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-167813692200220.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-PT-V20P20N50, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692200220
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.0M
-rw-r--r-- 1 mcc users 15K Feb 25 12:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 25 12:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 385K Feb 25 12:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.5M Feb 25 12:12 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 9.7K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K Feb 25 15:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 139K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 404K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 37K Feb 25 12:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 226K Feb 25 12:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 463K Feb 25 12:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.9M Feb 25 12:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K 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 1.9M 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-V20P20N50-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N50-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678484729567

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-V20P20N50
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 21:45:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 21:45:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 21:45:31] [INFO ] Load time of PNML (sax parser for PT used): 195 ms
[2023-03-10 21:45:31] [INFO ] Transformed 108 places.
[2023-03-10 21:45:31] [INFO ] Transformed 2228 transitions.
[2023-03-10 21:45:31] [INFO ] Parsed PT model containing 108 places and 2228 transitions and 17190 arcs in 336 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 50 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 105 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 2228/2228 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 2228
Applied a total of 2 rules in 61 ms. Remains 106 /108 variables (removed 2) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:45:32] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:45:32] [INFO ] Computed 5 place invariants in 10 ms
[2023-03-10 21:45:33] [INFO ] Dead Transitions using invariants and state equation in 946 ms found 0 transitions.
[2023-03-10 21:45:33] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:45:33] [INFO ] Invariant cache hit.
[2023-03-10 21:45:33] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-10 21:45:33] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:45:33] [INFO ] Invariant cache hit.
[2023-03-10 21:45:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:33] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 213 ms to find 0 implicit places.
[2023-03-10 21:45:33] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:45:33] [INFO ] Invariant cache hit.
[2023-03-10 21:45:34] [INFO ] Dead Transitions using invariants and state equation in 627 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 106/108 places, 2228/2228 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1880 ms. Remains : 106/108 places, 2228/2228 transitions.
Support contains 105 out of 106 places after structural reductions.
[2023-03-10 21:45:34] [INFO ] Flatten gal took : 209 ms
[2023-03-10 21:45:35] [INFO ] Flatten gal took : 213 ms
[2023-03-10 21:45:36] [INFO ] Input system was already deterministic with 2228 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 540 ms. (steps per millisecond=18 ) properties (out of 20) seen :14
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-10 21:45:37] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:45:37] [INFO ] Invariant cache hit.
[2023-03-10 21:45:37] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:38] [INFO ] After 412ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:4
[2023-03-10 21:45:38] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:38] [INFO ] After 214ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :4
[2023-03-10 21:45:38] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:38] [INFO ] After 256ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :2 sat :4
[2023-03-10 21:45:39] [INFO ] After 632ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :4
Attempting to minimize the solution found.
Minimization took 278 ms.
[2023-03-10 21:45:39] [INFO ] After 1235ms 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 11 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2226
Applied a total of 5 rules in 459 ms. Remains 103 /106 variables (removed 3) and now considering 2226/2228 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 460 ms. Remains : 103/106 places, 2226/2228 transitions.
Incomplete random walk after 10000 steps, including 79 resets, run finished after 282 ms. (steps per millisecond=35 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 33 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 33 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 34 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 251529 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :{1=1}
Probabilistic random walk after 251529 steps, saw 72106 distinct states, run finished after 3003 ms. (steps per millisecond=83 ) properties seen :1
Running SMT prover for 3 properties.
[2023-03-10 21:45:43] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
// Phase 1: matrix 288 rows 103 cols
[2023-03-10 21:45:43] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-10 21:45:43] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:44] [INFO ] After 234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:45:44] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:44] [INFO ] After 220ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:44] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:44] [INFO ] After 171ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:44] [INFO ] After 265ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 80 ms.
[2023-03-10 21:45:44] [INFO ] After 624ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 14 ms.
Support contains 7 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2226/2226 transitions.
Applied a total of 0 rules in 193 ms. Remains 103 /103 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 103/103 places, 2226/2226 transitions.
Incomplete random walk after 10000 steps, including 79 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 32 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 269066 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :{}
Probabilistic random walk after 269066 steps, saw 76821 distinct states, run finished after 3003 ms. (steps per millisecond=89 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 21:45:48] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:45:48] [INFO ] Invariant cache hit.
[2023-03-10 21:45:48] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:48] [INFO ] After 242ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:45:48] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:45:48] [INFO ] After 213ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:48] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:49] [INFO ] After 164ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:49] [INFO ] After 308ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 118 ms.
[2023-03-10 21:45:49] [INFO ] After 713ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 22 ms.
Support contains 7 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2226/2226 transitions.
Applied a total of 0 rules in 321 ms. Remains 103 /103 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 323 ms. Remains : 103/103 places, 2226/2226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2226/2226 transitions.
Applied a total of 0 rules in 236 ms. Remains 103 /103 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
[2023-03-10 21:45:49] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:45:49] [INFO ] Invariant cache hit.
[2023-03-10 21:45:50] [INFO ] Implicit Places using invariants in 316 ms returned []
[2023-03-10 21:45:50] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:45:50] [INFO ] Invariant cache hit.
[2023-03-10 21:45:50] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:52] [INFO ] Implicit Places using invariants and state equation in 1836 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2159 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 102/103 places, 2226/2226 transitions.
Applied a total of 0 rules in 219 ms. Remains 102 /102 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2617 ms. Remains : 102/103 places, 2226/2226 transitions.
Incomplete random walk after 10000 steps, including 79 resets, run finished after 280 ms. (steps per millisecond=35 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 32 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 268519 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :{}
Probabilistic random walk after 268519 steps, saw 76682 distinct states, run finished after 3002 ms. (steps per millisecond=89 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 21:45:55] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
// Phase 1: matrix 288 rows 102 cols
[2023-03-10 21:45:55] [INFO ] Computed 4 place invariants in 7 ms
[2023-03-10 21:45:55] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:56] [INFO ] After 148ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:45:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:45:56] [INFO ] After 132ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:56] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:56] [INFO ] After 401ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:45:56] [INFO ] After 569ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 120 ms.
[2023-03-10 21:45:56] [INFO ] After 875ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 30 ms.
Support contains 7 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 2226/2226 transitions.
Applied a total of 0 rules in 222 ms. Remains 102 /102 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 102/102 places, 2226/2226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 2226/2226 transitions.
Applied a total of 0 rules in 220 ms. Remains 102 /102 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
[2023-03-10 21:45:57] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:45:57] [INFO ] Invariant cache hit.
[2023-03-10 21:45:57] [INFO ] Implicit Places using invariants in 280 ms returned []
[2023-03-10 21:45:57] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:45:57] [INFO ] Invariant cache hit.
[2023-03-10 21:45:57] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:45:58] [INFO ] Implicit Places using invariants and state equation in 1153 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1440 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 101/102 places, 2226/2226 transitions.
Applied a total of 0 rules in 188 ms. Remains 101 /101 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1849 ms. Remains : 101/102 places, 2226/2226 transitions.
Incomplete random walk after 10000 steps, including 79 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 33 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 246570 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :{}
Probabilistic random walk after 246570 steps, saw 70735 distinct states, run finished after 3002 ms. (steps per millisecond=82 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 21:46:02] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
// Phase 1: matrix 288 rows 101 cols
[2023-03-10 21:46:02] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 21:46:02] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:46:02] [INFO ] After 254ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:46:02] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:46:03] [INFO ] After 212ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:46:03] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:03] [INFO ] After 154ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:46:03] [INFO ] After 320ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 162 ms.
[2023-03-10 21:46:03] [INFO ] After 759ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 28 ms.
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2226/2226 transitions.
Applied a total of 0 rules in 197 ms. Remains 101 /101 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 101/101 places, 2226/2226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 2226/2226 transitions.
Applied a total of 0 rules in 180 ms. Remains 101 /101 variables (removed 0) and now considering 2226/2226 (removed 0) transitions.
[2023-03-10 21:46:03] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:46:03] [INFO ] Invariant cache hit.
[2023-03-10 21:46:04] [INFO ] Implicit Places using invariants in 285 ms returned []
[2023-03-10 21:46:04] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:46:04] [INFO ] Invariant cache hit.
[2023-03-10 21:46:04] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:05] [INFO ] Implicit Places using invariants and state equation in 932 ms returned []
Implicit Place search using SMT with State Equation took 1221 ms to find 0 implicit places.
[2023-03-10 21:46:05] [INFO ] Redundant transitions in 134 ms returned []
[2023-03-10 21:46:05] [INFO ] Flow matrix only has 288 transitions (discarded 1938 similar events)
[2023-03-10 21:46:05] [INFO ] Invariant cache hit.
[2023-03-10 21:46:06] [INFO ] Dead Transitions using invariants and state equation in 694 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2242 ms. Remains : 101/101 places, 2226/2226 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 101 transition count 288
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 101 transition count 286
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 99 transition count 286
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1943 place count 99 transition count 286
Applied a total of 1943 rules in 12 ms. Remains 99 /101 variables (removed 2) and now considering 286/2226 (removed 1940) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 286 rows 99 cols
[2023-03-10 21:46:06] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 21:46:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:46:06] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:46:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:46:06] [INFO ] After 79ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:46:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:46:06] [INFO ] After 53ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:46:06] [INFO ] After 121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 78 ms.
[2023-03-10 21:46:06] [INFO ] After 312ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 49 stabilizing places and 84 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((p0 U p1))||G(!p1)))'
Support contains 74 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 8 ms. Remains 106 /106 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:46:07] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:46:07] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:46:07] [INFO ] Dead Transitions using invariants and state equation in 652 ms found 0 transitions.
[2023-03-10 21:46:07] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:46:07] [INFO ] Invariant cache hit.
[2023-03-10 21:46:07] [INFO ] Implicit Places using invariants in 123 ms returned []
[2023-03-10 21:46:07] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:46:07] [INFO ] Invariant cache hit.
[2023-03-10 21:46:07] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:08] [INFO ] Implicit Places using invariants and state equation in 582 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 721 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 8 ms. Remains 104 /104 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1393 ms. Remains : 104/106 places, 2228/2228 transitions.
Stuttering acceptance computed with spot in 314 ms :[true, (NOT p1), false, false, p1]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=p1, acceptance={} source=3 dest: 1}, { cond=(NOT p1), acceptance={} source=3 dest: 2}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 4}]], initial=3, aps=[p1:(OR (AND (GEQ s20 1) (GEQ s25 1) (GEQ s26 1) (GEQ s93 1)) (AND (GEQ s3 1) (GEQ s25 1) (GEQ s26 1) (GEQ s99 1)) (AND (GEQ s13 1) (GEQ s25 1) (GEQ s26 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 104 steps with 0 reset in 17 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-00 finished in 1838 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 73 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 30 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:46:08] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:46:08] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:46:09] [INFO ] Dead Transitions using invariants and state equation in 1135 ms found 0 transitions.
[2023-03-10 21:46:09] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:09] [INFO ] Invariant cache hit.
[2023-03-10 21:46:10] [INFO ] Implicit Places using invariants in 177 ms returned []
[2023-03-10 21:46:10] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:10] [INFO ] Invariant cache hit.
[2023-03-10 21:46:10] [INFO ] Implicit Places using invariants and state equation in 335 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 521 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1723 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 118 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s1 1) (GEQ s24 1) (GEQ s31 1) (GEQ s55 1)) (AND (GEQ s1 1) (GEQ s24 1) (GEQ s28 1) (GEQ s78 1)) (AND (GEQ s1 1) (GEQ s24 1) (GEQ s33 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-01 finished in 1893 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 23 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 779 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:46:11] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:11] [INFO ] Invariant cache hit.
[2023-03-10 21:46:12] [INFO ] Dead Transitions using invariants and state equation in 670 ms found 0 transitions.
[2023-03-10 21:46:12] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:12] [INFO ] Invariant cache hit.
[2023-03-10 21:46:12] [INFO ] Implicit Places using invariants in 262 ms returned []
[2023-03-10 21:46:12] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:12] [INFO ] Invariant cache hit.
[2023-03-10 21:46:12] [INFO ] Implicit Places using invariants and state equation in 466 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 733 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 104/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 215 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2400 ms. Remains : 104/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s23 1) (GEQ s25 1) (GEQ s43 1) (GEQ s47 1)) (AND (GEQ s23 1) (GEQ s25 1) (GEQ s36 1) (GEQ s47 1)) (AND (GEQ s23 1) (GEQ s25 1) (GEQ s41 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1270 reset in 793 ms.
Product exploration explored 100000 steps with 1263 reset in 781 ms.
Computed a total of 47 stabilizing places and 83 stable transitions
Computed a total of 47 stabilizing places and 83 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Finished random walk after 108 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=54 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 156 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0)]
[2023-03-10 21:46:15] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 104 cols
[2023-03-10 21:46:15] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:46:16] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:46:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 21:46:16] [INFO ] [Real]Absence check using state equation in 178 ms returned sat
[2023-03-10 21:46:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 21:46:17] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:46:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 21:46:17] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2023-03-10 21:46:17] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:17] [INFO ] [Nat]Added 102 Read/Feed constraints in 63 ms returned sat
[2023-03-10 21:46:17] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 182 ms.
[2023-03-10 21:46:18] [INFO ] Added : 60 causal constraints over 12 iterations in 468 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 23 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 2227/2227 transitions.
Applied a total of 0 rules in 174 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:46:18] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:18] [INFO ] Invariant cache hit.
[2023-03-10 21:46:18] [INFO ] Dead Transitions using invariants and state equation in 680 ms found 0 transitions.
[2023-03-10 21:46:18] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:18] [INFO ] Invariant cache hit.
[2023-03-10 21:46:19] [INFO ] Implicit Places using invariants in 223 ms returned []
[2023-03-10 21:46:19] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:19] [INFO ] Invariant cache hit.
[2023-03-10 21:46:19] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:19] [INFO ] Implicit Places using invariants and state equation in 777 ms returned []
Implicit Place search using SMT with State Equation took 1002 ms to find 0 implicit places.
[2023-03-10 21:46:20] [INFO ] Redundant transitions in 100 ms returned []
[2023-03-10 21:46:20] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:20] [INFO ] Invariant cache hit.
[2023-03-10 21:46:20] [INFO ] Dead Transitions using invariants and state equation in 780 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2787 ms. Remains : 104/104 places, 2227/2227 transitions.
Computed a total of 47 stabilizing places and 83 stable transitions
Computed a total of 47 stabilizing places and 83 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 147 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Finished random walk after 109 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=36 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 157 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
[2023-03-10 21:46:21] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:21] [INFO ] Invariant cache hit.
[2023-03-10 21:46:23] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:46:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 21:46:23] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2023-03-10 21:46:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 21:46:24] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:46:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 21:46:24] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2023-03-10 21:46:24] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:24] [INFO ] [Nat]Added 102 Read/Feed constraints in 26 ms returned sat
[2023-03-10 21:46:24] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 196 transitions) in 286 ms.
[2023-03-10 21:46:24] [INFO ] Added : 58 causal constraints over 13 iterations in 496 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 165 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1286 reset in 774 ms.
Product exploration explored 100000 steps with 1291 reset in 743 ms.
Support contains 23 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 2227/2227 transitions.
Applied a total of 0 rules in 215 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:46:26] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:26] [INFO ] Invariant cache hit.
[2023-03-10 21:46:27] [INFO ] Dead Transitions using invariants and state equation in 1084 ms found 0 transitions.
[2023-03-10 21:46:27] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:27] [INFO ] Invariant cache hit.
[2023-03-10 21:46:27] [INFO ] Implicit Places using invariants in 211 ms returned []
[2023-03-10 21:46:27] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:27] [INFO ] Invariant cache hit.
[2023-03-10 21:46:28] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:29] [INFO ] Implicit Places using invariants and state equation in 1265 ms returned []
Implicit Place search using SMT with State Equation took 1480 ms to find 0 implicit places.
[2023-03-10 21:46:29] [INFO ] Redundant transitions in 44 ms returned []
[2023-03-10 21:46:29] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:29] [INFO ] Invariant cache hit.
[2023-03-10 21:46:30] [INFO ] Dead Transitions using invariants and state equation in 798 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3655 ms. Remains : 104/104 places, 2227/2227 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-02 finished in 19946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0||G(!p1))) U (p1&&F(p2)&&X(p0))))'
Support contains 77 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 5 ms. Remains 106 /106 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:46:30] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:46:30] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:46:31] [INFO ] Dead Transitions using invariants and state equation in 795 ms found 0 transitions.
[2023-03-10 21:46:31] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:46:31] [INFO ] Invariant cache hit.
[2023-03-10 21:46:31] [INFO ] Implicit Places using invariants in 114 ms returned []
[2023-03-10 21:46:31] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:46:31] [INFO ] Invariant cache hit.
[2023-03-10 21:46:31] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:32] [INFO ] Implicit Places using invariants and state equation in 455 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 571 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 5 ms. Remains 104 /104 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1379 ms. Remains : 104/106 places, 2228/2228 transitions.
Stuttering acceptance computed with spot in 279 ms :[(NOT p0), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p2) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 4}], [{ cond=(NOT p0), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p2) p0), acceptance={} source=1 dest: 5}], [{ cond=(AND p1 p2), acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=(AND p1 p2 p0), acceptance={0} source=3 dest: 0}, { cond=(AND p1 (NOT p2) p0), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 3}, { cond=(NOT p0), acceptance={0} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}]], initial=2, aps=[p0:(GEQ s49 1), p2:(OR (AND (GEQ s23 20) (GEQ s51 1)) (AND (GEQ s23 20) (GEQ s50 1))), p1:(OR (AND (GEQ s1 1) (GEQ s24 1) (GEQ s31 1) (GEQ s56 1)) (AND (G...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-03 finished in 1750 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 23 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 167 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:46:32] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:46:32] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:46:33] [INFO ] Dead Transitions using invariants and state equation in 1203 ms found 0 transitions.
[2023-03-10 21:46:33] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:33] [INFO ] Invariant cache hit.
[2023-03-10 21:46:34] [INFO ] Implicit Places using invariants in 287 ms returned []
[2023-03-10 21:46:34] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:34] [INFO ] Invariant cache hit.
[2023-03-10 21:46:34] [INFO ] Implicit Places using invariants and state equation in 705 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1023 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 104/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 224 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2629 ms. Remains : 104/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (OR (LT s19 1) (LT s22 1) (LT s24 1) (LT s25 1)) (OR (LT s18 1) (LT s22 1) (LT s24 1) (LT s25 1)) (OR (LT s9 1) (LT s22 1) (LT s24 1) (LT s25 1)) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 602 reset in 1116 ms.
Product exploration explored 100000 steps with 602 reset in 1060 ms.
Computed a total of 47 stabilizing places and 83 stable transitions
Computed a total of 47 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 288 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 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 : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 197 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Support contains 23 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 2227/2227 transitions.
Applied a total of 0 rules in 254 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:46:38] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 104 cols
[2023-03-10 21:46:38] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:46:39] [INFO ] Dead Transitions using invariants and state equation in 773 ms found 0 transitions.
[2023-03-10 21:46:39] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:39] [INFO ] Invariant cache hit.
[2023-03-10 21:46:39] [INFO ] Implicit Places using invariants in 322 ms returned []
[2023-03-10 21:46:39] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:39] [INFO ] Invariant cache hit.
[2023-03-10 21:46:39] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:41] [INFO ] Implicit Places using invariants and state equation in 1635 ms returned []
Implicit Place search using SMT with State Equation took 1962 ms to find 0 implicit places.
[2023-03-10 21:46:41] [INFO ] Redundant transitions in 55 ms returned []
[2023-03-10 21:46:41] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:41] [INFO ] Invariant cache hit.
[2023-03-10 21:46:42] [INFO ] Dead Transitions using invariants and state equation in 1101 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4182 ms. Remains : 104/104 places, 2227/2227 transitions.
Computed a total of 47 stabilizing places and 83 stable transitions
Computed a total of 47 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 180 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Finished random walk after 8 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=8 )
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 160 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Product exploration explored 100000 steps with 602 reset in 715 ms.
Product exploration explored 100000 steps with 602 reset in 748 ms.
Support contains 23 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 2227/2227 transitions.
Applied a total of 0 rules in 185 ms. Remains 104 /104 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:46:44] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:44] [INFO ] Invariant cache hit.
[2023-03-10 21:46:45] [INFO ] Dead Transitions using invariants and state equation in 1090 ms found 0 transitions.
[2023-03-10 21:46:45] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:45] [INFO ] Invariant cache hit.
[2023-03-10 21:46:45] [INFO ] Implicit Places using invariants in 301 ms returned []
[2023-03-10 21:46:45] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:45] [INFO ] Invariant cache hit.
[2023-03-10 21:46:45] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:46:47] [INFO ] Implicit Places using invariants and state equation in 1264 ms returned []
Implicit Place search using SMT with State Equation took 1573 ms to find 0 implicit places.
[2023-03-10 21:46:47] [INFO ] Redundant transitions in 43 ms returned []
[2023-03-10 21:46:47] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:46:47] [INFO ] Invariant cache hit.
[2023-03-10 21:46:48] [INFO ] Dead Transitions using invariants and state equation in 1073 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3988 ms. Remains : 104/104 places, 2227/2227 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-04 finished in 16328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(p0) U X(p1)) U p2)))'
Support contains 26 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 6 ms. Remains 106 /106 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:46:48] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:46:48] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-10 21:47:11] [INFO ] Dead Transitions using invariants and state equation in 22884 ms found 0 transitions.
[2023-03-10 21:47:11] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:47:11] [INFO ] Invariant cache hit.
[2023-03-10 21:47:11] [INFO ] Implicit Places using invariants in 266 ms returned []
[2023-03-10 21:47:11] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:47:11] [INFO ] Invariant cache hit.
[2023-03-10 21:47:12] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:12] [INFO ] Implicit Places using invariants and state equation in 1030 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1322 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 11 ms. Remains 104 /104 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24230 ms. Remains : 104/106 places, 2228/2228 transitions.
Stuttering acceptance computed with spot in 358 ms :[(NOT p2), (NOT p2), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={0} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(OR (AND (GEQ s23 20) (GEQ s51 1)) (AND (GEQ s23 20) (GEQ s50 1))), p0:(OR (AND (GEQ s30 1) (GEQ s52 1)) (AND (GEQ s35 1) (GEQ s52 1)) (AND (GEQ s37 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][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 82 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-05 finished in 24633 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 73 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 14 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:47:13] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:47:13] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:47:14] [INFO ] Dead Transitions using invariants and state equation in 848 ms found 0 transitions.
[2023-03-10 21:47:14] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:47:14] [INFO ] Invariant cache hit.
[2023-03-10 21:47:14] [INFO ] Implicit Places using invariants in 171 ms returned []
[2023-03-10 21:47:14] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:47:14] [INFO ] Invariant cache hit.
[2023-03-10 21:47:14] [INFO ] Implicit Places using invariants and state equation in 439 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 615 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1496 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 127 ms :[p0, p0, p0]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=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:(OR (AND (GEQ s20 1) (GEQ s25 1) (GEQ s26 1) (GEQ s92 1)) (AND (GEQ s3 1) (GEQ s25 1) (GEQ s26 1) (GEQ s98 1)) (AND (GEQ s13 1) (GEQ s25 1) (GEQ s26 1)...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 1625 ms.
Product exploration explored 100000 steps with 33333 reset in 1530 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT p0)))
Knowledge based reduction with 2 factoid took 72 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-07 finished in 4895 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)||G(p1)))'
Support contains 6 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2226
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 101 transition count 2224
Applied a total of 9 rules in 213 ms. Remains 101 /106 variables (removed 5) and now considering 2224/2228 (removed 4) transitions.
[2023-03-10 21:47:18] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 101 cols
[2023-03-10 21:47:18] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 21:47:18] [INFO ] Implicit Places using invariants in 319 ms returned []
[2023-03-10 21:47:18] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:18] [INFO ] Invariant cache hit.
[2023-03-10 21:47:18] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:19] [INFO ] Implicit Places using invariants and state equation in 1052 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1381 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 99/106 places, 2224/2228 transitions.
Applied a total of 0 rules in 250 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1846 ms. Remains : 99/106 places, 2224/2228 transitions.
Stuttering acceptance computed with spot in 190 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(OR (LT s31 1) (LT s47 1)), p0:(OR (LT s4 1) (LT s23 1) (LT s24 1) (LT s73 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 802 reset in 1248 ms.
Product exploration explored 100000 steps with 802 reset in 754 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Detected a total of 44/99 stabilizing places and 82/2224 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 695 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 199 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 80 resets, run finished after 529 ms. (steps per millisecond=18 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 217 ms. (steps per millisecond=46 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 32 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 155 ms. (steps per millisecond=64 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-10 21:47:24] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2023-03-10 21:47:24] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-10 21:47:24] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:24] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:2
[2023-03-10 21:47:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:24] [INFO ] After 264ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :2
[2023-03-10 21:47:24] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:24] [INFO ] After 156ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :1 sat :2
[2023-03-10 21:47:25] [INFO ] After 336ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :2
Attempting to minimize the solution found.
Minimization took 99 ms.
[2023-03-10 21:47:25] [INFO ] After 779ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :2
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 45 ms.
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 212 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 213 ms. Remains : 99/99 places, 2224/2224 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 426 ms. (steps per millisecond=23 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 175 ms. (steps per millisecond=57 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 32 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 198579 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :{}
Probabilistic random walk after 198579 steps, saw 57833 distinct states, run finished after 3001 ms. (steps per millisecond=66 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-10 21:47:29] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:29] [INFO ] Invariant cache hit.
[2023-03-10 21:47:29] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:29] [INFO ] After 304ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 21:47:29] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:29] [INFO ] After 372ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 21:47:29] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:30] [INFO ] After 211ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 21:47:30] [INFO ] After 453ms 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 21:47:30] [INFO ] After 1039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 31 ms.
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 225 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 225 ms. Remains : 99/99 places, 2224/2224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 183 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2023-03-10 21:47:31] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:31] [INFO ] Invariant cache hit.
[2023-03-10 21:47:31] [INFO ] Implicit Places using invariants in 286 ms returned []
[2023-03-10 21:47:31] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:31] [INFO ] Invariant cache hit.
[2023-03-10 21:47:31] [INFO ] Implicit Places using invariants and state equation in 405 ms returned []
Implicit Place search using SMT with State Equation took 706 ms to find 0 implicit places.
[2023-03-10 21:47:31] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-10 21:47:31] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:31] [INFO ] Invariant cache hit.
[2023-03-10 21:47:32] [INFO ] Dead Transitions using invariants and state equation in 843 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1802 ms. Remains : 99/99 places, 2224/2224 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 99 transition count 286
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 1939 place count 99 transition count 285
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1940 place count 98 transition count 285
Applied a total of 1940 rules in 10 ms. Remains 98 /99 variables (removed 1) and now considering 285/2224 (removed 1939) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 285 rows 98 cols
[2023-03-10 21:47:32] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:47:32] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:32] [INFO ] After 173ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-10 21:47:32] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:32] [INFO ] After 118ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-10 21:47:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 21:47:33] [INFO ] After 45ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-10 21:47:33] [INFO ] After 160ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 65 ms.
[2023-03-10 21:47:33] [INFO ] After 432ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND p0 p1))), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (OR (G p1) (G (NOT p1)))), (G (NOT (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F (AND p0 (NOT p1))), (F (NOT (AND p0 p1))), (F (NOT p1))]
Knowledge based reduction with 16 factoid took 833 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 132 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 8 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2023-03-10 21:47:34] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2023-03-10 21:47:34] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:47:34] [INFO ] Implicit Places using invariants in 251 ms returned []
[2023-03-10 21:47:34] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:34] [INFO ] Invariant cache hit.
[2023-03-10 21:47:35] [INFO ] Implicit Places using invariants and state equation in 500 ms returned []
Implicit Place search using SMT with State Equation took 768 ms to find 0 implicit places.
[2023-03-10 21:47:35] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:35] [INFO ] Invariant cache hit.
[2023-03-10 21:47:35] [INFO ] Dead Transitions using invariants and state equation in 700 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1478 ms. Remains : 99/99 places, 2224/2224 transitions.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Detected a total of 44/99 stabilizing places and 82/2224 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), true, (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 520 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 116 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Incomplete random walk after 10000 steps, including 80 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10000 steps, including 33 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:47:36] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:36] [INFO ] Invariant cache hit.
[2023-03-10 21:47:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:47:37] [INFO ] After 333ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:47:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:47:37] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:37] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:37] [INFO ] After 172ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:37] [INFO ] After 276ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 29 ms.
[2023-03-10 21:47:37] [INFO ] After 529ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 226 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 231 ms. Remains : 99/99 places, 2224/2224 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 33 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 279702 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :{}
Probabilistic random walk after 279702 steps, saw 79697 distinct states, run finished after 3003 ms. (steps per millisecond=93 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:47:41] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:41] [INFO ] Invariant cache hit.
[2023-03-10 21:47:41] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:41] [INFO ] After 279ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:47:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:41] [INFO ] After 198ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:41] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:47:41] [INFO ] After 195ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:41] [INFO ] After 315ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 34 ms.
[2023-03-10 21:47:41] [INFO ] After 632ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 7 ms.
Support contains 4 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 203 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 99/99 places, 2224/2224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 184 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2023-03-10 21:47:42] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:42] [INFO ] Invariant cache hit.
[2023-03-10 21:47:42] [INFO ] Implicit Places using invariants in 288 ms returned []
[2023-03-10 21:47:42] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:42] [INFO ] Invariant cache hit.
[2023-03-10 21:47:43] [INFO ] Implicit Places using invariants and state equation in 531 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
[2023-03-10 21:47:43] [INFO ] Redundant transitions in 42 ms returned []
[2023-03-10 21:47:43] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:43] [INFO ] Invariant cache hit.
[2023-03-10 21:47:49] [INFO ] Dead Transitions using invariants and state equation in 6037 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7128 ms. Remains : 99/99 places, 2224/2224 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 99 transition count 286
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 99 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 97 transition count 284
Applied a total of 1942 rules in 9 ms. Remains 97 /99 variables (removed 2) and now considering 284/2224 (removed 1940) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 284 rows 97 cols
[2023-03-10 21:47:49] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 21:47:49] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:47:49] [INFO ] After 192ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:47:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:47:49] [INFO ] After 141ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:47:49] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:47:49] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-10 21:47:49] [INFO ] After 229ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), true, (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F (NOT p1))]
Knowledge based reduction with 9 factoid took 574 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 190 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 140 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 802 reset in 866 ms.
Product exploration explored 100000 steps with 802 reset in 804 ms.
Applying partial POR strategy [true, false, true, true]
Stuttering acceptance computed with spot in 126 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 236 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2023-03-10 21:47:53] [INFO ] Redundant transitions in 81 ms returned []
[2023-03-10 21:47:53] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2023-03-10 21:47:53] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 21:47:54] [INFO ] Dead Transitions using invariants and state equation in 941 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1308 ms. Remains : 99/99 places, 2224/2224 transitions.
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2023-03-10 21:47:54] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:54] [INFO ] Invariant cache hit.
[2023-03-10 21:47:54] [INFO ] Implicit Places using invariants in 236 ms returned []
[2023-03-10 21:47:54] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:54] [INFO ] Invariant cache hit.
[2023-03-10 21:47:54] [INFO ] Implicit Places using invariants and state equation in 402 ms returned []
Implicit Place search using SMT with State Equation took 648 ms to find 0 implicit places.
[2023-03-10 21:47:54] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2023-03-10 21:47:54] [INFO ] Invariant cache hit.
[2023-03-10 21:47:55] [INFO ] Dead Transitions using invariants and state equation in 663 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1321 ms. Remains : 99/99 places, 2224/2224 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-08 finished in 37317 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 13 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:47:55] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:47:55] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:47:56] [INFO ] Dead Transitions using invariants and state equation in 920 ms found 0 transitions.
[2023-03-10 21:47:56] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:47:56] [INFO ] Invariant cache hit.
[2023-03-10 21:47:56] [INFO ] Implicit Places using invariants in 327 ms returned []
[2023-03-10 21:47:56] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:47:56] [INFO ] Invariant cache hit.
[2023-03-10 21:47:57] [INFO ] Implicit Places using invariants and state equation in 564 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 896 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 11 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1843 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s23 20) (LT s50 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 781 ms.
Product exploration explored 100000 steps with 50000 reset in 728 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-09 finished in 3580 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 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 105 transition count 2227
Applied a total of 2 rules in 217 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:47:59] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:47:59] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:48:00] [INFO ] Dead Transitions using invariants and state equation in 770 ms found 0 transitions.
[2023-03-10 21:48:00] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:00] [INFO ] Invariant cache hit.
[2023-03-10 21:48:00] [INFO ] Implicit Places using invariants in 280 ms returned []
[2023-03-10 21:48:00] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:00] [INFO ] Invariant cache hit.
[2023-03-10 21:48:00] [INFO ] Implicit Places using invariants and state equation in 497 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 779 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 207 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1976 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 227 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s22 1), p1:(AND (GEQ s1 1) (GEQ s24 1) (GEQ s27 1) (GEQ s69 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 147 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-11 finished in 2224 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(!p0)||G((X(F(p2))||p1))))))'
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 8 ms. Remains 106 /106 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:01] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:48:01] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:48:02] [INFO ] Dead Transitions using invariants and state equation in 929 ms found 0 transitions.
[2023-03-10 21:48:02] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:02] [INFO ] Invariant cache hit.
[2023-03-10 21:48:02] [INFO ] Implicit Places using invariants in 292 ms returned []
[2023-03-10 21:48:02] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:02] [INFO ] Invariant cache hit.
[2023-03-10 21:48:02] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:03] [INFO ] Implicit Places using invariants and state equation in 791 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 105/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 8 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2046 ms. Remains : 105/106 places, 2228/2228 transitions.
Stuttering acceptance computed with spot in 361 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p2) p1 p0), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 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=true, acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p0 (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}, { cond=p0, acceptance={} source=3 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 4}, { cond=(NOT p0), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (LT s15 1) (LT s22 1) (LT s24 1) (LT s25 1)), p0:(GEQ s50 1), p2:(OR (LT s15 1) (LT s22 1) (LT s24 1) (LT s25 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][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 24989 reset in 773 ms.
Product exploration explored 100000 steps with 24990 reset in 792 ms.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2228 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p1), true, (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 283 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 284 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p2) p1 p0), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 288 ms. (steps per millisecond=34 ) properties (out of 6) seen :4
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-10 21:48:06] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:48:06] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:48:06] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:48:06] [INFO ] After 200ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-10 21:48:06] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:48:06] [INFO ] After 137ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-10 21:48:06] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:07] [INFO ] After 82ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-10 21:48:07] [INFO ] After 148ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 102 ms.
[2023-03-10 21:48:07] [INFO ] After 470ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 215 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:07] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:07] [INFO ] Invariant cache hit.
[2023-03-10 21:48:08] [INFO ] Dead Transitions using invariants and state equation in 833 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1049 ms. Remains : 105/105 places, 2228/2228 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 362065 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :{}
Probabilistic random walk after 362065 steps, saw 93000 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:48:11] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:11] [INFO ] Invariant cache hit.
[2023-03-10 21:48:11] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:48:11] [INFO ] After 208ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:11] [INFO ] After 129ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:11] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:11] [INFO ] After 77ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:11] [INFO ] After 141ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 99 ms.
[2023-03-10 21:48:12] [INFO ] After 466ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 193 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 105/105 places, 2228/2228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 180 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:12] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:12] [INFO ] Invariant cache hit.
[2023-03-10 21:48:12] [INFO ] Implicit Places using invariants in 356 ms returned []
[2023-03-10 21:48:12] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:12] [INFO ] Invariant cache hit.
[2023-03-10 21:48:12] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:14] [INFO ] Implicit Places using invariants and state equation in 1532 ms returned []
Implicit Place search using SMT with State Equation took 1899 ms to find 0 implicit places.
[2023-03-10 21:48:14] [INFO ] Redundant transitions in 44 ms returned []
[2023-03-10 21:48:14] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:14] [INFO ] Invariant cache hit.
[2023-03-10 21:48:15] [INFO ] Dead Transitions using invariants and state equation in 1071 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3230 ms. Remains : 105/105 places, 2228/2228 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 105 transition count 290
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 103 transition count 288
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 1943 place count 103 transition count 287
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1944 place count 102 transition count 287
Applied a total of 1944 rules in 11 ms. Remains 102 /105 variables (removed 3) and now considering 287/2228 (removed 1941) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 287 rows 102 cols
[2023-03-10 21:48:15] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:48:15] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:15] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:15] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:15] [INFO ] After 85ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 21:48:15] [INFO ] After 28ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:15] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 62 ms.
[2023-03-10 21:48:15] [INFO ] After 237ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p1), true, (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p1 p0 (NOT p2))))]
False Knowledge obtained : [(F (NOT p2)), (F p0), (F (AND (NOT p1) (NOT p0))), (F (NOT p1))]
Knowledge based reduction with 9 factoid took 638 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 235 ms :[(AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1))]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 6 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:16] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:48:16] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:48:17] [INFO ] Dead Transitions using invariants and state equation in 639 ms found 0 transitions.
[2023-03-10 21:48:17] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:17] [INFO ] Invariant cache hit.
[2023-03-10 21:48:17] [INFO ] Implicit Places using invariants in 319 ms returned []
[2023-03-10 21:48:17] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:17] [INFO ] Invariant cache hit.
[2023-03-10 21:48:18] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:19] [INFO ] Implicit Places using invariants and state equation in 1460 ms returned []
Implicit Place search using SMT with State Equation took 1782 ms to find 0 implicit places.
[2023-03-10 21:48:19] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:19] [INFO ] Invariant cache hit.
[2023-03-10 21:48:20] [INFO ] Dead Transitions using invariants and state equation in 707 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3151 ms. Remains : 105/105 places, 2228/2228 transitions.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2228 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 p2), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 145 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 4) seen :3
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:48:20] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:20] [INFO ] Invariant cache hit.
[2023-03-10 21:48:20] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:48:20] [INFO ] After 194ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:20] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:48:21] [INFO ] After 98ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:21] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:21] [INFO ] After 60ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:21] [INFO ] After 126ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 74 ms.
[2023-03-10 21:48:21] [INFO ] After 353ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 267 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:21] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:21] [INFO ] Invariant cache hit.
[2023-03-10 21:48:22] [INFO ] Dead Transitions using invariants and state equation in 712 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 983 ms. Remains : 105/105 places, 2228/2228 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 307744 steps, run timeout after 3001 ms. (steps per millisecond=102 ) properties seen :{}
Probabilistic random walk after 307744 steps, saw 79956 distinct states, run finished after 3001 ms. (steps per millisecond=102 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:48:25] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:25] [INFO ] Invariant cache hit.
[2023-03-10 21:48:25] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:48:25] [INFO ] After 190ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:25] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:25] [INFO ] After 126ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:25] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:25] [INFO ] After 79ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:25] [INFO ] After 150ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 92 ms.
[2023-03-10 21:48:26] [INFO ] After 431ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 198 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 105/105 places, 2228/2228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 211 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:26] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:26] [INFO ] Invariant cache hit.
[2023-03-10 21:48:26] [INFO ] Implicit Places using invariants in 333 ms returned []
[2023-03-10 21:48:26] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:26] [INFO ] Invariant cache hit.
[2023-03-10 21:48:26] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:28] [INFO ] Implicit Places using invariants and state equation in 1286 ms returned []
Implicit Place search using SMT with State Equation took 1636 ms to find 0 implicit places.
[2023-03-10 21:48:28] [INFO ] Redundant transitions in 52 ms returned []
[2023-03-10 21:48:28] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:28] [INFO ] Invariant cache hit.
[2023-03-10 21:48:28] [INFO ] Dead Transitions using invariants and state equation in 733 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2644 ms. Remains : 105/105 places, 2228/2228 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 105 transition count 290
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 103 transition count 288
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 1943 place count 103 transition count 287
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1944 place count 102 transition count 287
Applied a total of 1944 rules in 11 ms. Remains 102 /105 variables (removed 3) and now considering 287/2228 (removed 1941) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 287 rows 102 cols
[2023-03-10 21:48:28] [INFO ] Computed 5 place invariants in 10 ms
[2023-03-10 21:48:28] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:29] [INFO ] After 185ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:29] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:48:29] [INFO ] After 65ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:29] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 21:48:29] [INFO ] After 15ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:29] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 55 ms.
[2023-03-10 21:48:29] [INFO ] After 221ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) p1 p2), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p0))), (F (NOT p2)), (F p0)]
Knowledge based reduction with 5 factoid took 392 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 24947 reset in 728 ms.
Product exploration explored 100000 steps with 24980 reset in 748 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 513 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 239 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:32] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:48:32] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:48:33] [INFO ] Dead Transitions using invariants and state equation in 748 ms found 0 transitions.
[2023-03-10 21:48:33] [INFO ] Redundant transitions in 53 ms returned []
[2023-03-10 21:48:33] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:33] [INFO ] Invariant cache hit.
[2023-03-10 21:48:34] [INFO ] Dead Transitions using invariants and state equation in 947 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2023 ms. Remains : 105/105 places, 2228/2228 transitions.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 6 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:48:34] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:34] [INFO ] Invariant cache hit.
[2023-03-10 21:48:35] [INFO ] Dead Transitions using invariants and state equation in 711 ms found 0 transitions.
[2023-03-10 21:48:35] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:35] [INFO ] Invariant cache hit.
[2023-03-10 21:48:35] [INFO ] Implicit Places using invariants in 336 ms returned []
[2023-03-10 21:48:35] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:35] [INFO ] Invariant cache hit.
[2023-03-10 21:48:35] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:37] [INFO ] Implicit Places using invariants and state equation in 1685 ms returned []
Implicit Place search using SMT with State Equation took 2027 ms to find 0 implicit places.
[2023-03-10 21:48:37] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:48:37] [INFO ] Invariant cache hit.
[2023-03-10 21:48:38] [INFO ] Dead Transitions using invariants and state equation in 841 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3605 ms. Remains : 105/105 places, 2228/2228 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 finished in 36947 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 195 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:48:38] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:48:38] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:48:39] [INFO ] Dead Transitions using invariants and state equation in 759 ms found 0 transitions.
[2023-03-10 21:48:39] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:39] [INFO ] Invariant cache hit.
[2023-03-10 21:48:39] [INFO ] Implicit Places using invariants in 342 ms returned []
[2023-03-10 21:48:39] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:39] [INFO ] Invariant cache hit.
[2023-03-10 21:48:40] [INFO ] Implicit Places using invariants and state equation in 774 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1137 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 202 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2297 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 92 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s44 1) (GEQ s51 1)), p1:(GEQ s48 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 144 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-13 finished in 2432 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||F(p1)))))'
Support contains 4 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 273 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:48:41] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2023-03-10 21:48:41] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:48:41] [INFO ] Dead Transitions using invariants and state equation in 863 ms found 0 transitions.
[2023-03-10 21:48:41] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:41] [INFO ] Invariant cache hit.
[2023-03-10 21:48:42] [INFO ] Implicit Places using invariants in 369 ms returned []
[2023-03-10 21:48:42] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:42] [INFO ] Invariant cache hit.
[2023-03-10 21:48:42] [INFO ] Implicit Places using invariants and state equation in 522 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 896 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 250 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2299 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s23 20) (GEQ s49 1)), p1:(AND (GEQ s48 1) (GEQ s102 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 164 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-14 finished in 2473 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Applied a total of 2 rules in 23 ms. Remains 105 /106 variables (removed 1) and now considering 2227/2228 (removed 1) transitions.
[2023-03-10 21:48:43] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:43] [INFO ] Invariant cache hit.
[2023-03-10 21:48:44] [INFO ] Dead Transitions using invariants and state equation in 796 ms found 0 transitions.
[2023-03-10 21:48:44] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:44] [INFO ] Invariant cache hit.
[2023-03-10 21:48:44] [INFO ] Implicit Places using invariants in 242 ms returned []
[2023-03-10 21:48:44] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:44] [INFO ] Invariant cache hit.
[2023-03-10 21:48:44] [INFO ] Implicit Places using invariants and state equation in 527 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 787 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/106 places, 2227/2228 transitions.
Applied a total of 0 rules in 6 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1613 ms. Remains : 103/106 places, 2227/2228 transitions.
Stuttering acceptance computed with spot in 93 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s47 1) (LT s102 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 602 reset in 620 ms.
Product exploration explored 100000 steps with 602 reset in 638 ms.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 173 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 386834 steps, run timeout after 3001 ms. (steps per millisecond=128 ) properties seen :{}
Probabilistic random walk after 386834 steps, saw 98951 distinct states, run finished after 3001 ms. (steps per millisecond=128 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:48:49] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2023-03-10 21:48:49] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:48:49] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 21:48:49] [INFO ] After 207ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:49] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:49] [INFO ] After 125ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:50] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:50] [INFO ] After 39ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:50] [INFO ] After 83ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-10 21:48:50] [INFO ] After 298ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2227/2227 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 101 transition count 2226
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 100 transition count 2225
Applied a total of 5 rules in 210 ms. Remains 100 /103 variables (removed 3) and now considering 2225/2227 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 211 ms. Remains : 100/103 places, 2225/2227 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 296547 steps, run timeout after 3001 ms. (steps per millisecond=98 ) properties seen :{}
Probabilistic random walk after 296547 steps, saw 84999 distinct states, run finished after 3001 ms. (steps per millisecond=98 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:48:53] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 100 cols
[2023-03-10 21:48:53] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:48:53] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:53] [INFO ] After 243ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:53] [INFO ] After 171ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:54] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:54] [INFO ] After 62ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:54] [INFO ] After 101ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-10 21:48:54] [INFO ] After 360ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 202 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 100/100 places, 2225/2225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 247 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:48:54] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:48:54] [INFO ] Invariant cache hit.
[2023-03-10 21:48:54] [INFO ] Implicit Places using invariants in 290 ms returned []
[2023-03-10 21:48:54] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:48:54] [INFO ] Invariant cache hit.
[2023-03-10 21:48:55] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:48:56] [INFO ] Implicit Places using invariants and state equation in 1467 ms returned []
Implicit Place search using SMT with State Equation took 1774 ms to find 0 implicit places.
[2023-03-10 21:48:56] [INFO ] Redundant transitions in 50 ms returned []
[2023-03-10 21:48:56] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:48:56] [INFO ] Invariant cache hit.
[2023-03-10 21:48:57] [INFO ] Dead Transitions using invariants and state equation in 832 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2953 ms. Remains : 100/100 places, 2225/2225 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 100 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 100 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 98 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1943 place count 98 transition count 285
Applied a total of 1943 rules in 18 ms. Remains 98 /100 variables (removed 2) and now considering 285/2225 (removed 1940) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 285 rows 98 cols
[2023-03-10 21:48:57] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:48:57] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:48:57] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:48:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:48:57] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:48:57] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:48:57] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-10 21:48:57] [INFO ] After 146ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 220 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 2227/2227 transitions.
Applied a total of 0 rules in 10 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:48:58] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2023-03-10 21:48:58] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:48:58] [INFO ] Dead Transitions using invariants and state equation in 772 ms found 0 transitions.
[2023-03-10 21:48:58] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:58] [INFO ] Invariant cache hit.
[2023-03-10 21:48:59] [INFO ] Implicit Places using invariants in 313 ms returned []
[2023-03-10 21:48:59] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:48:59] [INFO ] Invariant cache hit.
[2023-03-10 21:48:59] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:00] [INFO ] Implicit Places using invariants and state equation in 1213 ms returned []
Implicit Place search using SMT with State Equation took 1534 ms to find 0 implicit places.
[2023-03-10 21:49:00] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:00] [INFO ] Invariant cache hit.
[2023-03-10 21:49:01] [INFO ] Dead Transitions using invariants and state equation in 851 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3171 ms. Remains : 103/103 places, 2227/2227 transitions.
Computed a total of 46 stabilizing places and 83 stable transitions
Computed a total of 46 stabilizing places and 83 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 1034 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 369643 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :{}
Probabilistic random walk after 369643 steps, saw 94865 distinct states, run finished after 3001 ms. (steps per millisecond=123 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:49:05] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:05] [INFO ] Invariant cache hit.
[2023-03-10 21:49:05] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:05] [INFO ] After 168ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:05] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:06] [INFO ] After 204ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:06] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:06] [INFO ] After 41ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:06] [INFO ] After 88ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 41 ms.
[2023-03-10 21:49:06] [INFO ] After 428ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 2227/2227 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 101 transition count 2226
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 100 transition count 2225
Applied a total of 5 rules in 255 ms. Remains 100 /103 variables (removed 3) and now considering 2225/2227 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 257 ms. Remains : 100/103 places, 2225/2227 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 42 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 362817 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :{}
Probabilistic random walk after 362817 steps, saw 102405 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:49:09] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 100 cols
[2023-03-10 21:49:09] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 21:49:09] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:09] [INFO ] After 216ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:09] [INFO ] After 148ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:10] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:10] [INFO ] After 45ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:10] [INFO ] After 81ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-10 21:49:10] [INFO ] After 302ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 224 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 224 ms. Remains : 100/100 places, 2225/2225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 232 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:49:10] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:49:10] [INFO ] Invariant cache hit.
[2023-03-10 21:49:10] [INFO ] Implicit Places using invariants in 405 ms returned []
[2023-03-10 21:49:10] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:49:10] [INFO ] Invariant cache hit.
[2023-03-10 21:49:11] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:12] [INFO ] Implicit Places using invariants and state equation in 1042 ms returned []
Implicit Place search using SMT with State Equation took 1454 ms to find 0 implicit places.
[2023-03-10 21:49:12] [INFO ] Redundant transitions in 41 ms returned []
[2023-03-10 21:49:12] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:49:12] [INFO ] Invariant cache hit.
[2023-03-10 21:49:12] [INFO ] Dead Transitions using invariants and state equation in 703 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2444 ms. Remains : 100/100 places, 2225/2225 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 100 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 100 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 98 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1943 place count 98 transition count 285
Applied a total of 1943 rules in 12 ms. Remains 98 /100 variables (removed 2) and now considering 285/2225 (removed 1940) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 285 rows 98 cols
[2023-03-10 21:49:12] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:49:12] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:12] [INFO ] After 93ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:12] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:49:12] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:13] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-10 21:49:13] [INFO ] After 122ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 149 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 50 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 602 reset in 612 ms.
Product exploration explored 100000 steps with 602 reset in 639 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 115 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 2227/2227 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 103 transition count 2227
Deduced a syphon composed of 1 places in 2 ms
Applied a total of 1 rules in 226 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:49:15] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2023-03-10 21:49:15] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:49:16] [INFO ] Dead Transitions using invariants and state equation in 1196 ms found 0 transitions.
[2023-03-10 21:49:16] [INFO ] Redundant transitions in 42 ms returned []
[2023-03-10 21:49:16] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:16] [INFO ] Invariant cache hit.
[2023-03-10 21:49:17] [INFO ] Dead Transitions using invariants and state equation in 849 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/103 places, 2227/2227 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2333 ms. Remains : 103/103 places, 2227/2227 transitions.
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 2227/2227 transitions.
Applied a total of 0 rules in 7 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2023-03-10 21:49:17] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2023-03-10 21:49:17] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:49:17] [INFO ] Dead Transitions using invariants and state equation in 614 ms found 0 transitions.
[2023-03-10 21:49:17] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:17] [INFO ] Invariant cache hit.
[2023-03-10 21:49:18] [INFO ] Implicit Places using invariants in 240 ms returned []
[2023-03-10 21:49:18] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:18] [INFO ] Invariant cache hit.
[2023-03-10 21:49:18] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:19] [INFO ] Implicit Places using invariants and state equation in 1350 ms returned []
Implicit Place search using SMT with State Equation took 1618 ms to find 0 implicit places.
[2023-03-10 21:49:19] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
[2023-03-10 21:49:19] [INFO ] Invariant cache hit.
[2023-03-10 21:49:20] [INFO ] Dead Transitions using invariants and state equation in 1042 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3295 ms. Remains : 103/103 places, 2227/2227 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 finished in 37560 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||G(p1)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(!p0)||G((X(F(p2))||p1))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-12
Stuttering acceptance computed with spot in 281 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p2) p1 p0), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 33 ms. Remains 106 /106 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:21] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 106 cols
[2023-03-10 21:49:21] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:49:22] [INFO ] Dead Transitions using invariants and state equation in 898 ms found 0 transitions.
[2023-03-10 21:49:22] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:22] [INFO ] Invariant cache hit.
[2023-03-10 21:49:22] [INFO ] Implicit Places using invariants in 230 ms returned []
[2023-03-10 21:49:22] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:22] [INFO ] Invariant cache hit.
[2023-03-10 21:49:22] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:23] [INFO ] Implicit Places using invariants and state equation in 805 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1051 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 105/106 places, 2228/2228 transitions.
Applied a total of 0 rules in 19 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 2003 ms. Remains : 105/106 places, 2228/2228 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 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=true, acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p0 (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}, { cond=p0, acceptance={} source=3 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 4}, { cond=(NOT p0), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (LT s15 1) (LT s22 1) (LT s24 1) (LT s25 1)), p0:(GEQ s50 1), p2:(OR (LT s15 1) (LT s22 1) (LT s24 1) (LT s25 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 24979 reset in 906 ms.
Product exploration explored 100000 steps with 25049 reset in 765 ms.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2228 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p1), true, (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 478 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 389 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p2) p1 p0), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 187 ms. (steps per millisecond=53 ) properties (out of 6) seen :4
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-10 21:49:26] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:49:26] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:49:26] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:26] [INFO ] After 182ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-10 21:49:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:26] [INFO ] After 136ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-10 21:49:26] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:26] [INFO ] After 76ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-10 21:49:26] [INFO ] After 146ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-10 21:49:26] [INFO ] After 425ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 275 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:27] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:27] [INFO ] Invariant cache hit.
[2023-03-10 21:49:28] [INFO ] Dead Transitions using invariants and state equation in 1227 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1508 ms. Remains : 105/105 places, 2228/2228 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 291436 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :{}
Probabilistic random walk after 291436 steps, saw 75842 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:49:31] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:31] [INFO ] Invariant cache hit.
[2023-03-10 21:49:31] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:31] [INFO ] After 175ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:31] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:31] [INFO ] After 140ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:31] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:32] [INFO ] After 82ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:32] [INFO ] After 160ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 100 ms.
[2023-03-10 21:49:32] [INFO ] After 468ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 219 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 219 ms. Remains : 105/105 places, 2228/2228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 194 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:32] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:32] [INFO ] Invariant cache hit.
[2023-03-10 21:49:33] [INFO ] Implicit Places using invariants in 347 ms returned []
[2023-03-10 21:49:33] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:33] [INFO ] Invariant cache hit.
[2023-03-10 21:49:33] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:34] [INFO ] Implicit Places using invariants and state equation in 1226 ms returned []
Implicit Place search using SMT with State Equation took 1577 ms to find 0 implicit places.
[2023-03-10 21:49:34] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-10 21:49:34] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:34] [INFO ] Invariant cache hit.
[2023-03-10 21:49:35] [INFO ] Dead Transitions using invariants and state equation in 923 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2762 ms. Remains : 105/105 places, 2228/2228 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 105 transition count 290
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 103 transition count 288
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 1943 place count 103 transition count 287
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1944 place count 102 transition count 287
Applied a total of 1944 rules in 10 ms. Remains 102 /105 variables (removed 3) and now considering 287/2228 (removed 1941) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 287 rows 102 cols
[2023-03-10 21:49:35] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:49:35] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:35] [INFO ] After 96ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:35] [INFO ] After 115ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 21:49:35] [INFO ] After 23ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:35] [INFO ] After 64ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-10 21:49:35] [INFO ] After 344ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p1), true, (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (G (NOT (AND p1 p0 (NOT p2))))]
False Knowledge obtained : [(F (NOT p2)), (F p0), (F (AND (NOT p1) (NOT p0))), (F (NOT p1))]
Knowledge based reduction with 9 factoid took 713 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[(AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 413 ms :[(AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1))]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 7 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:37] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:49:37] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:49:38] [INFO ] Dead Transitions using invariants and state equation in 1459 ms found 0 transitions.
[2023-03-10 21:49:38] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:38] [INFO ] Invariant cache hit.
[2023-03-10 21:49:38] [INFO ] Implicit Places using invariants in 296 ms returned []
[2023-03-10 21:49:38] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:38] [INFO ] Invariant cache hit.
[2023-03-10 21:49:39] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:40] [INFO ] Implicit Places using invariants and state equation in 1082 ms returned []
Implicit Place search using SMT with State Equation took 1394 ms to find 0 implicit places.
[2023-03-10 21:49:40] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:40] [INFO ] Invariant cache hit.
[2023-03-10 21:49:41] [INFO ] Dead Transitions using invariants and state equation in 1024 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3896 ms. Remains : 105/105 places, 2228/2228 transitions.
Computed a total of 48 stabilizing places and 84 stable transitions
Computed a total of 48 stabilizing places and 84 stable transitions
Detected a total of 48/105 stabilizing places and 84/2228 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 p2), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 145 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 4) seen :3
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:49:41] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:41] [INFO ] Invariant cache hit.
[2023-03-10 21:49:41] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:41] [INFO ] After 234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:42] [INFO ] After 143ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:42] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:42] [INFO ] After 120ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:42] [INFO ] After 199ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 104 ms.
[2023-03-10 21:49:42] [INFO ] After 560ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 281 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:42] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:42] [INFO ] Invariant cache hit.
[2023-03-10 21:49:43] [INFO ] Dead Transitions using invariants and state equation in 873 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1159 ms. Remains : 105/105 places, 2228/2228 transitions.
Incomplete random walk after 10000 steps, including 57 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 357776 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :{}
Probabilistic random walk after 357776 steps, saw 92047 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:49:46] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:46] [INFO ] Invariant cache hit.
[2023-03-10 21:49:46] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:46] [INFO ] After 193ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:47] [INFO ] After 121ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:47] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:47] [INFO ] After 82ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:47] [INFO ] After 162ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 123 ms.
[2023-03-10 21:49:47] [INFO ] After 473ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 253 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 105/105 places, 2228/2228 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 203 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:47] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:47] [INFO ] Invariant cache hit.
[2023-03-10 21:49:48] [INFO ] Implicit Places using invariants in 328 ms returned []
[2023-03-10 21:49:48] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:48] [INFO ] Invariant cache hit.
[2023-03-10 21:49:48] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:49] [INFO ] Implicit Places using invariants and state equation in 875 ms returned []
Implicit Place search using SMT with State Equation took 1205 ms to find 0 implicit places.
[2023-03-10 21:49:49] [INFO ] Redundant transitions in 75 ms returned []
[2023-03-10 21:49:49] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:49] [INFO ] Invariant cache hit.
[2023-03-10 21:49:49] [INFO ] Dead Transitions using invariants and state equation in 795 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2285 ms. Remains : 105/105 places, 2228/2228 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 105 transition count 290
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 103 transition count 288
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 1943 place count 103 transition count 287
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1944 place count 102 transition count 287
Applied a total of 1944 rules in 13 ms. Remains 102 /105 variables (removed 3) and now considering 287/2228 (removed 1941) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 287 rows 102 cols
[2023-03-10 21:49:49] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 21:49:50] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-10 21:49:50] [INFO ] After 154ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:49:50] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:49:50] [INFO ] After 89ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 21:49:50] [INFO ] After 17ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:49:50] [INFO ] After 40ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 54 ms.
[2023-03-10 21:49:50] [INFO ] After 254ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p0) p1 p2), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p0))), (F (NOT p2)), (F p0)]
Knowledge based reduction with 5 factoid took 186 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 255 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 300 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 282 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 24909 reset in 719 ms.
Product exploration explored 100000 steps with 24940 reset in 720 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 253 ms :[(AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (AND (NOT p1) p0 (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0))]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 267 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:53] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 105 cols
[2023-03-10 21:49:53] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:49:54] [INFO ] Dead Transitions using invariants and state equation in 761 ms found 0 transitions.
[2023-03-10 21:49:54] [INFO ] Redundant transitions in 41 ms returned []
[2023-03-10 21:49:54] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:54] [INFO ] Invariant cache hit.
[2023-03-10 21:49:54] [INFO ] Dead Transitions using invariants and state equation in 666 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1753 ms. Remains : 105/105 places, 2228/2228 transitions.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 2228/2228 transitions.
Applied a total of 0 rules in 5 ms. Remains 105 /105 variables (removed 0) and now considering 2228/2228 (removed 0) transitions.
[2023-03-10 21:49:54] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:54] [INFO ] Invariant cache hit.
[2023-03-10 21:49:55] [INFO ] Dead Transitions using invariants and state equation in 726 ms found 0 transitions.
[2023-03-10 21:49:55] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:55] [INFO ] Invariant cache hit.
[2023-03-10 21:49:56] [INFO ] Implicit Places using invariants in 323 ms returned []
[2023-03-10 21:49:56] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:56] [INFO ] Invariant cache hit.
[2023-03-10 21:49:56] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:56] [INFO ] Implicit Places using invariants and state equation in 812 ms returned []
Implicit Place search using SMT with State Equation took 1137 ms to find 0 implicit places.
[2023-03-10 21:49:56] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
[2023-03-10 21:49:56] [INFO ] Invariant cache hit.
[2023-03-10 21:49:57] [INFO ] Dead Transitions using invariants and state equation in 742 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2613 ms. Remains : 105/105 places, 2228/2228 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-12 finished in 36747 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-15
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 106/106 places, 2228/2228 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 2227
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 103 transition count 2226
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 7 place count 102 transition count 2225
Applied a total of 7 rules in 50 ms. Remains 102 /106 variables (removed 4) and now considering 2225/2228 (removed 3) transitions.
[2023-03-10 21:49:58] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 102 cols
[2023-03-10 21:49:58] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:49:58] [INFO ] Implicit Places using invariants in 318 ms returned []
[2023-03-10 21:49:58] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:49:58] [INFO ] Invariant cache hit.
[2023-03-10 21:49:58] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:49:59] [INFO ] Implicit Places using invariants and state equation in 1034 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1363 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 100/106 places, 2225/2228 transitions.
Applied a total of 0 rules in 32 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1445 ms. Remains : 100/106 places, 2225/2228 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s45 1) (LT s99 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 799 reset in 957 ms.
Product exploration explored 100000 steps with 799 reset in 726 ms.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 185 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 80 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 343466 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :{}
Probabilistic random walk after 343466 steps, saw 97231 distinct states, run finished after 3013 ms. (steps per millisecond=113 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:50:04] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 100 cols
[2023-03-10 21:50:04] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 21:50:04] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:04] [INFO ] After 282ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:04] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:50:05] [INFO ] After 182ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:05] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:05] [INFO ] After 52ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:05] [INFO ] After 91ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-10 21:50:05] [INFO ] After 372ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 222 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 100/100 places, 2225/2225 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 340507 steps, run timeout after 3001 ms. (steps per millisecond=113 ) properties seen :{}
Probabilistic random walk after 340507 steps, saw 96374 distinct states, run finished after 3001 ms. (steps per millisecond=113 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:50:08] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:08] [INFO ] Invariant cache hit.
[2023-03-10 21:50:08] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:08] [INFO ] After 250ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:09] [INFO ] After 214ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:09] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:09] [INFO ] After 84ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:09] [INFO ] After 136ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 29 ms.
[2023-03-10 21:50:09] [INFO ] After 496ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 238 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241 ms. Remains : 100/100 places, 2225/2225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 216 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:50:09] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:09] [INFO ] Invariant cache hit.
[2023-03-10 21:50:10] [INFO ] Implicit Places using invariants in 349 ms returned []
[2023-03-10 21:50:10] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:10] [INFO ] Invariant cache hit.
[2023-03-10 21:50:10] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:11] [INFO ] Implicit Places using invariants and state equation in 1432 ms returned []
Implicit Place search using SMT with State Equation took 1784 ms to find 0 implicit places.
[2023-03-10 21:50:11] [INFO ] Redundant transitions in 73 ms returned []
[2023-03-10 21:50:11] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:11] [INFO ] Invariant cache hit.
[2023-03-10 21:50:12] [INFO ] Dead Transitions using invariants and state equation in 757 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2866 ms. Remains : 100/100 places, 2225/2225 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 100 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 100 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 98 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1943 place count 98 transition count 285
Applied a total of 1943 rules in 11 ms. Remains 98 /100 variables (removed 2) and now considering 285/2225 (removed 1940) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 285 rows 98 cols
[2023-03-10 21:50:12] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:50:12] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:12] [INFO ] After 107ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:12] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:50:12] [INFO ] After 8ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:12] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-10 21:50:12] [INFO ] After 195ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 167 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 54 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 12 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:50:13] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 100 cols
[2023-03-10 21:50:13] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 21:50:13] [INFO ] Implicit Places using invariants in 290 ms returned []
[2023-03-10 21:50:13] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:13] [INFO ] Invariant cache hit.
[2023-03-10 21:50:13] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:14] [INFO ] Implicit Places using invariants and state equation in 944 ms returned []
Implicit Place search using SMT with State Equation took 1239 ms to find 0 implicit places.
[2023-03-10 21:50:14] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:14] [INFO ] Invariant cache hit.
[2023-03-10 21:50:15] [INFO ] Dead Transitions using invariants and state equation in 795 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2050 ms. Remains : 100/100 places, 2225/2225 transitions.
Computed a total of 44 stabilizing places and 82 stable transitions
Computed a total of 44 stabilizing places and 82 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 164 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 80 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 352157 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :{}
Probabilistic random walk after 352157 steps, saw 99536 distinct states, run finished after 3002 ms. (steps per millisecond=117 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:50:18] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:18] [INFO ] Invariant cache hit.
[2023-03-10 21:50:18] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:19] [INFO ] After 240ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:19] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:50:19] [INFO ] After 186ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:19] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:19] [INFO ] After 66ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:19] [INFO ] After 115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 30 ms.
[2023-03-10 21:50:19] [INFO ] After 418ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 227 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 231 ms. Remains : 100/100 places, 2225/2225 transitions.
Incomplete random walk after 10000 steps, including 80 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 314840 steps, run timeout after 3001 ms. (steps per millisecond=104 ) properties seen :{}
Probabilistic random walk after 314840 steps, saw 89703 distinct states, run finished after 3001 ms. (steps per millisecond=104 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 21:50:22] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:22] [INFO ] Invariant cache hit.
[2023-03-10 21:50:22] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:50:23] [INFO ] After 241ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:23] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:23] [INFO ] After 198ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:23] [INFO ] After 54ms SMT Verify possible using 102 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:23] [INFO ] After 97ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 36 ms.
[2023-03-10 21:50:23] [INFO ] After 424ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 195 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 100/100 places, 2225/2225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 170 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:50:23] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:23] [INFO ] Invariant cache hit.
[2023-03-10 21:50:24] [INFO ] Implicit Places using invariants in 372 ms returned []
[2023-03-10 21:50:24] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:24] [INFO ] Invariant cache hit.
[2023-03-10 21:50:24] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:25] [INFO ] Implicit Places using invariants and state equation in 1030 ms returned []
Implicit Place search using SMT with State Equation took 1419 ms to find 0 implicit places.
[2023-03-10 21:50:25] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-10 21:50:25] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:25] [INFO ] Invariant cache hit.
[2023-03-10 21:50:26] [INFO ] Dead Transitions using invariants and state equation in 708 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2395 ms. Remains : 100/100 places, 2225/2225 transitions.
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 100 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1940 place count 100 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1942 place count 98 transition count 285
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 1943 place count 98 transition count 285
Applied a total of 1943 rules in 10 ms. Remains 98 /100 variables (removed 2) and now considering 285/2225 (removed 1940) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 285 rows 98 cols
[2023-03-10 21:50:26] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 21:50:26] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:26] [INFO ] After 140ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 21:50:26] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:50:26] [INFO ] After 79ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:26] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 21:50:26] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 21:50:26] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-10 21:50:26] [INFO ] After 170ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 212 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 91 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 800 reset in 980 ms.
Product exploration explored 100000 steps with 799 reset in 728 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 253 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:50:29] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-10 21:50:29] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
// Phase 1: matrix 287 rows 100 cols
[2023-03-10 21:50:29] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 21:50:30] [INFO ] Dead Transitions using invariants and state equation in 782 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1130 ms. Remains : 100/100 places, 2225/2225 transitions.
Support contains 2 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 2225/2225 transitions.
Applied a total of 0 rules in 6 ms. Remains 100 /100 variables (removed 0) and now considering 2225/2225 (removed 0) transitions.
[2023-03-10 21:50:30] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:30] [INFO ] Invariant cache hit.
[2023-03-10 21:50:30] [INFO ] Implicit Places using invariants in 396 ms returned []
[2023-03-10 21:50:30] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:30] [INFO ] Invariant cache hit.
[2023-03-10 21:50:30] [INFO ] State equation strengthened by 102 read => feed constraints.
[2023-03-10 21:50:32] [INFO ] Implicit Places using invariants and state equation in 1403 ms returned []
Implicit Place search using SMT with State Equation took 1814 ms to find 0 implicit places.
[2023-03-10 21:50:32] [INFO ] Flow matrix only has 287 transitions (discarded 1938 similar events)
[2023-03-10 21:50:32] [INFO ] Invariant cache hit.
[2023-03-10 21:50:32] [INFO ] Dead Transitions using invariants and state equation in 863 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2700 ms. Remains : 100/100 places, 2225/2225 transitions.
Treatment of property BridgeAndVehicles-PT-V20P20N50-LTLFireability-15 finished in 35339 ms.
[2023-03-10 21:50:33] [INFO ] Flatten gal took : 72 ms
[2023-03-10 21:50:33] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-10 21:50:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 106 places, 2228 transitions and 17188 arcs took 12 ms.
Total runtime 302023 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-PT-V20P20N50
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
LTLFireability

FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V20P20N50-LTLFireability-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678485471504

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
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lola: result : false
lola: markings : 117924
lola: fired transitions : 385082
lola: time used : 2.000000
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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-V20P20N50"
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-V20P20N50, 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-167813692200220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N50.tgz
mv BridgeAndVehicles-PT-V20P20N50 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 ;