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.r041-tajo-167813694200092.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is BridgeAndVehicles-COL-V50P50N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694200092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.2K Feb 25 12:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 12:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 25 12:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 12:08 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 4.3K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 18K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 25 12:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 25 12:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 25 12:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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-V50P50N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678606157673

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P50N10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 07:29:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 07:29:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 07:29:19] [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.
[2023-03-12 07:29:20] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-12 07:29:20] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 609 ms
[2023-03-12 07:29:20] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 128 PT places and 114798.0 transition bindings in 65 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2023-03-12 07:29:20] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2023-03-12 07:29:20] [INFO ] Skeletonized 9 HLPN properties in 2 ms. Removed 7 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Remains 5 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Finished random walk after 128 steps, including 0 resets, run visited all 6 properties in 23 ms. (steps per millisecond=5 )
[2023-03-12 07:29:20] [INFO ] Flatten gal took : 19 ms
[2023-03-12 07:29:20] [INFO ] Flatten gal took : 17 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) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2023-03-12 07:29:21] [INFO ] Unfolded HLPN to a Petri net with 128 places and 1328 transitions 10010 arcs in 129 ms.
[2023-03-12 07:29:21] [INFO ] Unfolded 13 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 126 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 126 transition count 1328
Applied a total of 2 rules in 75 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:29:21] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-12 07:29:21] [INFO ] Computed 5 place invariants in 22 ms
[2023-03-12 07:29:22] [INFO ] Dead Transitions using invariants and state equation in 893 ms found 0 transitions.
[2023-03-12 07:29:22] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:29:22] [INFO ] Invariant cache hit.
[2023-03-12 07:29:22] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-12 07:29:22] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:29:22] [INFO ] Invariant cache hit.
[2023-03-12 07:29:22] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:29:22] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
[2023-03-12 07:29:22] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:29:22] [INFO ] Invariant cache hit.
[2023-03-12 07:29:23] [INFO ] Dead Transitions using invariants and state equation in 608 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 126/128 places, 1328/1328 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1878 ms. Remains : 126/128 places, 1328/1328 transitions.
Support contains 126 out of 126 places after structural reductions.
[2023-03-12 07:29:23] [INFO ] Flatten gal took : 206 ms
[2023-03-12 07:29:24] [INFO ] Flatten gal took : 167 ms
[2023-03-12 07:29:25] [INFO ] Input system was already deterministic with 1328 transitions.
Incomplete random walk after 10001 steps, including 22 resets, run finished after 717 ms. (steps per millisecond=13 ) properties (out of 15) seen :14
Finished Best-First random walk after 280 steps, including 0 resets, run visited all 1 properties in 27 ms. (steps per millisecond=10 )
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((X(p0)||(p1&&X(G(p2)))))))'
Support contains 117 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 20 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:29:26] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:29:26] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-12 07:29:27] [INFO ] Dead Transitions using invariants and state equation in 685 ms found 0 transitions.
[2023-03-12 07:29:27] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:27] [INFO ] Invariant cache hit.
[2023-03-12 07:29:27] [INFO ] Implicit Places using invariants in 92 ms returned []
[2023-03-12 07:29:27] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:27] [INFO ] Invariant cache hit.
[2023-03-12 07:29:27] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:29:27] [INFO ] Implicit Places using invariants and state equation in 435 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 536 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 8 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1251 ms. Remains : 123/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 341 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=p1, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p0) p2), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={} source=5 dest: 4}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (AND (GEQ s0 50) (GEQ s121 1)) (AND (GEQ s0 50) (GEQ s122 1))), p0:(AND (OR (LT s45 1) (LT s54 1) (LT s107 1) (LT s118 1)) (OR (LT s26 1) (LT s54 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, 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 25020 reset in 1466 ms.
Product exploration explored 100000 steps with 24961 reset in 1564 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 476 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 327 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 559 ms. (steps per millisecond=17 ) properties (out of 5) seen :4
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 534 ms. (steps per millisecond=18 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:29:33] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-12 07:29:33] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-12 07:29:34] [INFO ] [Real]Absence check using 5 positive place invariants in 14 ms returned sat
[2023-03-12 07:29:35] [INFO ] After 1767ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 07:29:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:29:37] [INFO ] After 1646ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 07:29:37] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:29:39] [INFO ] After 1645ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 07:29:41] [INFO ] After 3910ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2065 ms.
[2023-03-12 07:29:43] [INFO ] After 7749ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 15 ms.
Support contains 114 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 121 transition count 1326
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 7 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 119 transition count 1324
Applied a total of 7 rules in 339 ms. Remains 119 /123 variables (removed 4) and now considering 1324/1327 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 341 ms. Remains : 119/123 places, 1324/1327 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 356 ms. (steps per millisecond=28 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 349 ms. (steps per millisecond=28 ) properties (out of 1) seen :0
Finished probabilistic random walk after 694 steps, run visited all 1 properties in 41 ms. (steps per millisecond=16 )
Probabilistic random walk after 694 steps, saw 499 distinct states, run finished after 42 ms. (steps per millisecond=16 ) properties seen :1
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p2), (F (AND p2 (NOT p0))), (F p1), (F (AND (NOT p2) (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 8 factoid took 544 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 270 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Stuttering acceptance computed with spot in 279 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Support contains 117 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:29:45] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:45] [INFO ] Invariant cache hit.
[2023-03-12 07:29:53] [INFO ] Dead Transitions using invariants and state equation in 7515 ms found 0 transitions.
[2023-03-12 07:29:53] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:53] [INFO ] Invariant cache hit.
[2023-03-12 07:29:53] [INFO ] Implicit Places using invariants in 68 ms returned []
[2023-03-12 07:29:53] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:53] [INFO ] Invariant cache hit.
[2023-03-12 07:29:53] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:29:53] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2023-03-12 07:29:53] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:53] [INFO ] Invariant cache hit.
[2023-03-12 07:29:54] [INFO ] Dead Transitions using invariants and state equation in 637 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8463 ms. Remains : 123/123 places, 1327/1327 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p1)), true, (X (X p0)), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 366 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 478 ms. (steps per millisecond=20 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 320 ms. (steps per millisecond=31 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10000 steps, including 8 resets, run finished after 338 ms. (steps per millisecond=29 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:29:55] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:29:55] [INFO ] Invariant cache hit.
[2023-03-12 07:29:56] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-12 07:29:58] [INFO ] After 2006ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 07:29:58] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-12 07:30:00] [INFO ] After 1639ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 07:30:00] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:01] [INFO ] After 1576ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 07:30:03] [INFO ] After 3183ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1575 ms.
[2023-03-12 07:30:04] [INFO ] After 6520ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 114 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 121 transition count 1326
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 119 transition count 1324
Applied a total of 7 rules in 91 ms. Remains 119 /123 variables (removed 4) and now considering 1324/1327 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 119/123 places, 1324/1327 transitions.
Incomplete random walk after 10000 steps, including 31 resets, run finished after 168 ms. (steps per millisecond=59 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 322 ms. (steps per millisecond=31 ) properties (out of 1) seen :0
Finished probabilistic random walk after 694 steps, run visited all 1 properties in 11 ms. (steps per millisecond=63 )
Probabilistic random walk after 694 steps, saw 499 distinct states, run finished after 12 ms. (steps per millisecond=57 ) properties seen :1
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p1)), true, (X (X p0)), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p2), (F (AND p2 (NOT p0))), (F p1), (F (AND (NOT p2) (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 8 factoid took 588 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Stuttering acceptance computed with spot in 237 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Stuttering acceptance computed with spot in 244 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Product exploration explored 100000 steps with 25019 reset in 1304 ms.
Product exploration explored 100000 steps with 24993 reset in 1115 ms.
Applying partial POR strategy [false, false, true, true, true, true]
Stuttering acceptance computed with spot in 182 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Support contains 117 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 130 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:30:09] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:09] [INFO ] Invariant cache hit.
[2023-03-12 07:30:10] [INFO ] Dead Transitions using invariants and state equation in 482 ms found 0 transitions.
[2023-03-12 07:30:10] [INFO ] Redundant transitions in 89 ms returned []
[2023-03-12 07:30:10] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:10] [INFO ] Invariant cache hit.
[2023-03-12 07:30:10] [INFO ] Dead Transitions using invariants and state equation in 467 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1179 ms. Remains : 123/123 places, 1327/1327 transitions.
Support contains 117 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 6 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:30:10] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:10] [INFO ] Invariant cache hit.
[2023-03-12 07:30:11] [INFO ] Dead Transitions using invariants and state equation in 446 ms found 0 transitions.
[2023-03-12 07:30:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:11] [INFO ] Invariant cache hit.
[2023-03-12 07:30:11] [INFO ] Implicit Places using invariants in 60 ms returned []
[2023-03-12 07:30:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:11] [INFO ] Invariant cache hit.
[2023-03-12 07:30:11] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:11] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2023-03-12 07:30:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:11] [INFO ] Invariant cache hit.
[2023-03-12 07:30:12] [INFO ] Dead Transitions using invariants and state equation in 678 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1352 ms. Remains : 123/123 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 finished in 45792 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((G((G(p1)||p0)) U p2)))'
Support contains 67 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 106 ms. Remains 126 /126 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:30:12] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-12 07:30:12] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:30:12] [INFO ] Dead Transitions using invariants and state equation in 456 ms found 0 transitions.
[2023-03-12 07:30:12] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:12] [INFO ] Invariant cache hit.
[2023-03-12 07:30:13] [INFO ] Implicit Places using invariants in 83 ms returned []
[2023-03-12 07:30:13] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:13] [INFO ] Invariant cache hit.
[2023-03-12 07:30:13] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:13] [INFO ] Implicit Places using invariants and state equation in 263 ms returned [107]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 349 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 125/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 80 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 993 ms. Remains : 125/126 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 124 ms :[(NOT p2), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(OR p2 p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={} source=0 dest: 3}, { cond=(OR (AND (NOT p2) p0) (AND (NOT p2) p1)), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=4 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={0} source=4 dest: 3}, { cond=(OR (AND (NOT p2) p0) (AND (NOT p2) p1)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(GEQ s106 1), p0:(OR (AND (GEQ s0 1) (GEQ s51 1) (GEQ s53 1) (GEQ s108 1)) (AND (GEQ s0 1) (GEQ s27 1) (GEQ s53 1) (GEQ s108 1)) (AND (GEQ s0 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 6769 steps with 16 reset in 327 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-02 finished in 1475 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(F(p0))||G(p1)) U G(p2))))'
Support contains 66 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 20 ms. Remains 126 /126 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:30:13] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:13] [INFO ] Invariant cache hit.
[2023-03-12 07:30:14] [INFO ] Dead Transitions using invariants and state equation in 427 ms found 0 transitions.
[2023-03-12 07:30:14] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:14] [INFO ] Invariant cache hit.
[2023-03-12 07:30:14] [INFO ] Implicit Places using invariants in 126 ms returned []
[2023-03-12 07:30:14] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:14] [INFO ] Invariant cache hit.
[2023-03-12 07:30:14] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:14] [INFO ] Implicit Places using invariants and state equation in 394 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 525 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 11 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 986 ms. Remains : 124/126 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 213 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p2, acceptance={} source=1 dest: 1}, { cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 4}, { cond=(AND p2 (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=3 dest: 2}, { cond=(OR p2 p1), acceptance={} source=3 dest: 3}], [{ cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p2 (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(AND p2 p1), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=5 dest: 3}, { cond=(AND p2 p1), acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(OR (AND (GEQ s109 1) (GEQ s120 1)) (AND (GEQ s109 1) (GEQ s119 1)) (AND (GEQ s109 1) (GEQ s118 1)) (AND (GEQ s109 1) (GEQ s117 1)) (AND (GEQ s109 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 4989 reset in 975 ms.
Product exploration explored 100000 steps with 4843 reset in 927 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 107/124 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (OR p2 p1))), (X (X (NOT (OR p2 p1)))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND p2 (NOT p0) (NOT p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))))]
Knowledge based reduction with 5 factoid took 823 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 16 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 290 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p2) p1)]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10000 steps, including 10 resets, run finished after 306 ms. (steps per millisecond=32 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:30:18] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-12 07:30:18] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-12 07:30:18] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:30:18] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p2 p1)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (OR p2 p1))), (X (X (NOT (OR p2 p1)))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND p2 (NOT p0) (NOT p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (F (NOT (AND p2 (NOT p1)))), (F (AND (NOT p2) p1)), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (F p0), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (NOT (AND p2 (NOT p0) (NOT p1)))), (F (AND (NOT p2) (NOT p0) p1)), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 929 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 233 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Support contains 66 out of 124 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 124/124 places, 1328/1328 transitions.
Applied a total of 0 rules in 7 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:30:20] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:20] [INFO ] Invariant cache hit.
[2023-03-12 07:30:20] [INFO ] Dead Transitions using invariants and state equation in 426 ms found 0 transitions.
[2023-03-12 07:30:20] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:20] [INFO ] Invariant cache hit.
[2023-03-12 07:30:20] [INFO ] Implicit Places using invariants in 103 ms returned []
[2023-03-12 07:30:20] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:20] [INFO ] Invariant cache hit.
[2023-03-12 07:30:21] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:21] [INFO ] Implicit Places using invariants and state equation in 321 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
[2023-03-12 07:30:21] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:21] [INFO ] Invariant cache hit.
[2023-03-12 07:30:21] [INFO ] Dead Transitions using invariants and state equation in 425 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1290 ms. Remains : 124/124 places, 1328/1328 transitions.
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 107/124 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X (NOT (OR p1 p2)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 4 factoid took 541 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 234 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Finished random walk after 889 steps, including 2 resets, run visited all 9 properties in 42 ms. (steps per millisecond=21 )
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X (NOT (OR p1 p2)))), (X (X p1)), (X (X (NOT p1))), (F p0), (F p1), (F (NOT (OR p2 p1))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (AND (NOT p0) p1)), (F (NOT (AND p2 (NOT p0))))]
Knowledge based reduction with 4 factoid took 645 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 235 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 224 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 4925 reset in 816 ms.
Product exploration explored 100000 steps with 4903 reset in 853 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 293 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Support contains 66 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 1328/1328 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 2 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 124 transition count 1328
Deduced a syphon composed of 1 places in 1 ms
Applied a total of 1 rules in 84 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:30:26] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-12 07:30:26] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-12 07:30:26] [INFO ] Dead Transitions using invariants and state equation in 466 ms found 0 transitions.
[2023-03-12 07:30:26] [INFO ] Redundant transitions in 51 ms returned []
[2023-03-12 07:30:26] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:26] [INFO ] Invariant cache hit.
[2023-03-12 07:30:27] [INFO ] Dead Transitions using invariants and state equation in 466 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/124 places, 1328/1328 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1082 ms. Remains : 124/124 places, 1328/1328 transitions.
Support contains 66 out of 124 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 124/124 places, 1328/1328 transitions.
Applied a total of 0 rules in 5 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:30:27] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-12 07:30:27] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:30:27] [INFO ] Dead Transitions using invariants and state equation in 450 ms found 0 transitions.
[2023-03-12 07:30:27] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:27] [INFO ] Invariant cache hit.
[2023-03-12 07:30:27] [INFO ] Implicit Places using invariants in 167 ms returned []
[2023-03-12 07:30:27] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:27] [INFO ] Invariant cache hit.
[2023-03-12 07:30:27] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:28] [INFO ] Implicit Places using invariants and state equation in 368 ms returned []
Implicit Place search using SMT with State Equation took 538 ms to find 0 implicit places.
[2023-03-12 07:30:28] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:30:28] [INFO ] Invariant cache hit.
[2023-03-12 07:30:28] [INFO ] Dead Transitions using invariants and state equation in 501 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1499 ms. Remains : 124/124 places, 1328/1328 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-03 finished in 14983 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 53 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 94 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:30:28] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:30:28] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-12 07:30:29] [INFO ] Dead Transitions using invariants and state equation in 486 ms found 0 transitions.
[2023-03-12 07:30:29] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:29] [INFO ] Invariant cache hit.
[2023-03-12 07:30:29] [INFO ] Implicit Places using invariants in 212 ms returned []
[2023-03-12 07:30:29] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:29] [INFO ] Invariant cache hit.
[2023-03-12 07:30:29] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:30] [INFO ] Implicit Places using invariants and state equation in 724 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 942 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 104 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1631 ms. Remains : 124/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s51 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s27 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s3 1) (GEQ s53 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 5268 reset in 804 ms.
Product exploration explored 100000 steps with 5469 reset in 755 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 : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 135 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Finished random walk after 88 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=44 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 112 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 23 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0)]
[2023-03-12 07:30:32] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-12 07:30:32] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:30:33] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:30:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:33] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2023-03-12 07:30:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:30:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:30:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:34] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2023-03-12 07:30:34] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:36] [INFO ] [Nat]Added 22 Read/Feed constraints in 2317 ms returned sat
[2023-03-12 07:30:37] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 91 ms.
[2023-03-12 07:30:37] [INFO ] Added : 16 causal constraints over 4 iterations in 248 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 53 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 1327/1327 transitions.
Applied a total of 0 rules in 97 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:30:37] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:37] [INFO ] Invariant cache hit.
[2023-03-12 07:30:37] [INFO ] Dead Transitions using invariants and state equation in 493 ms found 0 transitions.
[2023-03-12 07:30:37] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:37] [INFO ] Invariant cache hit.
[2023-03-12 07:30:37] [INFO ] Implicit Places using invariants in 165 ms returned []
[2023-03-12 07:30:37] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:37] [INFO ] Invariant cache hit.
[2023-03-12 07:30:38] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:38] [INFO ] Implicit Places using invariants and state equation in 542 ms returned []
Implicit Place search using SMT with State Equation took 709 ms to find 0 implicit places.
[2023-03-12 07:30:38] [INFO ] Redundant transitions in 21 ms returned []
[2023-03-12 07:30:38] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:38] [INFO ] Invariant cache hit.
[2023-03-12 07:30:38] [INFO ] Dead Transitions using invariants and state equation in 434 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1766 ms. Remains : 124/124 places, 1327/1327 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 : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 90 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 27 ms :[(NOT p0)]
Finished random walk after 73 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=36 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 144 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 27 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
[2023-03-12 07:30:39] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:39] [INFO ] Invariant cache hit.
[2023-03-12 07:30:40] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:30:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:40] [INFO ] [Real]Absence check using state equation in 118 ms returned sat
[2023-03-12 07:30:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:30:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:30:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:41] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2023-03-12 07:30:41] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:41] [INFO ] [Nat]Added 22 Read/Feed constraints in 461 ms returned sat
[2023-03-12 07:30:41] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 62 ms.
[2023-03-12 07:30:42] [INFO ] Added : 56 causal constraints over 15 iterations in 724 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5486 reset in 693 ms.
Product exploration explored 100000 steps with 5533 reset in 684 ms.
Support contains 53 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 1327/1327 transitions.
Applied a total of 0 rules in 92 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:30:43] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:43] [INFO ] Invariant cache hit.
[2023-03-12 07:30:44] [INFO ] Dead Transitions using invariants and state equation in 506 ms found 0 transitions.
[2023-03-12 07:30:44] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:44] [INFO ] Invariant cache hit.
[2023-03-12 07:30:44] [INFO ] Implicit Places using invariants in 160 ms returned []
[2023-03-12 07:30:44] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:44] [INFO ] Invariant cache hit.
[2023-03-12 07:30:44] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:45] [INFO ] Implicit Places using invariants and state equation in 392 ms returned []
Implicit Place search using SMT with State Equation took 580 ms to find 0 implicit places.
[2023-03-12 07:30:45] [INFO ] Redundant transitions in 29 ms returned []
[2023-03-12 07:30:45] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:45] [INFO ] Invariant cache hit.
[2023-03-12 07:30:45] [INFO ] Dead Transitions using invariants and state equation in 471 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1687 ms. Remains : 124/124 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-06 finished in 16903 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 64 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 121 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:30:45] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:30:45] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-12 07:30:46] [INFO ] Dead Transitions using invariants and state equation in 508 ms found 0 transitions.
[2023-03-12 07:30:46] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:46] [INFO ] Invariant cache hit.
[2023-03-12 07:30:46] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-12 07:30:46] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:46] [INFO ] Invariant cache hit.
[2023-03-12 07:30:46] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:46] [INFO ] Implicit Places using invariants and state equation in 429 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 580 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 94 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1306 ms. Remains : 123/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s53 1) (OR (AND (GEQ s1 1) (GEQ s72 1) (GEQ s106 1) (GEQ s112 1)) (AND (GEQ s1 1) (GEQ s91 1) (GEQ s106 1) (GEQ s115 1)) (AND (GEQ s1 1) (GEQ...], 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]]
Stuttering criterion allowed to conclude after 371 steps with 0 reset in 6 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-08 finished in 1393 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((p1&&F(G(p1))))||p0)))'
Support contains 63 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1326
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 121 transition count 1324
Applied a total of 9 rules in 118 ms. Remains 121 /126 variables (removed 5) and now considering 1324/1328 (removed 4) transitions.
[2023-03-12 07:30:47] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
// Phase 1: matrix 246 rows 121 cols
[2023-03-12 07:30:47] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-12 07:30:47] [INFO ] Implicit Places using invariants in 155 ms returned []
[2023-03-12 07:30:47] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-12 07:30:47] [INFO ] Invariant cache hit.
[2023-03-12 07:30:47] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:47] [INFO ] Implicit Places using invariants and state equation in 452 ms returned [52, 104]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 623 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/126 places, 1324/1328 transitions.
Applied a total of 0 rules in 138 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 893 ms. Remains : 119/126 places, 1324/1328 transitions.
Stuttering acceptance computed with spot in 48 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s70 1) (GEQ s104 1) (GEQ s110 1)) (AND (GEQ s0 1) (GEQ s89 1) (GEQ s104 1) (GEQ s113 1)) (AND (GEQ s0 1) (GEQ s101 1) (GEQ s10...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 320 steps with 1 reset in 46 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-09 finished in 1025 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 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 96 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:30:48] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:30:48] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:30:48] [INFO ] Dead Transitions using invariants and state equation in 511 ms found 0 transitions.
[2023-03-12 07:30:48] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:48] [INFO ] Invariant cache hit.
[2023-03-12 07:30:49] [INFO ] Implicit Places using invariants in 240 ms returned []
[2023-03-12 07:30:49] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:49] [INFO ] Invariant cache hit.
[2023-03-12 07:30:49] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:49] [INFO ] Implicit Places using invariants and state equation in 562 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 806 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 66 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1495 ms. Remains : 123/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s53 1)], 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 371 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-10 finished in 1563 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(!p1))))))'
Support contains 64 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 13 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:30:49] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:30:49] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-12 07:30:50] [INFO ] Dead Transitions using invariants and state equation in 403 ms found 0 transitions.
[2023-03-12 07:30:50] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:50] [INFO ] Invariant cache hit.
[2023-03-12 07:30:50] [INFO ] Implicit Places using invariants in 106 ms returned []
[2023-03-12 07:30:50] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:50] [INFO ] Invariant cache hit.
[2023-03-12 07:30:50] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:51] [INFO ] Implicit Places using invariants and state equation in 696 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 818 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1253 ms. Remains : 123/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 85 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p1:(OR (AND (GEQ s108 1) (GEQ s119 1)) (AND (GEQ s108 1) (GEQ s118 1)) (AND (GEQ s108 1) (GEQ s117 1)) (AND (GEQ s108 1) (GEQ s116 1)) (AND (GEQ s108 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 604 reset in 604 ms.
Product exploration explored 100000 steps with 601 reset in 594 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 2 factoid took 164 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 6 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND p1 (NOT p0))))]
Knowledge based reduction with 2 factoid took 171 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 100 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
[2023-03-12 07:30:52] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-12 07:30:53] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:30:53] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-12 07:30:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:54] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2023-03-12 07:30:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:30:55] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:30:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:30:56] [INFO ] [Nat]Absence check using state equation in 1176 ms returned sat
[2023-03-12 07:30:56] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:56] [INFO ] [Nat]Added 22 Read/Feed constraints in 397 ms returned sat
[2023-03-12 07:30:56] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 61 ms.
[2023-03-12 07:30:57] [INFO ] Added : 49 causal constraints over 10 iterations in 677 ms. Result :sat
Could not prove EG (AND p1 (NOT p0))
Support contains 64 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 8 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:30:57] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:57] [INFO ] Invariant cache hit.
[2023-03-12 07:30:57] [INFO ] Dead Transitions using invariants and state equation in 475 ms found 0 transitions.
[2023-03-12 07:30:57] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:57] [INFO ] Invariant cache hit.
[2023-03-12 07:30:58] [INFO ] Implicit Places using invariants in 144 ms returned []
[2023-03-12 07:30:58] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:58] [INFO ] Invariant cache hit.
[2023-03-12 07:30:58] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:30:58] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 507 ms to find 0 implicit places.
[2023-03-12 07:30:58] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:58] [INFO ] Invariant cache hit.
[2023-03-12 07:30:58] [INFO ] Dead Transitions using invariants and state equation in 539 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1547 ms. Remains : 123/123 places, 1327/1327 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 2 factoid took 178 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 124 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND p1 (NOT p0))))]
Knowledge based reduction with 2 factoid took 297 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 91 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
[2023-03-12 07:30:59] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:30:59] [INFO ] Invariant cache hit.
[2023-03-12 07:31:00] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:31:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:00] [INFO ] [Real]Absence check using state equation in 193 ms returned sat
[2023-03-12 07:31:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:31:01] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:31:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:01] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2023-03-12 07:31:01] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:02] [INFO ] [Nat]Added 22 Read/Feed constraints in 304 ms returned sat
[2023-03-12 07:31:02] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 39 ms.
[2023-03-12 07:31:02] [INFO ] Added : 52 causal constraints over 11 iterations in 411 ms. Result :sat
Could not prove EG (AND p1 (NOT p0))
Stuttering acceptance computed with spot in 153 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Product exploration explored 100000 steps with 604 reset in 674 ms.
Product exploration explored 100000 steps with 604 reset in 761 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 142 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Support contains 64 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 123 transition count 1327
Deduced a syphon composed of 1 places in 1 ms
Applied a total of 1 rules in 134 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:31:04] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-12 07:31:04] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-12 07:31:04] [INFO ] Dead Transitions using invariants and state equation in 543 ms found 0 transitions.
[2023-03-12 07:31:04] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-12 07:31:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:05] [INFO ] Invariant cache hit.
[2023-03-12 07:31:05] [INFO ] Dead Transitions using invariants and state equation in 650 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/123 places, 1327/1327 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1380 ms. Remains : 123/123 places, 1327/1327 transitions.
Support contains 64 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:31:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-12 07:31:05] [INFO ] Computed 5 place invariants in 9 ms
[2023-03-12 07:31:06] [INFO ] Dead Transitions using invariants and state equation in 422 ms found 0 transitions.
[2023-03-12 07:31:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:06] [INFO ] Invariant cache hit.
[2023-03-12 07:31:06] [INFO ] Implicit Places using invariants in 119 ms returned []
[2023-03-12 07:31:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:06] [INFO ] Invariant cache hit.
[2023-03-12 07:31:06] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:06] [INFO ] Implicit Places using invariants and state equation in 352 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
[2023-03-12 07:31:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:06] [INFO ] Invariant cache hit.
[2023-03-12 07:31:07] [INFO ] Dead Transitions using invariants and state equation in 460 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1367 ms. Remains : 123/123 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 finished in 17394 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(F(p1))||p0))&&F(G(p2))))'
Support contains 66 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 116 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:31:07] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:31:07] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-12 07:31:08] [INFO ] Dead Transitions using invariants and state equation in 725 ms found 0 transitions.
[2023-03-12 07:31:08] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:08] [INFO ] Invariant cache hit.
[2023-03-12 07:31:08] [INFO ] Implicit Places using invariants in 130 ms returned []
[2023-03-12 07:31:08] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:08] [INFO ] Invariant cache hit.
[2023-03-12 07:31:08] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:08] [INFO ] Implicit Places using invariants and state equation in 603 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 736 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 71 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1651 ms. Remains : 124/126 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=p2, acceptance={} source=2 dest: 2}, { cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (AND (GEQ s0 1) (GEQ s51 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s27 1) (GEQ s53 1) (GEQ s107 1)) (AND (GEQ s0 1) (GEQ s3 1) (GEQ s53 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 435 steps with 2 reset in 5 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-13 finished in 1885 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F(!p0))&&G(p1))))'
Support contains 54 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 9 ms. Remains 126 /126 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:31:09] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-12 07:31:09] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-12 07:31:09] [INFO ] Dead Transitions using invariants and state equation in 476 ms found 0 transitions.
[2023-03-12 07:31:09] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:09] [INFO ] Invariant cache hit.
[2023-03-12 07:31:09] [INFO ] Implicit Places using invariants in 167 ms returned []
[2023-03-12 07:31:09] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:09] [INFO ] Invariant cache hit.
[2023-03-12 07:31:09] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:10] [INFO ] Implicit Places using invariants and state equation in 510 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 680 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 125/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 5 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1172 ms. Remains : 125/126 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=p1, acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(OR (AND (GEQ s0 1) (GEQ s73 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s97 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s90 1) (GEQ s106...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 1319 reset in 1258 ms.
Product exploration explored 100000 steps with 1334 reset in 1148 ms.
Computed a total of 108 stabilizing places and 204 stable transitions
Computed a total of 108 stabilizing places and 204 stable transitions
Detected a total of 108/125 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 276 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Finished random walk after 86 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=28 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 6 factoid took 320 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
[2023-03-12 07:31:13] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 125 cols
[2023-03-12 07:31:13] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-12 07:31:14] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:31:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:15] [INFO ] [Real]Absence check using state equation in 180 ms returned sat
[2023-03-12 07:31:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:31:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-12 07:31:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:16] [INFO ] [Nat]Absence check using state equation in 171 ms returned sat
[2023-03-12 07:31:16] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:17] [INFO ] [Nat]Added 22 Read/Feed constraints in 1248 ms returned sat
[2023-03-12 07:31:17] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 57 ms.
[2023-03-12 07:31:17] [INFO ] Added : 34 causal constraints over 7 iterations in 255 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 6 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:31:17] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:17] [INFO ] Invariant cache hit.
[2023-03-12 07:31:18] [INFO ] Dead Transitions using invariants and state equation in 519 ms found 0 transitions.
[2023-03-12 07:31:18] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:18] [INFO ] Invariant cache hit.
[2023-03-12 07:31:18] [INFO ] Implicit Places using invariants in 180 ms returned []
[2023-03-12 07:31:18] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:18] [INFO ] Invariant cache hit.
[2023-03-12 07:31:18] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:19] [INFO ] Implicit Places using invariants and state equation in 441 ms returned []
Implicit Place search using SMT with State Equation took 623 ms to find 0 implicit places.
[2023-03-12 07:31:19] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:19] [INFO ] Invariant cache hit.
[2023-03-12 07:31:19] [INFO ] Dead Transitions using invariants and state equation in 483 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1634 ms. Remains : 125/125 places, 1328/1328 transitions.
Computed a total of 108 stabilizing places and 204 stable transitions
Computed a total of 108 stabilizing places and 204 stable transitions
Detected a total of 108/125 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 180 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Finished random walk after 104 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=20 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 6 factoid took 261 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
[2023-03-12 07:31:20] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:20] [INFO ] Invariant cache hit.
[2023-03-12 07:31:21] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:31:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:21] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2023-03-12 07:31:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:31:22] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-12 07:31:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:22] [INFO ] [Nat]Absence check using state equation in 155 ms returned sat
[2023-03-12 07:31:22] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:25] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-12 07:31:25] [INFO ] [Nat]Added 22 Read/Feed constraints in 3235 ms returned sat
[2023-03-12 07:31:25] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 41 ms.
[2023-03-12 07:31:25] [INFO ] Added : 36 causal constraints over 8 iterations in 241 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 136 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Product exploration explored 100000 steps with 1331 reset in 1556 ms.
Product exploration explored 100000 steps with 1364 reset in 1245 ms.
Applying partial POR strategy [false, true, false]
Stuttering acceptance computed with spot in 185 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 105 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:31:29] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:29] [INFO ] Invariant cache hit.
[2023-03-12 07:31:29] [INFO ] Dead Transitions using invariants and state equation in 462 ms found 0 transitions.
[2023-03-12 07:31:29] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-12 07:31:29] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:29] [INFO ] Invariant cache hit.
[2023-03-12 07:31:30] [INFO ] Dead Transitions using invariants and state equation in 410 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1012 ms. Remains : 125/125 places, 1328/1328 transitions.
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 8 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:31:30] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:30] [INFO ] Invariant cache hit.
[2023-03-12 07:31:30] [INFO ] Dead Transitions using invariants and state equation in 436 ms found 0 transitions.
[2023-03-12 07:31:30] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:30] [INFO ] Invariant cache hit.
[2023-03-12 07:31:30] [INFO ] Implicit Places using invariants in 218 ms returned []
[2023-03-12 07:31:30] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:30] [INFO ] Invariant cache hit.
[2023-03-12 07:31:30] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:31] [INFO ] Implicit Places using invariants and state equation in 418 ms returned []
Implicit Place search using SMT with State Equation took 641 ms to find 0 implicit places.
[2023-03-12 07:31:31] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:31] [INFO ] Invariant cache hit.
[2023-03-12 07:31:31] [INFO ] Dead Transitions using invariants and state equation in 447 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1533 ms. Remains : 125/125 places, 1328/1328 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 finished in 22764 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)&&((!p1&&G(p2)) U p1))))'
Support contains 115 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:31:31] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-12 07:31:31] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:31:32] [INFO ] Dead Transitions using invariants and state equation in 439 ms found 0 transitions.
[2023-03-12 07:31:32] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:32] [INFO ] Invariant cache hit.
[2023-03-12 07:31:32] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-12 07:31:32] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:31:32] [INFO ] Invariant cache hit.
[2023-03-12 07:31:32] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:32] [INFO ] Implicit Places using invariants and state equation in 367 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 439 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 887 ms. Remains : 124/126 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 261 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p2), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(OR (AND (NOT p0) p1) (AND (NOT p0) p2)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 2}, { cond=p2, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=5 dest: 2}, { cond=(AND (NOT p1) p2), acceptance={0} source=5 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(GEQ s105 1), p2:(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 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]]
Entered a terminal (fully accepting) state of product in 161 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-15 finished in 1188 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0)||(p1&&X(G(p2)))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-00
Stuttering acceptance computed with spot in 220 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Support contains 117 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 26 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:31:33] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:31:33] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:31:33] [INFO ] Dead Transitions using invariants and state equation in 429 ms found 0 transitions.
[2023-03-12 07:31:33] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:33] [INFO ] Invariant cache hit.
[2023-03-12 07:31:33] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-12 07:31:33] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:33] [INFO ] Invariant cache hit.
[2023-03-12 07:31:33] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:34] [INFO ] Implicit Places using invariants and state equation in 357 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 425 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 10 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 892 ms. Remains : 123/126 places, 1327/1328 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=p1, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p0) p2), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={} source=5 dest: 4}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (AND (GEQ s0 50) (GEQ s121 1)) (AND (GEQ s0 50) (GEQ s122 1))), p0:(AND (OR (LT s45 1) (LT s54 1) (LT s107 1) (LT s118 1)) (OR (LT s26 1) (LT s54 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 94784 steps with 23768 reset in 896 ms.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 finished in 2105 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 FALSE TECHNIQUES LENGTHENING_INSENSITIVE
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(F(p0))||G(p1)) U G(p2))))'
Found a Lengthening insensitive property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-03
Stuttering acceptance computed with spot in 312 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p2) p1)]
Support contains 66 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1327
Applied a total of 2 rules in 23 ms. Remains 125 /126 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-12 07:31:35] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2023-03-12 07:31:35] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-12 07:31:35] [INFO ] Dead Transitions using invariants and state equation in 386 ms found 0 transitions.
[2023-03-12 07:31:35] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:35] [INFO ] Invariant cache hit.
[2023-03-12 07:31:36] [INFO ] Implicit Places using invariants in 122 ms returned []
[2023-03-12 07:31:36] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:36] [INFO ] Invariant cache hit.
[2023-03-12 07:31:36] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:36] [INFO ] Implicit Places using invariants and state equation in 434 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 559 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 123/126 places, 1327/1328 transitions.
Applied a total of 0 rules in 12 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 981 ms. Remains : 123/126 places, 1327/1328 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p2, acceptance={} source=1 dest: 1}, { cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 4}, { cond=(AND p2 (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=3 dest: 2}, { cond=(OR p2 p1), acceptance={} source=3 dest: 3}], [{ cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p2 (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(AND p2 p1), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=5 dest: 3}, { cond=(AND p2 p1), acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(OR (AND (GEQ s108 1) (GEQ s119 1)) (AND (GEQ s108 1) (GEQ s118 1)) (AND (GEQ s108 1) (GEQ s117 1)) (AND (GEQ s108 1) (GEQ s116 1)) (AND (GEQ s108 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 5465 reset in 937 ms.
Product exploration explored 100000 steps with 5578 reset in 918 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (OR p2 p1))), (X (X (NOT (OR p2 p1)))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND p2 (NOT p0) (NOT p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))))]
Knowledge based reduction with 5 factoid took 987 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 16 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 276 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p2) p1)]
Incomplete random walk after 10000 steps, including 26 resets, run finished after 188 ms. (steps per millisecond=53 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 365 ms. (steps per millisecond=27 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:31:40] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-12 07:31:40] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:31:40] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-12 07:31:40] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p2 p1)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (OR p2 p1))), (X (X (NOT (OR p2 p1)))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (AND p2 (NOT p0) (NOT p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (F (NOT (AND p2 (NOT p1)))), (F (AND (NOT p2) p1)), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (F p0), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (NOT (AND p2 (NOT p0) (NOT p1)))), (F (AND (NOT p2) (NOT p0) p1)), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 963 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 346 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 332 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Support contains 66 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 9 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:31:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:42] [INFO ] Invariant cache hit.
[2023-03-12 07:31:42] [INFO ] Dead Transitions using invariants and state equation in 463 ms found 0 transitions.
[2023-03-12 07:31:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:42] [INFO ] Invariant cache hit.
[2023-03-12 07:31:42] [INFO ] Implicit Places using invariants in 118 ms returned []
[2023-03-12 07:31:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:42] [INFO ] Invariant cache hit.
[2023-03-12 07:31:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:43] [INFO ] Implicit Places using invariants and state equation in 481 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
[2023-03-12 07:31:43] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:43] [INFO ] Invariant cache hit.
[2023-03-12 07:31:43] [INFO ] Dead Transitions using invariants and state equation in 415 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1495 ms. Remains : 123/123 places, 1327/1327 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 106/123 stabilizing places and 203/1327 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X (NOT (OR p1 p2)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 4 factoid took 852 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 337 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Finished random walk after 66 steps, including 0 resets, run visited all 9 properties in 3 ms. (steps per millisecond=22 )
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X (NOT (OR p1 p2)))), (X (X p1)), (X (X (NOT p1))), (F p0), (F p1), (F (NOT (OR p2 p1))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (AND (NOT p0) p1)), (F (NOT (AND p2 (NOT p0))))]
Knowledge based reduction with 4 factoid took 944 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 6 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 347 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 399 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 5813 reset in 1167 ms.
Product exploration explored 100000 steps with 5610 reset in 951 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 337 ms :[(OR (NOT p2) (AND (NOT p0) p1)), (OR (NOT p2) (AND (NOT p0) p1)), (NOT p0), (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND (NOT p0) p2), (AND (NOT p0) p1)]
Support contains 66 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 104 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:31:49] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:49] [INFO ] Invariant cache hit.
[2023-03-12 07:31:50] [INFO ] Dead Transitions using invariants and state equation in 515 ms found 0 transitions.
[2023-03-12 07:31:50] [INFO ] Redundant transitions in 18 ms returned []
[2023-03-12 07:31:50] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:50] [INFO ] Invariant cache hit.
[2023-03-12 07:31:50] [INFO ] Dead Transitions using invariants and state equation in 482 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1133 ms. Remains : 123/123 places, 1327/1327 transitions.
Support contains 66 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 4 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-12 07:31:50] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:50] [INFO ] Invariant cache hit.
[2023-03-12 07:31:51] [INFO ] Dead Transitions using invariants and state equation in 480 ms found 0 transitions.
[2023-03-12 07:31:51] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:51] [INFO ] Invariant cache hit.
[2023-03-12 07:31:51] [INFO ] Implicit Places using invariants in 146 ms returned []
[2023-03-12 07:31:51] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:51] [INFO ] Invariant cache hit.
[2023-03-12 07:31:51] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:51] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
[2023-03-12 07:31:51] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-12 07:31:51] [INFO ] Invariant cache hit.
[2023-03-12 07:31:52] [INFO ] Dead Transitions using invariants and state equation in 462 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1449 ms. Remains : 123/123 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-03 finished in 17274 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))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(!p1))))))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
Stuttering acceptance computed with spot in 171 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Support contains 64 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1327
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1326
Applied a total of 5 rules in 39 ms. Remains 123 /126 variables (removed 3) and now considering 1326/1328 (removed 2) transitions.
[2023-03-12 07:31:52] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
// Phase 1: matrix 248 rows 123 cols
[2023-03-12 07:31:52] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-12 07:31:53] [INFO ] Implicit Places using invariants in 175 ms returned []
[2023-03-12 07:31:53] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:31:53] [INFO ] Invariant cache hit.
[2023-03-12 07:31:53] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:31:53] [INFO ] Implicit Places using invariants and state equation in 486 ms returned [52, 104]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 665 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 121/126 places, 1326/1328 transitions.
Applied a total of 0 rules in 11 ms. Remains 121 /121 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 716 ms. Remains : 121/126 places, 1326/1328 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p1:(OR (AND (GEQ s106 1) (GEQ s117 1)) (AND (GEQ s106 1) (GEQ s116 1)) (AND (GEQ s106 1) (GEQ s115 1)) (AND (GEQ s106 1) (GEQ s114 1)) (AND (GEQ s106 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 678 reset in 646 ms.
Product exploration explored 100000 steps with 682 reset in 524 ms.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Detected a total of 104/121 stabilizing places and 202/1326 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 2 factoid took 226 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 4 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND p1 (NOT p0))))]
Knowledge based reduction with 2 factoid took 250 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 157 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
[2023-03-12 07:31:55] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
// Phase 1: matrix 248 rows 121 cols
[2023-03-12 07:31:55] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-12 07:31:56] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-12 07:31:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:56] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2023-03-12 07:31:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:31:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-12 07:31:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:31:58] [INFO ] [Nat]Absence check using state equation in 203 ms returned sat
[2023-03-12 07:31:58] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:01] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-12 07:32:04] [INFO ] [Nat]Added 22 Read/Feed constraints in 6012 ms returned unknown
Could not prove EG (AND p1 (NOT p0))
Support contains 64 out of 121 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 1326/1326 transitions.
Applied a total of 0 rules in 10 ms. Remains 121 /121 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
[2023-03-12 07:32:04] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:04] [INFO ] Invariant cache hit.
[2023-03-12 07:32:04] [INFO ] Implicit Places using invariants in 174 ms returned []
[2023-03-12 07:32:04] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:04] [INFO ] Invariant cache hit.
[2023-03-12 07:32:04] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:04] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 589 ms to find 0 implicit places.
[2023-03-12 07:32:04] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:04] [INFO ] Invariant cache hit.
[2023-03-12 07:32:05] [INFO ] Dead Transitions using invariants and state equation in 425 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1027 ms. Remains : 121/121 places, 1326/1326 transitions.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Detected a total of 104/121 stabilizing places and 202/1326 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 2 factoid took 161 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Finished random walk after 3 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=3 )
Knowledge obtained : [(AND p1 (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (AND (NOT p1) (NOT p0))), (F (NOT (AND p1 (NOT p0))))]
Knowledge based reduction with 2 factoid took 193 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 136 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
[2023-03-12 07:32:05] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:06] [INFO ] Invariant cache hit.
[2023-03-12 07:32:06] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-12 07:32:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:06] [INFO ] [Real]Absence check using state equation in 191 ms returned sat
[2023-03-12 07:32:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:32:07] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-12 07:32:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:07] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2023-03-12 07:32:07] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:08] [INFO ] [Nat]Added 22 Read/Feed constraints in 85 ms returned sat
[2023-03-12 07:32:08] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 135 transitions) in 57 ms.
[2023-03-12 07:32:08] [INFO ] Added : 12 causal constraints over 4 iterations in 199 ms. Result :sat
Could not prove EG (AND p1 (NOT p0))
Stuttering acceptance computed with spot in 154 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Product exploration explored 100000 steps with 684 reset in 717 ms.
Product exploration explored 100000 steps with 680 reset in 596 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 155 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Support contains 64 out of 121 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 121/121 places, 1326/1326 transitions.
Applied a total of 0 rules in 107 ms. Remains 121 /121 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
[2023-03-12 07:32:10] [INFO ] Redundant transitions in 23 ms returned []
[2023-03-12 07:32:10] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:10] [INFO ] Invariant cache hit.
[2023-03-12 07:32:10] [INFO ] Dead Transitions using invariants and state equation in 460 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 609 ms. Remains : 121/121 places, 1326/1326 transitions.
Support contains 64 out of 121 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 1326/1326 transitions.
Applied a total of 0 rules in 10 ms. Remains 121 /121 variables (removed 0) and now considering 1326/1326 (removed 0) transitions.
[2023-03-12 07:32:10] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:10] [INFO ] Invariant cache hit.
[2023-03-12 07:32:10] [INFO ] Implicit Places using invariants in 143 ms returned []
[2023-03-12 07:32:10] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:10] [INFO ] Invariant cache hit.
[2023-03-12 07:32:10] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:11] [INFO ] Implicit Places using invariants and state equation in 399 ms returned []
Implicit Place search using SMT with State Equation took 544 ms to find 0 implicit places.
[2023-03-12 07:32:11] [INFO ] Flow matrix only has 248 transitions (discarded 1078 similar events)
[2023-03-12 07:32:11] [INFO ] Invariant cache hit.
[2023-03-12 07:32:11] [INFO ] Dead Transitions using invariants and state equation in 452 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1007 ms. Remains : 121/121 places, 1326/1326 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 finished in 19328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F(!p0))&&G(p1))))'
Found a Shortening insensitive property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-14
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Support contains 54 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 19 ms. Remains 126 /126 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:32:12] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-12 07:32:12] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:32:12] [INFO ] Dead Transitions using invariants and state equation in 527 ms found 0 transitions.
[2023-03-12 07:32:12] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:12] [INFO ] Invariant cache hit.
[2023-03-12 07:32:12] [INFO ] Implicit Places using invariants in 214 ms returned []
[2023-03-12 07:32:12] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:12] [INFO ] Invariant cache hit.
[2023-03-12 07:32:13] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:13] [INFO ] Implicit Places using invariants and state equation in 699 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 926 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 125/126 places, 1328/1328 transitions.
Applied a total of 0 rules in 22 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1498 ms. Remains : 125/126 places, 1328/1328 transitions.
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=p1, acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(OR (AND (GEQ s0 1) (GEQ s73 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s97 1) (GEQ s106 1) (GEQ s109 1)) (AND (GEQ s0 1) (GEQ s90 1) (GEQ s106...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 1333 reset in 1366 ms.
Product exploration explored 100000 steps with 1311 reset in 1211 ms.
Computed a total of 108 stabilizing places and 204 stable transitions
Computed a total of 108 stabilizing places and 204 stable transitions
Detected a total of 108/125 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 313 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Finished random walk after 10 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=10 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 6 factoid took 356 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
[2023-03-12 07:32:17] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 125 cols
[2023-03-12 07:32:17] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 07:32:18] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-12 07:32:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:18] [INFO ] [Real]Absence check using state equation in 186 ms returned sat
[2023-03-12 07:32:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:32:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:32:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:19] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2023-03-12 07:32:19] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:21] [INFO ] [Nat]Added 22 Read/Feed constraints in 1443 ms returned sat
[2023-03-12 07:32:21] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 49 ms.
[2023-03-12 07:32:21] [INFO ] Added : 34 causal constraints over 7 iterations in 263 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 5 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:32:21] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:21] [INFO ] Invariant cache hit.
[2023-03-12 07:32:21] [INFO ] Dead Transitions using invariants and state equation in 402 ms found 0 transitions.
[2023-03-12 07:32:21] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:21] [INFO ] Invariant cache hit.
[2023-03-12 07:32:22] [INFO ] Implicit Places using invariants in 201 ms returned []
[2023-03-12 07:32:22] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:22] [INFO ] Invariant cache hit.
[2023-03-12 07:32:22] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:22] [INFO ] Implicit Places using invariants and state equation in 379 ms returned []
Implicit Place search using SMT with State Equation took 581 ms to find 0 implicit places.
[2023-03-12 07:32:22] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:22] [INFO ] Invariant cache hit.
[2023-03-12 07:32:23] [INFO ] Dead Transitions using invariants and state equation in 554 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1546 ms. Remains : 125/125 places, 1328/1328 transitions.
Computed a total of 108 stabilizing places and 204 stable transitions
Computed a total of 108 stabilizing places and 204 stable transitions
Detected a total of 108/125 stabilizing places and 204/1328 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 330 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Finished random walk after 27 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=13 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 6 factoid took 368 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Stuttering acceptance computed with spot in 161 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
[2023-03-12 07:32:24] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:24] [INFO ] Invariant cache hit.
[2023-03-12 07:32:25] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:32:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:25] [INFO ] [Real]Absence check using state equation in 148 ms returned sat
[2023-03-12 07:32:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 07:32:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-12 07:32:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 07:32:26] [INFO ] [Nat]Absence check using state equation in 201 ms returned sat
[2023-03-12 07:32:26] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:29] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-12 07:32:32] [INFO ] [Nat]Added 22 Read/Feed constraints in 5740 ms returned sat
[2023-03-12 07:32:32] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 53 ms.
[2023-03-12 07:32:33] [INFO ] Added : 38 causal constraints over 9 iterations in 1063 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Product exploration explored 100000 steps with 1321 reset in 1412 ms.
Product exploration explored 100000 steps with 1307 reset in 1375 ms.
Applying partial POR strategy [false, true, false]
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 90 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:32:36] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:36] [INFO ] Invariant cache hit.
[2023-03-12 07:32:37] [INFO ] Dead Transitions using invariants and state equation in 511 ms found 0 transitions.
[2023-03-12 07:32:37] [INFO ] Redundant transitions in 19 ms returned []
[2023-03-12 07:32:37] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:37] [INFO ] Invariant cache hit.
[2023-03-12 07:32:37] [INFO ] Dead Transitions using invariants and state equation in 430 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1061 ms. Remains : 125/125 places, 1328/1328 transitions.
Support contains 54 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Applied a total of 0 rules in 4 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-12 07:32:37] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:37] [INFO ] Invariant cache hit.
[2023-03-12 07:32:38] [INFO ] Dead Transitions using invariants and state equation in 399 ms found 0 transitions.
[2023-03-12 07:32:38] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:38] [INFO ] Invariant cache hit.
[2023-03-12 07:32:38] [INFO ] Implicit Places using invariants in 152 ms returned []
[2023-03-12 07:32:38] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:38] [INFO ] Invariant cache hit.
[2023-03-12 07:32:38] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 07:32:38] [INFO ] Implicit Places using invariants and state equation in 314 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
[2023-03-12 07:32:38] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-12 07:32:38] [INFO ] Invariant cache hit.
[2023-03-12 07:32:39] [INFO ] Dead Transitions using invariants and state equation in 340 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1212 ms. Remains : 125/125 places, 1328/1328 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 finished in 27394 ms.
[2023-03-12 07:32:39] [INFO ] Flatten gal took : 62 ms
[2023-03-12 07:32:39] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 14 ms.
[2023-03-12 07:32:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 126 places, 1328 transitions and 10008 arcs took 8 ms.
Total runtime 199601 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3383/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 714 seconds
MemTotal: 16393340 kB
MemFree: 9378548 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16122624 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3383/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 714 seconds
MemTotal: 16393340 kB
MemFree: 8927996 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16116812 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3383/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3383/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3383/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-00
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-03
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-06
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-14

BK_STOP 1678607790873

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-00
ltl formula formula --ltl=/tmp/3383/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1328 transitions and 10008 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.180 real 0.070 user 0.050 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3383/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3383/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3383/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3383/ltl_0_
Killing (15) : 3389 3390 3391 3392 3393
Killing (9) : 3389 3390 3391 3392 3393
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-03
ltl formula formula --ltl=/tmp/3383/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1328 transitions and 10008 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.070 user 0.060 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3383/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3383/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3383/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3383/ltl_1_
Killing (15) : 3406 3407 3408 3409 3410
Killing (9) : 3406 3407 3408 3409 3410
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-06
ltl formula formula --ltl=/tmp/3383/ltl_2_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1328 transitions and 10008 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.230 real 0.040 user 0.070 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3383/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3383/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3383/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3383/ltl_2_
pnml2lts-mc( 0/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
pnml2lts-mc( 1/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
malloc_consolidate(): invalid chunk size
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
pnml2lts-mc( 2/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
ltl formula formula --ltl=/tmp/3383/ltl_3_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1328 transitions and 10008 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.190 real 0.060 user 0.050 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3383/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3383/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3383/ltl_3_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3383/ltl_3_
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
double free or corruption (fasttop)
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-14
ltl formula formula --ltl=/tmp/3383/ltl_4_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1328 transitions and 10008 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.240 real 0.060 user 0.070 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3383/ltl_4_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3383/ltl_4_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3383/ltl_4_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3383/ltl_4_
pnml2lts-mc( 1/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
double free or corruption (fasttop)
pnml2lts-mc( 0/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
double free or corruption (fasttop)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V50P50N10"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is BridgeAndVehicles-COL-V50P50N10, 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 r041-tajo-167813694200092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P50N10.tgz
mv BridgeAndVehicles-COL-V50P50N10 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 ;