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-167891811200260.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SafeBus-PT-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r361-smll-167891811200260
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 840K
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K 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 4.9K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 222K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 95K 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-PT-03-LTLFireability-00
FORMULA_NAME SafeBus-PT-03-LTLFireability-01
FORMULA_NAME SafeBus-PT-03-LTLFireability-02
FORMULA_NAME SafeBus-PT-03-LTLFireability-03
FORMULA_NAME SafeBus-PT-03-LTLFireability-04
FORMULA_NAME SafeBus-PT-03-LTLFireability-05
FORMULA_NAME SafeBus-PT-03-LTLFireability-06
FORMULA_NAME SafeBus-PT-03-LTLFireability-07
FORMULA_NAME SafeBus-PT-03-LTLFireability-08
FORMULA_NAME SafeBus-PT-03-LTLFireability-09
FORMULA_NAME SafeBus-PT-03-LTLFireability-10
FORMULA_NAME SafeBus-PT-03-LTLFireability-11
FORMULA_NAME SafeBus-PT-03-LTLFireability-12
FORMULA_NAME SafeBus-PT-03-LTLFireability-13
FORMULA_NAME SafeBus-PT-03-LTLFireability-14
FORMULA_NAME SafeBus-PT-03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679149214742

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-PT-03
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 14:20:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-18 14:20:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 14:20:18] [INFO ] Load time of PNML (sax parser for PT used): 192 ms
[2023-03-18 14:20:18] [INFO ] Transformed 57 places.
[2023-03-18 14:20:18] [INFO ] Transformed 91 transitions.
[2023-03-18 14:20:18] [INFO ] Found NUPN structural information;
[2023-03-18 14:20:18] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 350 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 3 places and 0 transitions.
Support contains 48 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 24 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-18 14:20:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:18] [INFO ] Computed 17 place invariants in 17 ms
[2023-03-18 14:20:18] [INFO ] Implicit Places using invariants in 292 ms returned []
[2023-03-18 14:20:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-18 14:20:18] [INFO ] Invariant cache hit.
[2023-03-18 14:20:18] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:18] [INFO ] Implicit Places using invariants and state equation in 166 ms returned []
Implicit Place search using SMT with State Equation took 517 ms to find 0 implicit places.
[2023-03-18 14:20:18] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-18 14:20:18] [INFO ] Invariant cache hit.
[2023-03-18 14:20:19] [INFO ] Dead Transitions using invariants and state equation in 152 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 2 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 698 ms. Remains : 54/54 places, 82/91 transitions.
Support contains 48 out of 54 places after structural reductions.
[2023-03-18 14:20:19] [INFO ] Flatten gal took : 46 ms
[2023-03-18 14:20:19] [INFO ] Flatten gal took : 24 ms
[2023-03-18 14:20:19] [INFO ] Input system was already deterministic with 82 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 26) seen :25
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:20:19] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:19] [INFO ] Computed 17 place invariants in 14 ms
[2023-03-18 14:20:19] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:19] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2023-03-18 14:20:19] [INFO ] After 61ms 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.
FORMULA SafeBus-PT-03-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA SafeBus-PT-03-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
FORMULA SafeBus-PT-03-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:20] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:20] [INFO ] Invariant cache hit.
[2023-03-18 14:20:20] [INFO ] Implicit Places using invariants in 115 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 117 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 121 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 260 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-PT-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 (EQ s1 1) (EQ s10 1)) (AND (EQ s1 1) (EQ s12 1)) (AND (EQ s1 1) (EQ s11 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 17258 reset in 589 ms.
Product exploration explored 100000 steps with 17270 reset in 375 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 131 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 37 ms :[(NOT p0)]
Finished random walk after 7 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=3 )
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 36 ms :[(NOT p0)]
[2023-03-18 14:20:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:22] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-18 14:20:22] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:22] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 14 ms returned sat
[2023-03-18 14:20:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:22] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-18 14:20:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:22] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2023-03-18 14:20:22] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 9 ms returned sat
[2023-03-18 14:20:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:22] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2023-03-18 14:20:22] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:22] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-18 14:20:22] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 5 ms to minimize.
[2023-03-18 14:20:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2023-03-18 14:20:22] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 16 ms.
[2023-03-18 14:20:22] [INFO ] Added : 17 causal constraints over 4 iterations in 96 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 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
Applied a total of 6 rules in 24 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-18 14:20:22] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-18 14:20:22] [INFO ] Computed 14 place invariants in 4 ms
[2023-03-18 14:20:22] [INFO ] Implicit Places using invariants in 119 ms returned []
[2023-03-18 14:20:22] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:22] [INFO ] Invariant cache hit.
[2023-03-18 14:20:23] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:23] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
[2023-03-18 14:20:23] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-18 14:20:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:23] [INFO ] Invariant cache hit.
[2023-03-18 14:20:23] [INFO ] Dead Transitions using invariants and state equation in 119 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 450 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 162 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Finished random walk after 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 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)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2023-03-18 14:20:23] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:23] [INFO ] Invariant cache hit.
[2023-03-18 14:20:23] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:20:23] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 12 ms returned sat
[2023-03-18 14:20:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:23] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-18 14:20:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:24] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 11 ms returned sat
[2023-03-18 14:20:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:24] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:20:24] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:24] [INFO ] [Nat]Added 13 Read/Feed constraints in 8 ms returned sat
[2023-03-18 14:20:24] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 13 ms.
[2023-03-18 14:20:24] [INFO ] Added : 30 causal constraints over 6 iterations in 114 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Product exploration explored 100000 steps with 17591 reset in 173 ms.
Product exploration explored 100000 steps with 17610 reset in 173 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 7 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-18 14:20:24] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:24] [INFO ] Invariant cache hit.
[2023-03-18 14:20:24] [INFO ] Implicit Places using invariants in 106 ms returned []
[2023-03-18 14:20:24] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:24] [INFO ] Invariant cache hit.
[2023-03-18 14:20:24] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:24] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2023-03-18 14:20:24] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 14:20:24] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:24] [INFO ] Invariant cache hit.
[2023-03-18 14:20:24] [INFO ] Dead Transitions using invariants and state equation in 104 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 386 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-00 finished in 4642 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.
[2023-03-18 14:20:25] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:25] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:20:25] [INFO ] Implicit Places using invariants in 77 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 81 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 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
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 10 ms. Remains 45 /51 variables (removed 6) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:25] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-18 14:20:25] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:25] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-18 14:20:25] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:25] [INFO ] Invariant cache hit.
[2023-03-18 14:20:25] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:25] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 172 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 270 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-PT-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 (NEQ s14 1) (NEQ s21 1) (NEQ s27 1) (NEQ s28 1)) (OR (NEQ s14 1) (NEQ s19 1) (NEQ s27 1) (NEQ s28 1)) (OR (NEQ s15 1) (NEQ s23 1) (NEQ s25 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 10320 reset in 438 ms.
Product exploration explored 100000 steps with 10386 reset in 548 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 168 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 105 ms :[(NOT p0), (NOT p0)]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 195 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 103 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 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 8 ms. Remains 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:27] [INFO ] Invariant cache hit.
[2023-03-18 14:20:27] [INFO ] Implicit Places using invariants in 100 ms returned []
[2023-03-18 14:20:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:27] [INFO ] Invariant cache hit.
[2023-03-18 14:20:27] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:27] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
[2023-03-18 14:20:27] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-18 14:20:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:27] [INFO ] Invariant cache hit.
[2023-03-18 14:20:27] [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 405 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 169 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 105 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 157 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 87 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10342 reset in 519 ms.
Product exploration explored 100000 steps with 10460 reset in 327 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 5 ms. Remains 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:29] [INFO ] Invariant cache hit.
[2023-03-18 14:20:29] [INFO ] Implicit Places using invariants in 63 ms returned []
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:29] [INFO ] Invariant cache hit.
[2023-03-18 14:20:29] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:29] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2023-03-18 14:20:29] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:29] [INFO ] Invariant cache hit.
[2023-03-18 14:20:29] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 319 ms. Remains : 45/45 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-01 finished in 4405 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 p3)))))))'
Support contains 24 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.
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:29] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:20:29] [INFO ] Implicit Places using invariants in 89 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 91 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 0 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 94 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 287 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p3))), (AND (NOT p1) p0), (AND p0 (NOT p3)), (OR (AND p0 (NOT p1)) (AND p0 (NOT p3)))]
Running random walk in product with property : SafeBus-PT-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 p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p3)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p1:(AND (OR (EQ s0 0) (EQ s9 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s8 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s6 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s7 0) (EQ s28 0)) (O...], 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 8769 reset in 754 ms.
Product exploration explored 100000 steps with 8724 reset in 731 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 (NOT p3) (NOT p2)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 323 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p1)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:20:32] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:32] [INFO ] Computed 14 place invariants in 4 ms
[2023-03-18 14:20:32] [INFO ] After 42ms 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 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0 (NOT p3) (NOT p2)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0)))), (G (NOT (AND (NOT p2) (NOT p3) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p3) p0))), (F (AND (NOT p3) (NOT p0))), (F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 8 factoid took 645 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[(AND (NOT p3) p0), (AND (NOT p3) p0), (AND (NOT p3) p0)]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p3) p0), (AND (NOT p3) p0), (AND (NOT p3) p0)]
[2023-03-18 14:20:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:33] [INFO ] Invariant cache hit.
[2023-03-18 14:20:33] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2023-03-18 14:20:33] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 17 ms returned sat
[2023-03-18 14:20:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:33] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:20:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:33] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:33] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 7 ms returned sat
[2023-03-18 14:20:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:33] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2023-03-18 14:20:33] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:33] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2023-03-18 14:20:33] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-18 14:20:33] [INFO ] Added : 28 causal constraints over 6 iterations in 106 ms. Result :sat
Could not prove EG (AND (NOT p3) p0)
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.
[2023-03-18 14:20:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:33] [INFO ] Invariant cache hit.
[2023-03-18 14:20:33] [INFO ] Implicit Places using invariants in 64 ms returned []
[2023-03-18 14:20:33] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:33] [INFO ] Invariant cache hit.
[2023-03-18 14:20:34] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:34] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-18 14:20:34] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:34] [INFO ] Invariant cache hit.
[2023-03-18 14:20:34] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 323 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 p3) p0), (X (X (AND (NOT p3) p0))), (X (X (NOT (AND (NOT p3) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Finished random walk after 4 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p3) p0), (X (X (AND (NOT p3) p0))), (X (X (NOT (AND (NOT p3) (NOT p0)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p3))), (F (NOT (AND p0 (NOT p3))))]
Knowledge based reduction with 3 factoid took 238 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Stuttering acceptance computed with spot in 151 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
[2023-03-18 14:20:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:35] [INFO ] Invariant cache hit.
[2023-03-18 14:20:35] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:35] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 10 ms returned sat
[2023-03-18 14:20:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:35] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2023-03-18 14:20:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:35] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:35] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 9 ms returned sat
[2023-03-18 14:20:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:35] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2023-03-18 14:20:35] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:35] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-18 14:20:35] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:20:35] [INFO ] Added : 24 causal constraints over 5 iterations in 77 ms. Result :sat
Could not prove EG (AND p0 (NOT p3))
Stuttering acceptance computed with spot in 138 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Product exploration explored 100000 steps with 8734 reset in 617 ms.
Product exploration explored 100000 steps with 8741 reset in 404 ms.
Applying partial POR strategy [false, true, false]
Stuttering acceptance computed with spot in 107 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
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 0 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 7 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:37] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:37] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:37] [INFO ] Dead Transitions using invariants and state equation in 76 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 91 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.
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:37] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:37] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:37] [INFO ] Invariant cache hit.
[2023-03-18 14:20:37] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:37] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:37] [INFO ] Invariant cache hit.
[2023-03-18 14:20:37] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 296 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-02 finished in 8088 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 8 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:37] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:20:37] [INFO ] Implicit Places using invariants in 121 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 122 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 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
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 15 ms. Remains 45 /51 variables (removed 6) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-18 14:20:37] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:37] [INFO ] Implicit Places using invariants in 98 ms returned []
[2023-03-18 14:20:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:37] [INFO ] Invariant cache hit.
[2023-03-18 14:20:37] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:37] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 297 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 444 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SafeBus-PT-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 (EQ s25 1) (EQ s32 1)) (AND (EQ s26 1) (EQ s33 1)) (AND (EQ s27 1) (EQ s34 1))), p1:(OR (AND (EQ s3 1) (EQ s32 1)) (AND (EQ s3 1) (EQ s33 1)) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 327 ms.
Stack based approach found an accepted trace after 65 steps with 1 reset with depth 59 and stack size 59 in 1 ms.
FORMULA SafeBus-PT-03-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-03 finished in 942 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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:38] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:38] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:20:38] [INFO ] Implicit Places using invariants in 104 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 105 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 110 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 376 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-PT-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 (EQ s0 1) (EQ s1 1)), p2:(OR (AND (EQ s2 1) (EQ s5 1)) (AND (EQ s2 1) (EQ s4 1)) (AND (EQ s2 1) (EQ s7 1)) (AND (EQ s2 1) (EQ s6 1)) (AND (EQ s2 1...], 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 7448 reset in 280 ms.
Product exploration explored 100000 steps with 7463 reset in 303 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 (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 294 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 285 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 46 steps, including 0 resets, run visited all 4 properties in 2 ms. (steps per millisecond=23 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT (AND 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 429 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 282 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 281 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)))]
[2023-03-18 14:20:41] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:41] [INFO ] Computed 14 place invariants in 3 ms
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 7 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2023-03-18 14:20:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 8 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2023-03-18 14:20:41] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:41] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-18 14:20:41] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 8 ms.
[2023-03-18 14:20:41] [INFO ] Added : 12 causal constraints over 3 iterations in 56 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-18 14:20:41] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:41] [INFO ] Invariant cache hit.
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 14 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:41] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-18 14:20:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 10 ms returned sat
[2023-03-18 14:20:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:41] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:20:41] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:42] [INFO ] [Nat]Added 13 Read/Feed constraints in 10 ms returned sat
[2023-03-18 14:20:42] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 9 ms.
[2023-03-18 14:20:42] [INFO ] Added : 16 causal constraints over 4 iterations in 64 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 2 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:42] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:42] [INFO ] Invariant cache hit.
[2023-03-18 14:20:42] [INFO ] Implicit Places using invariants in 85 ms returned []
[2023-03-18 14:20:42] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:42] [INFO ] Invariant cache hit.
[2023-03-18 14:20:42] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:42] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2023-03-18 14:20:42] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:42] [INFO ] Invariant cache hit.
[2023-03-18 14:20:42] [INFO ] Dead Transitions using invariants and state equation in 138 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 367 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 121 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 276 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 43 steps, including 0 resets, run visited all 4 properties in 3 ms. (steps per millisecond=14 )
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 249 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 277 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 274 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)))]
[2023-03-18 14:20:43] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:43] [INFO ] Invariant cache hit.
[2023-03-18 14:20:43] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:43] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 9 ms returned sat
[2023-03-18 14:20:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:43] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2023-03-18 14:20:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 19 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2023-03-18 14:20:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-18 14:20:44] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 9 ms.
[2023-03-18 14:20:44] [INFO ] Added : 18 causal constraints over 4 iterations in 86 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-18 14:20:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:44] [INFO ] Invariant cache hit.
[2023-03-18 14:20:44] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Real]Absence check using 4 positive and 10 generalized place invariants in 15 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:44] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-18 14:20:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using 4 positive and 10 generalized place invariants in 8 ms returned sat
[2023-03-18 14:20:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:44] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2023-03-18 14:20:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 11 ms returned sat
[2023-03-18 14:20:44] [INFO ] Computed and/alt/rep : 52/255/52 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:20:44] [INFO ] Added : 16 causal constraints over 4 iterations in 82 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 261 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 7446 reset in 301 ms.
Product exploration explored 100000 steps with 7462 reset in 325 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 2 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:45] [INFO ] Invariant cache hit.
[2023-03-18 14:20:45] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-18 14:20:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:45] [INFO ] Invariant cache hit.
[2023-03-18 14:20:45] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:45] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 260 ms to find 0 implicit places.
[2023-03-18 14:20:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:45] [INFO ] Invariant cache hit.
[2023-03-18 14:20:46] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 369 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-04 finished in 7599 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 7 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:46] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:46] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:20:46] [INFO ] Implicit Places using invariants in 130 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 132 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 6 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 146 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 90 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-PT-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 (EQ s12 0) (EQ s44 0)) (OR (EQ s10 0) (EQ s42 0)) (OR (EQ s11 0) (EQ s43 0))), p1:(OR (AND (EQ s15 1) (EQ s22 1) (EQ s28 1) (EQ s35 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 5059 reset in 276 ms.
Product exploration explored 100000 steps with 5134 reset in 298 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 160 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 98 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 198 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 106 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 106 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 6 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:47] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2023-03-18 14:20:47] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:47] [INFO ] Implicit Places using invariants in 99 ms returned []
[2023-03-18 14:20:47] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:47] [INFO ] Invariant cache hit.
[2023-03-18 14:20:47] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:47] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2023-03-18 14:20:47] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-18 14:20:47] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:47] [INFO ] Invariant cache hit.
[2023-03-18 14:20:48] [INFO ] Dead Transitions using invariants and state equation in 147 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 422 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 154 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 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 9 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=9 )
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 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 107 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5080 reset in 264 ms.
Product exploration explored 100000 steps with 5209 reset in 285 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 5 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:49] [INFO ] Invariant cache hit.
[2023-03-18 14:20:49] [INFO ] Implicit Places using invariants in 93 ms returned []
[2023-03-18 14:20:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:49] [INFO ] Invariant cache hit.
[2023-03-18 14:20:49] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:49] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
[2023-03-18 14:20:49] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 14:20:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:49] [INFO ] Invariant cache hit.
[2023-03-18 14:20:49] [INFO ] Dead Transitions using invariants and state equation in 100 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 344 ms. Remains : 51/51 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-05 finished in 3713 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.
[2023-03-18 14:20:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:49] [INFO ] Computed 17 place invariants in 5 ms
[2023-03-18 14:20:49] [INFO ] Implicit Places using invariants in 121 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 123 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 126 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 510 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-PT-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 (EQ s0 1) (EQ s9 1) (EQ s28 1)) (AND (EQ s0 1) (EQ s8 1) (EQ s28 1)) (AND (EQ s0 1) (EQ s6 1) (EQ s28 1)) (AND (EQ s0 1) (EQ s7 1) (EQ s28 1))...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, 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-PT-03-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-07 finished in 665 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(!p0)) U G((p0||G(p1))))))'
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.
[2023-03-18 14:20:50] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:50] [INFO ] Invariant cache hit.
[2023-03-18 14:20:50] [INFO ] Implicit Places using invariants in 128 ms returned [43, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 131 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135 ms. Remains : 52/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 266 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), p0, (AND (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR p0 p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={1} source=1 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={0, 1} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={1} source=3 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s12 1) (EQ s45 1)), p1:(AND (EQ s36 1) (EQ s42 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 24695 reset in 315 ms.
Product exploration explored 100000 steps with 24624 reset in 343 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))), (X (NOT (AND (NOT p0) p1))), (X (NOT (OR p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 691 ms. Reduced automaton from 5 states, 15 edges and 2 AP (stutter sensitive) to 5 states, 16 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 251 ms :[(OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), p0, (AND (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 6) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:20:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 52 cols
[2023-03-18 14:20:52] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-18 14:20:52] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:52] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-18 14:20:52] [INFO ] After 40ms 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 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (OR p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1)))), (G (NOT (AND p0 p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (F (AND p0 (NOT p1))), (F p0), (F (OR p0 p1)), (F (AND (NOT p0) p1)), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 784 ms. Reduced automaton from 5 states, 16 edges and 2 AP (stutter sensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 214 ms :[(OR (NOT p1) p0), (OR (AND p0 p1) (AND (NOT p0) (NOT p1))), p0, (OR (AND p0 p1) (AND (NOT p0) (NOT p1)))]
Stuttering acceptance computed with spot in 286 ms :[(OR (NOT p1) p0), (OR (AND p0 p1) (AND (NOT p0) (NOT p1))), p0, (OR (AND p0 p1) (AND (NOT p0) (NOT p1)))]
[2023-03-18 14:20:53] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:53] [INFO ] Invariant cache hit.
[2023-03-18 14:20:54] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2023-03-18 14:20:54] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:20:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:54] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2023-03-18 14:20:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:54] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:54] [INFO ] [Nat]Absence check using 6 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-18 14:20:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:54] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2023-03-18 14:20:54] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:54] [INFO ] [Nat]Added 13 Read/Feed constraints in 9 ms returned sat
[2023-03-18 14:20:54] [INFO ] Computed and/alt/rep : 52/273/52 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:20:54] [INFO ] Added : 32 causal constraints over 7 iterations in 122 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 82/82 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 52 transition count 81
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 51 transition count 81
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 50 transition count 82
Applied a total of 4 rules in 7 ms. Remains 50 /52 variables (removed 2) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:54] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 50 cols
[2023-03-18 14:20:54] [INFO ] Computed 15 place invariants in 1 ms
[2023-03-18 14:20:54] [INFO ] Implicit Places using invariants in 105 ms returned []
[2023-03-18 14:20:54] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:54] [INFO ] Invariant cache hit.
[2023-03-18 14:20:54] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:54] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
[2023-03-18 14:20:54] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-18 14:20:54] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:54] [INFO ] Invariant cache hit.
[2023-03-18 14:20:54] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 50/52 places, 82/82 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 428 ms. Remains : 50/52 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))), (X (NOT p0)), (X (NOT (OR p0 p1))), (X (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 607 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 229 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Finished random walk after 7 steps, including 0 resets, run visited all 5 properties in 2 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (OR p0 p1))), (X (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (X (X p1)), (X (X (NOT p1))), (F (AND (NOT p1) p0)), (F (AND p1 (NOT p0))), (F (OR (AND (NOT p1) p0) (AND p1 (NOT p0)))), (F p0), (F (NOT (OR (AND (NOT p1) (NOT p0)) (AND p1 p0))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 758 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
[2023-03-18 14:20:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:56] [INFO ] Invariant cache hit.
[2023-03-18 14:20:56] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2023-03-18 14:20:56] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-18 14:20:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:57] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2023-03-18 14:20:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:20:57] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-18 14:20:57] [INFO ] [Nat]Absence check using 6 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-18 14:20:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:20:57] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2023-03-18 14:20:57] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:57] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-18 14:20:57] [INFO ] Computed and/alt/rep : 52/311/52 causal constraints (skipped 13 transitions) in 7 ms.
[2023-03-18 14:20:57] [INFO ] Added : 8 causal constraints over 2 iterations in 53 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Product exploration explored 100000 steps with 33074 reset in 166 ms.
Product exploration explored 100000 steps with 33149 reset in 180 ms.
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 50 /50 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:57] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:57] [INFO ] Invariant cache hit.
[2023-03-18 14:20:57] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-18 14:20:57] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:57] [INFO ] Invariant cache hit.
[2023-03-18 14:20:58] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:58] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
[2023-03-18 14:20:58] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 14:20:58] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:58] [INFO ] Invariant cache hit.
[2023-03-18 14:20:58] [INFO ] Dead Transitions using invariants and state equation in 109 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 415 ms. Remains : 50/50 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-08 finished in 7823 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 6 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.
[2023-03-18 14:20:58] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:58] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:20:58] [INFO ] Implicit Places using invariants in 111 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 112 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 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 7 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-18 14:20:58] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-18 14:20:58] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:20:58] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-18 14:20:58] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:20:58] [INFO ] Invariant cache hit.
[2023-03-18 14:20:58] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:20:58] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 273 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 48/54 places, 79/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 399 ms. Remains : 48/54 places, 79/82 transitions.
Stuttering acceptance computed with spot in 55 ms :[(NOT p0)]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s11 1) (EQ s40 1) (OR (EQ s1 0) (EQ s12 0)) (OR (EQ s3 0) (EQ s33 0)))], 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 253 ms.
Stack based approach found an accepted trace after 41 steps with 0 reset with depth 42 and stack size 42 in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-09 finished in 728 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&X(G(p1)))))'
Support contains 3 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.
[2023-03-18 14:20:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:20:59] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:20:59] [INFO ] Implicit Places using invariants in 110 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 111 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 115 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 139 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-10 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: 3}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}]], initial=1, aps=[p0:(AND (EQ s0 1) (EQ s5 1) (EQ s28 1)), p1:(AND (EQ s0 1) (EQ s5 1) (EQ s28 1) (EQ s0 1) (EQ s5 1) (EQ s28 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-PT-03-LTLFireability-10 finished in 280 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
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 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:20:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:59] [INFO ] Invariant cache hit.
[2023-03-18 14:20:59] [INFO ] Implicit Places using invariants in 109 ms returned [43, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 110 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 113 ms. Remains : 52/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(AND (EQ s1 1) (EQ s10 1)), p0:(AND (EQ s36 1) (EQ 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, null][false, false, false]]
Product exploration explored 100000 steps with 2295 reset in 142 ms.
Stack based approach found an accepted trace after 90 steps with 1 reset with depth 47 and stack size 47 in 0 ms.
FORMULA SafeBus-PT-03-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-12 finished in 418 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&&X(!p2))||G(!p2))))))'
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.
[2023-03-18 14:20:59] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:20:59] [INFO ] Invariant cache hit.
[2023-03-18 14:20:59] [INFO ] Implicit Places using invariants in 131 ms returned [42, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 132 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/54 places, 82/82 transitions.
Applied a total of 0 rules in 0 ms. Remains 52 /52 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135 ms. Remains : 52/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND p2 p1), acceptance={} source=0 dest: 2}, { cond=(AND p2 (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) p1), acceptance={} source=2 dest: 2}, { cond=(AND p2 p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={0} source=2 dest: 3}], [{ cond=(AND p2 p1), acceptance={0} source=3 dest: 2}, { cond=(AND p2 (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (EQ s3 0) (EQ s34 0)), p2:(AND (EQ s26 1) (EQ s33 1)), p1:(AND (EQ s37 1) (EQ s42 1))], 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 2 reset in 151 ms.
Stack based approach found an accepted trace after 394 steps with 9 reset with depth 72 and stack size 72 in 1 ms.
FORMULA SafeBus-PT-03-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-PT-03-LTLFireability-14 finished in 548 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&&X(p1)))))'
Support contains 5 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.
[2023-03-18 14:21:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:00] [INFO ] Invariant cache hit.
[2023-03-18 14:21:00] [INFO ] Implicit Places using invariants in 82 ms returned [42, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 83 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 86 ms. Remains : 52/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-PT-03-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s0 0) (EQ s8 0) (EQ s28 0)), p1:(OR (EQ s30 0) (EQ s42 0))], 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][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 148 ms.
Product exploration explored 100000 steps with 33333 reset in 157 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 p1), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 p1)
Knowledge based reduction with 5 factoid took 172 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SafeBus-PT-03-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SafeBus-PT-03-LTLFireability-15 finished in 715 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-PT-03-LTLFireability-00
Stuttering acceptance computed with spot in 81 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 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:01] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:01] [INFO ] Invariant cache hit.
[2023-03-18 14:21:01] [INFO ] Implicit Places using invariants in 108 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 110 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.
[2023-03-18 14:21:01] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-18 14:21:01] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:21:01] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-18 14:21:01] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:01] [INFO ] Invariant cache hit.
[2023-03-18 14:21:01] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:01] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 281 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 398 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-PT-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 (EQ s1 1) (EQ s10 1)) (AND (EQ s1 1) (EQ s12 1)) (AND (EQ s1 1) (EQ s11 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 17597 reset in 254 ms.
Product exploration explored 100000 steps with 17623 reset in 271 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 163 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Finished random walk after 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 192 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-18 14:21:02] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:02] [INFO ] Invariant cache hit.
[2023-03-18 14:21:02] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:02] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-18 14:21:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:02] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-18 14:21:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-18 14:21:02] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-18 14:21:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:02] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-18 14:21:02] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:02] [INFO ] [Nat]Added 13 Read/Feed constraints in 5 ms returned sat
[2023-03-18 14:21:02] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 13 ms.
[2023-03-18 14:21:02] [INFO ] Added : 30 causal constraints over 6 iterations in 89 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 4 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-18 14:21:02] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:02] [INFO ] Invariant cache hit.
[2023-03-18 14:21:03] [INFO ] Implicit Places using invariants in 130 ms returned []
[2023-03-18 14:21:03] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:03] [INFO ] Invariant cache hit.
[2023-03-18 14:21:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:03] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
[2023-03-18 14:21:03] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 14:21:03] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:03] [INFO ] Invariant cache hit.
[2023-03-18 14:21:03] [INFO ] Dead Transitions using invariants and state equation in 99 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 398 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 146 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 48 ms :[(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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 179 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
[2023-03-18 14:21:03] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:03] [INFO ] Invariant cache hit.
[2023-03-18 14:21:03] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:03] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 11 ms returned sat
[2023-03-18 14:21:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:04] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2023-03-18 14:21:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:04] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:04] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 9 ms returned sat
[2023-03-18 14:21:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:04] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2023-03-18 14:21:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:04] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-18 14:21:04] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 11 ms.
[2023-03-18 14:21:04] [INFO ] Added : 30 causal constraints over 6 iterations in 112 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 95 ms :[(NOT p0)]
Product exploration explored 100000 steps with 17605 reset in 150 ms.
Product exploration explored 100000 steps with 17598 reset in 162 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.
[2023-03-18 14:21:04] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:04] [INFO ] Invariant cache hit.
[2023-03-18 14:21:04] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-18 14:21:04] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:04] [INFO ] Invariant cache hit.
[2023-03-18 14:21:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:05] [INFO ] Implicit Places using invariants and state equation in 164 ms returned []
Implicit Place search using SMT with State Equation took 275 ms to find 0 implicit places.
[2023-03-18 14:21:05] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-18 14:21:05] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:05] [INFO ] Invariant cache hit.
[2023-03-18 14:21:05] [INFO ] Dead Transitions using invariants and state equation in 122 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 419 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-00 finished in 4201 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 p3)))))))'
Found a Shortening insensitive property : SafeBus-PT-03-LTLFireability-02
Stuttering acceptance computed with spot in 263 ms :[(OR (AND p0 (NOT p1)) (AND p0 (NOT p3))), (AND (NOT p1) p0), (AND p0 (NOT p3)), (OR (AND p0 (NOT p1)) (AND p0 (NOT p3)))]
Support contains 24 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.
[2023-03-18 14:21:05] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:21:05] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:21:05] [INFO ] Implicit Places using invariants in 90 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 92 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.
[2023-03-18 14:21:05] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-18 14:21:05] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-18 14:21:05] [INFO ] Implicit Places using invariants in 73 ms returned []
[2023-03-18 14:21:05] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:05] [INFO ] Invariant cache hit.
[2023-03-18 14:21:06] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:06] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 189 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 288 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-PT-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 p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p3)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p1:(AND (OR (EQ s0 0) (EQ s9 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s8 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s6 0) (EQ s28 0)) (OR (EQ s0 0) (EQ s7 0) (EQ s28 0)) (O...], 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 10347 reset in 451 ms.
Product exploration explored 100000 steps with 10342 reset in 466 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 (NOT p3) (NOT p2)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 448 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 252 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p1)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:21:07] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:07] [INFO ] Invariant cache hit.
[2023-03-18 14:21:07] [INFO ] After 37ms 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 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0 (NOT p3) (NOT p2)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0)))), (G (NOT (AND (NOT p2) (NOT p3) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p3) p0))), (F (AND (NOT p3) (NOT p0))), (F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 8 factoid took 610 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p3) p0), (AND (NOT p3) p0), (AND (NOT p3) p0)]
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p3) p0), (AND (NOT p3) p0), (AND (NOT p3) p0)]
[2023-03-18 14:21:08] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:08] [INFO ] Invariant cache hit.
[2023-03-18 14:21:09] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:09] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 13 ms returned sat
[2023-03-18 14:21:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:09] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:21:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:09] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:09] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-18 14:21:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:09] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-18 14:21:09] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:09] [INFO ] [Nat]Added 13 Read/Feed constraints in 56 ms returned sat
[2023-03-18 14:21:09] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 11 ms.
[2023-03-18 14:21:09] [INFO ] Added : 4 causal constraints over 1 iterations in 41 ms. Result :sat
Could not prove EG (AND (NOT p3) p0)
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.
[2023-03-18 14:21:09] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:09] [INFO ] Invariant cache hit.
[2023-03-18 14:21:09] [INFO ] Implicit Places using invariants in 79 ms returned []
[2023-03-18 14:21:09] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:09] [INFO ] Invariant cache hit.
[2023-03-18 14:21:09] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:09] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
[2023-03-18 14:21:09] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:09] [INFO ] Invariant cache hit.
[2023-03-18 14:21:09] [INFO ] Dead Transitions using invariants and state equation in 131 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 344 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 p3) p0), (X (X (AND (NOT p3) p0))), (X (X (NOT (AND (NOT p3) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 144 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Finished random walk after 4 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p3) p0), (X (X (AND (NOT p3) p0))), (X (X (NOT (AND (NOT p3) (NOT p0)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p3))), (F (NOT (AND p0 (NOT p3))))]
Knowledge based reduction with 3 factoid took 163 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Stuttering acceptance computed with spot in 138 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
[2023-03-18 14:21:10] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:10] [INFO ] Invariant cache hit.
[2023-03-18 14:21:10] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:10] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 12 ms returned sat
[2023-03-18 14:21:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:10] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2023-03-18 14:21:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:11] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-18 14:21:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:11] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2023-03-18 14:21:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:11] [INFO ] [Nat]Added 13 Read/Feed constraints in 9 ms returned sat
[2023-03-18 14:21:11] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 1 ms to minimize.
[2023-03-18 14:21:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2023-03-18 14:21:11] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:21:11] [INFO ] Added : 44 causal constraints over 9 iterations in 162 ms. Result :sat
Could not prove EG (AND p0 (NOT p3))
Stuttering acceptance computed with spot in 156 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Product exploration explored 100000 steps with 10347 reset in 688 ms.
Product exploration explored 100000 steps with 10363 reset in 425 ms.
Applying partial POR strategy [false, true, false]
Stuttering acceptance computed with spot in 120 ms :[(AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p3))]
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 2 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-18 14:21:12] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 14:21:12] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:12] [INFO ] Invariant cache hit.
[2023-03-18 14:21:13] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112 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.
[2023-03-18 14:21:13] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:13] [INFO ] Invariant cache hit.
[2023-03-18 14:21:13] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-18 14:21:13] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:13] [INFO ] Invariant cache hit.
[2023-03-18 14:21:13] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:13] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2023-03-18 14:21:13] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:13] [INFO ] Invariant cache hit.
[2023-03-18 14:21:13] [INFO ] Dead Transitions using invariants and state equation in 131 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 298 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-02 finished in 8047 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-PT-03-LTLFireability-04
Stuttering acceptance computed with spot in 335 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 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:21:13] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:21:13] [INFO ] Implicit Places using invariants in 97 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 99 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 5 ms. Remains 48 /51 variables (removed 3) and now considering 79/82 (removed 3) transitions.
[2023-03-18 14:21:13] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
// Phase 1: matrix 65 rows 48 cols
[2023-03-18 14:21:13] [INFO ] Computed 14 place invariants in 0 ms
[2023-03-18 14:21:14] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-18 14:21:14] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:14] [INFO ] Invariant cache hit.
[2023-03-18 14:21:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:14] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 252 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 360 ms. Remains : 48/54 places, 79/82 transitions.
Running random walk in product with property : SafeBus-PT-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 (EQ s0 1) (EQ s1 1)), p2:(OR (AND (EQ s2 1) (EQ s5 1)) (AND (EQ s2 1) (EQ s4 1)) (AND (EQ s2 1) (EQ s7 1)) (AND (EQ s2 1) (EQ s6 1)) (AND (EQ s2 1...], 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 8744 reset in 284 ms.
Product exploration explored 100000 steps with 8747 reset in 296 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 (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 224 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 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 57 steps, including 0 resets, run visited all 4 properties in 3 ms. (steps per millisecond=19 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT (AND 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 408 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 284 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 278 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)))]
[2023-03-18 14:21:16] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:16] [INFO ] Invariant cache hit.
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 13 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:21:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:16] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2023-03-18 14:21:16] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:16] [INFO ] [Nat]Added 13 Read/Feed constraints in 11 ms returned sat
[2023-03-18 14:21:16] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:21:16] [INFO ] Added : 9 causal constraints over 2 iterations in 53 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-18 14:21:16] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:16] [INFO ] Invariant cache hit.
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 15 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:16] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2023-03-18 14:21:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-18 14:21:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:17] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2023-03-18 14:21:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:17] [INFO ] [Nat]Added 13 Read/Feed constraints in 14 ms returned sat
[2023-03-18 14:21:17] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 1 ms to minimize.
[2023-03-18 14:21:17] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 3 ms to minimize.
[2023-03-18 14:21:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 102 ms
[2023-03-18 14:21:17] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 9 ms.
[2023-03-18 14:21:17] [INFO ] Added : 20 causal constraints over 5 iterations in 90 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 1 ms. Remains 48 /48 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2023-03-18 14:21:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:17] [INFO ] Invariant cache hit.
[2023-03-18 14:21:17] [INFO ] Implicit Places using invariants in 107 ms returned []
[2023-03-18 14:21:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:17] [INFO ] Invariant cache hit.
[2023-03-18 14:21:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:17] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2023-03-18 14:21:17] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:17] [INFO ] Invariant cache hit.
[2023-03-18 14:21:17] [INFO ] Dead Transitions using invariants and state equation in 148 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 435 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 130 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 270 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 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 243 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 264 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 277 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)))]
[2023-03-18 14:21:18] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:18] [INFO ] Invariant cache hit.
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 13 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2023-03-18 14:21:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 8 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-18 14:21:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 9 ms returned sat
[2023-03-18 14:21:19] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 11 ms.
[2023-03-18 14:21:19] [INFO ] Added : 9 causal constraints over 2 iterations in 54 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
[2023-03-18 14:21:19] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:19] [INFO ] Invariant cache hit.
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 16 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:19] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2023-03-18 14:21:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 9 ms returned sat
[2023-03-18 14:21:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:19] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-18 14:21:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 14 ms returned sat
[2023-03-18 14:21:19] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2023-03-18 14:21:19] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
[2023-03-18 14:21:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2023-03-18 14:21:19] [INFO ] Computed and/alt/rep : 49/252/49 causal constraints (skipped 13 transitions) in 9 ms.
[2023-03-18 14:21:19] [INFO ] Added : 20 causal constraints over 5 iterations in 92 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 288 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 8727 reset in 304 ms.
Product exploration explored 100000 steps with 8730 reset in 328 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.
[2023-03-18 14:21:21] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:21] [INFO ] Invariant cache hit.
[2023-03-18 14:21:21] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-18 14:21:21] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:21] [INFO ] Invariant cache hit.
[2023-03-18 14:21:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:21] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 287 ms to find 0 implicit places.
[2023-03-18 14:21:21] [INFO ] Flow matrix only has 65 transitions (discarded 14 similar events)
[2023-03-18 14:21:21] [INFO ] Invariant cache hit.
[2023-03-18 14:21:21] [INFO ] Dead Transitions using invariants and state equation in 144 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 433 ms. Remains : 48/48 places, 79/79 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-04 finished in 8073 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' '!(X((X(F(!p0)) U G((p0||G(p1))))))'
Found a Lengthening insensitive property : SafeBus-PT-03-LTLFireability-08
Stuttering acceptance computed with spot in 267 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), p0, (AND (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
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 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-18 14:21:22] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:21:22] [INFO ] Implicit Places using invariants in 149 ms returned [43, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 151 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 52/54 places, 82/82 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 52 transition count 81
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 51 transition count 81
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 50 transition count 82
Applied a total of 4 rules in 9 ms. Remains 50 /52 variables (removed 2) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 50 cols
[2023-03-18 14:21:22] [INFO ] Computed 15 place invariants in 1 ms
[2023-03-18 14:21:22] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-18 14:21:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:22] [INFO ] Invariant cache hit.
[2023-03-18 14:21:22] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:22] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 312 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 50/54 places, 82/82 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 478 ms. Remains : 50/54 places, 82/82 transitions.
Running random walk in product with property : SafeBus-PT-03-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR p0 p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={1} source=1 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={0, 1} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={1} source=3 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s12 1) (EQ s43 1)), p1:(AND (EQ s36 1) (EQ s41 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 24767 reset in 321 ms.
Product exploration explored 100000 steps with 24692 reset in 346 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))), (X (NOT (AND (NOT p0) p1))), (X (NOT (OR p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 698 ms. Reduced automaton from 5 states, 15 edges and 2 AP (stutter sensitive) to 5 states, 16 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 270 ms :[(OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), p0, (AND (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 6) seen :5
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:21:24] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:24] [INFO ] Invariant cache hit.
[2023-03-18 14:21:24] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:24] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:21:24] [INFO ] After 49ms 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 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (OR p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p1)))), (G (NOT (AND p0 p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (F (AND p0 (NOT p1))), (F p0), (F (OR p0 p1)), (F (AND (NOT p0) p1)), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 988 ms. Reduced automaton from 5 states, 16 edges and 2 AP (stutter sensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 235 ms :[(OR (NOT p1) p0), (OR (AND p0 p1) (AND (NOT p0) (NOT p1))), p0, (OR (AND p0 p1) (AND (NOT p0) (NOT p1)))]
Stuttering acceptance computed with spot in 220 ms :[(OR (NOT p1) p0), (OR (AND p0 p1) (AND (NOT p0) (NOT p1))), p0, (OR (AND p0 p1) (AND (NOT p0) (NOT p1)))]
[2023-03-18 14:21:25] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:25] [INFO ] Invariant cache hit.
[2023-03-18 14:21:25] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:25] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:21:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:25] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-18 14:21:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:26] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2023-03-18 14:21:26] [INFO ] [Nat]Absence check using 6 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:21:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:26] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2023-03-18 14:21:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:26] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-18 14:21:26] [INFO ] Computed and/alt/rep : 52/311/52 causal constraints (skipped 13 transitions) in 11 ms.
[2023-03-18 14:21:26] [INFO ] Added : 8 causal constraints over 2 iterations in 61 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:26] [INFO ] Invariant cache hit.
[2023-03-18 14:21:26] [INFO ] Implicit Places using invariants in 145 ms returned []
[2023-03-18 14:21:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:26] [INFO ] Invariant cache hit.
[2023-03-18 14:21:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:26] [INFO ] Implicit Places using invariants and state equation in 208 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
[2023-03-18 14:21:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 14:21:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:26] [INFO ] Invariant cache hit.
[2023-03-18 14:21:26] [INFO ] Dead Transitions using invariants and state equation in 144 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 515 ms. Remains : 50/50 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))), (X (NOT p0)), (X (NOT (OR p0 p1))), (X (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 635 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Finished random walk after 9 steps, including 0 resets, run visited all 5 properties in 2 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (OR p0 p1))), (X (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR p0 p1))), (X (X (NOT (OR p0 p1)))), (X (X p1)), (X (X (NOT p1))), (F (AND (NOT p1) p0)), (F (AND p1 (NOT p0))), (F (OR (AND (NOT p1) p0) (AND p1 (NOT p0)))), (F p0), (F (NOT (OR (AND (NOT p1) (NOT p0)) (AND p1 p0))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 778 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Stuttering acceptance computed with spot in 215 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
[2023-03-18 14:21:28] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:28] [INFO ] Invariant cache hit.
[2023-03-18 14:21:28] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2023-03-18 14:21:28] [INFO ] [Real]Absence check using 6 positive and 9 generalized place invariants in 9 ms returned sat
[2023-03-18 14:21:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:28] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-18 14:21:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 14:21:29] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2023-03-18 14:21:29] [INFO ] [Nat]Absence check using 6 positive and 9 generalized place invariants in 7 ms returned sat
[2023-03-18 14:21:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 14:21:29] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2023-03-18 14:21:29] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:29] [INFO ] [Nat]Added 13 Read/Feed constraints in 13 ms returned sat
[2023-03-18 14:21:29] [INFO ] Computed and/alt/rep : 52/311/52 causal constraints (skipped 13 transitions) in 10 ms.
[2023-03-18 14:21:29] [INFO ] Added : 8 causal constraints over 2 iterations in 60 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p1) p0), (OR (AND p1 p0) (AND (NOT p1) (NOT p0))), p0, (OR (AND p1 p0) (AND (NOT p1) (NOT p0)))]
Product exploration explored 100000 steps with 33081 reset in 282 ms.
Product exploration explored 100000 steps with 32969 reset in 304 ms.
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-18 14:21:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:30] [INFO ] Invariant cache hit.
[2023-03-18 14:21:30] [INFO ] Implicit Places using invariants in 125 ms returned []
[2023-03-18 14:21:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:30] [INFO ] Invariant cache hit.
[2023-03-18 14:21:30] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-18 14:21:30] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2023-03-18 14:21:30] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 14:21:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-18 14:21:30] [INFO ] Invariant cache hit.
[2023-03-18 14:21:30] [INFO ] Dead Transitions using invariants and state equation in 135 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 495 ms. Remains : 50/50 places, 82/82 transitions.
Treatment of property SafeBus-PT-03-LTLFireability-08 finished in 8940 ms.
[2023-03-18 14:21:30] [INFO ] Flatten gal took : 30 ms
[2023-03-18 14:21:30] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 11 ms.
[2023-03-18 14:21:30] [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 72918 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 595 seconds
MemTotal: 16393216 kB
MemFree: 10741516 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16125268 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3055/ltl_5_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-00
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-01
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-02
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-04
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-05
Could not compute solution for formula : SafeBus-PT-03-LTLFireability-08

BK_STOP 1679149890784

--------------------
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-PT-03-LTLFireability-00
ltl formula formula --ltl=/tmp/3055/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/3055/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3055/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_0_
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/3055/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name SafeBus-PT-03-LTLFireability-01
ltl formula formula --ltl=/tmp/3055/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
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 0.040 real 0.000 user 0.010 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3055/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3055/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3055/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_1_
pnml2lts-mc( 2/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** 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:
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** 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:
corrupted size vs. prev_size in fastbins
ltl formula name SafeBus-PT-03-LTLFireability-02
ltl formula formula --ltl=/tmp/3055/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 0.050 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3055/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3055/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3055/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_2_
Killing (15) : 3073 3074 3075 3076 3077
Killing (9) : 3073 3074 3075 3076 3077
ltl formula name SafeBus-PT-03-LTLFireability-04
ltl formula formula --ltl=/tmp/3055/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 0.040 real 0.000 user 0.010 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3055/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_3_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3055/ltl_3_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3055/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
*** 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:
ltl formula name SafeBus-PT-03-LTLFireability-05
ltl formula formula --ltl=/tmp/3055/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
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( 2/ 4): LTL layer: formula: /tmp/3055/ltl_4_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_4_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3055/ltl_4_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3055/ltl_4_
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** 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:
corrupted size vs. prev_size in fastbins
ltl formula name SafeBus-PT-03-LTLFireability-08
ltl formula formula --ltl=/tmp/3055/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
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 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3055/ltl_5_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3055/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3055/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3055/ltl_5_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SafeBus-PT-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-PT-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-167891811200260"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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