Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r039-tajo-167813692300252.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-PT-V50P50N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692300252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 22K Feb 25 12:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 142K Feb 25 12:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 247K Feb 25 12:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 950K Feb 25 12:09 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 11K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Feb 25 15:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 111K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 335K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 40K Feb 25 12:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 234K Feb 25 12:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 177K Feb 25 12:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 714K Feb 25 12:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.5K Feb 25 15:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.1M 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-PT-V50P50N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678486575646

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 22:16:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 22:16:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 22:16:18] [INFO ] Load time of PNML (sax parser for PT used): 115 ms
[2023-03-10 22:16:18] [INFO ] Transformed 128 places.
[2023-03-10 22:16:18] [INFO ] Transformed 1328 transitions.
[2023-03-10 22:16:18] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 185 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 125 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 34 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:16:18] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2023-03-10 22:16:18] [INFO ] Computed 5 place invariants in 13 ms
[2023-03-10 22:16:19] [INFO ] Dead Transitions using invariants and state equation in 1277 ms found 0 transitions.
[2023-03-10 22:16:19] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:19] [INFO ] Invariant cache hit.
[2023-03-10 22:16:19] [INFO ] Implicit Places using invariants in 94 ms returned []
[2023-03-10 22:16:19] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:19] [INFO ] Invariant cache hit.
[2023-03-10 22:16:20] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:20] [INFO ] Implicit Places using invariants and state equation in 294 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 396 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 125/128 places, 1328/1328 transitions.
Applied a total of 0 rules in 24 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 1760 ms. Remains : 125/128 places, 1328/1328 transitions.
Support contains 125 out of 125 places after structural reductions.
[2023-03-10 22:16:21] [INFO ] Flatten gal took : 325 ms
[2023-03-10 22:16:21] [INFO ] Flatten gal took : 118 ms
[2023-03-10 22:16:21] [INFO ] Input system was already deterministic with 1328 transitions.
Incomplete random walk after 10000 steps, including 22 resets, run finished after 1081 ms. (steps per millisecond=9 ) properties (out of 24) seen :17
Incomplete Best-First random walk after 10000 steps, including 7 resets, run finished after 426 ms. (steps per millisecond=23 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 8 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 10 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 8 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-10 22:16:23] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 125 cols
[2023-03-10 22:16:23] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 22:16:23] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:16:24] [INFO ] After 218ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:4
[2023-03-10 22:16:24] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:16:24] [INFO ] After 128ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :4
[2023-03-10 22:16:24] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:24] [INFO ] After 389ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :2 sat :4
[2023-03-10 22:16:25] [INFO ] After 836ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :4
Attempting to minimize the solution found.
Minimization took 299 ms.
[2023-03-10 22:16:25] [INFO ] After 1350ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :4
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 70 ms.
Support contains 12 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 122 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 9 place count 120 transition count 1324
Applied a total of 9 rules in 289 ms. Remains 120 /125 variables (removed 5) and now considering 1324/1328 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 289 ms. Remains : 120/125 places, 1324/1328 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 293 ms. (steps per millisecond=34 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 305660 steps, run timeout after 3001 ms. (steps per millisecond=101 ) properties seen :{1=1, 3=1}
Probabilistic random walk after 305660 steps, saw 93795 distinct states, run finished after 3002 ms. (steps per millisecond=101 ) properties seen :2
Running SMT prover for 2 properties.
[2023-03-10 22:16:29] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
// Phase 1: matrix 246 rows 120 cols
[2023-03-10 22:16:29] [INFO ] Computed 4 place invariants in 7 ms
[2023-03-10 22:16:29] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:29] [INFO ] After 224ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:16:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:29] [INFO ] After 129ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:30] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:30] [INFO ] After 173ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:30] [INFO ] After 319ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 73 ms.
[2023-03-10 22:16:30] [INFO ] After 587ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 15 ms.
Support contains 8 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1324/1324 transitions.
Applied a total of 0 rules in 117 ms. Remains 120 /120 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 117 ms. Remains : 120/120 places, 1324/1324 transitions.
Incomplete random walk after 10000 steps, including 31 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 379099 steps, run timeout after 3001 ms. (steps per millisecond=126 ) properties seen :{}
Probabilistic random walk after 379099 steps, saw 114459 distinct states, run finished after 3002 ms. (steps per millisecond=126 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-10 22:16:33] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:33] [INFO ] Invariant cache hit.
[2023-03-10 22:16:33] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:34] [INFO ] After 144ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:16:34] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:34] [INFO ] After 102ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:34] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:34] [INFO ] After 187ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:34] [INFO ] After 311ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 96 ms.
[2023-03-10 22:16:34] [INFO ] After 550ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 8 ms.
Support contains 8 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1324/1324 transitions.
Applied a total of 0 rules in 69 ms. Remains 120 /120 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 120/120 places, 1324/1324 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1324/1324 transitions.
Applied a total of 0 rules in 72 ms. Remains 120 /120 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
[2023-03-10 22:16:34] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:34] [INFO ] Invariant cache hit.
[2023-03-10 22:16:34] [INFO ] Implicit Places using invariants in 153 ms returned []
[2023-03-10 22:16:34] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:34] [INFO ] Invariant cache hit.
[2023-03-10 22:16:34] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:35] [INFO ] Implicit Places using invariants and state equation in 366 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 524 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 119/120 places, 1324/1324 transitions.
Applied a total of 0 rules in 56 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 652 ms. Remains : 119/120 places, 1324/1324 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 393133 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :{}
Probabilistic random walk after 393133 steps, saw 117387 distinct states, run finished after 3005 ms. (steps per millisecond=130 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-10 22:16:38] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
// Phase 1: matrix 246 rows 119 cols
[2023-03-10 22:16:38] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 22:16:38] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:38] [INFO ] After 238ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:16:38] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:16:39] [INFO ] After 169ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:39] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:39] [INFO ] After 221ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:39] [INFO ] After 437ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 121 ms.
[2023-03-10 22:16:39] [INFO ] After 836ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 14 ms.
Support contains 8 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 1324/1324 transitions.
Applied a total of 0 rules in 89 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 119/119 places, 1324/1324 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 1324/1324 transitions.
Applied a total of 0 rules in 79 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
[2023-03-10 22:16:39] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:39] [INFO ] Invariant cache hit.
[2023-03-10 22:16:40] [INFO ] Implicit Places using invariants in 218 ms returned []
[2023-03-10 22:16:40] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:40] [INFO ] Invariant cache hit.
[2023-03-10 22:16:40] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:40] [INFO ] Implicit Places using invariants and state equation in 640 ms returned []
Implicit Place search using SMT with State Equation took 867 ms to find 0 implicit places.
[2023-03-10 22:16:40] [INFO ] Redundant transitions in 101 ms returned []
[2023-03-10 22:16:40] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2023-03-10 22:16:40] [INFO ] Invariant cache hit.
[2023-03-10 22:16:41] [INFO ] Dead Transitions using invariants and state equation in 455 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1514 ms. Remains : 119/119 places, 1324/1324 transitions.
Ensure Unique test removed 1078 transitions
Reduce isomorphic transitions removed 1078 transitions.
Iterating post reduction 0 with 1078 rules applied. Total rules applied 1078 place count 119 transition count 246
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1080 place count 119 transition count 244
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1082 place count 117 transition count 244
Applied a total of 1082 rules in 13 ms. Remains 117 /119 variables (removed 2) and now considering 244/1324 (removed 1080) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 244 rows 117 cols
[2023-03-10 22:16:41] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 22:16:41] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:16:41] [INFO ] After 148ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:16:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:16:41] [INFO ] After 78ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:16:41] [INFO ] After 20ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:16:41] [INFO ] After 54ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 23 ms.
[2023-03-10 22:16:41] [INFO ] After 197ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 11 simplifications.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 108 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 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 12 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:16:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-10 22:16:42] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:16:42] [INFO ] Dead Transitions using invariants and state equation in 445 ms found 0 transitions.
[2023-03-10 22:16:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:16:42] [INFO ] Invariant cache hit.
[2023-03-10 22:16:42] [INFO ] Implicit Places using invariants in 101 ms returned []
[2023-03-10 22:16:42] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:16:42] [INFO ] Invariant cache hit.
[2023-03-10 22:16:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:42] [INFO ] Implicit Places using invariants and state equation in 280 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 386 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/125 places, 1327/1328 transitions.
Applied a total of 0 rules in 9 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 856 ms. Remains : 123/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 422 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-PT-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 s53 50) (GEQ s109 1)) (AND (GEQ s53 50) (GEQ s110 1))), p0:(AND (OR (LT s33 1) (LT s55 1) (LT s56 1) (LT s115 1)) (OR (LT s36 1) (LT s55 ...], 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]]
Entered a terminal (fully accepting) state of product in 10613 steps with 2676 reset in 215 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 finished in 1577 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 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 160 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:16:43] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 125 cols
[2023-03-10 22:16:43] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-10 22:16:44] [INFO ] Dead Transitions using invariants and state equation in 428 ms found 0 transitions.
[2023-03-10 22:16:44] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:44] [INFO ] Invariant cache hit.
[2023-03-10 22:16:44] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-10 22:16:44] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:44] [INFO ] Invariant cache hit.
[2023-03-10 22:16:44] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:44] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
[2023-03-10 22:16:44] [INFO ] Redundant transitions in 72 ms returned []
[2023-03-10 22:16:44] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:44] [INFO ] Invariant cache hit.
[2023-03-10 22:16:45] [INFO ] Dead Transitions using invariants and state equation in 394 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1434 ms. Remains : 125/125 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 161 ms :[(NOT p2), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-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 s110 1), p0:(OR (AND (GEQ s7 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s26 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s45 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 11883 steps with 28 reset in 746 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-02 finished in 2398 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 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 15 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:16:46] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:46] [INFO ] Invariant cache hit.
[2023-03-10 22:16:46] [INFO ] Dead Transitions using invariants and state equation in 536 ms found 0 transitions.
[2023-03-10 22:16:46] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:46] [INFO ] Invariant cache hit.
[2023-03-10 22:16:46] [INFO ] Implicit Places using invariants in 116 ms returned []
[2023-03-10 22:16:46] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:46] [INFO ] Invariant cache hit.
[2023-03-10 22:16:46] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:47] [INFO ] Implicit Places using invariants and state equation in 492 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 623 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/125 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.
Finished structural reductions in LTL mode , in 2 iterations and 1184 ms. Remains : 124/125 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 239 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2 p1), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-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) p1), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 4}, { cond=(AND p2 p1), acceptance={} source=1 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))), acceptance={} source=3 dest: 2}, { cond=(OR p2 (NOT p1)), acceptance={} source=3 dest: 3}], [{ cond=(AND p2 (NOT p0) p1), acceptance={} source=4 dest: 2}, { cond=(AND p2 p1), acceptance={} source=4 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=5 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(OR (AND (GEQ s107 1) (GEQ s115 1)) (AND (GEQ s107 1) (GEQ s114 1)) (AND (GEQ s107 1) (GEQ s117 1)) (AND (GEQ s107 1) (GEQ s116 1)) (AND (GEQ s107 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 4841 reset in 1004 ms.
Product exploration explored 100000 steps with 5242 reset in 1060 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) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 p1))), (X (AND (NOT p2) (NOT p0) p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1)))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR p2 (NOT p1)))), (X (X (NOT (OR p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p0) p1))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
Knowledge based reduction with 5 factoid took 970 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 257 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2 p1), (AND (NOT p0) (NOT p2) (NOT p1))]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 144 ms. (steps per millisecond=69 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 506 ms. (steps per millisecond=19 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:16:51] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-10 22:16:51] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:16:51] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:16:51] [INFO ] After 59ms 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) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p2 (NOT p1))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 p1))), (X (AND (NOT p2) (NOT p0) p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1)))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR p2 (NOT p1)))), (X (X (NOT (OR p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p0) p1))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (F (NOT (AND p2 p1))), (F (AND (NOT p2) (NOT p1))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (F p0), (F (NOT p2)), (F (AND (NOT p2) p1)), (F (AND (NOT p2) (NOT p0) p1)), (F (NOT (AND p2 (NOT p0) p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 6 factoid took 981 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 292 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 350 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT 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 12 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:16:53] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:53] [INFO ] Invariant cache hit.
[2023-03-10 22:16:54] [INFO ] Dead Transitions using invariants and state equation in 686 ms found 0 transitions.
[2023-03-10 22:16:54] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:54] [INFO ] Invariant cache hit.
[2023-03-10 22:16:54] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-10 22:16:54] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:54] [INFO ] Invariant cache hit.
[2023-03-10 22:16:54] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:16:54] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 494 ms to find 0 implicit places.
[2023-03-10 22:16:54] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:16:54] [INFO ] Invariant cache hit.
[2023-03-10 22:16:55] [INFO ] Dead Transitions using invariants and state equation in 627 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1829 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) p1), (X p1), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (NOT p1) p2))), (X (X (NOT (OR (NOT p1) p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2))))]
Knowledge based reduction with 4 factoid took 839 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 347 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Finished random walk after 12 steps, including 0 resets, run visited all 9 properties in 16 ms. (steps per millisecond=0 )
Knowledge obtained : [(AND p2 (NOT p0) p1), (X p1), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (NOT p1) p2))), (X (X (NOT (OR (NOT p1) p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (F p0), (F (NOT p1)), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (F (NOT p2)), (F (AND (NOT p2) p1)), (F (AND (NOT p2) (NOT p0) p1)), (F (AND (NOT p0) (NOT p1))), (F (NOT (AND p2 (NOT p0))))]
Knowledge based reduction with 4 factoid took 1073 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 415 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 473 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 429 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 4937 reset in 1471 ms.
Product exploration explored 100000 steps with 5161 reset in 1235 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT 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 2 ms
Applied a total of 1 rules in 138 ms. Remains 124 /124 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:17:02] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-10 22:17:02] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:17:02] [INFO ] Dead Transitions using invariants and state equation in 498 ms found 0 transitions.
[2023-03-10 22:17:03] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-10 22:17:03] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:17:03] [INFO ] Invariant cache hit.
[2023-03-10 22:17:03] [INFO ] Dead Transitions using invariants and state equation in 452 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 1119 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.
[2023-03-10 22:17:03] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 124 cols
[2023-03-10 22:17:03] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:17:03] [INFO ] Dead Transitions using invariants and state equation in 459 ms found 0 transitions.
[2023-03-10 22:17:03] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:17:03] [INFO ] Invariant cache hit.
[2023-03-10 22:17:04] [INFO ] Implicit Places using invariants in 142 ms returned []
[2023-03-10 22:17:04] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:17:04] [INFO ] Invariant cache hit.
[2023-03-10 22:17:04] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:04] [INFO ] Implicit Places using invariants and state equation in 465 ms returned []
Implicit Place search using SMT with State Equation took 609 ms to find 0 implicit places.
[2023-03-10 22:17:04] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:17:04] [INFO ] Invariant cache hit.
[2023-03-10 22:17:04] [INFO ] Dead Transitions using invariants and state equation in 440 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1515 ms. Remains : 124/124 places, 1328/1328 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 finished in 19202 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 125 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 75 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:17:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-10 22:17:05] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-10 22:17:05] [INFO ] Dead Transitions using invariants and state equation in 483 ms found 0 transitions.
[2023-03-10 22:17:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:05] [INFO ] Invariant cache hit.
[2023-03-10 22:17:05] [INFO ] Implicit Places using invariants in 187 ms returned []
[2023-03-10 22:17:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:05] [INFO ] Invariant cache hit.
[2023-03-10 22:17:06] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:06] [INFO ] Implicit Places using invariants and state equation in 291 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
[2023-03-10 22:17:06] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-10 22:17:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:06] [INFO ] Invariant cache hit.
[2023-03-10 22:17:06] [INFO ] Dead Transitions using invariants and state equation in 531 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/125 places, 1327/1328 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1598 ms. Remains : 124/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s7 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s26 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s45 1) (GEQ s52 1) (GEQ s54 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 5447 reset in 649 ms.
Product exploration explored 100000 steps with 5409 reset in 607 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 176 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 40 ms :[(NOT p0)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=2 )
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 168 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 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2023-03-10 22:17:08] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:08] [INFO ] Invariant cache hit.
[2023-03-10 22:17:09] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:09] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2023-03-10 22:17:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:10] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:10] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2023-03-10 22:17:10] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:10] [INFO ] [Nat]Added 22 Read/Feed constraints in 71 ms returned sat
[2023-03-10 22:17:10] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 99 ms.
[2023-03-10 22:17:11] [INFO ] Added : 26 causal constraints over 6 iterations in 281 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 90 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:11] [INFO ] Invariant cache hit.
[2023-03-10 22:17:11] [INFO ] Dead Transitions using invariants and state equation in 509 ms found 0 transitions.
[2023-03-10 22:17:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:11] [INFO ] Invariant cache hit.
[2023-03-10 22:17:11] [INFO ] Implicit Places using invariants in 201 ms returned []
[2023-03-10 22:17:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:11] [INFO ] Invariant cache hit.
[2023-03-10 22:17:11] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:12] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 514 ms to find 0 implicit places.
[2023-03-10 22:17:12] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-10 22:17:12] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:12] [INFO ] Invariant cache hit.
[2023-03-10 22:17:12] [INFO ] Dead Transitions using invariants and state equation in 530 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1673 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 172 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 55 ms :[(NOT p0)]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
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 157 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
[2023-03-10 22:17:13] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:13] [INFO ] Invariant cache hit.
[2023-03-10 22:17:14] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:17:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:14] [INFO ] [Real]Absence check using state equation in 155 ms returned sat
[2023-03-10 22:17:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:15] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:15] [INFO ] [Nat]Absence check using state equation in 187 ms returned sat
[2023-03-10 22:17:15] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:15] [INFO ] [Nat]Added 22 Read/Feed constraints in 61 ms returned sat
[2023-03-10 22:17:15] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 58 ms.
[2023-03-10 22:17:16] [INFO ] Added : 26 causal constraints over 6 iterations in 244 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 65 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5342 reset in 846 ms.
Product exploration explored 100000 steps with 5434 reset in 579 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 146 ms. Remains 124 /124 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:17] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:17] [INFO ] Invariant cache hit.
[2023-03-10 22:17:18] [INFO ] Dead Transitions using invariants and state equation in 594 ms found 0 transitions.
[2023-03-10 22:17:18] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:18] [INFO ] Invariant cache hit.
[2023-03-10 22:17:18] [INFO ] Implicit Places using invariants in 206 ms returned []
[2023-03-10 22:17:18] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:18] [INFO ] Invariant cache hit.
[2023-03-10 22:17:18] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:18] [INFO ] Implicit Places using invariants and state equation in 474 ms returned []
Implicit Place search using SMT with State Equation took 683 ms to find 0 implicit places.
[2023-03-10 22:17:19] [INFO ] Redundant transitions in 35 ms returned []
[2023-03-10 22:17:19] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:19] [INFO ] Invariant cache hit.
[2023-03-10 22:17:19] [INFO ] Dead Transitions using invariants and state equation in 650 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2117 ms. Remains : 124/124 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 finished in 14682 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))))'
Support contains 4 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 11 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:17:19] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:19] [INFO ] Invariant cache hit.
[2023-03-10 22:17:20] [INFO ] Dead Transitions using invariants and state equation in 580 ms found 0 transitions.
[2023-03-10 22:17:20] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:20] [INFO ] Invariant cache hit.
[2023-03-10 22:17:20] [INFO ] Implicit Places using invariants in 237 ms returned []
[2023-03-10 22:17:20] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:20] [INFO ] Invariant cache hit.
[2023-03-10 22:17:20] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:21] [INFO ] Implicit Places using invariants and state equation in 913 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1159 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/125 places, 1327/1328 transitions.
Applied a total of 0 rules in 4 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 1757 ms. Remains : 123/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(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=[p0:(AND (GEQ s44 1) (GEQ s55 1) (GEQ s56 1) (GEQ s117 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 421 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 finished in 1989 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)&&G(p1))))'
Support contains 4 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 23 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:17:21] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:21] [INFO ] Invariant cache hit.
[2023-03-10 22:17:22] [INFO ] Dead Transitions using invariants and state equation in 539 ms found 0 transitions.
[2023-03-10 22:17:22] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:22] [INFO ] Invariant cache hit.
[2023-03-10 22:17:22] [INFO ] Implicit Places using invariants in 206 ms returned []
[2023-03-10 22:17:22] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:22] [INFO ] Invariant cache hit.
[2023-03-10 22:17:22] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:23] [INFO ] Implicit Places using invariants and state equation in 779 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 990 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/125 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 1561 ms. Remains : 123/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 115 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 p1), acceptance={0} source=3 dest: 0}, { cond=(NOT p1), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(AND (GEQ s98 1) (GEQ s111 1)), p0:(AND (GEQ s107 1) (GEQ s114 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-09 finished in 1705 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U (X(p2)&&p1)))'
Support contains 8 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 21 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:17:23] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:23] [INFO ] Invariant cache hit.
[2023-03-10 22:17:24] [INFO ] Dead Transitions using invariants and state equation in 537 ms found 0 transitions.
[2023-03-10 22:17:24] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:24] [INFO ] Invariant cache hit.
[2023-03-10 22:17:24] [INFO ] Implicit Places using invariants in 159 ms returned []
[2023-03-10 22:17:24] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:24] [INFO ] Invariant cache hit.
[2023-03-10 22:17:24] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:24] [INFO ] Implicit Places using invariants and state equation in 481 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 649 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/125 places, 1327/1328 transitions.
Applied a total of 0 rules in 7 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 1228 ms. Remains : 123/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p1) (NOT p2)), true, p0, (NOT p2), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=0 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 1}, { cond=(NOT p0), acceptance={} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={} source=3 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={0} source=4 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 2}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(AND (GEQ s107 1) (GEQ s122 1)), p0:(AND (GEQ s17 1) (GEQ s55 1) (GEQ s56 1) (GEQ s115 1)), p2:(AND (GEQ s53 50) (GEQ s109 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 236 reset in 586 ms.
Product exploration explored 100000 steps with 236 reset in 502 ms.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND p1 p0))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0)))), true, (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 855 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 184 ms :[(OR (NOT p1) (NOT p2)), true, p0, (NOT p2), (NOT p2)]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 263 ms. (steps per millisecond=38 ) properties (out of 10) seen :6
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-10 22:17:27] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-10 22:17:27] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 22:17:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 22:17:28] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:3
[2023-03-10 22:17:28] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:28] [INFO ] After 129ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-10 22:17:28] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:28] [INFO ] After 144ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :1 sat :3
[2023-03-10 22:17:28] [INFO ] After 300ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :3
Attempting to minimize the solution found.
Minimization took 86 ms.
[2023-03-10 22:17:28] [INFO ] After 598ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :3
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 20 ms.
Support contains 8 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 75 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:28] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:28] [INFO ] Invariant cache hit.
[2023-03-10 22:17:29] [INFO ] Dead Transitions using invariants and state equation in 470 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 560 ms. Remains : 123/123 places, 1327/1327 transitions.
Incomplete random walk after 10000 steps, including 22 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 180 ms. (steps per millisecond=55 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 203013 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :{}
Probabilistic random walk after 203013 steps, saw 56151 distinct states, run finished after 3003 ms. (steps per millisecond=67 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 22:17:32] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:32] [INFO ] Invariant cache hit.
[2023-03-10 22:17:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:33] [INFO ] After 312ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 22:17:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:33] [INFO ] After 159ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 22:17:33] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:34] [INFO ] After 607ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 22:17:34] [INFO ] After 738ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 119 ms.
[2023-03-10 22:17:34] [INFO ] After 1126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 42 ms.
Support contains 8 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 93 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 123/123 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 121 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:34] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:34] [INFO ] Invariant cache hit.
[2023-03-10 22:17:35] [INFO ] Implicit Places using invariants in 316 ms returned []
[2023-03-10 22:17:35] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:35] [INFO ] Invariant cache hit.
[2023-03-10 22:17:35] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 747 ms to find 0 implicit places.
[2023-03-10 22:17:35] [INFO ] Redundant transitions in 27 ms returned []
[2023-03-10 22:17:35] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:35] [INFO ] Invariant cache hit.
[2023-03-10 22:17:36] [INFO ] Dead Transitions using invariants and state equation in 552 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1468 ms. Remains : 123/123 places, 1327/1327 transitions.
Ensure Unique test removed 1078 transitions
Reduce isomorphic transitions removed 1078 transitions.
Iterating post reduction 0 with 1078 rules applied. Total rules applied 1078 place count 123 transition count 249
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1080 place count 122 transition count 248
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1082 place count 122 transition count 246
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1084 place count 120 transition count 246
Applied a total of 1084 rules in 16 ms. Remains 120 /123 variables (removed 3) and now considering 246/1327 (removed 1081) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 246 rows 120 cols
[2023-03-10 22:17:36] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:17:36] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:36] [INFO ] After 249ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 22:17:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:36] [INFO ] After 122ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 22:17:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:17:36] [INFO ] After 76ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 22:17:36] [INFO ] After 159ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 51 ms.
[2023-03-10 22:17:36] [INFO ] After 436ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (NOT (AND p1 p0))), (X (AND (NOT p1) (NOT p0))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p0)))), (X (NOT p2)), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0)))), true, (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (G (NOT (AND p1 p0)))]
False Knowledge obtained : [(F (AND p1 (NOT p0))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (F p2), (F (NOT (AND (NOT p1) (NOT p0)))), (F (NOT (AND (NOT p2) (NOT p0)))), (F (AND p1 (NOT p2) (NOT p0)))]
Knowledge based reduction with 23 factoid took 1671 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
Stuttering acceptance computed with spot in 185 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
[2023-03-10 22:17:38] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-10 22:17:38] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:17:39] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:39] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2023-03-10 22:17:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:40] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:40] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2023-03-10 22:17:40] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:40] [INFO ] [Nat]Added 22 Read/Feed constraints in 501 ms returned sat
[2023-03-10 22:17:40] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 49 ms.
[2023-03-10 22:17:40] [INFO ] Added : 10 causal constraints over 2 iterations in 134 ms. Result :sat
Could not prove EG (NOT p1)
[2023-03-10 22:17:40] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:41] [INFO ] Invariant cache hit.
[2023-03-10 22:17:41] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:41] [INFO ] [Real]Absence check using state equation in 228 ms returned sat
[2023-03-10 22:17:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:42] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2023-03-10 22:17:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:42] [INFO ] [Nat]Added 22 Read/Feed constraints in 450 ms returned sat
[2023-03-10 22:17:42] [INFO ] Deduced a trap composed of 5 places in 241 ms of which 1 ms to minimize.
[2023-03-10 22:17:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 340 ms
[2023-03-10 22:17:42] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 56 ms.
[2023-03-10 22:17:43] [INFO ] Added : 11 causal constraints over 5 iterations in 371 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 8 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 13 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:43] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:43] [INFO ] Invariant cache hit.
[2023-03-10 22:17:43] [INFO ] Dead Transitions using invariants and state equation in 580 ms found 0 transitions.
[2023-03-10 22:17:43] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:43] [INFO ] Invariant cache hit.
[2023-03-10 22:17:44] [INFO ] Implicit Places using invariants in 185 ms returned []
[2023-03-10 22:17:44] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:44] [INFO ] Invariant cache hit.
[2023-03-10 22:17:44] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 673 ms to find 0 implicit places.
[2023-03-10 22:17:44] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:44] [INFO ] Invariant cache hit.
[2023-03-10 22:17:45] [INFO ] Dead Transitions using invariants and state equation in 495 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1777 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
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p2) p0))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p0) p1))), true, (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 1009 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
Incomplete random walk after 10000 steps, including 22 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 7) seen :5
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-10 22:17:46] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:46] [INFO ] Invariant cache hit.
[2023-03-10 22:17:46] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:46] [INFO ] After 242ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:17:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:47] [INFO ] After 143ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:47] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:47] [INFO ] After 193ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:47] [INFO ] After 320ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 113 ms.
[2023-03-10 22:17:47] [INFO ] After 670ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 19 ms.
Support contains 6 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 97 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:47] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:47] [INFO ] Invariant cache hit.
[2023-03-10 22:17:48] [INFO ] Dead Transitions using invariants and state equation in 543 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 643 ms. Remains : 123/123 places, 1327/1327 transitions.
Incomplete random walk after 10000 steps, including 22 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 414200 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :{}
Probabilistic random walk after 414200 steps, saw 113306 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-10 22:17:51] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:51] [INFO ] Invariant cache hit.
[2023-03-10 22:17:51] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:51] [INFO ] After 247ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:17:51] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:51] [INFO ] After 167ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:51] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:52] [INFO ] After 191ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:52] [INFO ] After 309ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 104 ms.
[2023-03-10 22:17:52] [INFO ] After 701ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 19 ms.
Support contains 6 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 96 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 123/123 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1327/1327 transitions.
Applied a total of 0 rules in 87 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:17:52] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:52] [INFO ] Invariant cache hit.
[2023-03-10 22:17:52] [INFO ] Implicit Places using invariants in 246 ms returned []
[2023-03-10 22:17:52] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:52] [INFO ] Invariant cache hit.
[2023-03-10 22:17:53] [INFO ] Implicit Places using invariants and state equation in 653 ms returned []
Implicit Place search using SMT with State Equation took 915 ms to find 0 implicit places.
[2023-03-10 22:17:53] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-10 22:17:53] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:53] [INFO ] Invariant cache hit.
[2023-03-10 22:17:54] [INFO ] Dead Transitions using invariants and state equation in 771 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1803 ms. Remains : 123/123 places, 1327/1327 transitions.
Ensure Unique test removed 1078 transitions
Reduce isomorphic transitions removed 1078 transitions.
Iterating post reduction 0 with 1078 rules applied. Total rules applied 1078 place count 123 transition count 249
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1080 place count 122 transition count 248
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1082 place count 122 transition count 246
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1084 place count 120 transition count 246
Applied a total of 1084 rules in 12 ms. Remains 120 /123 variables (removed 3) and now considering 246/1327 (removed 1081) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 246 rows 120 cols
[2023-03-10 22:17:54] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:17:54] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 22:17:54] [INFO ] After 164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 22:17:54] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:54] [INFO ] After 106ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:54] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:17:54] [INFO ] After 34ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 22:17:54] [INFO ] After 87ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 33 ms.
[2023-03-10 22:17:54] [INFO ] After 311ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p2) p0))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p0) p1))), true, (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (AND (NOT p0) p1 (NOT p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 16 factoid took 1344 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
Stuttering acceptance computed with spot in 221 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
[2023-03-10 22:17:56] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-10 22:17:56] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 22:17:57] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:57] [INFO ] [Real]Absence check using state equation in 236 ms returned sat
[2023-03-10 22:17:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:57] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:58] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2023-03-10 22:17:58] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:17:58] [INFO ] [Nat]Added 22 Read/Feed constraints in 489 ms returned sat
[2023-03-10 22:17:58] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 45 ms.
[2023-03-10 22:17:58] [INFO ] Added : 10 causal constraints over 2 iterations in 117 ms. Result :sat
Could not prove EG (NOT p1)
[2023-03-10 22:17:58] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:17:58] [INFO ] Invariant cache hit.
[2023-03-10 22:17:59] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:17:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:59] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2023-03-10 22:17:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:17:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:17:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:17:59] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2023-03-10 22:17:59] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:00] [INFO ] [Nat]Added 22 Read/Feed constraints in 409 ms returned sat
[2023-03-10 22:18:00] [INFO ] Deduced a trap composed of 5 places in 239 ms of which 1 ms to minimize.
[2023-03-10 22:18:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 397 ms
[2023-03-10 22:18:00] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 136 transitions) in 51 ms.
[2023-03-10 22:18:01] [INFO ] Added : 11 causal constraints over 5 iterations in 414 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 221 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
Product exploration explored 100000 steps with 236 reset in 634 ms.
Product exploration explored 100000 steps with 236 reset in 593 ms.
Applying partial POR strategy [false, true, true, false]
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p1) (NOT p2) p0), true, p0, (NOT p2)]
Support contains 8 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 118 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:18:02] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:02] [INFO ] Invariant cache hit.
[2023-03-10 22:18:03] [INFO ] Dead Transitions using invariants and state equation in 529 ms found 0 transitions.
[2023-03-10 22:18:03] [INFO ] Redundant transitions in 22 ms returned []
[2023-03-10 22:18:03] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:03] [INFO ] Invariant cache hit.
[2023-03-10 22:18:04] [INFO ] Dead Transitions using invariants and state equation in 521 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1202 ms. Remains : 123/123 places, 1327/1327 transitions.
Support contains 8 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.
[2023-03-10 22:18:04] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:04] [INFO ] Invariant cache hit.
[2023-03-10 22:18:04] [INFO ] Dead Transitions using invariants and state equation in 558 ms found 0 transitions.
[2023-03-10 22:18:04] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:04] [INFO ] Invariant cache hit.
[2023-03-10 22:18:04] [INFO ] Implicit Places using invariants in 183 ms returned []
[2023-03-10 22:18:04] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:04] [INFO ] Invariant cache hit.
[2023-03-10 22:18:05] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 498 ms to find 0 implicit places.
[2023-03-10 22:18:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:05] [INFO ] Invariant cache hit.
[2023-03-10 22:18:05] [INFO ] Dead Transitions using invariants and state equation in 403 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1475 ms. Remains : 123/123 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 finished in 42066 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0))&&F((p1||G(p0)))))'
Support contains 3 out of 125 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 125/125 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 124 transition count 1327
Applied a total of 2 rules in 81 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:18:05] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-10 22:18:05] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:18:06] [INFO ] Dead Transitions using invariants and state equation in 562 ms found 0 transitions.
[2023-03-10 22:18:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:06] [INFO ] Invariant cache hit.
[2023-03-10 22:18:06] [INFO ] Implicit Places using invariants in 261 ms returned []
[2023-03-10 22:18:06] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:06] [INFO ] Invariant cache hit.
[2023-03-10 22:18:06] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:07] [INFO ] Implicit Places using invariants and state equation in 740 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1017 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/125 places, 1327/1328 transitions.
Applied a total of 0 rules in 81 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 1743 ms. Remains : 123/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 224 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s7 1)), p1:(GEQ s52 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 3773 reset in 412 ms.
Product exploration explored 100000 steps with 3878 reset in 427 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 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), true, (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 487 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter insensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Finished random walk after 22 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=5 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), true, (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 10 factoid took 529 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 221 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 267 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
[2023-03-10 22:18:10] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-10 22:18:10] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:18:11] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned unsat
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), true, (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F (AND p0 (NOT p1))), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 10 factoid took 303 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 FALSE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 finished in 5856 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p1)||p0))))'
Support contains 7 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 1328/1328 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 124 transition count 1327
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 124 transition count 1327
Applied a total of 2 rules in 13 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:18:11] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-10 22:18:11] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 22:18:12] [INFO ] Dead Transitions using invariants and state equation in 572 ms found 0 transitions.
[2023-03-10 22:18:12] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:12] [INFO ] Invariant cache hit.
[2023-03-10 22:18:12] [INFO ] Implicit Places using invariants in 178 ms returned []
[2023-03-10 22:18:12] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:12] [INFO ] Invariant cache hit.
[2023-03-10 22:18:12] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:12] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 598 ms to find 0 implicit places.
[2023-03-10 22:18:12] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:12] [INFO ] Invariant cache hit.
[2023-03-10 22:18:13] [INFO ] Dead Transitions using invariants and state equation in 603 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 124/125 places, 1327/1328 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1792 ms. Remains : 124/125 places, 1327/1328 transitions.
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}]], initial=1, aps=[p1:(OR (LT s1 1) (LT s55 1) (LT s65 1) (LT s121 1)), p0:(OR (LT s26 1) (LT s52 1) (LT s54 1) (LT s55 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 674 ms.
Product exploration explored 100000 steps with 50000 reset in 529 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p1 p0)
Knowledge based reduction with 5 factoid took 251 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-14 finished in 3391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((!p1||X((X(X(!p2)) U (!p1&&X(X(!p2)))))))))'
Support contains 7 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 13 ms. Remains 125 /125 variables (removed 0) and now considering 1328/1328 (removed 0) transitions.
[2023-03-10 22:18:14] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 125 cols
[2023-03-10 22:18:14] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:18:15] [INFO ] Dead Transitions using invariants and state equation in 845 ms found 0 transitions.
[2023-03-10 22:18:15] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:18:15] [INFO ] Invariant cache hit.
[2023-03-10 22:18:15] [INFO ] Implicit Places using invariants in 166 ms returned []
[2023-03-10 22:18:15] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2023-03-10 22:18:15] [INFO ] Invariant cache hit.
[2023-03-10 22:18:16] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:16] [INFO ] Implicit Places using invariants and state equation in 648 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 819 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/125 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.
Finished structural reductions in LTL mode , in 2 iterations and 1683 ms. Remains : 124/125 places, 1328/1328 transitions.
Stuttering acceptance computed with spot in 547 ms :[(AND (NOT p0) p1), p1, (AND (NOT p0) p1), (OR p2 p1), p2, p2, true, (OR (AND (NOT p0) p2) (AND (NOT p0) p1)), (AND p2 (NOT p0)), (AND (NOT p0) p2), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=p1, acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 3}, { cond=(AND p0 p1), acceptance={} source=2 dest: 7}], [{ cond=p1, acceptance={0} source=3 dest: 3}, { cond=true, acceptance={0} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 5}], [{ cond=p2, acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p0) p1), acceptance={} source=7 dest: 3}, { cond=(NOT p0), acceptance={} source=7 dest: 4}, { cond=(AND p0 p1), acceptance={} source=7 dest: 7}, { cond=p0, acceptance={} source=7 dest: 8}], [{ cond=(NOT p0), acceptance={} source=8 dest: 5}, { cond=p0, acceptance={} source=8 dest: 9}], [{ cond=(AND (NOT p0) p2), acceptance={} source=9 dest: 6}, { cond=(AND p0 p2), acceptance={} source=9 dest: 10}], [{ cond=(NOT p0), acceptance={} source=10 dest: 6}, { cond=p0, acceptance={} source=10 dest: 10}]], initial=0, aps=[p0:(AND (GEQ s18 1) (GEQ s55 1) (GEQ s56 1) (GEQ s123 1)), p1:(GEQ s52 1), p2:(AND (GEQ s0 1) (GEQ s39 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 604 ms.
Product exploration explored 100000 steps with 50000 reset in 773 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 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND p0 p1)))
Knowledge based reduction with 11 factoid took 263 ms. Reduced automaton from 11 states, 20 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 finished in 3924 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))))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
Stuttering acceptance computed with spot in 448 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2 p1), (AND (NOT p0) (NOT p2) (NOT p1))]
Support contains 66 out of 125 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 125/125 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 124 transition count 1327
Applied a total of 2 rules in 55 ms. Remains 124 /125 variables (removed 1) and now considering 1327/1328 (removed 1) transitions.
[2023-03-10 22:18:19] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 124 cols
[2023-03-10 22:18:19] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:18:20] [INFO ] Dead Transitions using invariants and state equation in 584 ms found 0 transitions.
[2023-03-10 22:18:20] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:20] [INFO ] Invariant cache hit.
[2023-03-10 22:18:20] [INFO ] Implicit Places using invariants in 166 ms returned []
[2023-03-10 22:18:20] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:20] [INFO ] Invariant cache hit.
[2023-03-10 22:18:20] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:20] [INFO ] Implicit Places using invariants and state equation in 447 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 628 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 123/125 places, 1327/1328 transitions.
Applied a total of 0 rules in 11 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 1281 ms. Remains : 123/125 places, 1327/1328 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-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) p1), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 4}, { cond=(AND p2 p1), acceptance={} source=1 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))), acceptance={} source=3 dest: 2}, { cond=(OR p2 (NOT p1)), acceptance={} source=3 dest: 3}], [{ cond=(AND p2 (NOT p0) p1), acceptance={} source=4 dest: 2}, { cond=(AND p2 p1), acceptance={} source=4 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=5 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(OR (AND (GEQ s106 1) (GEQ s114 1)) (AND (GEQ s106 1) (GEQ s113 1)) (AND (GEQ s106 1) (GEQ s116 1)) (AND (GEQ s106 1) (GEQ s115 1)) (AND (GEQ s106 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 5767 reset in 1122 ms.
Product exploration explored 100000 steps with 5722 reset in 1160 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) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 p1))), (X (AND (NOT p2) (NOT p0) p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1)))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR p2 (NOT p1)))), (X (X (NOT (OR p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p0) p1))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
Knowledge based reduction with 5 factoid took 1339 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 394 ms :[(NOT p2), (NOT p2), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2 p1), (AND (NOT p0) (NOT p2) (NOT p1))]
Incomplete random walk after 10000 steps, including 26 resets, run finished after 316 ms. (steps per millisecond=31 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 386 ms. (steps per millisecond=25 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:18:25] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 123 cols
[2023-03-10 22:18:25] [INFO ] Computed 5 place invariants in 7 ms
[2023-03-10 22:18:26] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:18:26] [INFO ] After 126ms 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) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p2 (NOT p1))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 p1))), (X (AND (NOT p2) (NOT p0) p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X p2)), (X (X (NOT p2))), (X (X (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1)))))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (OR p2 (NOT p1)))), (X (X (NOT (OR p2 (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p0) p1))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) (NOT p0) p1))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (F (NOT (AND p2 p1))), (F (AND (NOT p2) (NOT p1))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (F p0), (F (NOT p2)), (F (AND (NOT p2) p1)), (F (AND (NOT p2) (NOT p0) p1)), (F (NOT (AND p2 (NOT p0) p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 6 factoid took 1226 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 432 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 403 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT 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.
[2023-03-10 22:18:28] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:28] [INFO ] Invariant cache hit.
[2023-03-10 22:18:28] [INFO ] Dead Transitions using invariants and state equation in 696 ms found 0 transitions.
[2023-03-10 22:18:28] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:28] [INFO ] Invariant cache hit.
[2023-03-10 22:18:29] [INFO ] Implicit Places using invariants in 118 ms returned []
[2023-03-10 22:18:29] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:29] [INFO ] Invariant cache hit.
[2023-03-10 22:18:29] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:29] [INFO ] Implicit Places using invariants and state equation in 322 ms returned []
Implicit Place search using SMT with State Equation took 441 ms to find 0 implicit places.
[2023-03-10 22:18:29] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:29] [INFO ] Invariant cache hit.
[2023-03-10 22:18:29] [INFO ] Dead Transitions using invariants and state equation in 494 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1654 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) p1), (X p1), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (NOT p1) p2))), (X (X (NOT (OR (NOT p1) p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2))))]
Knowledge based reduction with 4 factoid took 1085 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 383 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Finished random walk after 1528 steps, including 4 resets, run visited all 9 properties in 85 ms. (steps per millisecond=17 )
Knowledge obtained : [(AND p2 (NOT p0) p1), (X p1), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) p1 (NOT p2))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (AND p1 (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)))), (X (X (NOT (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (NOT p1) p2))), (X (X (NOT (OR (NOT p1) p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (F p0), (F (NOT p1)), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) (NOT p1))))), (F (NOT p2)), (F (AND (NOT p2) p1)), (F (AND (NOT p2) (NOT p0) p1)), (F (AND (NOT p0) (NOT p1))), (F (NOT (AND p2 (NOT p0))))]
Knowledge based reduction with 4 factoid took 879 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 419 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 480 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 574 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5869 reset in 1539 ms.
Product exploration explored 100000 steps with 5478 reset in 1123 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 472 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2), (AND (NOT p0) (NOT 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 77 ms. Remains 123 /123 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2023-03-10 22:18:37] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:37] [INFO ] Invariant cache hit.
[2023-03-10 22:18:37] [INFO ] Dead Transitions using invariants and state equation in 570 ms found 0 transitions.
[2023-03-10 22:18:37] [INFO ] Redundant transitions in 13 ms returned []
[2023-03-10 22:18:37] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:37] [INFO ] Invariant cache hit.
[2023-03-10 22:18:38] [INFO ] Dead Transitions using invariants and state equation in 656 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1355 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.
[2023-03-10 22:18:38] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:38] [INFO ] Invariant cache hit.
[2023-03-10 22:18:39] [INFO ] Dead Transitions using invariants and state equation in 591 ms found 0 transitions.
[2023-03-10 22:18:39] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:39] [INFO ] Invariant cache hit.
[2023-03-10 22:18:39] [INFO ] Implicit Places using invariants in 146 ms returned []
[2023-03-10 22:18:39] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:39] [INFO ] Invariant cache hit.
[2023-03-10 22:18:39] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 22:18:39] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
[2023-03-10 22:18:39] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
[2023-03-10 22:18:39] [INFO ] Invariant cache hit.
[2023-03-10 22:18:40] [INFO ] Dead Transitions using invariants and state equation in 616 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1696 ms. Remains : 123/123 places, 1327/1327 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 finished in 21399 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' '!((G(!p0) U (X(p2)&&p1)))'
[2023-03-10 22:18:40] [INFO ] Flatten gal took : 164 ms
[2023-03-10 22:18:40] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 22 ms.
[2023-03-10 22:18:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 125 places, 1328 transitions and 9907 arcs took 24 ms.
Total runtime 143098 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-PT-V50P50N10
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
LTLFireability

FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678486750701

--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:430
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 9 (type EXCL) for 3 BridgeAndVehicles-PT-V50P50N10-LTLFireability-06
lola: time limit : 1198 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F 0 0 1 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
9 EG EXCL 5/1198 2/32 BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 262445 m, 52489 m/sec, 915974 t fired, .

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PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F 0 0 1 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
9 EG EXCL 10/1198 3/32 BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 563994 m, 60309 m/sec, 1983383 t fired, .

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PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F 0 0 1 0 1 0 0 0
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
9 EG EXCL 15/1198 4/32 BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 885367 m, 64274 m/sec, 3073992 t fired, .

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# running tasks: 1 of 4 Visible: 3
lola: FINISHED task # 9 (type EXCL) for BridgeAndVehicles-PT-V50P50N10-LTLFireability-06
lola: result : false
lola: markings : 1228812
lola: fired transitions : 4121815
lola: time used : 19.000000
lola: memory pages used : 6
lola: LAUNCH task # 7 (type EXCL) for 6 BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
lola: time limit : 1788 sec
lola: memory limit: 32 pages
lola: FINISHED task # 7 (type EXCL) for BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
lola: result : false
lola: markings : 430
lola: fired transitions : 430
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 1 (type EXCL) for 0 BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
lola: time limit : 3577 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F true state space / EG
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL false LTL model checker

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 1/3577 1/32 BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 102507 m, 20501 m/sec, 324158 t fired, .

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BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F true state space / EG
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL false LTL model checker

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 6/3577 7/32 BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 920817 m, 163662 m/sec, 3951340 t fired, .

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lola: FINISHED task # 1 (type EXCL) for BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
lola: result : false
lola: markings : 994008
lola: fired transitions : 4289762
lola: time used : 6.000000
lola: memory pages used : 7
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-PT-V50P50N10-LTLFireability-03: LTL false LTL model checker
BridgeAndVehicles-PT-V50P50N10-LTLFireability-06: F true state space / EG
BridgeAndVehicles-PT-V50P50N10-LTLFireability-12: LTL false LTL model checker


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Sequence of Actions to be Executed by the VM

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

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

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is BridgeAndVehicles-PT-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 r039-tajo-167813692300252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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