) : 2634 2635 2636 2637 2638
ltl formula name SafeBus-COL-03-LTLFireability-04
ltl formula formula --ltl=/tmp/2616/ltl_3_
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
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_3_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 6 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
ltl formula name SafeBus-COL-03-LTLFireability-05
ltl formula formula --ltl=/tmp/2616/ltl_4_
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
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_4_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_4_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_4_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.000 user 0.010 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_4_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
ltl formula name SafeBus-COL-03-LTLFireability-15
ltl formula formula --ltl=/tmp/2616/ltl_5_
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
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2616/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2616/ltl_5_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2616/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2616/ltl_5_
Killing (15) : 2661 2662 2663 2664 2665
Killing (9) : 2661 2662 2663 2664 2665

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="SafeBus-COL-03"
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 SafeBus-COL-03, 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 r361-smll-167891811000204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-03.tgz
mv SafeBus-COL-03 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 ;