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-167813692000076.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)
.............................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-COL-V50P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692000076
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.0K Feb 25 12:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 25 12:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 12:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 12:18 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 4.5K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 17K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Feb 25 12:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 25 12:47 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 42K 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-V50P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678479158090

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-V50P20N20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 20:12:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 20:12:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 20:12:39] [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 20:12:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-10 20:12:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 427 ms
[2023-03-10 20:12:40] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 138 PT places and 218878.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
[2023-03-10 20:12:40] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2023-03-10 20:12:40] [INFO ] Skeletonized 10 HLPN properties in 1 ms. Removed 6 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-02 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 2 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.1 ms
Finished random walk after 113 steps, including 0 resets, run visited all 2 properties in 15 ms. (steps per millisecond=7 )
[2023-03-10 20:12:40] [INFO ] Flatten gal took : 11 ms
[2023-03-10 20:12:40] [INFO ] Flatten gal took : 1 ms
Arc [1:1*[(MOD (ADD $cA 1) 51)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 51) 51) 51)]] 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 20:12:40] [INFO ] Unfolded HLPN to a Petri net with 138 places and 2348 transitions 18090 arcs in 105 ms.
[2023-03-10 20:12:40] [INFO ] Unfolded 14 HLPN properties in 3 ms.
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 136 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 2348/2348 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 136 transition count 2348
Applied a total of 2 rules in 31 ms. Remains 136 /138 variables (removed 2) and now considering 2348/2348 (removed 0) transitions.
[2023-03-10 20:12:40] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 136 cols
[2023-03-10 20:12:40] [INFO ] Computed 5 place invariants in 24 ms
[2023-03-10 20:12:41] [INFO ] Dead Transitions using invariants and state equation in 1007 ms found 0 transitions.
[2023-03-10 20:12:41] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:12:41] [INFO ] Invariant cache hit.
[2023-03-10 20:12:41] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-10 20:12:41] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:12:41] [INFO ] Invariant cache hit.
[2023-03-10 20:12:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:42] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2023-03-10 20:12:42] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:12:42] [INFO ] Invariant cache hit.
[2023-03-10 20:12:42] [INFO ] Dead Transitions using invariants and state equation in 662 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 136/138 places, 2348/2348 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1923 ms. Remains : 136/138 places, 2348/2348 transitions.
Support contains 136 out of 136 places after structural reductions.
[2023-03-10 20:12:43] [INFO ] Flatten gal took : 265 ms
[2023-03-10 20:12:44] [INFO ] Flatten gal took : 269 ms
[2023-03-10 20:12:45] [INFO ] Input system was already deterministic with 2348 transitions.
Finished random walk after 1690 steps, including 3 resets, run visited all 17 properties in 438 ms. (steps per millisecond=3 )
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 109 stabilizing places and 204 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0) U (p1&&G(!p0)))))'
Support contains 125 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 27 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:12:46] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 20:12:46] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 20:12:47] [INFO ] Dead Transitions using invariants and state equation in 787 ms found 0 transitions.
[2023-03-10 20:12:47] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:47] [INFO ] Invariant cache hit.
[2023-03-10 20:12:47] [INFO ] Implicit Places using invariants in 91 ms returned []
[2023-03-10 20:12:47] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:47] [INFO ] Invariant cache hit.
[2023-03-10 20:12:47] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:47] [INFO ] Implicit Places using invariants and state equation in 359 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 470 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 28 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1316 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 382 ms :[p0, (OR (NOT p1) p0), true, (OR (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=p0, acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(OR (AND (GEQ s45 1) (GEQ s54 1) (GEQ s108 1) (GEQ s119 1)) (AND (GEQ s28 1) (GEQ s54 1) (GEQ s108 1) (GEQ s125 1)) (AND (GEQ s7 1) (GEQ s54 1) (GEQ s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1620 steps with 3 reset in 259 ms.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-00 finished in 2087 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' '!(((!p0 U X(p1))&&((X(G(!p3))||p2) U X(p4))))'
Support contains 129 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 27 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:12:48] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:48] [INFO ] Invariant cache hit.
[2023-03-10 20:12:49] [INFO ] Dead Transitions using invariants and state equation in 942 ms found 0 transitions.
[2023-03-10 20:12:49] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:49] [INFO ] Invariant cache hit.
[2023-03-10 20:12:49] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-10 20:12:49] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:49] [INFO ] Invariant cache hit.
[2023-03-10 20:12:49] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:49] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 307 ms to find 0 implicit places.
[2023-03-10 20:12:49] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:49] [INFO ] Invariant cache hit.
[2023-03-10 20:12:50] [INFO ] Dead Transitions using invariants and state equation in 837 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 135/136 places, 2347/2348 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2117 ms. Remains : 135/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 308 ms :[(OR (NOT p1) (NOT p4)), (NOT p1), (NOT p1), (AND p3 (NOT p4)), (NOT p4), true, p3]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}, { cond=(NOT p2), acceptance={} source=0 dest: 3}, { cond=true, acceptance={} source=0 dest: 4}], [{ cond=(NOT p1), acceptance={} source=1 dest: 5}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p4) p3), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p4) (NOT p3)), acceptance={} source=3 dest: 6}], [{ cond=(AND (NOT p2) (NOT p4)), acceptance={0} source=4 dest: 3}, { cond=(NOT p4), acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=p3, acceptance={} source=6 dest: 5}, { cond=(NOT p3), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s74 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s98 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s91 1) (GEQ s106...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 429 steps with 5 reset in 34 ms.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-03 finished in 2534 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)&&X(F((G(F(!p2))&&p1)))))'
Support contains 58 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 51 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:12:51] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:51] [INFO ] Invariant cache hit.
[2023-03-10 20:12:51] [INFO ] Dead Transitions using invariants and state equation in 724 ms found 0 transitions.
[2023-03-10 20:12:51] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:51] [INFO ] Invariant cache hit.
[2023-03-10 20:12:52] [INFO ] Implicit Places using invariants in 211 ms returned []
[2023-03-10 20:12:52] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:52] [INFO ] Invariant cache hit.
[2023-03-10 20:12:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:52] [INFO ] Implicit Places using invariants and state equation in 650 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 868 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 17 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1675 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 249 ms :[(OR (NOT p1) (NOT p0) p2), (NOT p0), (OR (NOT p1) p2), p2, p2, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 3}, { cond=true, acceptance={} source=2 dest: 4}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=p2, acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(OR (AND (GEQ s0 20) (GEQ s133 1)) (AND (GEQ s0 20) (GEQ s132 1))), p2:(OR (AND (GEQ s0 1) (GEQ s51 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, 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 1420 reset in 778 ms.
Product exploration explored 100000 steps with 1396 reset in 784 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 342 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 147 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=36 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 7 factoid took 341 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 20:12:55] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 20:12:55] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 20:12:56] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 20:12:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:12:56] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2023-03-10 20:12:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:12:56] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 20:12:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:12:56] [INFO ] [Nat]Absence check using state equation in 218 ms returned sat
[2023-03-10 20:12:56] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:57] [INFO ] [Nat]Added 42 Read/Feed constraints in 172 ms returned sat
[2023-03-10 20:12:57] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 167 ms.
[2023-03-10 20:12:57] [INFO ] Added : 21 causal constraints over 7 iterations in 468 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 12 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:12:57] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:57] [INFO ] Invariant cache hit.
[2023-03-10 20:12:58] [INFO ] Dead Transitions using invariants and state equation in 872 ms found 0 transitions.
[2023-03-10 20:12:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:58] [INFO ] Invariant cache hit.
[2023-03-10 20:12:58] [INFO ] Implicit Places using invariants in 292 ms returned []
[2023-03-10 20:12:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:58] [INFO ] Invariant cache hit.
[2023-03-10 20:12:59] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:12:59] [INFO ] Implicit Places using invariants and state equation in 800 ms returned []
Implicit Place search using SMT with State Equation took 1106 ms to find 0 implicit places.
[2023-03-10 20:12:59] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:12:59] [INFO ] Invariant cache hit.
[2023-03-10 20:13:00] [INFO ] Dead Transitions using invariants and state equation in 728 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2725 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge based reduction with 5 factoid took 240 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 152 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=50 )
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 5 factoid took 226 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 20:13:01] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:01] [INFO ] Invariant cache hit.
[2023-03-10 20:13:01] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:01] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2023-03-10 20:13:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:13:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:02] [INFO ] [Nat]Absence check using state equation in 190 ms returned sat
[2023-03-10 20:13:02] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:02] [INFO ] [Nat]Added 42 Read/Feed constraints in 255 ms returned sat
[2023-03-10 20:13:03] [INFO ] Deduced a trap composed of 5 places in 614 ms of which 5 ms to minimize.
[2023-03-10 20:13:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 675 ms
[2023-03-10 20:13:03] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 157 ms.
[2023-03-10 20:13:03] [INFO ] Added : 15 causal constraints over 4 iterations in 306 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 202 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Product exploration explored 100000 steps with 1398 reset in 611 ms.
Product exploration explored 100000 steps with 1422 reset in 703 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 158 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 407 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:13:05] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:05] [INFO ] Invariant cache hit.
[2023-03-10 20:13:06] [INFO ] Dead Transitions using invariants and state equation in 765 ms found 0 transitions.
[2023-03-10 20:13:06] [INFO ] Redundant transitions in 188 ms returned []
[2023-03-10 20:13:06] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:06] [INFO ] Invariant cache hit.
[2023-03-10 20:13:07] [INFO ] Dead Transitions using invariants and state equation in 628 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1997 ms. Remains : 134/134 places, 2347/2347 transitions.
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 11 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:13:07] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:07] [INFO ] Invariant cache hit.
[2023-03-10 20:13:08] [INFO ] Dead Transitions using invariants and state equation in 842 ms found 0 transitions.
[2023-03-10 20:13:08] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:08] [INFO ] Invariant cache hit.
[2023-03-10 20:13:08] [INFO ] Implicit Places using invariants in 226 ms returned []
[2023-03-10 20:13:08] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:08] [INFO ] Invariant cache hit.
[2023-03-10 20:13:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:09] [INFO ] Implicit Places using invariants and state equation in 868 ms returned []
Implicit Place search using SMT with State Equation took 1097 ms to find 0 implicit places.
[2023-03-10 20:13:09] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:09] [INFO ] Invariant cache hit.
[2023-03-10 20:13:10] [INFO ] Dead Transitions using invariants and state equation in 738 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2691 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 finished in 19411 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((!p0||(!p1 U (p2||G(!p1)))))))))'
Support contains 75 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 435 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:13:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 20:13:11] [INFO ] Computed 5 place invariants in 23 ms
[2023-03-10 20:13:11] [INFO ] Dead Transitions using invariants and state equation in 619 ms found 0 transitions.
[2023-03-10 20:13:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:11] [INFO ] Invariant cache hit.
[2023-03-10 20:13:11] [INFO ] Implicit Places using invariants in 136 ms returned []
[2023-03-10 20:13:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:11] [INFO ] Invariant cache hit.
[2023-03-10 20:13:11] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:12] [INFO ] Implicit Places using invariants and state equation in 485 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 638 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 133/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 265 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1961 ms. Remains : 133/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0, 1} source=1 dest: 1}], [{ cond=(OR (NOT p0) p2 (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={0, 1} source=2 dest: 2}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={1} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=3 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={0, 1} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={1} source=3 dest: 3}]], initial=0, aps=[p0:(OR (AND (GEQ s108 1) (GEQ s121 1)) (AND (GEQ s108 1) (GEQ s120 1)) (AND (GEQ s108 1) (GEQ s119 1)) (AND (GEQ s108 1) (GEQ s118 1)) (AND (GEQ s108 1) (...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 645 reset in 1116 ms.
Product exploration explored 100000 steps with 659 reset in 1003 ms.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Detected a total of 106/133 stabilizing places and 203/2347 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND p0 (NOT p2) p1)), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (OR (NOT p0) p2 (NOT p1))), (X (NOT (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT (OR (NOT p0) p2 (NOT p1)))))]
Knowledge based reduction with 7 factoid took 976 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
Finished random walk after 174 steps, including 0 resets, run visited all 6 properties in 6 ms. (steps per millisecond=29 )
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND p0 (NOT p2) p1)), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (OR (NOT p0) p2 (NOT p1))), (X (NOT (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT (OR (NOT p0) p2 (NOT p1))))), (F (AND (NOT p0) p1 (NOT p2))), (F (AND p0 (NOT p1) (NOT p2))), (F (AND (NOT p0) (NOT p1) (NOT p2))), (F (NOT p0)), (F (NOT (AND p0 p1 (NOT p2)))), (F (OR (NOT p0) (NOT p1) p2))]
Knowledge based reduction with 7 factoid took 1022 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 181 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
Stuttering acceptance computed with spot in 188 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
[2023-03-10 20:13:17] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 133 cols
[2023-03-10 20:13:17] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 20:13:18] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:18] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2023-03-10 20:13:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:13:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:19] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-10 20:13:19] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:19] [INFO ] [Nat]Added 42 Read/Feed constraints in 210 ms returned sat
[2023-03-10 20:13:20] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 88 ms.
[2023-03-10 20:13:20] [INFO ] Added : 21 causal constraints over 5 iterations in 260 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Support contains 75 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 2347/2347 transitions.
Applied a total of 0 rules in 386 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:13:20] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:20] [INFO ] Invariant cache hit.
[2023-03-10 20:13:21] [INFO ] Dead Transitions using invariants and state equation in 844 ms found 0 transitions.
[2023-03-10 20:13:21] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:21] [INFO ] Invariant cache hit.
[2023-03-10 20:13:21] [INFO ] Implicit Places using invariants in 211 ms returned []
[2023-03-10 20:13:21] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:21] [INFO ] Invariant cache hit.
[2023-03-10 20:13:21] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:22] [INFO ] Implicit Places using invariants and state equation in 389 ms returned []
Implicit Place search using SMT with State Equation took 618 ms to find 0 implicit places.
[2023-03-10 20:13:22] [INFO ] Redundant transitions in 95 ms returned []
[2023-03-10 20:13:22] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:22] [INFO ] Invariant cache hit.
[2023-03-10 20:13:23] [INFO ] Dead Transitions using invariants and state equation in 797 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2754 ms. Remains : 133/133 places, 2347/2347 transitions.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Detected a total of 106/133 stabilizing places and 203/2347 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (OR (NOT p0) (NOT p1) p2)), (X (NOT (OR (NOT p0) (NOT p1) p2))), (X (AND p0 p1 (NOT p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X (NOT p0)), (X p0), (X (X (OR (NOT p0) (NOT p1) p2))), (X (X (NOT (OR (NOT p0) (NOT p1) p2)))), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2)))))]
Knowledge based reduction with 6 factoid took 692 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 234 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Finished random walk after 149 steps, including 0 resets, run visited all 6 properties in 7 ms. (steps per millisecond=21 )
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (OR (NOT p0) (NOT p1) p2)), (X (NOT (OR (NOT p0) (NOT p1) p2))), (X (AND p0 p1 (NOT p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X (NOT p0)), (X p0), (X (X (OR (NOT p0) (NOT p1) p2))), (X (X (NOT (OR (NOT p0) (NOT p1) p2)))), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (F (AND (NOT p0) (NOT p2) p1)), (F (AND p0 (NOT p2) (NOT p1))), (F (AND (NOT p0) (NOT p2) (NOT p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2) p1))), (F (OR (NOT p0) p2 (NOT p1)))]
Knowledge based reduction with 6 factoid took 809 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
[2023-03-10 20:13:25] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:25] [INFO ] Invariant cache hit.
[2023-03-10 20:13:26] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:26] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2023-03-10 20:13:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:13:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:13:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:27] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2023-03-10 20:13:27] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 966 ms returned sat
[2023-03-10 20:13:28] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 84 ms.
[2023-03-10 20:13:29] [INFO ] Added : 22 causal constraints over 6 iterations in 288 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Product exploration explored 100000 steps with 648 reset in 1270 ms.
Product exploration explored 100000 steps with 648 reset in 1374 ms.
Support contains 75 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 2347/2347 transitions.
Applied a total of 0 rules in 443 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:13:32] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:32] [INFO ] Invariant cache hit.
[2023-03-10 20:13:33] [INFO ] Dead Transitions using invariants and state equation in 1230 ms found 0 transitions.
[2023-03-10 20:13:33] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:33] [INFO ] Invariant cache hit.
[2023-03-10 20:13:33] [INFO ] Implicit Places using invariants in 159 ms returned []
[2023-03-10 20:13:33] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:33] [INFO ] Invariant cache hit.
[2023-03-10 20:13:33] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:34] [INFO ] Implicit Places using invariants and state equation in 444 ms returned []
Implicit Place search using SMT with State Equation took 615 ms to find 0 implicit places.
[2023-03-10 20:13:34] [INFO ] Redundant transitions in 53 ms returned []
[2023-03-10 20:13:34] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:34] [INFO ] Invariant cache hit.
[2023-03-10 20:13:34] [INFO ] Dead Transitions using invariants and state equation in 733 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3086 ms. Remains : 133/133 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-07 finished in 24770 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G(!p0))||(X((!p2 U (!p3||G(!p2))))&&p1))))'
Support contains 76 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 31 ms. Remains 136 /136 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
[2023-03-10 20:13:35] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 136 cols
[2023-03-10 20:13:35] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 20:13:36] [INFO ] Dead Transitions using invariants and state equation in 765 ms found 0 transitions.
[2023-03-10 20:13:36] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:13:36] [INFO ] Invariant cache hit.
[2023-03-10 20:13:36] [INFO ] Implicit Places using invariants in 158 ms returned []
[2023-03-10 20:13:36] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:13:36] [INFO ] Invariant cache hit.
[2023-03-10 20:13:36] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:36] [INFO ] Implicit Places using invariants and state equation in 586 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 747 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 11 ms. Remains 134 /134 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1555 ms. Remains : 134/136 places, 2348/2348 transitions.
Stuttering acceptance computed with spot in 211 ms :[true, false, false, p0, (AND p3 p2), (AND p0 p3 p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 5}], [{ cond=p0, acceptance={} source=3 dest: 0}, { cond=(NOT p0), acceptance={} source=3 dest: 3}], [{ cond=(AND p3 p2), acceptance={} source=4 dest: 0}, { cond=(AND p3 (NOT p2)), acceptance={} source=4 dest: 4}], [{ cond=(AND p0 p3 p2), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p0) p3 p2), acceptance={} source=5 dest: 3}, { cond=(AND p0 p3 (NOT p2)), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p0) p3 (NOT p2)), acceptance={} source=5 dest: 5}]], initial=1, aps=[p0:(LT s105 1), p1:(AND (OR (LT s1 1) (LT s91 1) (LT s107 1) (LT s116 1)) (OR (LT s1 1) (LT s103 1) (LT s107 1) (LT s117 1)) (OR (LT s1 1) (LT s79 1) (LT ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 836 ms.
Product exploration explored 100000 steps with 50000 reset in 939 ms.
Computed a total of 107 stabilizing places and 204 stable transitions
Computed a total of 107 stabilizing places and 204 stable transitions
Detected a total of 107/134 stabilizing places and 204/2348 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND p0 p1 p3 (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p3 p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p3 (NOT p2))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND p0 p3 p2))), (X (X (NOT (AND p0 p3 p2)))), (X (X (AND p0 p3 (NOT p2)))), (X (X (NOT (AND p0 p3 (NOT p2)))))]
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 8 factoid took 253 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-08 finished in 3872 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(G(!p1))||p0)))'
Support contains 73 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 23 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:13:39] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 20:13:39] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 20:13:39] [INFO ] Dead Transitions using invariants and state equation in 662 ms found 0 transitions.
[2023-03-10 20:13:39] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:39] [INFO ] Invariant cache hit.
[2023-03-10 20:13:40] [INFO ] Implicit Places using invariants in 190 ms returned []
[2023-03-10 20:13:40] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:40] [INFO ] Invariant cache hit.
[2023-03-10 20:13:40] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:40] [INFO ] Implicit Places using invariants and state equation in 663 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 857 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 133/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 9 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1553 ms. Remains : 133/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 73 ms :[true, (AND (NOT p0) p1), p1]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s45 1) (GEQ s54 1) (GEQ s107 1) (GEQ s118 1)) (AND (GEQ s28 1) (GEQ s54 1) (GEQ s107 1) (GEQ s124 1)) (AND (GEQ s7 1) (GEQ s54 1) (GEQ s1...], 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 5750 steps with 13 reset in 445 ms.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-09 finished in 2108 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)))'
Support contains 52 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 14 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:13:41] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:41] [INFO ] Invariant cache hit.
[2023-03-10 20:13:42] [INFO ] Dead Transitions using invariants and state equation in 758 ms found 0 transitions.
[2023-03-10 20:13:42] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:42] [INFO ] Invariant cache hit.
[2023-03-10 20:13:42] [INFO ] Implicit Places using invariants in 209 ms returned []
[2023-03-10 20:13:42] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:42] [INFO ] Invariant cache hit.
[2023-03-10 20:13:42] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:42] [INFO ] Implicit Places using invariants and state equation in 586 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 798 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 133/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 7 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1578 ms. Remains : 133/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s2 1) (GEQ s52 1)) (AND (GEQ s22 1) (GEQ s52 1)) (AND (GEQ s41 1) (GEQ s52 1)) (AND (GEQ s32 1) (GEQ s52 1)) (AND (GEQ s51 1) (GEQ s52 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 769 ms.
Product exploration explored 100000 steps with 50000 reset in 699 ms.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Detected a total of 106/133 stabilizing places and 203/2347 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 90 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-10 finished in 3274 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 133 transition count 2346
Applied a total of 5 rules in 411 ms. Remains 133 /136 variables (removed 3) and now considering 2346/2348 (removed 2) transitions.
[2023-03-10 20:13:44] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
// Phase 1: matrix 288 rows 133 cols
[2023-03-10 20:13:44] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-10 20:13:45] [INFO ] Implicit Places using invariants in 375 ms returned []
[2023-03-10 20:13:45] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:45] [INFO ] Invariant cache hit.
[2023-03-10 20:13:45] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:46] [INFO ] Implicit Places using invariants and state equation in 1033 ms returned [52, 104]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1416 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 131/136 places, 2346/2348 transitions.
Applied a total of 0 rules in 190 ms. Remains 131 /131 variables (removed 0) and now considering 2346/2346 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2018 ms. Remains : 131/136 places, 2346/2348 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s107 1) (GEQ s128 1)) (AND (GEQ s106 1) (GEQ s128 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 798 reset in 426 ms.
Product exploration explored 100000 steps with 802 reset in 427 ms.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 132 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Finished random walk after 123 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=61 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 118 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
[2023-03-10 20:13:47] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
// Phase 1: matrix 288 rows 131 cols
[2023-03-10 20:13:47] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 20:13:48] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 20:13:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:48] [INFO ] [Real]Absence check using state equation in 240 ms returned sat
[2023-03-10 20:13:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:13:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 20:13:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:49] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2023-03-10 20:13:49] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:49] [INFO ] [Nat]Added 42 Read/Feed constraints in 57 ms returned sat
[2023-03-10 20:13:49] [INFO ] Deduced a trap composed of 5 places in 280 ms of which 1 ms to minimize.
[2023-03-10 20:13:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 306 ms
[2023-03-10 20:13:50] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 165 transitions) in 70 ms.
[2023-03-10 20:13:50] [INFO ] Added : 22 causal constraints over 6 iterations in 180 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 131 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 131/131 places, 2346/2346 transitions.
Applied a total of 0 rules in 176 ms. Remains 131 /131 variables (removed 0) and now considering 2346/2346 (removed 0) transitions.
[2023-03-10 20:13:50] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:50] [INFO ] Invariant cache hit.
[2023-03-10 20:13:50] [INFO ] Implicit Places using invariants in 362 ms returned []
[2023-03-10 20:13:50] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:50] [INFO ] Invariant cache hit.
[2023-03-10 20:13:50] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:51] [INFO ] Implicit Places using invariants and state equation in 798 ms returned []
Implicit Place search using SMT with State Equation took 1161 ms to find 0 implicit places.
[2023-03-10 20:13:51] [INFO ] Redundant transitions in 104 ms returned []
[2023-03-10 20:13:51] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:51] [INFO ] Invariant cache hit.
[2023-03-10 20:13:52] [INFO ] Dead Transitions using invariants and state equation in 850 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2303 ms. Remains : 131/131 places, 2346/2346 transitions.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 98 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Finished random walk after 140 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=70 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2023-03-10 20:13:52] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:52] [INFO ] Invariant cache hit.
[2023-03-10 20:13:53] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 20:13:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:53] [INFO ] [Real]Absence check using state equation in 199 ms returned sat
[2023-03-10 20:13:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:13:54] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 20:13:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:13:54] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2023-03-10 20:13:54] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:54] [INFO ] [Nat]Added 42 Read/Feed constraints in 65 ms returned sat
[2023-03-10 20:13:54] [INFO ] Deduced a trap composed of 5 places in 281 ms of which 1 ms to minimize.
[2023-03-10 20:13:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 311 ms
[2023-03-10 20:13:54] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 165 transitions) in 79 ms.
[2023-03-10 20:13:54] [INFO ] Added : 22 causal constraints over 6 iterations in 181 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Product exploration explored 100000 steps with 806 reset in 436 ms.
Product exploration explored 100000 steps with 804 reset in 429 ms.
Support contains 3 out of 131 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 131/131 places, 2346/2346 transitions.
Applied a total of 0 rules in 211 ms. Remains 131 /131 variables (removed 0) and now considering 2346/2346 (removed 0) transitions.
[2023-03-10 20:13:56] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:56] [INFO ] Invariant cache hit.
[2023-03-10 20:13:56] [INFO ] Implicit Places using invariants in 407 ms returned []
[2023-03-10 20:13:56] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:56] [INFO ] Invariant cache hit.
[2023-03-10 20:13:56] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:13:57] [INFO ] Implicit Places using invariants and state equation in 883 ms returned []
Implicit Place search using SMT with State Equation took 1292 ms to find 0 implicit places.
[2023-03-10 20:13:57] [INFO ] Redundant transitions in 68 ms returned []
[2023-03-10 20:13:57] [INFO ] Flow matrix only has 288 transitions (discarded 2058 similar events)
[2023-03-10 20:13:57] [INFO ] Invariant cache hit.
[2023-03-10 20:13:58] [INFO ] Dead Transitions using invariants and state equation in 785 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2365 ms. Remains : 131/131 places, 2346/2346 transitions.
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-11 finished in 13889 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 53 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 271 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:13:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 20:13:58] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-10 20:13:59] [INFO ] Dead Transitions using invariants and state equation in 850 ms found 0 transitions.
[2023-03-10 20:13:59] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:59] [INFO ] Invariant cache hit.
[2023-03-10 20:13:59] [INFO ] Implicit Places using invariants in 214 ms returned []
[2023-03-10 20:13:59] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:13:59] [INFO ] Invariant cache hit.
[2023-03-10 20:13:59] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:00] [INFO ] Implicit Places using invariants and state equation in 637 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 877 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 221 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2234 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 431 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-12 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 s73 1) (GEQ s105 1) (GEQ s108 1)) (AND (GEQ s0 1) (GEQ s97 1) (GEQ s105 1) (GEQ s108 1)) (AND (GEQ s0 1) (GEQ s90 1) (GEQ s105...], 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 412 steps with 0 reset in 12 ms.
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-12 finished in 2703 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p1)||p0))))'
Support contains 53 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 13 ms. Remains 136 /136 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
[2023-03-10 20:14:01] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 136 cols
[2023-03-10 20:14:01] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 20:14:01] [INFO ] Dead Transitions using invariants and state equation in 756 ms found 0 transitions.
[2023-03-10 20:14:01] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:14:01] [INFO ] Invariant cache hit.
[2023-03-10 20:14:02] [INFO ] Implicit Places using invariants in 225 ms returned []
[2023-03-10 20:14:02] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 20:14:02] [INFO ] Invariant cache hit.
[2023-03-10 20:14:02] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:02] [INFO ] Implicit Places using invariants and state equation in 747 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 975 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 15 ms. Remains 134 /134 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1763 ms. Remains : 134/136 places, 2348/2348 transitions.
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}]], initial=1, aps=[p1:(OR (GEQ s53 1) (AND (GEQ s2 1) (GEQ s52 1)) (AND (GEQ s22 1) (GEQ s52 1)) (AND (GEQ s41 1) (GEQ s52 1)) (AND (GEQ s32 1) (GEQ s52 1)) (AND (GEQ s51 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 655 ms.
Product exploration explored 100000 steps with 50000 reset in 888 ms.
Computed a total of 107 stabilizing places and 204 stable transitions
Computed a total of 107 stabilizing places and 204 stable transitions
Detected a total of 107/134 stabilizing places and 204/2348 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p1 p0)
Knowledge based reduction with 7 factoid took 324 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-14 finished in 3773 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)&&X(F((G(F(!p2))&&p1)))))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-04
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p1) (NOT p0) p2), (NOT p0), (OR (NOT p1) p2), p2, p2, (NOT p1)]
Support contains 58 out of 136 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 66 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 20:14:05] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 20:14:05] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 20:14:06] [INFO ] Dead Transitions using invariants and state equation in 851 ms found 0 transitions.
[2023-03-10 20:14:06] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:06] [INFO ] Invariant cache hit.
[2023-03-10 20:14:06] [INFO ] Implicit Places using invariants in 216 ms returned []
[2023-03-10 20:14:06] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:06] [INFO ] Invariant cache hit.
[2023-03-10 20:14:06] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:07] [INFO ] Implicit Places using invariants and state equation in 576 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 820 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 23 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1761 ms. Remains : 134/136 places, 2347/2348 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 3}, { cond=true, acceptance={} source=2 dest: 4}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=p2, acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(OR (AND (GEQ s0 20) (GEQ s133 1)) (AND (GEQ s0 20) (GEQ s132 1))), p2:(OR (AND (GEQ s0 1) (GEQ s51 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1423 reset in 629 ms.
Product exploration explored 100000 steps with 1425 reset in 630 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 392 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 136 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=68 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 7 factoid took 337 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 20:14:09] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 20:14:09] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 20:14:09] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 20:14:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:14:10] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2023-03-10 20:14:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:14:10] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 20:14:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:14:10] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2023-03-10 20:14:10] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:10] [INFO ] [Nat]Added 42 Read/Feed constraints in 136 ms returned sat
[2023-03-10 20:14:10] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 84 ms.
[2023-03-10 20:14:10] [INFO ] Added : 21 causal constraints over 7 iterations in 299 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 10 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:14:10] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:10] [INFO ] Invariant cache hit.
[2023-03-10 20:14:11] [INFO ] Dead Transitions using invariants and state equation in 742 ms found 0 transitions.
[2023-03-10 20:14:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:11] [INFO ] Invariant cache hit.
[2023-03-10 20:14:11] [INFO ] Implicit Places using invariants in 212 ms returned []
[2023-03-10 20:14:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:11] [INFO ] Invariant cache hit.
[2023-03-10 20:14:11] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:12] [INFO ] Implicit Places using invariants and state equation in 669 ms returned []
Implicit Place search using SMT with State Equation took 883 ms to find 0 implicit places.
[2023-03-10 20:14:12] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:12] [INFO ] Invariant cache hit.
[2023-03-10 20:14:13] [INFO ] Dead Transitions using invariants and state equation in 660 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2313 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge based reduction with 5 factoid took 194 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 137 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=45 )
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 5 factoid took 221 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 20:14:14] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:14] [INFO ] Invariant cache hit.
[2023-03-10 20:14:14] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:14:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 20:14:14] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2023-03-10 20:14:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 20:14:14] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 20:14:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 20:14:14] [INFO ] [Nat]Absence check using state equation in 185 ms returned sat
[2023-03-10 20:14:14] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:15] [INFO ] [Nat]Added 42 Read/Feed constraints in 213 ms returned sat
[2023-03-10 20:14:15] [INFO ] Deduced a trap composed of 5 places in 320 ms of which 2 ms to minimize.
[2023-03-10 20:14:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 377 ms
[2023-03-10 20:14:15] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 65 ms.
[2023-03-10 20:14:15] [INFO ] Added : 15 causal constraints over 4 iterations in 187 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Product exploration explored 100000 steps with 1382 reset in 752 ms.
Product exploration explored 100000 steps with 1369 reset in 621 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 165 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 321 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:14:17] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:17] [INFO ] Invariant cache hit.
[2023-03-10 20:14:18] [INFO ] Dead Transitions using invariants and state equation in 806 ms found 0 transitions.
[2023-03-10 20:14:18] [INFO ] Redundant transitions in 53 ms returned []
[2023-03-10 20:14:18] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:18] [INFO ] Invariant cache hit.
[2023-03-10 20:14:19] [INFO ] Dead Transitions using invariants and state equation in 672 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1879 ms. Remains : 134/134 places, 2347/2347 transitions.
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 8 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 20:14:19] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:19] [INFO ] Invariant cache hit.
[2023-03-10 20:14:20] [INFO ] Dead Transitions using invariants and state equation in 679 ms found 0 transitions.
[2023-03-10 20:14:20] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:20] [INFO ] Invariant cache hit.
[2023-03-10 20:14:20] [INFO ] Implicit Places using invariants in 250 ms returned []
[2023-03-10 20:14:20] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:20] [INFO ] Invariant cache hit.
[2023-03-10 20:14:20] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 20:14:21] [INFO ] Implicit Places using invariants and state equation in 738 ms returned []
Implicit Place search using SMT with State Equation took 990 ms to find 0 implicit places.
[2023-03-10 20:14:21] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 20:14:21] [INFO ] Invariant cache hit.
[2023-03-10 20:14:21] [INFO ] Dead Transitions using invariants and state equation in 818 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2506 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 finished in 17259 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((!p0||(!p1 U (p2||G(!p1)))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
[2023-03-10 20:14:22] [INFO ] Flatten gal took : 184 ms
[2023-03-10 20:14:22] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 21 ms.
[2023-03-10 20:14:22] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 136 places, 2348 transitions and 18088 arcs took 19 ms.
Total runtime 103124 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-COL-V50P20N20
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/376
LTLFireability

FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-COL-V50P20N20-LTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678479365918

--------------------
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:
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
++ sed s/.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/376/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/376/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/376/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:535
lola: rewrite Frontend/Parser/formula_rewrite.k:544
lola: rewrite Frontend/Parser/formula_rewrite.k:373
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 1.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 10 (type EXCL) for 7 BridgeAndVehicles-COL-V50P20N20-LTLFireability-07
lola: time limit : 719 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 10 (type EXCL) for BridgeAndVehicles-COL-V50P20N20-LTLFireability-07
lola: result : false
lola: markings : 11612
lola: fired transitions : 16771
lola: time used : 1.000000
lola: memory pages used : 1
lola: LAUNCH task # 5 (type EXCL) for 0 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04
lola: time limit : 1198 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-COL-V50P20N20-LTLFireability-07: CONJ false LTL model checker

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
5 LTL EXCL 3/1198 3/32 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 376772 m, 75354 m/sec, 1039580 t fired, .

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5 LTL EXCL 8/1198 6/32 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 848693 m, 94384 m/sec, 2366575 t fired, .

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5 LTL EXCL 13/1198 10/32 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 1337937 m, 97848 m/sec, 3751056 t fired, .

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5 LTL EXCL 18/1198 13/32 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 1816046 m, 95621 m/sec, 5104656 t fired, .

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5 LTL EXCL 23/1198 16/32 BridgeAndVehicles-COL-V50P20N20-LTLFireability-04 2276676 m, 92126 m/sec, 6644690 t fired, .

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FINAL RESULTS
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BridgeAndVehicles-COL-V50P20N20-LTLFireability-04: CONJ unknown CONJ
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Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V50P20N20"
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-V50P20N20, 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-167813692000076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P20N20.tgz
mv BridgeAndVehicles-COL-V50P20N20 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 ;