Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r039-tajo-167813692100124.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-COL-V80P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692100124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.7K Feb 25 12:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 12:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 12:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 12:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 13:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Feb 25 13:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 25 13:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 45K Mar 5 18:22 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 BridgeAndVehicles-COL-V80P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678481553924

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P20N20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 20:52:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 20:52:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 20:52:35] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-10 20:52:36] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-10 20:52:36] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 570 ms
[2023-03-10 20:52:36] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 198 PT places and 551698.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2023-03-10 20:52:36] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2023-03-10 20:52:36] [INFO ] Skeletonized 10 HLPN properties in 1 ms. Removed 6 properties that had guard overlaps.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Remains 5 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.9 ms
Finished random walk after 166 steps, including 0 resets, run visited all 5 properties in 9 ms. (steps per millisecond=18 )
[2023-03-10 20:52:36] [INFO ] Flatten gal took : 16 ms
[2023-03-10 20:52:36] [INFO ] Flatten gal took : 2 ms
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2023-03-10 20:52:36] [INFO ] Unfolded HLPN to a Petri net with 198 places and 3728 transitions 28830 arcs in 148 ms.
[2023-03-10 20:52:36] [INFO ] Unfolded 15 HLPN properties in 3 ms.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 196 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 3728/3728 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 196 transition count 3728
Applied a total of 2 rules in 52 ms. Remains 196 /198 variables (removed 2) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:52:38] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
// Phase 1: matrix 410 rows 196 cols
[2023-03-10 20:52:38] [INFO ] Computed 5 place invariants in 30 ms
[2023-03-10 20:52:40] [INFO ] Dead Transitions using invariants and state equation in 1440 ms found 0 transitions.
[2023-03-10 20:52:40] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:52:40] [INFO ] Invariant cache hit.
[2023-03-10 20:52:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2023-03-10 20:52:40] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:52:40] [INFO ] Invariant cache hit.
[2023-03-10 20:52:40] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:52:40] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 239 ms to find 0 implicit places.
[2023-03-10 20:52:40] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:52:40] [INFO ] Invariant cache hit.
[2023-03-10 20:52:41] [INFO ] Dead Transitions using invariants and state equation in 1342 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 196/198 places, 3728/3728 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3103 ms. Remains : 196/198 places, 3728/3728 transitions.
Support contains 196 out of 196 places after structural reductions.
[2023-03-10 20:52:42] [INFO ] Flatten gal took : 384 ms
[2023-03-10 20:52:44] [INFO ] Flatten gal took : 357 ms
[2023-03-10 20:52:46] [INFO ] Input system was already deterministic with 3728 transitions.
Incomplete random walk after 10000 steps, including 14 resets, run finished after 1186 ms. (steps per millisecond=8 ) properties (out of 17) seen :15
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 772 ms. (steps per millisecond=12 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 20:52:49] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:52:49] [INFO ] Invariant cache hit.
[2023-03-10 20:52:49] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:52:49] [INFO ] After 89ms 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.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 169 stabilizing places and 324 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' '!(((p0 U p1) U X((G(!p1)||p2))))'
Support contains 106 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 116 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:52:51] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 195 cols
[2023-03-10 20:52:51] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-10 20:52:52] [INFO ] Dead Transitions using invariants and state equation in 1144 ms found 0 transitions.
[2023-03-10 20:52:52] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:52:52] [INFO ] Invariant cache hit.
[2023-03-10 20:52:53] [INFO ] Implicit Places using invariants in 195 ms returned []
[2023-03-10 20:52:53] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:52:53] [INFO ] Invariant cache hit.
[2023-03-10 20:52:53] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:52:54] [INFO ] Implicit Places using invariants and state equation in 1039 ms returned [166]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1250 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/196 places, 3727/3728 transitions.
Applied a total of 0 rules in 40 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2554 ms. Remains : 194/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 487 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), false, (AND p1 (NOT p2)), true, p1, false]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(OR p1 p0), acceptance={} source=0 dest: 3}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=2 dest: 6}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=3 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=p1, acceptance={} source=5 dest: 4}, { cond=(NOT p1), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=6 dest: 5}, { cond=(AND (NOT p1) p0), acceptance={} source=6 dest: 6}]], initial=0, aps=[p1:(OR (AND (GEQ s0 20) (GEQ s192 1)) (AND (GEQ s0 20) (GEQ s193 1))), p0:(OR (AND (GEQ s10 1) (GEQ s85 1) (GEQ s168 1) (GEQ s175 1)) (AND (GEQ s69 1) (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 142 steps with 0 reset in 14 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-01 finished in 3203 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((G(F(p0)) U (!p0 U p1))))||G(p2)))'
Support contains 24 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 11 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 1087 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:52:55] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 195 cols
[2023-03-10 20:52:55] [INFO ] Computed 5 place invariants in 14 ms
[2023-03-10 20:52:57] [INFO ] Dead Transitions using invariants and state equation in 1440 ms found 0 transitions.
[2023-03-10 20:52:57] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:52:57] [INFO ] Invariant cache hit.
[2023-03-10 20:52:57] [INFO ] Implicit Places using invariants in 451 ms returned []
[2023-03-10 20:52:57] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:52:57] [INFO ] Invariant cache hit.
[2023-03-10 20:52:57] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:52:59] [INFO ] Implicit Places using invariants and state equation in 1408 ms returned [83, 166]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1875 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 193/196 places, 3727/3728 transitions.
Applied a total of 0 rules in 854 ms. Remains 193 /193 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5259 ms. Remains : 193/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 229 ms :[(AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(AND (OR (LT s168 1) (LT s171 1)) (OR (LT s169 1) (LT s185 1)) (OR (LT s168 1) (LT s170 1)) (OR (LT s169 1) (LT s186 1)) (OR (LT s168 1) (LT s173 1)) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Product exploration explored 100000 steps with 2338 reset in 890 ms.
Product exploration explored 100000 steps with 2290 reset in 763 ms.
Computed a total of 166 stabilizing places and 323 stable transitions
Computed a total of 166 stabilizing places and 323 stable transitions
Detected a total of 166/193 stabilizing places and 323/3727 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT p1)), true, (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
Knowledge based reduction with 8 factoid took 645 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter insensitive) to 5 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 291 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Finished random walk after 140 steps, including 0 resets, run visited all 3 properties in 3 ms. (steps per millisecond=46 )
Knowledge obtained : [(AND (NOT p2) (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT p1)), true, (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F p1), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND (NOT p1) p0)))]
Knowledge based reduction with 8 factoid took 808 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter insensitive) to 5 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 305 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 295 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2023-03-10 20:53:04] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 193 cols
[2023-03-10 20:53:04] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 20:53:05] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 20:53:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:53:06] [INFO ] [Real]Absence check using state equation in 759 ms returned sat
[2023-03-10 20:53:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:53:07] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:53:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:53:08] [INFO ] [Nat]Absence check using state equation in 551 ms returned sat
[2023-03-10 20:53:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:11] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-10 20:53:11] [INFO ] [Nat]Added 42 Read/Feed constraints in 3483 ms returned sat
[2023-03-10 20:53:12] [INFO ] Deduced a trap composed of 5 places in 525 ms of which 4 ms to minimize.
[2023-03-10 20:53:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 753 ms
[2023-03-10 20:53:12] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 226 transitions) in 197 ms.
[2023-03-10 20:53:12] [INFO ] Added : 26 causal constraints over 7 iterations in 632 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 193 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 3727/3727 transitions.
Applied a total of 0 rules in 759 ms. Remains 193 /193 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
[2023-03-10 20:53:13] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:13] [INFO ] Invariant cache hit.
[2023-03-10 20:53:14] [INFO ] Dead Transitions using invariants and state equation in 1209 ms found 0 transitions.
[2023-03-10 20:53:14] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:14] [INFO ] Invariant cache hit.
[2023-03-10 20:53:15] [INFO ] Implicit Places using invariants in 374 ms returned []
[2023-03-10 20:53:15] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:15] [INFO ] Invariant cache hit.
[2023-03-10 20:53:15] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:17] [INFO ] Implicit Places using invariants and state equation in 1942 ms returned []
Implicit Place search using SMT with State Equation took 2322 ms to find 0 implicit places.
[2023-03-10 20:53:17] [INFO ] Redundant transitions in 347 ms returned []
[2023-03-10 20:53:17] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:17] [INFO ] Invariant cache hit.
[2023-03-10 20:53:18] [INFO ] Dead Transitions using invariants and state equation in 1351 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6001 ms. Remains : 193/193 places, 3727/3727 transitions.
Computed a total of 166 stabilizing places and 323 stable transitions
Computed a total of 166 stabilizing places and 323 stable transitions
Detected a total of 166/193 stabilizing places and 323/3727 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT p1)), true, (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 331 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter insensitive) to 5 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 198 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Finished random walk after 131 steps, including 0 resets, run visited all 3 properties in 5 ms. (steps per millisecond=26 )
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT p1)), true, (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND (NOT p1) p0)))]
Knowledge based reduction with 8 factoid took 501 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter insensitive) to 5 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 294 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 273 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2023-03-10 20:53:20] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:20] [INFO ] Invariant cache hit.
[2023-03-10 20:53:21] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-10 20:53:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:53:22] [INFO ] [Real]Absence check using state equation in 905 ms returned sat
[2023-03-10 20:53:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:53:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:53:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:53:24] [INFO ] [Nat]Absence check using state equation in 557 ms returned sat
[2023-03-10 20:53:24] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:27] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-10 20:53:29] [INFO ] [Nat]Added 42 Read/Feed constraints in 5179 ms returned sat
[2023-03-10 20:53:30] [INFO ] Deduced a trap composed of 5 places in 515 ms of which 1 ms to minimize.
[2023-03-10 20:53:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 588 ms
[2023-03-10 20:53:30] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 226 transitions) in 111 ms.
[2023-03-10 20:53:30] [INFO ] Added : 23 causal constraints over 6 iterations in 363 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 246 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 2290 reset in 960 ms.
Product exploration explored 100000 steps with 2281 reset in 709 ms.
Support contains 4 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 3727/3727 transitions.
Applied a total of 0 rules in 482 ms. Remains 193 /193 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
[2023-03-10 20:53:32] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:32] [INFO ] Invariant cache hit.
[2023-03-10 20:53:33] [INFO ] Dead Transitions using invariants and state equation in 1073 ms found 0 transitions.
[2023-03-10 20:53:33] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:33] [INFO ] Invariant cache hit.
[2023-03-10 20:53:34] [INFO ] Implicit Places using invariants in 412 ms returned []
[2023-03-10 20:53:34] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:34] [INFO ] Invariant cache hit.
[2023-03-10 20:53:34] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:35] [INFO ] Implicit Places using invariants and state equation in 1556 ms returned []
Implicit Place search using SMT with State Equation took 1970 ms to find 0 implicit places.
[2023-03-10 20:53:36] [INFO ] Redundant transitions in 146 ms returned []
[2023-03-10 20:53:36] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:36] [INFO ] Invariant cache hit.
[2023-03-10 20:53:37] [INFO ] Dead Transitions using invariants and state equation in 1099 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4784 ms. Remains : 193/193 places, 3727/3727 transitions.
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-02 finished in 43123 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 103 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 193 transition count 3726
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 191 transition count 3724
Applied a total of 9 rules in 787 ms. Remains 191 /196 variables (removed 5) and now considering 3724/3728 (removed 4) transitions.
[2023-03-10 20:53:38] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
// Phase 1: matrix 406 rows 191 cols
[2023-03-10 20:53:38] [INFO ] Computed 4 place invariants in 7 ms
[2023-03-10 20:53:38] [INFO ] Implicit Places using invariants in 254 ms returned []
[2023-03-10 20:53:38] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:53:38] [INFO ] Invariant cache hit.
[2023-03-10 20:53:39] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:40] [INFO ] Implicit Places using invariants and state equation in 1892 ms returned [82, 164]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2154 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 189/196 places, 3724/3728 transitions.
Applied a total of 0 rules in 799 ms. Remains 189 /189 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3742 ms. Remains : 189/196 places, 3724/3728 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s152 1) (GEQ s164 1) (GEQ s175 1)) (AND (GEQ s0 1) (GEQ s128 1) (GEQ s164 1) (GEQ s173 1)) (AND (GEQ s0 1) (GEQ s140 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 489 steps with 0 reset in 113 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-03 finished in 3967 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 83 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 45 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:53:41] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 195 cols
[2023-03-10 20:53:41] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:53:43] [INFO ] Dead Transitions using invariants and state equation in 1242 ms found 0 transitions.
[2023-03-10 20:53:43] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:43] [INFO ] Invariant cache hit.
[2023-03-10 20:53:43] [INFO ] Implicit Places using invariants in 369 ms returned []
[2023-03-10 20:53:43] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:43] [INFO ] Invariant cache hit.
[2023-03-10 20:53:43] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:44] [INFO ] Implicit Places using invariants and state equation in 1467 ms returned []
Implicit Place search using SMT with State Equation took 1839 ms to find 0 implicit places.
[2023-03-10 20:53:44] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:44] [INFO ] Invariant cache hit.
[2023-03-10 20:53:46] [INFO ] Dead Transitions using invariants and state equation in 1257 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 195/196 places, 3727/3728 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4386 ms. Remains : 195/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(AND (OR (LT s0 1) (LT s73 1) (LT s83 1) (LT s168 1)) (OR (LT s0 1) (LT s18 1) (LT s83 1) (LT s168 1)) (OR (LT s0 1) (LT s49 1) (LT s83 1) (LT s168 1))...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1593 ms.
Product exploration explored 100000 steps with 50000 reset in 1318 ms.
Computed a total of 168 stabilizing places and 323 stable transitions
Computed a total of 168 stabilizing places and 323 stable transitions
Knowledge obtained : [p0, (X p0), true]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-04 finished in 7538 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 82 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 32 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:53:49] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:49] [INFO ] Invariant cache hit.
[2023-03-10 20:53:50] [INFO ] Dead Transitions using invariants and state equation in 1153 ms found 0 transitions.
[2023-03-10 20:53:50] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:50] [INFO ] Invariant cache hit.
[2023-03-10 20:53:51] [INFO ] Implicit Places using invariants in 465 ms returned []
[2023-03-10 20:53:51] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:51] [INFO ] Invariant cache hit.
[2023-03-10 20:53:51] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:52] [INFO ] Implicit Places using invariants and state equation in 1485 ms returned [83]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1958 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/196 places, 3727/3728 transitions.
Applied a total of 0 rules in 27 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3174 ms. Remains : 194/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 141 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s146 1) (GEQ s166 1)) (AND (GEQ s107 1) (GEQ s166 1)) (AND (GEQ s136 1) (GEQ s166 1)) (AND (GEQ s117 1) (GEQ s166 1)) (AND (GEQ s97 1) (G...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 267 steps with 0 reset in 8 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-05 finished in 3365 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 82 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 10 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 193 transition count 3726
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 15 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 191 transition count 3724
Applied a total of 9 rules in 700 ms. Remains 191 /196 variables (removed 5) and now considering 3724/3728 (removed 4) transitions.
[2023-03-10 20:53:53] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
// Phase 1: matrix 406 rows 191 cols
[2023-03-10 20:53:53] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-10 20:53:54] [INFO ] Implicit Places using invariants in 569 ms returned []
[2023-03-10 20:53:54] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:53:54] [INFO ] Invariant cache hit.
[2023-03-10 20:53:54] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:55] [INFO ] Implicit Places using invariants and state equation in 1180 ms returned [82, 164]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1754 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 189/196 places, 3724/3728 transitions.
Applied a total of 0 rules in 578 ms. Remains 189 /189 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3033 ms. Remains : 189/196 places, 3724/3728 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s33 1) (GEQ s81 1)) (AND (GEQ s23 1) (GEQ s81 1)) (AND (GEQ s4 1) (GEQ s81 1)) (AND (GEQ s53 1) (GEQ s81 1)) (AND (GEQ s72 1) (GEQ s81 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 490 steps with 0 reset in 16 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-06 finished in 3217 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&!(p1 U p2))))'
Support contains 189 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 836 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:53:56] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 195 cols
[2023-03-10 20:53:56] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:53:58] [INFO ] Dead Transitions using invariants and state equation in 1246 ms found 0 transitions.
[2023-03-10 20:53:58] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:58] [INFO ] Invariant cache hit.
[2023-03-10 20:53:58] [INFO ] Implicit Places using invariants in 76 ms returned []
[2023-03-10 20:53:58] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:58] [INFO ] Invariant cache hit.
[2023-03-10 20:53:58] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:53:58] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 527 ms to find 0 implicit places.
[2023-03-10 20:53:58] [INFO ] Redundant transitions in 286 ms returned []
[2023-03-10 20:53:58] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:53:58] [INFO ] Invariant cache hit.
[2023-03-10 20:54:00] [INFO ] Dead Transitions using invariants and state equation in 1111 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 195/196 places, 3727/3728 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4019 ms. Remains : 195/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p1) p2), (NOT p1), p2]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(OR (AND (NOT p1) (NOT p0)) p2), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={0} 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: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={0} source=2 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(OR (AND (GEQ s1 1) (GEQ s155 1) (GEQ s168 1) (GEQ s179 1)) (AND (GEQ s1 1) (GEQ s131 1) (GEQ s168 1) (GEQ s177 1)) (AND (GEQ s1 1) (GEQ s143 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 660 steps with 0 reset in 155 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-07 finished in 4399 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X((G(p1) U (p2&&G(p1))))||p0))))'
Support contains 189 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 53 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:54:00] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:00] [INFO ] Invariant cache hit.
[2023-03-10 20:54:01] [INFO ] Dead Transitions using invariants and state equation in 950 ms found 0 transitions.
[2023-03-10 20:54:01] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:01] [INFO ] Invariant cache hit.
[2023-03-10 20:54:01] [INFO ] Implicit Places using invariants in 172 ms returned []
[2023-03-10 20:54:01] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:01] [INFO ] Invariant cache hit.
[2023-03-10 20:54:01] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:54:02] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 734 ms to find 0 implicit places.
[2023-03-10 20:54:02] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:02] [INFO ] Invariant cache hit.
[2023-03-10 20:54:03] [INFO ] Dead Transitions using invariants and state equation in 1232 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 195/196 places, 3727/3728 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2973 ms. Remains : 195/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 247 ms :[(NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (OR (NOT p1) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 4}], [{ cond=(NOT p0), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND p2 p1), acceptance={0} source=5 dest: 0}, { cond=(NOT p1), acceptance={0} source=5 dest: 4}, { cond=(AND (NOT p2) p1), acceptance={0} source=5 dest: 5}]], initial=3, aps=[p1:(OR (AND (GEQ s0 20) (GEQ s193 1)) (AND (GEQ s0 20) (GEQ s194 1))), p0:(OR (AND (GEQ s147 1) (GEQ s167 1)) (AND (GEQ s108 1) (GEQ s167 1)) (AND (GEQ s1...], 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][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 1219 ms.
Product exploration explored 100000 steps with 33333 reset in 1135 ms.
Computed a total of 168 stabilizing places and 323 stable transitions
Computed a total of 168 stabilizing places and 323 stable transitions
Detected a total of 168/195 stabilizing places and 323/3727 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 p2), (X (X p0)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 6 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-08 finished in 5738 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 U (p1||G(!p0))))))'
Support contains 185 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 621 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:54:06] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:06] [INFO ] Invariant cache hit.
[2023-03-10 20:54:07] [INFO ] Dead Transitions using invariants and state equation in 1087 ms found 0 transitions.
[2023-03-10 20:54:07] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:07] [INFO ] Invariant cache hit.
[2023-03-10 20:54:07] [INFO ] Implicit Places using invariants in 121 ms returned []
[2023-03-10 20:54:07] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:07] [INFO ] Invariant cache hit.
[2023-03-10 20:54:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:54:08] [INFO ] Implicit Places using invariants and state equation in 553 ms returned [83]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 682 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 194/196 places, 3727/3728 transitions.
Applied a total of 0 rules in 827 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3218 ms. Remains : 194/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (NOT (OR (AND (GEQ s10 1) (GEQ s84 1) (GEQ s168 1) (GEQ s175 1)) (AND (GEQ s69 1) (GEQ s84 1) (GEQ s168 1) (GEQ s181 1)) (AND (GEQ s30 1) (GEQ s84...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 847 reset in 6391 ms.
Product exploration explored 100000 steps with 871 reset in 5931 ms.
Computed a total of 167 stabilizing places and 323 stable transitions
Computed a total of 167 stabilizing places and 323 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 285 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Finished random walk after 7553 steps, including 11 resets, run visited all 2 properties in 752 ms. (steps per millisecond=10 )
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(F (AND p0 (NOT p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 335 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 106 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 185 out of 194 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 194/194 places, 3727/3727 transitions.
Applied a total of 0 rules in 806 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
[2023-03-10 20:54:24] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 194 cols
[2023-03-10 20:54:24] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-10 20:54:25] [INFO ] Dead Transitions using invariants and state equation in 1179 ms found 0 transitions.
[2023-03-10 20:54:25] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:25] [INFO ] Invariant cache hit.
[2023-03-10 20:54:25] [INFO ] Implicit Places using invariants in 124 ms returned []
[2023-03-10 20:54:25] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:25] [INFO ] Invariant cache hit.
[2023-03-10 20:54:26] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:54:26] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 600 ms to find 0 implicit places.
[2023-03-10 20:54:26] [INFO ] Redundant transitions in 247 ms returned []
[2023-03-10 20:54:26] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:26] [INFO ] Invariant cache hit.
[2023-03-10 20:54:27] [INFO ] Dead Transitions using invariants and state equation in 1242 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4090 ms. Remains : 194/194 places, 3727/3727 transitions.
Computed a total of 167 stabilizing places and 323 stable transitions
Computed a total of 167 stabilizing places and 323 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 270 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 14 resets, run finished after 724 ms. (steps per millisecond=13 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 1526 ms. (steps per millisecond=6 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 20:54:30] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:30] [INFO ] Invariant cache hit.
[2023-03-10 20:54:32] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:54:32] [INFO ] After 165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 20:54:32] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:54:41] [INFO ] After 8781ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 20:54:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:54:50] [INFO ] After 8769ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 20:54:57] [INFO ] After 16062ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-10 20:54:57] [INFO ] After 25018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 52 ms.
Support contains 185 out of 194 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 194/194 places, 3727/3727 transitions.
Applied a total of 0 rules in 791 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
[2023-03-10 20:54:58] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:54:58] [INFO ] Invariant cache hit.
[2023-03-10 20:54:59] [INFO ] Dead Transitions using invariants and state equation in 1181 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1973 ms. Remains : 194/194 places, 3727/3727 transitions.
Finished random walk after 5510 steps, including 8 resets, run visited all 1 properties in 410 ms. (steps per millisecond=13 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(F (AND p0 (NOT p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 5 factoid took 337 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 127 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 113 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 884 reset in 1800 ms.
Product exploration explored 100000 steps with 856 reset in 1401 ms.
Support contains 185 out of 194 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 194/194 places, 3727/3727 transitions.
Applied a total of 0 rules in 622 ms. Remains 194 /194 variables (removed 0) and now considering 3727/3727 (removed 0) transitions.
[2023-03-10 20:55:04] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:04] [INFO ] Invariant cache hit.
[2023-03-10 20:55:05] [INFO ] Dead Transitions using invariants and state equation in 1199 ms found 0 transitions.
[2023-03-10 20:55:05] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:05] [INFO ] Invariant cache hit.
[2023-03-10 20:55:05] [INFO ] Implicit Places using invariants in 117 ms returned []
[2023-03-10 20:55:05] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:05] [INFO ] Invariant cache hit.
[2023-03-10 20:55:05] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:06] [INFO ] Implicit Places using invariants and state equation in 583 ms returned []
Implicit Place search using SMT with State Equation took 701 ms to find 0 implicit places.
[2023-03-10 20:55:06] [INFO ] Redundant transitions in 179 ms returned []
[2023-03-10 20:55:06] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:06] [INFO ] Invariant cache hit.
[2023-03-10 20:55:07] [INFO ] Dead Transitions using invariants and state equation in 1317 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4033 ms. Remains : 194/194 places, 3727/3727 transitions.
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-09 finished in 62443 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U (p0 U !p1)))'
Support contains 105 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Applied a total of 2 rules in 693 ms. Remains 195 /196 variables (removed 1) and now considering 3727/3728 (removed 1) transitions.
[2023-03-10 20:55:09] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
// Phase 1: matrix 409 rows 195 cols
[2023-03-10 20:55:09] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:55:10] [INFO ] Dead Transitions using invariants and state equation in 1154 ms found 0 transitions.
[2023-03-10 20:55:10] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:10] [INFO ] Invariant cache hit.
[2023-03-10 20:55:10] [INFO ] Implicit Places using invariants in 223 ms returned []
[2023-03-10 20:55:10] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:10] [INFO ] Invariant cache hit.
[2023-03-10 20:55:10] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:11] [INFO ] Implicit Places using invariants and state equation in 802 ms returned []
Implicit Place search using SMT with State Equation took 1027 ms to find 0 implicit places.
[2023-03-10 20:55:11] [INFO ] Redundant transitions in 179 ms returned []
[2023-03-10 20:55:11] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
[2023-03-10 20:55:11] [INFO ] Invariant cache hit.
[2023-03-10 20:55:12] [INFO ] Dead Transitions using invariants and state equation in 1251 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 195/196 places, 3727/3728 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4310 ms. Remains : 195/196 places, 3727/3728 transitions.
Stuttering acceptance computed with spot in 156 ms :[p1, p0, p1, true]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 1}, { cond=(AND p1 p0), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p0), acceptance={0} source=2 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (OR (LT s0 1) (LT s73 1) (LT s83 1) (LT s168 1)) (OR (LT s0 1) (LT s18 1) (LT s83 1) (LT s168 1)) (OR (LT s0 1) (LT s49 1) (LT s83 1) (LT s168 1))...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Entered a terminal (fully accepting) state of product in 13 steps with 2 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-10 finished in 4508 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(!p1))))'
Support contains 4 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 22 ms. Remains 196 /196 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:55:13] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
// Phase 1: matrix 410 rows 196 cols
[2023-03-10 20:55:13] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-10 20:55:14] [INFO ] Dead Transitions using invariants and state equation in 1087 ms found 0 transitions.
[2023-03-10 20:55:14] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:55:14] [INFO ] Invariant cache hit.
[2023-03-10 20:55:14] [INFO ] Implicit Places using invariants in 669 ms returned []
[2023-03-10 20:55:14] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:55:14] [INFO ] Invariant cache hit.
[2023-03-10 20:55:15] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:17] [INFO ] Implicit Places using invariants and state equation in 3055 ms returned [83, 167]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3743 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 19 ms. Remains 194 /194 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4873 ms. Remains : 194/196 places, 3728/3728 transitions.
Stuttering acceptance computed with spot in 151 ms :[true, (OR (NOT p0) p1), p1, (OR (NOT p0) p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 2}], [{ cond=(OR (NOT p0) p1), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 2}]], initial=1, aps=[p1:(OR (AND (GEQ s170 1) (GEQ s191 1)) (AND (GEQ s169 1) (GEQ s191 1))), p0:(LT s165 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 130 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-11 finished in 5066 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(F(!p1)))))'
Support contains 4 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 29 ms. Remains 196 /196 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:55:18] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:55:18] [INFO ] Invariant cache hit.
[2023-03-10 20:55:19] [INFO ] Dead Transitions using invariants and state equation in 1165 ms found 0 transitions.
[2023-03-10 20:55:19] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:55:19] [INFO ] Invariant cache hit.
[2023-03-10 20:55:19] [INFO ] Implicit Places using invariants in 598 ms returned []
[2023-03-10 20:55:19] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:55:19] [INFO ] Invariant cache hit.
[2023-03-10 20:55:20] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:22] [INFO ] Implicit Places using invariants and state equation in 2487 ms returned [83, 167]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3095 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 20 ms. Remains 194 /194 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4313 ms. Remains : 194/196 places, 3728/3728 transitions.
Stuttering acceptance computed with spot in 176 ms :[(AND p0 p1), (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s0 20) (GEQ s192 1)) (AND (GEQ s0 20) (GEQ s193 1))), p1:(LT s165 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 50000 reset in 1218 ms.
Product exploration explored 100000 steps with 50000 reset in 1138 ms.
Computed a total of 167 stabilizing places and 324 stable transitions
Computed a total of 167 stabilizing places and 324 stable transitions
Detected a total of 167/194 stabilizing places and 324/3728 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (X (NOT (AND p0 p1)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT p0))
Knowledge based reduction with 4 factoid took 114 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V80P20N20-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-13 finished in 7028 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||X((p1&&G(p0)))))))'
Support contains 185 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 195 transition count 3727
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 195 transition count 3727
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 13 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 193 transition count 3726
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 10 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 191 transition count 3724
Applied a total of 9 rules in 913 ms. Remains 191 /196 variables (removed 5) and now considering 3724/3728 (removed 4) transitions.
[2023-03-10 20:55:26] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
// Phase 1: matrix 406 rows 191 cols
[2023-03-10 20:55:26] [INFO ] Computed 4 place invariants in 9 ms
[2023-03-10 20:55:26] [INFO ] Implicit Places using invariants in 90 ms returned []
[2023-03-10 20:55:26] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:55:26] [INFO ] Invariant cache hit.
[2023-03-10 20:55:26] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:26] [INFO ] Implicit Places using invariants and state equation in 607 ms returned [82]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 707 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 190/196 places, 3724/3728 transitions.
Applied a total of 0 rules in 920 ms. Remains 190 /190 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2542 ms. Remains : 190/196 places, 3724/3728 transitions.
Stuttering acceptance computed with spot in 118 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s152 1) (GEQ s165 1) (GEQ s176 1)) (AND (GEQ s0 1) (GEQ s128 1) (GEQ s165 1) (GEQ s174 1)) (AND (GEQ s0 1) (GEQ s140 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration timeout after 88970 steps with 181 reset in 10001 ms.
Product exploration timeout after 88700 steps with 180 reset in 10001 ms.
Computed a total of 165 stabilizing places and 322 stable transitions
Computed a total of 165 stabilizing places and 322 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
Knowledge based reduction with 5 factoid took 383 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Incomplete random walk after 10000 steps, including 20 resets, run finished after 903 ms. (steps per millisecond=11 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 2065 ms. (steps per millisecond=4 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 20:55:51] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
// Phase 1: matrix 406 rows 190 cols
[2023-03-10 20:55:51] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-10 20:55:54] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2023-03-10 20:55:55] [INFO ] After 235ms 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 (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (G (NOT (AND p0 p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F p0), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 6 factoid took 394 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[p0]
Stuttering acceptance computed with spot in 60 ms :[p0]
Support contains 103 out of 190 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 190/190 places, 3724/3724 transitions.
Applied a total of 0 rules in 921 ms. Remains 190 /190 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
[2023-03-10 20:55:56] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:55:56] [INFO ] Invariant cache hit.
[2023-03-10 20:55:56] [INFO ] Implicit Places using invariants in 76 ms returned []
[2023-03-10 20:55:56] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:55:56] [INFO ] Invariant cache hit.
[2023-03-10 20:55:56] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:55:57] [INFO ] Implicit Places using invariants and state equation in 437 ms returned [163]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 518 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 189/190 places, 3724/3724 transitions.
Applied a total of 0 rules in 659 ms. Remains 189 /189 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2100 ms. Remains : 189/190 places, 3724/3724 transitions.
Computed a total of 164 stabilizing places and 322 stable transitions
Computed a total of 164 stabilizing places and 322 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 149 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 201 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[p0]
Stuttering acceptance computed with spot in 58 ms :[p0]
Stuttering acceptance computed with spot in 55 ms :[p0]
Product exploration timeout after 93120 steps with 189 reset in 10001 ms.
Product exploration timeout after 99410 steps with 202 reset in 10001 ms.
Support contains 103 out of 189 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 189/189 places, 3724/3724 transitions.
Applied a total of 0 rules in 605 ms. Remains 189 /189 variables (removed 0) and now considering 3724/3724 (removed 0) transitions.
[2023-03-10 20:56:19] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
// Phase 1: matrix 406 rows 189 cols
[2023-03-10 20:56:19] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 20:56:19] [INFO ] Implicit Places using invariants in 271 ms returned []
[2023-03-10 20:56:19] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:56:19] [INFO ] Invariant cache hit.
[2023-03-10 20:56:20] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:56:20] [INFO ] Implicit Places using invariants and state equation in 950 ms returned []
Implicit Place search using SMT with State Equation took 1223 ms to find 0 implicit places.
[2023-03-10 20:56:21] [INFO ] Redundant transitions in 185 ms returned []
[2023-03-10 20:56:21] [INFO ] Flow matrix only has 406 transitions (discarded 3318 similar events)
[2023-03-10 20:56:21] [INFO ] Invariant cache hit.
[2023-03-10 20:56:22] [INFO ] Dead Transitions using invariants and state equation in 1248 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3272 ms. Remains : 189/189 places, 3724/3724 transitions.
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-14 finished in 58494 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&F(!p1))))'
Support contains 84 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 518 ms. Remains 196 /196 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:56:24] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
// Phase 1: matrix 410 rows 196 cols
[2023-03-10 20:56:24] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:56:25] [INFO ] Dead Transitions using invariants and state equation in 1022 ms found 0 transitions.
[2023-03-10 20:56:25] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:25] [INFO ] Invariant cache hit.
[2023-03-10 20:56:25] [INFO ] Implicit Places using invariants in 335 ms returned []
[2023-03-10 20:56:25] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:25] [INFO ] Invariant cache hit.
[2023-03-10 20:56:25] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:56:27] [INFO ] Implicit Places using invariants and state equation in 1703 ms returned [83]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2043 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 195/196 places, 3728/3728 transitions.
Applied a total of 0 rules in 703 ms. Remains 195 /195 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4288 ms. Remains : 195/196 places, 3728/3728 transitions.
Stuttering acceptance computed with spot in 118 ms :[p1, (OR (NOT p0) p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V80P20N20-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 p1), acceptance={0} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p1:(LT s165 1), p0:(OR (AND (GEQ s0 1) (GEQ s105 1) (GEQ s166 1) (GEQ s169 1)) (AND (GEQ s0 1) (GEQ s136 1) (GEQ s166 1) (GEQ s169 1)) (AND (GEQ s0 1) (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 864 reset in 1766 ms.
Product exploration explored 100000 steps with 906 reset in 1525 ms.
Computed a total of 168 stabilizing places and 324 stable transitions
Computed a total of 168 stabilizing places and 324 stable transitions
Detected a total of 168/195 stabilizing places and 324/3728 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 415 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 102 ms :[p1, (OR (NOT p0) p1)]
Finished random walk after 8 steps, including 0 resets, run visited all 3 properties in 3 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (AND p0 p1))]
Knowledge based reduction with 8 factoid took 453 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 86 ms :[p1, (OR (NOT p0) p1)]
Stuttering acceptance computed with spot in 108 ms :[p1, (OR (NOT p0) p1)]
[2023-03-10 20:56:32] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
// Phase 1: matrix 410 rows 195 cols
[2023-03-10 20:56:32] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:56:35] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-10 20:56:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:56:36] [INFO ] [Real]Absence check using state equation in 572 ms returned sat
[2023-03-10 20:56:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:56:38] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-10 20:56:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:56:39] [INFO ] [Nat]Absence check using state equation in 461 ms returned sat
[2023-03-10 20:56:39] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:56:39] [INFO ] [Nat]Added 42 Read/Feed constraints in 688 ms returned sat
[2023-03-10 20:56:39] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 227 transitions) in 121 ms.
[2023-03-10 20:56:40] [INFO ] Added : 22 causal constraints over 6 iterations in 543 ms. Result :sat
Could not prove EG (NOT p0)
[2023-03-10 20:56:40] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:40] [INFO ] Invariant cache hit.
[2023-03-10 20:56:41] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:56:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:56:42] [INFO ] [Real]Absence check using state equation in 984 ms returned sat
[2023-03-10 20:56:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:56:43] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:56:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:56:44] [INFO ] [Nat]Absence check using state equation in 194 ms returned sat
[2023-03-10 20:56:44] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:56:47] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-10 20:56:49] [INFO ] [Nat]Added 42 Read/Feed constraints in 5296 ms returned sat
[2023-03-10 20:56:49] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 227 transitions) in 127 ms.
[2023-03-10 20:56:49] [INFO ] Added : 17 causal constraints over 5 iterations in 383 ms. Result :sat
Could not prove EG p1
Support contains 84 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 3728/3728 transitions.
Applied a total of 0 rules in 668 ms. Remains 195 /195 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:56:50] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:50] [INFO ] Invariant cache hit.
[2023-03-10 20:56:51] [INFO ] Dead Transitions using invariants and state equation in 1187 ms found 0 transitions.
[2023-03-10 20:56:51] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:51] [INFO ] Invariant cache hit.
[2023-03-10 20:56:52] [INFO ] Implicit Places using invariants in 474 ms returned []
[2023-03-10 20:56:52] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:52] [INFO ] Invariant cache hit.
[2023-03-10 20:56:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:56:53] [INFO ] Implicit Places using invariants and state equation in 1453 ms returned []
Implicit Place search using SMT with State Equation took 1931 ms to find 0 implicit places.
[2023-03-10 20:56:53] [INFO ] Redundant transitions in 152 ms returned []
[2023-03-10 20:56:53] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:53] [INFO ] Invariant cache hit.
[2023-03-10 20:56:55] [INFO ] Dead Transitions using invariants and state equation in 1268 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5221 ms. Remains : 195/195 places, 3728/3728 transitions.
Computed a total of 168 stabilizing places and 324 stable transitions
Computed a total of 168 stabilizing places and 324 stable transitions
Detected a total of 168/195 stabilizing places and 324/3728 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 362 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 90 ms :[p1, (OR (NOT p0) p1)]
Finished random walk after 202 steps, including 0 resets, run visited all 3 properties in 14 ms. (steps per millisecond=14 )
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (AND p0 p1))]
Knowledge based reduction with 8 factoid took 499 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 110 ms :[p1, (OR (NOT p0) p1)]
Stuttering acceptance computed with spot in 120 ms :[p1, (OR (NOT p0) p1)]
[2023-03-10 20:56:56] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:56:56] [INFO ] Invariant cache hit.
[2023-03-10 20:56:59] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-10 20:56:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:57:00] [INFO ] [Real]Absence check using state equation in 567 ms returned sat
[2023-03-10 20:57:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:57:03] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-10 20:57:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:57:03] [INFO ] [Nat]Absence check using state equation in 498 ms returned sat
[2023-03-10 20:57:03] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:57:04] [INFO ] [Nat]Added 42 Read/Feed constraints in 1112 ms returned sat
[2023-03-10 20:57:04] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 227 transitions) in 130 ms.
[2023-03-10 20:57:05] [INFO ] Added : 89 causal constraints over 18 iterations in 863 ms. Result :sat
Could not prove EG (NOT p0)
[2023-03-10 20:57:05] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:57:05] [INFO ] Invariant cache hit.
[2023-03-10 20:57:06] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 20:57:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:57:07] [INFO ] [Real]Absence check using state equation in 976 ms returned sat
[2023-03-10 20:57:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:57:08] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:57:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:57:09] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2023-03-10 20:57:09] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:57:12] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-10 20:57:13] [INFO ] [Nat]Added 42 Read/Feed constraints in 4397 ms returned sat
[2023-03-10 20:57:13] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 227 transitions) in 143 ms.
[2023-03-10 20:57:14] [INFO ] Added : 20 causal constraints over 6 iterations in 525 ms. Result :sat
Could not prove EG p1
Stuttering acceptance computed with spot in 109 ms :[p1, (OR (NOT p0) p1)]
Product exploration explored 100000 steps with 857 reset in 1788 ms.
Product exploration explored 100000 steps with 869 reset in 1581 ms.
Support contains 84 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 3728/3728 transitions.
Applied a total of 0 rules in 574 ms. Remains 195 /195 variables (removed 0) and now considering 3728/3728 (removed 0) transitions.
[2023-03-10 20:57:18] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:57:18] [INFO ] Invariant cache hit.
[2023-03-10 20:57:19] [INFO ] Dead Transitions using invariants and state equation in 1203 ms found 0 transitions.
[2023-03-10 20:57:19] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:57:19] [INFO ] Invariant cache hit.
[2023-03-10 20:57:19] [INFO ] Implicit Places using invariants in 390 ms returned []
[2023-03-10 20:57:19] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:57:19] [INFO ] Invariant cache hit.
[2023-03-10 20:57:20] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:57:21] [INFO ] Implicit Places using invariants and state equation in 1311 ms returned []
Implicit Place search using SMT with State Equation took 1704 ms to find 0 implicit places.
[2023-03-10 20:57:21] [INFO ] Redundant transitions in 151 ms returned []
[2023-03-10 20:57:21] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
[2023-03-10 20:57:21] [INFO ] Invariant cache hit.
[2023-03-10 20:57:22] [INFO ] Dead Transitions using invariants and state equation in 1284 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4929 ms. Remains : 195/195 places, 3728/3728 transitions.
Treatment of property BridgeAndVehicles-COL-V80P20N20-LTLFireability-15 finished in 59415 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((G(F(p0)) U (!p0 U p1))))||G(p2)))'
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 U (p1||G(!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' '!(F(G((!p0||X((p1&&G(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' '!(F((p0&&F(!p1))))'
[2023-03-10 20:57:24] [INFO ] Flatten gal took : 268 ms
[2023-03-10 20:57:24] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 58 ms.
[2023-03-10 20:57:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 196 places, 3728 transitions and 28828 arcs took 26 ms.
Total runtime 288413 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-COL-V80P20N20
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/378
LTLFireability

BK_STOP 1678481924929

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/378/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/378/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/378/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:430
lola: rewrite Frontend/Parser/formula_rewrite.k:433
lola: rewrite Frontend/Parser/formula_rewrite.k:433
/home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin//../BenchKit_head.sh: line 63: 1815 Killed lola --conf=$BIN_DIR/configfiles/ltlfireabilityconf --formula=$DIR/LTLFireability.xml --verdictfile=$DIR/GenericPropertiesVerdict.xml $DIR/model.pnml

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="BridgeAndVehicles-COL-V80P20N20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is BridgeAndVehicles-COL-V80P20N20, 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 r039-tajo-167813692100124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P20N20.tgz
mv BridgeAndVehicles-COL-V80P20N20 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 ;