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-167813692200236.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-V50P20N20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692200236
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.3M
-rw-r--r-- 1 mcc users 22K Feb 25 12:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 25 12:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 210K Feb 25 12:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 818K Feb 25 12:19 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 18K Feb 25 15:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 15:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 108K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 319K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 33K Feb 25 12:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 186K Feb 25 12:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 314K Feb 25 12:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.2M Feb 25 12:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.4K 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-V50P20N20-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678485575140

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-V50P20N20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 21:59:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 21:59:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 21:59:37] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2023-03-10 21:59:37] [INFO ] Transformed 138 places.
[2023-03-10 21:59:37] [INFO ] Transformed 2348 transitions.
[2023-03-10 21:59:37] [INFO ] Parsed PT model containing 138 places and 2348 transitions and 18090 arcs in 220 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 135 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 2348/2348 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 136 transition count 2348
Applied a total of 2 rules in 40 ms. Remains 136 /138 variables (removed 2) and now considering 2348/2348 (removed 0) transitions.
[2023-03-10 21:59:37] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 136 cols
[2023-03-10 21:59:37] [INFO ] Computed 5 place invariants in 14 ms
[2023-03-10 21:59:38] [INFO ] Dead Transitions using invariants and state equation in 882 ms found 0 transitions.
[2023-03-10 21:59:38] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 21:59:38] [INFO ] Invariant cache hit.
[2023-03-10 21:59:38] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-10 21:59:38] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 21:59:38] [INFO ] Invariant cache hit.
[2023-03-10 21:59:38] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 21:59:38] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2023-03-10 21:59:38] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 21:59:38] [INFO ] Invariant cache hit.
[2023-03-10 21:59:39] [INFO ] Dead Transitions using invariants and state equation in 645 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 136/138 places, 2348/2348 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1780 ms. Remains : 136/138 places, 2348/2348 transitions.
Support contains 135 out of 136 places after structural reductions.
[2023-03-10 21:59:39] [INFO ] Flatten gal took : 202 ms
[2023-03-10 21:59:39] [INFO ] Flatten gal took : 143 ms
[2023-03-10 21:59:40] [INFO ] Input system was already deterministic with 2348 transitions.
Incomplete random walk after 10000 steps, including 23 resets, run finished after 563 ms. (steps per millisecond=17 ) properties (out of 19) seen :14
Incomplete Best-First random walk after 10000 steps, including 8 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-10 21:59:41] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 21:59:41] [INFO ] Invariant cache hit.
[2023-03-10 21:59:41] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:59:41] [INFO ] After 209ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:3
[2023-03-10 21:59:41] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 21:59:41] [INFO ] After 109ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-10 21:59:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 21:59:41] [INFO ] After 150ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :1 sat :3
[2023-03-10 21:59:42] [INFO ] After 469ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :3
Attempting to minimize the solution found.
Minimization took 9248 ms.
[2023-03-10 21:59:51] [INFO ] After 9900ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :2
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 23 ms.
Support contains 10 out of 136 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 133 transition count 2346
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 131 transition count 2344
Applied a total of 9 rules in 458 ms. Remains 131 /136 variables (removed 5) and now considering 2344/2348 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 459 ms. Remains : 131/136 places, 2344/2348 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 170 ms. (steps per millisecond=58 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 240029 steps, run timeout after 3001 ms. (steps per millisecond=79 ) properties seen :{}
Probabilistic random walk after 240029 steps, saw 77423 distinct states, run finished after 3002 ms. (steps per millisecond=79 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 21:59:55] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2023-03-10 21:59:55] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-10 21:59:55] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 21:59:55] [INFO ] After 168ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 21:59:55] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 21:59:55] [INFO ] After 111ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 21:59:55] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 21:59:55] [INFO ] After 204ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 21:59:56] [INFO ] After 662ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 476 ms.
[2023-03-10 21:59:56] [INFO ] After 1313ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 24 ms.
Support contains 10 out of 131 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 131/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 244 ms. Remains 131 /131 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 244 ms. Remains : 131/131 places, 2344/2344 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 131/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 309 ms. Remains 131 /131 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 21:59:57] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 21:59:57] [INFO ] Invariant cache hit.
[2023-03-10 21:59:57] [INFO ] Implicit Places using invariants in 235 ms returned []
[2023-03-10 21:59:57] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 21:59:57] [INFO ] Invariant cache hit.
[2023-03-10 21:59:57] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 21:59:58] [INFO ] Implicit Places using invariants and state equation in 780 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1022 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 129/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 181 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1513 ms. Remains : 129/131 places, 2344/2344 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 148 ms. (steps per millisecond=67 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 251985 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :{}
Probabilistic random walk after 251985 steps, saw 80363 distinct states, run finished after 3006 ms. (steps per millisecond=83 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 22:00:02] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2023-03-10 22:00:02] [INFO ] Computed 4 place invariants in 9 ms
[2023-03-10 22:00:02] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:02] [INFO ] After 179ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 22:00:02] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:02] [INFO ] After 148ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 22:00:02] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:02] [INFO ] After 273ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 22:00:03] [INFO ] After 970ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 504 ms.
[2023-03-10 22:00:04] [INFO ] After 1713ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 19 ms.
Support contains 10 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 242 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 243 ms. Remains : 129/129 places, 2344/2344 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 224 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 22:00:04] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:00:04] [INFO ] Invariant cache hit.
[2023-03-10 22:00:04] [INFO ] Implicit Places using invariants in 249 ms returned []
[2023-03-10 22:00:04] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:00:04] [INFO ] Invariant cache hit.
[2023-03-10 22:00:04] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:05] [INFO ] Implicit Places using invariants and state equation in 825 ms returned []
Implicit Place search using SMT with State Equation took 1076 ms to find 0 implicit places.
[2023-03-10 22:00:05] [INFO ] Redundant transitions in 171 ms returned []
[2023-03-10 22:00:05] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:00:05] [INFO ] Invariant cache hit.
[2023-03-10 22:00:06] [INFO ] Dead Transitions using invariants and state equation in 752 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2231 ms. Remains : 129/129 places, 2344/2344 transitions.
Ensure Unique test removed 2058 transitions
Reduce isomorphic transitions removed 2058 transitions.
Iterating post reduction 0 with 2058 rules applied. Total rules applied 2058 place count 129 transition count 286
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2060 place count 129 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 2062 place count 127 transition count 284
Applied a total of 2062 rules in 12 ms. Remains 127 /129 variables (removed 2) and now considering 284/2344 (removed 2060) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 284 rows 127 cols
[2023-03-10 22:00:06] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 22:00:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:00:06] [INFO ] After 112ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 22:00:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:00:06] [INFO ] After 86ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 22:00:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:00:06] [INFO ] After 25ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 22:00:06] [INFO ] After 65ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 29 ms.
[2023-03-10 22:00:06] [INFO ] After 222ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 109 stabilizing places and 204 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!X(!G(!p0)) U p1))'
Support contains 125 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 18 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:00:07] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:00:07] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-10 22:00:07] [INFO ] Dead Transitions using invariants and state equation in 673 ms found 0 transitions.
[2023-03-10 22:00:07] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:07] [INFO ] Invariant cache hit.
[2023-03-10 22:00:07] [INFO ] Implicit Places using invariants in 107 ms returned []
[2023-03-10 22:00:07] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:07] [INFO ] Invariant cache hit.
[2023-03-10 22:00:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:08] [INFO ] Implicit Places using invariants and state equation in 392 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 510 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 18 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1221 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 256 ms :[p0, true, (NOT p1), (OR (NOT p1) p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=p0, acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p0:(OR (AND (GEQ s33 1) (GEQ s55 1) (GEQ s56 1) (GEQ s116 1)) (AND (GEQ s37 1) (GEQ s55 1) (GEQ s56 1) (GEQ s128 1)) (AND (GEQ s38 1) (GEQ s55 1) (GEQ s56...], 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 381 steps with 0 reset in 56 ms.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-00 finished in 1617 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U X(p1))&&((X(G(!p3))||p2) U X(p4))))'
Support contains 129 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 23 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:00:08] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:08] [INFO ] Invariant cache hit.
[2023-03-10 22:00:09] [INFO ] Dead Transitions using invariants and state equation in 593 ms found 0 transitions.
[2023-03-10 22:00:09] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:09] [INFO ] Invariant cache hit.
[2023-03-10 22:00:09] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-10 22:00:09] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:09] [INFO ] Invariant cache hit.
[2023-03-10 22:00:09] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:09] [INFO ] Implicit Places using invariants and state equation in 256 ms returned []
Implicit Place search using SMT with State Equation took 341 ms to find 0 implicit places.
[2023-03-10 22:00:09] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:09] [INFO ] Invariant cache hit.
[2023-03-10 22:00:10] [INFO ] Dead Transitions using invariants and state equation in 1226 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 135/136 places, 2347/2348 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2184 ms. Remains : 135/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 251 ms :[(OR (NOT p1) (NOT p4)), (NOT p1), (NOT p1), (AND p3 (NOT p4)), (NOT p4), true, p3]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}, { cond=(NOT p2), acceptance={} source=0 dest: 3}, { cond=true, acceptance={} source=0 dest: 4}], [{ cond=(NOT p1), acceptance={} source=1 dest: 5}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p4) p3), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p4) (NOT p3)), acceptance={} source=3 dest: 6}], [{ cond=(AND (NOT p2) (NOT p4)), acceptance={0} source=4 dest: 3}, { cond=(NOT p4), acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=p3, acceptance={} source=6 dest: 5}, { cond=(NOT p3), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(OR (AND (GEQ s54 1) (GEQ s56 1) (GEQ s65 1) (GEQ s108 1)) (AND (GEQ s54 1) (GEQ s56 1) (GEQ s104 1) (GEQ s108 1)) (AND (GEQ s54 1) (GEQ s56 1) (GEQ s8...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 16 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-03 finished in 2478 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F((G(F(!p2))&&p1)))))'
Support contains 58 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 15 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:00:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:11] [INFO ] Invariant cache hit.
[2023-03-10 22:00:11] [INFO ] Dead Transitions using invariants and state equation in 684 ms found 0 transitions.
[2023-03-10 22:00:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:11] [INFO ] Invariant cache hit.
[2023-03-10 22:00:12] [INFO ] Implicit Places using invariants in 200 ms returned []
[2023-03-10 22:00:12] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:12] [INFO ] Invariant cache hit.
[2023-03-10 22:00:12] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:12] [INFO ] Implicit Places using invariants and state equation in 614 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 824 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 9 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1535 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 210 ms :[(OR (NOT p1) (NOT p0) p2), (NOT p0), (OR (NOT p1) p2), p2, p2, (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 3}, { cond=true, acceptance={} source=2 dest: 4}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=p2, acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(OR (AND (GEQ s54 20) (GEQ s111 1)) (AND (GEQ s54 20) (GEQ s110 1))), p2:(OR (AND (GEQ s7 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s26 1) (GEQ...], 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 1413 reset in 797 ms.
Product exploration explored 100000 steps with 1373 reset in 641 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 403 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 132 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=44 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 7 factoid took 412 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 22:00:15] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 22:00:15] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-10 22:00:16] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:00:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:16] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2023-03-10 22:00:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:00:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:00:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:16] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2023-03-10 22:00:16] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:17] [INFO ] [Nat]Added 42 Read/Feed constraints in 466 ms returned sat
[2023-03-10 22:00:17] [INFO ] Deduced a trap composed of 5 places in 318 ms of which 1 ms to minimize.
[2023-03-10 22:00:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1120 ms
[2023-03-10 22:00:18] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 139 ms.
[2023-03-10 22:00:18] [INFO ] Added : 49 causal constraints over 11 iterations in 469 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 11 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:00:18] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:18] [INFO ] Invariant cache hit.
[2023-03-10 22:00:19] [INFO ] Dead Transitions using invariants and state equation in 738 ms found 0 transitions.
[2023-03-10 22:00:19] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:19] [INFO ] Invariant cache hit.
[2023-03-10 22:00:19] [INFO ] Implicit Places using invariants in 310 ms returned []
[2023-03-10 22:00:19] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:19] [INFO ] Invariant cache hit.
[2023-03-10 22:00:20] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:20] [INFO ] Implicit Places using invariants and state equation in 684 ms returned []
Implicit Place search using SMT with State Equation took 996 ms to find 0 implicit places.
[2023-03-10 22:00:20] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:20] [INFO ] Invariant cache hit.
[2023-03-10 22:00:21] [INFO ] Dead Transitions using invariants and state equation in 813 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2567 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge based reduction with 5 factoid took 217 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 132 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=44 )
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 5 factoid took 242 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 178 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 22:00:22] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:22] [INFO ] Invariant cache hit.
[2023-03-10 22:00:22] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:00:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:22] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2023-03-10 22:00:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:00:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:00:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:23] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2023-03-10 22:00:23] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:23] [INFO ] [Nat]Added 42 Read/Feed constraints in 201 ms returned sat
[2023-03-10 22:00:24] [INFO ] Deduced a trap composed of 5 places in 340 ms of which 0 ms to minimize.
[2023-03-10 22:00:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1162 ms
[2023-03-10 22:00:25] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 199 ms.
[2023-03-10 22:00:25] [INFO ] Added : 34 causal constraints over 9 iterations in 422 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Product exploration explored 100000 steps with 1429 reset in 705 ms.
Product exploration explored 100000 steps with 1408 reset in 597 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 482 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:00:27] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:27] [INFO ] Invariant cache hit.
[2023-03-10 22:00:28] [INFO ] Dead Transitions using invariants and state equation in 678 ms found 0 transitions.
[2023-03-10 22:00:28] [INFO ] Redundant transitions in 40 ms returned []
[2023-03-10 22:00:28] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:28] [INFO ] Invariant cache hit.
[2023-03-10 22:00:28] [INFO ] Dead Transitions using invariants and state equation in 624 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1837 ms. Remains : 134/134 places, 2347/2347 transitions.
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 10 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:00:28] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:28] [INFO ] Invariant cache hit.
[2023-03-10 22:00:29] [INFO ] Dead Transitions using invariants and state equation in 586 ms found 0 transitions.
[2023-03-10 22:00:29] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:29] [INFO ] Invariant cache hit.
[2023-03-10 22:00:29] [INFO ] Implicit Places using invariants in 219 ms returned []
[2023-03-10 22:00:29] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:29] [INFO ] Invariant cache hit.
[2023-03-10 22:00:29] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:33] [INFO ] Implicit Places using invariants and state equation in 4346 ms returned []
Implicit Place search using SMT with State Equation took 4568 ms to find 0 implicit places.
[2023-03-10 22:00:33] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:34] [INFO ] Invariant cache hit.
[2023-03-10 22:00:34] [INFO ] Dead Transitions using invariants and state equation in 776 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5953 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 finished in 24052 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((!p0||(!p1 U (p2||G(!p1)))))))))'
Support contains 75 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 16 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 366 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:00:35] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:00:35] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 22:00:36] [INFO ] Dead Transitions using invariants and state equation in 795 ms found 0 transitions.
[2023-03-10 22:00:36] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:36] [INFO ] Invariant cache hit.
[2023-03-10 22:00:36] [INFO ] Implicit Places using invariants in 255 ms returned []
[2023-03-10 22:00:36] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:36] [INFO ] Invariant cache hit.
[2023-03-10 22:00:36] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:37] [INFO ] Implicit Places using invariants and state equation in 714 ms returned [52, 107]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 978 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 133/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 353 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2496 ms. Remains : 133/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0, 1} source=1 dest: 1}], [{ cond=(OR (NOT p0) p2 (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={0, 1} source=2 dest: 2}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={1} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=3 dest: 2}, { cond=(AND p0 (NOT p2) p1), acceptance={0, 1} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={1} source=3 dest: 3}]], initial=0, aps=[p0:(OR (AND (GEQ s106 1) (GEQ s114 1)) (AND (GEQ s107 1) (GEQ s127 1)) (AND (GEQ s106 1) (GEQ s113 1)) (AND (GEQ s107 1) (GEQ s126 1)) (AND (GEQ s106 1) (...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 649 reset in 1247 ms.
Product exploration explored 100000 steps with 646 reset in 1054 ms.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Detected a total of 106/133 stabilizing places and 203/2347 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (AND p0 (NOT p2) p1)), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT p0)), (X p0), (X (OR (NOT p0) p2 (NOT p1))), (X (NOT (OR (NOT p0) p2 (NOT p1)))), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT (OR (NOT p0) p2 (NOT p1))))), (X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1))))]
Knowledge based reduction with 7 factoid took 974 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
Finished random walk after 217 steps, including 0 resets, run visited all 6 properties in 7 ms. (steps per millisecond=31 )
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (AND p0 (NOT p2) p1)), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT p0)), (X p0), (X (OR (NOT p0) p2 (NOT p1))), (X (NOT (OR (NOT p0) p2 (NOT p1)))), (X (AND (NOT p0) (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT p0))), (X (X p0)), (X (X (OR (NOT p0) p2 (NOT p1)))), (X (X (NOT (OR (NOT p0) p2 (NOT p1))))), (X (X (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (F (AND (NOT p0) p1 (NOT p2))), (F (AND p0 (NOT p1) (NOT p2))), (F (AND (NOT p0) (NOT p1) (NOT p2))), (F (NOT p0)), (F (NOT (AND p0 p1 (NOT p2)))), (F (OR (NOT p0) (NOT p1) p2))]
Knowledge based reduction with 7 factoid took 934 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 187 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
Stuttering acceptance computed with spot in 192 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 p1 (NOT p2)), (AND p0 p1 (NOT p2))]
[2023-03-10 22:00:42] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 133 cols
[2023-03-10 22:00:42] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-10 22:00:44] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:44] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2023-03-10 22:00:44] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:00:45] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:45] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2023-03-10 22:00:45] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:46] [INFO ] [Nat]Added 42 Read/Feed constraints in 475 ms returned sat
[2023-03-10 22:00:46] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 85 ms.
[2023-03-10 22:00:46] [INFO ] Added : 21 causal constraints over 6 iterations in 470 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Support contains 75 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 2347/2347 transitions.
Applied a total of 0 rules in 350 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:00:46] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:46] [INFO ] Invariant cache hit.
[2023-03-10 22:00:47] [INFO ] Dead Transitions using invariants and state equation in 861 ms found 0 transitions.
[2023-03-10 22:00:47] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:47] [INFO ] Invariant cache hit.
[2023-03-10 22:00:47] [INFO ] Implicit Places using invariants in 166 ms returned []
[2023-03-10 22:00:47] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:47] [INFO ] Invariant cache hit.
[2023-03-10 22:00:48] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:48] [INFO ] Implicit Places using invariants and state equation in 742 ms returned []
Implicit Place search using SMT with State Equation took 919 ms to find 0 implicit places.
[2023-03-10 22:00:48] [INFO ] Redundant transitions in 154 ms returned []
[2023-03-10 22:00:48] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:48] [INFO ] Invariant cache hit.
[2023-03-10 22:00:49] [INFO ] Dead Transitions using invariants and state equation in 725 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3028 ms. Remains : 133/133 places, 2347/2347 transitions.
Computed a total of 106 stabilizing places and 203 stable transitions
Computed a total of 106 stabilizing places and 203 stable transitions
Detected a total of 106/133 stabilizing places and 203/2347 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (AND p0 p1 (NOT p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X (OR (NOT p0) (NOT p1) p2)), (X (NOT (OR (NOT p0) (NOT p1) p2))), (X (NOT p0)), (X p0), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (NOT p0) (NOT p1) p2))), (X (X (NOT (OR (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2)))))]
Knowledge based reduction with 6 factoid took 370 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Finished random walk after 161 steps, including 0 resets, run visited all 6 properties in 7 ms. (steps per millisecond=23 )
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (AND p0 p1 (NOT p2))), (X (NOT (AND p0 p1 (NOT p2)))), (X (OR (NOT p0) (NOT p1) p2)), (X (NOT (OR (NOT p0) (NOT p1) p2))), (X (NOT p0)), (X p0), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (OR (NOT p0) (NOT p1) p2))), (X (X (NOT (OR (NOT p0) (NOT p1) p2)))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (F (AND (NOT p0) (NOT p2) p1)), (F (AND p0 (NOT p2) (NOT p1))), (F (AND (NOT p0) (NOT p2) (NOT p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2) p1))), (F (OR (NOT p0) p2 (NOT p1)))]
Knowledge based reduction with 6 factoid took 688 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
[2023-03-10 22:00:51] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:51] [INFO ] Invariant cache hit.
[2023-03-10 22:00:52] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:52] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2023-03-10 22:00:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:00:53] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-10 22:00:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:00:53] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2023-03-10 22:00:53] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:54] [INFO ] [Nat]Added 42 Read/Feed constraints in 448 ms returned sat
[2023-03-10 22:00:54] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 92 ms.
[2023-03-10 22:00:54] [INFO ] Added : 17 causal constraints over 4 iterations in 339 ms. Result :sat
Could not prove EG (AND p1 (NOT p2))
Stuttering acceptance computed with spot in 238 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND p0 (NOT p2) p1), (AND p0 (NOT p2) p1)]
Product exploration explored 100000 steps with 662 reset in 1226 ms.
Product exploration explored 100000 steps with 660 reset in 1079 ms.
Support contains 75 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 2347/2347 transitions.
Applied a total of 0 rules in 257 ms. Remains 133 /133 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:00:57] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:57] [INFO ] Invariant cache hit.
[2023-03-10 22:00:58] [INFO ] Dead Transitions using invariants and state equation in 776 ms found 0 transitions.
[2023-03-10 22:00:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:58] [INFO ] Invariant cache hit.
[2023-03-10 22:00:58] [INFO ] Implicit Places using invariants in 225 ms returned []
[2023-03-10 22:00:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:58] [INFO ] Invariant cache hit.
[2023-03-10 22:00:58] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:00:58] [INFO ] Implicit Places using invariants and state equation in 581 ms returned []
Implicit Place search using SMT with State Equation took 821 ms to find 0 implicit places.
[2023-03-10 22:00:58] [INFO ] Redundant transitions in 76 ms returned []
[2023-03-10 22:00:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:00:58] [INFO ] Invariant cache hit.
[2023-03-10 22:00:59] [INFO ] Dead Transitions using invariants and state equation in 927 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2878 ms. Remains : 133/133 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-07 finished in 24975 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 9 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 16 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:01:00] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:01:00] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:01:01] [INFO ] Dead Transitions using invariants and state equation in 748 ms found 0 transitions.
[2023-03-10 22:01:01] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:01] [INFO ] Invariant cache hit.
[2023-03-10 22:01:01] [INFO ] Implicit Places using invariants in 318 ms returned []
[2023-03-10 22:01:01] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:01] [INFO ] Invariant cache hit.
[2023-03-10 22:01:01] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:02] [INFO ] Implicit Places using invariants and state equation in 759 ms returned []
Implicit Place search using SMT with State Equation took 1084 ms to find 0 implicit places.
[2023-03-10 22:01:02] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:02] [INFO ] Invariant cache hit.
[2023-03-10 22:01:02] [INFO ] Dead Transitions using invariants and state equation in 735 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 135/136 places, 2347/2348 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2590 ms. Remains : 135/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-09 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:(AND (OR (LT s10 1) (LT s52 1) (LT s54 1) (LT s55 1)) (OR (LT s54 1) (LT s56 1) (LT s70 1) (LT s108 1) (AND (GEQ s110 1) (GEQ s117 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 332 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-09 finished in 2688 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 133 transition count 2346
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 132 transition count 2345
Applied a total of 7 rules in 246 ms. Remains 132 /136 variables (removed 4) and now considering 2345/2348 (removed 3) transitions.
[2023-03-10 22:01:03] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
// Phase 1: matrix 287 rows 132 cols
[2023-03-10 22:01:03] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 22:01:03] [INFO ] Implicit Places using invariants in 325 ms returned []
[2023-03-10 22:01:03] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:03] [INFO ] Invariant cache hit.
[2023-03-10 22:01:03] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:04] [INFO ] Implicit Places using invariants and state equation in 670 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1014 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 130/136 places, 2345/2348 transitions.
Applied a total of 0 rules in 204 ms. Remains 130 /130 variables (removed 0) and now considering 2345/2345 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1466 ms. Remains : 130/136 places, 2345/2348 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s106 1) (GEQ s129 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 594 reset in 554 ms.
Product exploration explored 100000 steps with 595 reset in 550 ms.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 144 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Finished random walk after 182 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=45 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 22 ms :[(NOT p0)]
[2023-03-10 22:01:05] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
// Phase 1: matrix 287 rows 130 cols
[2023-03-10 22:01:05] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 22:01:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:01:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:06] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2023-03-10 22:01:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:01:07] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:07] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2023-03-10 22:01:07] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:07] [INFO ] [Nat]Added 42 Read/Feed constraints in 163 ms returned sat
[2023-03-10 22:01:07] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 164 transitions) in 89 ms.
[2023-03-10 22:01:07] [INFO ] Added : 24 causal constraints over 6 iterations in 266 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 130 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 130/130 places, 2345/2345 transitions.
Applied a total of 0 rules in 208 ms. Remains 130 /130 variables (removed 0) and now considering 2345/2345 (removed 0) transitions.
[2023-03-10 22:01:07] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:07] [INFO ] Invariant cache hit.
[2023-03-10 22:01:08] [INFO ] Implicit Places using invariants in 295 ms returned []
[2023-03-10 22:01:08] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:08] [INFO ] Invariant cache hit.
[2023-03-10 22:01:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:09] [INFO ] Implicit Places using invariants and state equation in 1223 ms returned []
Implicit Place search using SMT with State Equation took 1528 ms to find 0 implicit places.
[2023-03-10 22:01:09] [INFO ] Redundant transitions in 56 ms returned []
[2023-03-10 22:01:09] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:09] [INFO ] Invariant cache hit.
[2023-03-10 22:01:10] [INFO ] Dead Transitions using invariants and state equation in 688 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2493 ms. Remains : 130/130 places, 2345/2345 transitions.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Finished random walk after 182 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=45 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 160 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-10 22:01:10] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:10] [INFO ] Invariant cache hit.
[2023-03-10 22:01:11] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:11] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2023-03-10 22:01:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:01:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:12] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2023-03-10 22:01:12] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:13] [INFO ] [Nat]Added 42 Read/Feed constraints in 1509 ms returned sat
[2023-03-10 22:01:13] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 164 transitions) in 83 ms.
[2023-03-10 22:01:14] [INFO ] Added : 24 causal constraints over 5 iterations in 284 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Product exploration explored 100000 steps with 597 reset in 713 ms.
Product exploration explored 100000 steps with 592 reset in 544 ms.
Support contains 2 out of 130 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 130/130 places, 2345/2345 transitions.
Applied a total of 0 rules in 191 ms. Remains 130 /130 variables (removed 0) and now considering 2345/2345 (removed 0) transitions.
[2023-03-10 22:01:15] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:15] [INFO ] Invariant cache hit.
[2023-03-10 22:01:15] [INFO ] Implicit Places using invariants in 319 ms returned []
[2023-03-10 22:01:15] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:15] [INFO ] Invariant cache hit.
[2023-03-10 22:01:16] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:17] [INFO ] Implicit Places using invariants and state equation in 1127 ms returned []
Implicit Place search using SMT with State Equation took 1449 ms to find 0 implicit places.
[2023-03-10 22:01:17] [INFO ] Redundant transitions in 85 ms returned []
[2023-03-10 22:01:17] [INFO ] Flow matrix only has 287 transitions (discarded 2058 similar events)
[2023-03-10 22:01:17] [INFO ] Invariant cache hit.
[2023-03-10 22:01:18] [INFO ] Dead Transitions using invariants and state equation in 849 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2585 ms. Remains : 130/130 places, 2345/2345 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-10 finished in 15224 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 4 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 133 transition count 2346
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 131 transition count 2344
Applied a total of 9 rules in 280 ms. Remains 131 /136 variables (removed 5) and now considering 2344/2348 (removed 4) transitions.
[2023-03-10 22:01:18] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2023-03-10 22:01:18] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 22:01:18] [INFO ] Implicit Places using invariants in 240 ms returned []
[2023-03-10 22:01:18] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:18] [INFO ] Invariant cache hit.
[2023-03-10 22:01:18] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:19] [INFO ] Implicit Places using invariants and state equation in 778 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1022 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 129/136 places, 2344/2348 transitions.
Applied a total of 0 rules in 225 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1541 ms. Remains : 129/136 places, 2344/2348 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s1 1) (LT s52 1) (LT s64 1) (LT s127 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 323 reset in 995 ms.
Product exploration explored 100000 steps with 323 reset in 739 ms.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 157 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 38 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 32 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 291018 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :{}
Probabilistic random walk after 291018 steps, saw 91678 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:01:24] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2023-03-10 22:01:24] [INFO ] Computed 4 place invariants in 15 ms
[2023-03-10 22:01:24] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:25] [INFO ] After 159ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:25] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:25] [INFO ] After 90ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:25] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:25] [INFO ] After 42ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:25] [INFO ] After 76ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-10 22:01:25] [INFO ] After 251ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 193 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 129/129 places, 2344/2344 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 251244 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :{}
Probabilistic random walk after 251244 steps, saw 80183 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:01:28] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:28] [INFO ] Invariant cache hit.
[2023-03-10 22:01:28] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:28] [INFO ] After 160ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-10 22:01:29] [INFO ] After 124ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:29] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:29] [INFO ] After 54ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:29] [INFO ] After 112ms 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 22:01:29] [INFO ] After 349ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 240 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241 ms. Remains : 129/129 places, 2344/2344 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 235 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 22:01:29] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:29] [INFO ] Invariant cache hit.
[2023-03-10 22:01:29] [INFO ] Implicit Places using invariants in 262 ms returned []
[2023-03-10 22:01:29] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:29] [INFO ] Invariant cache hit.
[2023-03-10 22:01:30] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:30] [INFO ] Implicit Places using invariants and state equation in 914 ms returned []
Implicit Place search using SMT with State Equation took 1177 ms to find 0 implicit places.
[2023-03-10 22:01:30] [INFO ] Redundant transitions in 91 ms returned []
[2023-03-10 22:01:30] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:30] [INFO ] Invariant cache hit.
[2023-03-10 22:01:31] [INFO ] Dead Transitions using invariants and state equation in 721 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2233 ms. Remains : 129/129 places, 2344/2344 transitions.
Ensure Unique test removed 2058 transitions
Reduce isomorphic transitions removed 2058 transitions.
Iterating post reduction 0 with 2058 rules applied. Total rules applied 2058 place count 129 transition count 286
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2060 place count 129 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 2062 place count 127 transition count 284
Applied a total of 2062 rules in 14 ms. Remains 127 /129 variables (removed 2) and now considering 284/2344 (removed 2060) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 284 rows 127 cols
[2023-03-10 22:01:31] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 22:01:31] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:31] [INFO ] After 107ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:31] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:01:31] [INFO ] After 61ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:01:31] [INFO ] After 19ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:31] [INFO ] After 33ms 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 22:01:31] [INFO ] After 139ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 66 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 21 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 20 ms :[(NOT p0)]
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 207 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 22:01:32] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2023-03-10 22:01:32] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-10 22:01:32] [INFO ] Implicit Places using invariants in 235 ms returned []
[2023-03-10 22:01:32] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:32] [INFO ] Invariant cache hit.
[2023-03-10 22:01:32] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:33] [INFO ] Implicit Places using invariants and state equation in 507 ms returned []
Implicit Place search using SMT with State Equation took 757 ms to find 0 implicit places.
[2023-03-10 22:01:33] [INFO ] Redundant transitions in 38 ms returned []
[2023-03-10 22:01:33] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:33] [INFO ] Invariant cache hit.
[2023-03-10 22:01:33] [INFO ] Dead Transitions using invariants and state equation in 580 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1588 ms. Remains : 129/129 places, 2344/2344 transitions.
Computed a total of 104 stabilizing places and 202 stable transitions
Computed a total of 104 stabilizing places and 202 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 85 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 21 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 32 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 267895 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :{}
Probabilistic random walk after 267895 steps, saw 84898 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:01:36] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:36] [INFO ] Invariant cache hit.
[2023-03-10 22:01:37] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-10 22:01:37] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:37] [INFO ] After 103ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:37] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:37] [INFO ] After 44ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:37] [INFO ] After 87ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-10 22:01:37] [INFO ] After 270ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 225 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 129/129 places, 2344/2344 transitions.
Incomplete random walk after 10000 steps, including 32 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 288977 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :{}
Probabilistic random walk after 288977 steps, saw 90952 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-10 22:01:40] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:40] [INFO ] Invariant cache hit.
[2023-03-10 22:01:40] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:40] [INFO ] After 137ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:01:40] [INFO ] After 76ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:41] [INFO ] After 36ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:41] [INFO ] After 68ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 18 ms.
[2023-03-10 22:01:41] [INFO ] After 211ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 191 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 129/129 places, 2344/2344 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 191 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 22:01:41] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:41] [INFO ] Invariant cache hit.
[2023-03-10 22:01:41] [INFO ] Implicit Places using invariants in 308 ms returned []
[2023-03-10 22:01:41] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:41] [INFO ] Invariant cache hit.
[2023-03-10 22:01:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:42] [INFO ] Implicit Places using invariants and state equation in 705 ms returned []
Implicit Place search using SMT with State Equation took 1015 ms to find 0 implicit places.
[2023-03-10 22:01:42] [INFO ] Redundant transitions in 39 ms returned []
[2023-03-10 22:01:42] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:42] [INFO ] Invariant cache hit.
[2023-03-10 22:01:43] [INFO ] Dead Transitions using invariants and state equation in 739 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1991 ms. Remains : 129/129 places, 2344/2344 transitions.
Ensure Unique test removed 2058 transitions
Reduce isomorphic transitions removed 2058 transitions.
Iterating post reduction 0 with 2058 rules applied. Total rules applied 2058 place count 129 transition count 286
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2060 place count 129 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 2062 place count 127 transition count 284
Applied a total of 2062 rules in 10 ms. Remains 127 /129 variables (removed 2) and now considering 284/2344 (removed 2060) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 284 rows 127 cols
[2023-03-10 22:01:43] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 22:01:43] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 22:01:43] [INFO ] After 99ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-10 22:01:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-10 22:01:43] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:43] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-10 22:01:43] [INFO ] After 20ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-10 22:01:43] [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 8 ms.
[2023-03-10 22:01:43] [INFO ] After 140ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 79 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 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 323 reset in 659 ms.
Product exploration explored 100000 steps with 323 reset in 929 ms.
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 203 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2023-03-10 22:01:45] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2023-03-10 22:01:45] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-10 22:01:45] [INFO ] Implicit Places using invariants in 195 ms returned []
[2023-03-10 22:01:45] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:45] [INFO ] Invariant cache hit.
[2023-03-10 22:01:45] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:46] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 703 ms to find 0 implicit places.
[2023-03-10 22:01:46] [INFO ] Redundant transitions in 38 ms returned []
[2023-03-10 22:01:46] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:46] [INFO ] Invariant cache hit.
[2023-03-10 22:01:46] [INFO ] Dead Transitions using invariants and state equation in 617 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1590 ms. Remains : 129/129 places, 2344/2344 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-12 finished in 28928 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)||F(G(p1))))'
Support contains 7 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 257 ms. Remains 136 /136 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
[2023-03-10 22:01:47] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 136 cols
[2023-03-10 22:01:47] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:01:47] [INFO ] Dead Transitions using invariants and state equation in 598 ms found 0 transitions.
[2023-03-10 22:01:47] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 22:01:47] [INFO ] Invariant cache hit.
[2023-03-10 22:01:48] [INFO ] Implicit Places using invariants in 222 ms returned []
[2023-03-10 22:01:48] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2023-03-10 22:01:48] [INFO ] Invariant cache hit.
[2023-03-10 22:01:48] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:49] [INFO ] Implicit Places using invariants and state equation in 837 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1105 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 135/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 196 ms. Remains 135 /135 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2171 ms. Remains : 135/136 places, 2348/2348 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s92 1) (GEQ s113 1) (OR (LT s53 1) (LT s55 1) (LT s79 1) (LT s107 1))), p1:(GEQ s110 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 412 steps with 0 reset in 6 ms.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-13 finished in 2280 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 4 out of 136 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 133 transition count 2346
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 131 transition count 2344
Applied a total of 9 rules in 348 ms. Remains 131 /136 variables (removed 5) and now considering 2344/2348 (removed 4) transitions.
[2023-03-10 22:01:49] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2023-03-10 22:01:49] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-10 22:01:49] [INFO ] Implicit Places using invariants in 286 ms returned []
[2023-03-10 22:01:49] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
[2023-03-10 22:01:49] [INFO ] Invariant cache hit.
[2023-03-10 22:01:50] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:51] [INFO ] Implicit Places using invariants and state equation in 1018 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1307 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 129/136 places, 2344/2348 transitions.
Applied a total of 0 rules in 256 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1912 ms. Remains : 129/136 places, 2344/2348 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-14 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 (GEQ s1 1) (GEQ s52 1) (GEQ s66 1) (GEQ s110 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 307 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-14 finished in 1983 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U !p1) U (p2||X(F(p1)))))'
Support contains 10 out of 136 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 30 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:01:51] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:01:51] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:01:52] [INFO ] Dead Transitions using invariants and state equation in 810 ms found 0 transitions.
[2023-03-10 22:01:52] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:52] [INFO ] Invariant cache hit.
[2023-03-10 22:01:52] [INFO ] Implicit Places using invariants in 210 ms returned []
[2023-03-10 22:01:52] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:52] [INFO ] Invariant cache hit.
[2023-03-10 22:01:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:53] [INFO ] Implicit Places using invariants and state equation in 685 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 901 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 12 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1756 ms. Remains : 134/136 places, 2347/2348 transitions.
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) p1 (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) p0)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p1 p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 3}]], initial=0, aps=[p2:(AND (GEQ s13 1) (GEQ s56 1) (GEQ s57 1) (GEQ s130 1)), p1:(AND (GEQ s27 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)), p0:(AND (GEQ s22 1) (GEQ s56 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 431 reset in 649 ms.
Product exploration explored 100000 steps with 437 reset in 591 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 325 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 2 states, 2 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Finished random walk after 153 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=76 )
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1))))]
Knowledge based reduction with 9 factoid took 319 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(AND (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p2) (NOT p1))]
[2023-03-10 22:01:55] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 22:01:55] [INFO ] Computed 5 place invariants in 13 ms
[2023-03-10 22:01:55] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:01:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:55] [INFO ] [Real]Absence check using state equation in 122 ms returned sat
[2023-03-10 22:01:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:01:56] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:01:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:01:56] [INFO ] [Nat]Absence check using state equation in 177 ms returned sat
[2023-03-10 22:01:56] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:56] [INFO ] [Nat]Added 42 Read/Feed constraints in 220 ms returned sat
[2023-03-10 22:01:56] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 95 ms.
[2023-03-10 22:01:56] [INFO ] Added : 27 causal constraints over 6 iterations in 248 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p1))
Support contains 8 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 284 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:01:57] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:57] [INFO ] Invariant cache hit.
[2023-03-10 22:01:57] [INFO ] Dead Transitions using invariants and state equation in 824 ms found 0 transitions.
[2023-03-10 22:01:57] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:57] [INFO ] Invariant cache hit.
[2023-03-10 22:01:58] [INFO ] Implicit Places using invariants in 200 ms returned []
[2023-03-10 22:01:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:58] [INFO ] Invariant cache hit.
[2023-03-10 22:01:58] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:01:58] [INFO ] Implicit Places using invariants and state equation in 573 ms returned []
Implicit Place search using SMT with State Equation took 775 ms to find 0 implicit places.
[2023-03-10 22:01:58] [INFO ] Redundant transitions in 56 ms returned []
[2023-03-10 22:01:58] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:58] [INFO ] Invariant cache hit.
[2023-03-10 22:01:59] [INFO ] Dead Transitions using invariants and state equation in 769 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2741 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 74 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 22 ms :[(AND (NOT p1) (NOT p2))]
Finished random walk after 316 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=105 )
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 3 factoid took 84 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 23 ms :[(AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 22 ms :[(AND (NOT p1) (NOT p2))]
[2023-03-10 22:01:59] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:01:59] [INFO ] Invariant cache hit.
[2023-03-10 22:01:59] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:01:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:00] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2023-03-10 22:02:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:02:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:00] [INFO ] [Nat]Absence check using state equation in 209 ms returned sat
[2023-03-10 22:02:00] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:01] [INFO ] [Nat]Added 42 Read/Feed constraints in 534 ms returned sat
[2023-03-10 22:02:01] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 80 ms.
[2023-03-10 22:02:02] [INFO ] Added : 89 causal constraints over 18 iterations in 1082 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 51 ms :[(AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 423 reset in 783 ms.
Product exploration explored 100000 steps with 432 reset in 563 ms.
Support contains 8 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 200 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:04] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:04] [INFO ] Invariant cache hit.
[2023-03-10 22:02:04] [INFO ] Dead Transitions using invariants and state equation in 720 ms found 0 transitions.
[2023-03-10 22:02:04] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:04] [INFO ] Invariant cache hit.
[2023-03-10 22:02:04] [INFO ] Implicit Places using invariants in 197 ms returned []
[2023-03-10 22:02:04] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:04] [INFO ] Invariant cache hit.
[2023-03-10 22:02:05] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:05] [INFO ] Implicit Places using invariants and state equation in 557 ms returned []
Implicit Place search using SMT with State Equation took 755 ms to find 0 implicit places.
[2023-03-10 22:02:05] [INFO ] Redundant transitions in 38 ms returned []
[2023-03-10 22:02:05] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:05] [INFO ] Invariant cache hit.
[2023-03-10 22:02:06] [INFO ] Dead Transitions using invariants and state equation in 758 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2484 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-15 finished in 15140 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F((G(F(!p2))&&p1)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-04
Stuttering acceptance computed with spot in 292 ms :[(OR (NOT p1) (NOT p0) p2), (NOT p0), (OR (NOT p1) p2), p2, p2, (NOT p1)]
Support contains 58 out of 136 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 59 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:02:06] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:02:06] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-10 22:02:07] [INFO ] Dead Transitions using invariants and state equation in 845 ms found 0 transitions.
[2023-03-10 22:02:07] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:07] [INFO ] Invariant cache hit.
[2023-03-10 22:02:08] [INFO ] Implicit Places using invariants in 229 ms returned []
[2023-03-10 22:02:08] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:08] [INFO ] Invariant cache hit.
[2023-03-10 22:02:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:08] [INFO ] Implicit Places using invariants and state equation in 601 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 835 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 19 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1762 ms. Remains : 134/136 places, 2347/2348 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 3}, { cond=true, acceptance={} source=2 dest: 4}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=p2, acceptance={0} source=3 dest: 3}], [{ cond=p2, acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(OR (AND (GEQ s54 20) (GEQ s111 1)) (AND (GEQ s54 20) (GEQ s110 1))), p2:(OR (AND (GEQ s7 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s26 1) (GEQ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1394 reset in 687 ms.
Product exploration explored 100000 steps with 1399 reset in 603 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 455 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 12 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X p1), (X (NOT p0)), true, (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 7 factoid took 403 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 186 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 22:02:11] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 22:02:11] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-10 22:02:11] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:02:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:11] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2023-03-10 22:02:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:02:12] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:12] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2023-03-10 22:02:12] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:12] [INFO ] [Nat]Added 42 Read/Feed constraints in 530 ms returned sat
[2023-03-10 22:02:13] [INFO ] Deduced a trap composed of 5 places in 299 ms of which 1 ms to minimize.
[2023-03-10 22:02:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1045 ms
[2023-03-10 22:02:14] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 92 ms.
[2023-03-10 22:02:14] [INFO ] Added : 49 causal constraints over 11 iterations in 397 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 10 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:14] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:14] [INFO ] Invariant cache hit.
[2023-03-10 22:02:15] [INFO ] Dead Transitions using invariants and state equation in 693 ms found 0 transitions.
[2023-03-10 22:02:15] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:15] [INFO ] Invariant cache hit.
[2023-03-10 22:02:15] [INFO ] Implicit Places using invariants in 205 ms returned []
[2023-03-10 22:02:15] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:15] [INFO ] Invariant cache hit.
[2023-03-10 22:02:15] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:15] [INFO ] Implicit Places using invariants and state equation in 650 ms returned []
Implicit Place search using SMT with State Equation took 856 ms to find 0 implicit places.
[2023-03-10 22:02:15] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:15] [INFO ] Invariant cache hit.
[2023-03-10 22:02:16] [INFO ] Dead Transitions using invariants and state equation in 680 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2255 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Knowledge based reduction with 5 factoid took 168 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Finished random walk after 159 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=53 )
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (F p0), (F p2)]
Knowledge based reduction with 5 factoid took 267 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
[2023-03-10 22:02:17] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:17] [INFO ] Invariant cache hit.
[2023-03-10 22:02:17] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-10 22:02:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:17] [INFO ] [Real]Absence check using state equation in 212 ms returned sat
[2023-03-10 22:02:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:02:18] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:18] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2023-03-10 22:02:18] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:18] [INFO ] [Nat]Added 42 Read/Feed constraints in 265 ms returned sat
[2023-03-10 22:02:19] [INFO ] Deduced a trap composed of 5 places in 330 ms of which 1 ms to minimize.
[2023-03-10 22:02:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1278 ms
[2023-03-10 22:02:20] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 86 ms.
[2023-03-10 22:02:20] [INFO ] Added : 34 causal constraints over 9 iterations in 338 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 152 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Product exploration explored 100000 steps with 1406 reset in 779 ms.
Product exploration explored 100000 steps with 1444 reset in 577 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) p2), (NOT p0), p2, p2]
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 335 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:22] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:22] [INFO ] Invariant cache hit.
[2023-03-10 22:02:23] [INFO ] Dead Transitions using invariants and state equation in 808 ms found 0 transitions.
[2023-03-10 22:02:23] [INFO ] Redundant transitions in 40 ms returned []
[2023-03-10 22:02:23] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:23] [INFO ] Invariant cache hit.
[2023-03-10 22:02:23] [INFO ] Dead Transitions using invariants and state equation in 597 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1787 ms. Remains : 134/134 places, 2347/2347 transitions.
Support contains 55 out of 134 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 7 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:23] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:23] [INFO ] Invariant cache hit.
[2023-03-10 22:02:24] [INFO ] Dead Transitions using invariants and state equation in 585 ms found 0 transitions.
[2023-03-10 22:02:24] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:24] [INFO ] Invariant cache hit.
[2023-03-10 22:02:24] [INFO ] Implicit Places using invariants in 176 ms returned []
[2023-03-10 22:02:24] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:24] [INFO ] Invariant cache hit.
[2023-03-10 22:02:24] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:25] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 676 ms to find 0 implicit places.
[2023-03-10 22:02:25] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:25] [INFO ] Invariant cache hit.
[2023-03-10 22:02:25] [INFO ] Dead Transitions using invariants and state equation in 770 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2040 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 finished in 19555 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((!p0||(!p1 U (p2||G(!p1)))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
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) U !p1) U (p2||X(F(p1)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-15
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p0))]
Support contains 10 out of 136 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 2347
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 2347
Applied a total of 2 rules in 28 ms. Remains 135 /136 variables (removed 1) and now considering 2347/2348 (removed 1) transitions.
[2023-03-10 22:02:26] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 135 cols
[2023-03-10 22:02:26] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 22:02:27] [INFO ] Dead Transitions using invariants and state equation in 772 ms found 0 transitions.
[2023-03-10 22:02:27] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:27] [INFO ] Invariant cache hit.
[2023-03-10 22:02:27] [INFO ] Implicit Places using invariants in 238 ms returned []
[2023-03-10 22:02:27] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:27] [INFO ] Invariant cache hit.
[2023-03-10 22:02:27] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:28] [INFO ] Implicit Places using invariants and state equation in 687 ms returned [108]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 941 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 134/136 places, 2347/2348 transitions.
Applied a total of 0 rules in 21 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1763 ms. Remains : 134/136 places, 2347/2348 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P20N20-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) p1 (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) p0)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p1 p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 3}]], initial=0, aps=[p2:(AND (GEQ s13 1) (GEQ s56 1) (GEQ s57 1) (GEQ s130 1)), p1:(AND (GEQ s27 1) (GEQ s52 1) (GEQ s54 1) (GEQ s55 1)), p0:(AND (GEQ s22 1) (GEQ s56 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 448 reset in 812 ms.
Product exploration explored 100000 steps with 438 reset in 714 ms.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 361 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 2 states, 2 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Finished random walk after 249 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=62 )
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1))))]
Knowledge based reduction with 9 factoid took 342 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p2) (NOT p1))]
[2023-03-10 22:02:30] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
// Phase 1: matrix 289 rows 134 cols
[2023-03-10 22:02:30] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 22:02:31] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:31] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2023-03-10 22:02:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:02:31] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:31] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2023-03-10 22:02:31] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:31] [INFO ] [Nat]Added 42 Read/Feed constraints in 151 ms returned sat
[2023-03-10 22:02:31] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 90 ms.
[2023-03-10 22:02:31] [INFO ] Added : 27 causal constraints over 6 iterations in 252 ms. Result :sat
Could not prove EG (AND (NOT p2) (NOT p1))
Support contains 8 out of 134 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 255 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:32] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:32] [INFO ] Invariant cache hit.
[2023-03-10 22:02:32] [INFO ] Dead Transitions using invariants and state equation in 729 ms found 0 transitions.
[2023-03-10 22:02:32] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:32] [INFO ] Invariant cache hit.
[2023-03-10 22:02:33] [INFO ] Implicit Places using invariants in 208 ms returned []
[2023-03-10 22:02:33] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:33] [INFO ] Invariant cache hit.
[2023-03-10 22:02:33] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:33] [INFO ] Implicit Places using invariants and state equation in 538 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
[2023-03-10 22:02:33] [INFO ] Redundant transitions in 37 ms returned []
[2023-03-10 22:02:33] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:33] [INFO ] Invariant cache hit.
[2023-03-10 22:02:34] [INFO ] Dead Transitions using invariants and state equation in 727 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2544 ms. Remains : 134/134 places, 2347/2347 transitions.
Computed a total of 107 stabilizing places and 203 stable transitions
Computed a total of 107 stabilizing places and 203 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p1) (NOT p2))]
Finished random walk after 145 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=72 )
Knowledge obtained : [(AND (NOT p2) (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 1 states, 1 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 24 ms :[(AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 31 ms :[(AND (NOT p1) (NOT p2))]
[2023-03-10 22:02:34] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:34] [INFO ] Invariant cache hit.
[2023-03-10 22:02:35] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-10 22:02:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:35] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2023-03-10 22:02:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 22:02:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 22:02:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 22:02:35] [INFO ] [Nat]Absence check using state equation in 162 ms returned sat
[2023-03-10 22:02:35] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:36] [INFO ] [Nat]Added 42 Read/Feed constraints in 438 ms returned sat
[2023-03-10 22:02:36] [INFO ] Computed and/alt/rep : 120/238/120 causal constraints (skipped 166 transitions) in 104 ms.
[2023-03-10 22:02:37] [INFO ] Added : 89 causal constraints over 18 iterations in 954 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 433 reset in 793 ms.
Product exploration explored 100000 steps with 435 reset in 591 ms.
Support contains 8 out of 134 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 134/134 places, 2347/2347 transitions.
Applied a total of 0 rules in 211 ms. Remains 134 /134 variables (removed 0) and now considering 2347/2347 (removed 0) transitions.
[2023-03-10 22:02:38] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:38] [INFO ] Invariant cache hit.
[2023-03-10 22:02:39] [INFO ] Dead Transitions using invariants and state equation in 740 ms found 0 transitions.
[2023-03-10 22:02:39] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:39] [INFO ] Invariant cache hit.
[2023-03-10 22:02:39] [INFO ] Implicit Places using invariants in 204 ms returned []
[2023-03-10 22:02:39] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:39] [INFO ] Invariant cache hit.
[2023-03-10 22:02:39] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-10 22:02:40] [INFO ] Implicit Places using invariants and state equation in 646 ms returned []
Implicit Place search using SMT with State Equation took 852 ms to find 0 implicit places.
[2023-03-10 22:02:40] [INFO ] Redundant transitions in 66 ms returned []
[2023-03-10 22:02:40] [INFO ] Flow matrix only has 289 transitions (discarded 2058 similar events)
[2023-03-10 22:02:40] [INFO ] Invariant cache hit.
[2023-03-10 22:02:41] [INFO ] Dead Transitions using invariants and state equation in 832 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2710 ms. Remains : 134/134 places, 2347/2347 transitions.
Treatment of property BridgeAndVehicles-PT-V50P20N20-LTLFireability-15 finished in 15192 ms.
[2023-03-10 22:02:41] [INFO ] Flatten gal took : 255 ms
[2023-03-10 22:02:41] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2023-03-10 22:02:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 136 places, 2348 transitions and 18088 arcs took 25 ms.
Total runtime 184982 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-PT-V50P20N20
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
LTLFireability

FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V50P20N20-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

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

BK_STOP 1678485998991

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/370/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/370/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/370/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:535
lola: rewrite Frontend/Parser/formula_rewrite.k:544
lola: rewrite Frontend/Parser/formula_rewrite.k:373
lola: rewrite Frontend/Parser/formula_rewrite.k:430
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 1.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 5 (type EXCL) for 0 BridgeAndVehicles-PT-V50P20N20-LTLFireability-04
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

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BridgeAndVehicles-PT-V50P20N20-LTLFireability-07: CONJ 0 2 0 0 2 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-10: F 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-12: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
5 LTL EXCL 4/514 3/32 BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 351364 m, 70272 m/sec, 966732 t fired, .

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BridgeAndVehicles-PT-V50P20N20-LTLFireability-10: F 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-12: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

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5 LTL EXCL 9/514 7/32 BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 860987 m, 101924 m/sec, 2402607 t fired, .

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BridgeAndVehicles-PT-V50P20N20-LTLFireability-10: F 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-12: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

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5 LTL EXCL 14/514 10/32 BridgeAndVehicles-PT-V50P20N20-LTLFireability-04 1357395 m, 99281 m/sec, 3805936 t fired, .

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BridgeAndVehicles-PT-V50P20N20-LTLFireability-10: F 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-12: LTL 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-15: LTL 0 1 0 0 1 0 0 0

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BridgeAndVehicles-PT-V50P20N20-LTLFireability-10: F 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V50P20N20-LTLFireability-12: LTL 0 1 0 0 1 0 0 0
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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-V50P20N20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is BridgeAndVehicles-PT-V50P20N20, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r039-tajo-167813692200236"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P20N20.tgz
mv BridgeAndVehicles-PT-V50P20N20 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;