Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r489-tall-167912706800468.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is Szymanski-PT-b06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912706800468
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 6.1K Feb 26 17:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 26 17:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 16:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 26 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 26 17:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 17:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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 Szymanski-PT-b06-LTLFireability-00
FORMULA_NAME Szymanski-PT-b06-LTLFireability-01
FORMULA_NAME Szymanski-PT-b06-LTLFireability-02
FORMULA_NAME Szymanski-PT-b06-LTLFireability-03
FORMULA_NAME Szymanski-PT-b06-LTLFireability-04
FORMULA_NAME Szymanski-PT-b06-LTLFireability-05
FORMULA_NAME Szymanski-PT-b06-LTLFireability-06
FORMULA_NAME Szymanski-PT-b06-LTLFireability-07
FORMULA_NAME Szymanski-PT-b06-LTLFireability-08
FORMULA_NAME Szymanski-PT-b06-LTLFireability-09
FORMULA_NAME Szymanski-PT-b06-LTLFireability-10
FORMULA_NAME Szymanski-PT-b06-LTLFireability-11
FORMULA_NAME Szymanski-PT-b06-LTLFireability-12
FORMULA_NAME Szymanski-PT-b06-LTLFireability-13
FORMULA_NAME Szymanski-PT-b06-LTLFireability-14
FORMULA_NAME Szymanski-PT-b06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679252779805

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b06
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 19:06:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 19:06:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 19:06:21] [INFO ] Load time of PNML (sax parser for PT used): 382 ms
[2023-03-19 19:06:21] [INFO ] Transformed 568 places.
[2023-03-19 19:06:21] [INFO ] Transformed 8320 transitions.
[2023-03-19 19:06:21] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 532 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 260 places in 20 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b06-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Applied a total of 2 rules in 160 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 19:06:22] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 19:06:22] [INFO ] Computed 1 place invariants in 48 ms
[2023-03-19 19:06:23] [INFO ] Implicit Places using invariants in 622 ms returned []
[2023-03-19 19:06:23] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 19:06:23] [INFO ] Invariant cache hit.
[2023-03-19 19:06:23] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:06:28] [INFO ] Implicit Places using invariants and state equation in 5172 ms returned []
Implicit Place search using SMT with State Equation took 6049 ms to find 0 implicit places.
[2023-03-19 19:06:28] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 19:06:28] [INFO ] Invariant cache hit.
[2023-03-19 19:06:30] [INFO ] Dead Transitions using invariants and state equation in 2320 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 8064/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8536 ms. Remains : 306/308 places, 8064/8064 transitions.
Support contains 41 out of 306 places after structural reductions.
[2023-03-19 19:06:31] [INFO ] Flatten gal took : 420 ms
[2023-03-19 19:06:31] [INFO ] Flatten gal took : 292 ms
[2023-03-19 19:06:32] [INFO ] Input system was already deterministic with 8064 transitions.
Support contains 40 out of 306 places (down from 41) after GAL structural reductions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 254 ms. (steps per millisecond=39 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 20) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
[2023-03-19 19:06:32] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 19:06:32] [INFO ] Invariant cache hit.
[2023-03-19 19:06:32] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:06:41] [INFO ] After 8845ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:12
[2023-03-19 19:06:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:06:41] [INFO ] After 145ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-19 19:06:41] [INFO ] After 9254ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-19 19:06:42] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:06:51] [INFO ] After 9450ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-19 19:07:06] [INFO ] After 15375ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :11
[2023-03-19 19:07:06] [INFO ] After 15376ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-19 19:07:06] [INFO ] After 25021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
Parikh walk visited 0 properties in 340 ms.
Support contains 26 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions removed 109 transitions
Reduce isomorphic transitions removed 109 transitions.
Iterating post reduction 0 with 109 rules applied. Total rules applied 109 place count 306 transition count 7955
Applied a total of 109 rules in 396 ms. Remains 306 /306 variables (removed 0) and now considering 7955/8064 (removed 109) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 397 ms. Remains : 306/306 places, 7955/8064 transitions.
Incomplete random walk after 10005 steps, including 2 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 11) seen :1
Running SMT prover for 10 properties.
[2023-03-19 19:07:08] [INFO ] Flow matrix only has 2624 transitions (discarded 5331 similar events)
// Phase 1: matrix 2624 rows 306 cols
[2023-03-19 19:07:08] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 19:07:08] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:07:12] [INFO ] After 4199ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-19 19:07:12] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:07:18] [INFO ] After 5105ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-19 19:07:18] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:07:37] [INFO ] After 19747ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-19 19:07:37] [INFO ] After 19750ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 19:07:37] [INFO ] After 25018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Parikh walk visited 0 properties in 129 ms.
Support contains 21 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7955/7955 transitions.
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 306 transition count 7952
Applied a total of 3 rules in 234 ms. Remains 306 /306 variables (removed 0) and now considering 7952/7955 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 234 ms. Remains : 306/306 places, 7952/7955 transitions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2023-03-19 19:07:38] [INFO ] Flow matrix only has 2621 transitions (discarded 5331 similar events)
// Phase 1: matrix 2621 rows 306 cols
[2023-03-19 19:07:38] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 19:07:38] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:07:42] [INFO ] After 3447ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-19 19:07:42] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:07:49] [INFO ] After 7526ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-19 19:07:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:08:02] [INFO ] After 12528ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-19 19:08:04] [INFO ] Deduced a trap composed of 45 places in 376 ms of which 5 ms to minimize.
[2023-03-19 19:08:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 605 ms
[2023-03-19 19:08:04] [INFO ] Deduced a trap composed of 36 places in 343 ms of which 1 ms to minimize.
[2023-03-19 19:08:05] [INFO ] Deduced a trap composed of 58 places in 262 ms of which 2 ms to minimize.
[2023-03-19 19:08:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 969 ms
[2023-03-19 19:08:06] [INFO ] Deduced a trap composed of 61 places in 265 ms of which 4 ms to minimize.
[2023-03-19 19:08:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 970 ms
[2023-03-19 19:08:07] [INFO ] After 17334ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 19:08:07] [INFO ] After 25021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 139 ms.
Support contains 19 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7952/7952 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 7951
Applied a total of 1 rules in 336 ms. Remains 306 /306 variables (removed 0) and now considering 7951/7952 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 336 ms. Remains : 306/306 places, 7951/7952 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 181 ms. (steps per millisecond=55 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-19 19:08:08] [INFO ] Flow matrix only has 2620 transitions (discarded 5331 similar events)
// Phase 1: matrix 2620 rows 306 cols
[2023-03-19 19:08:08] [INFO ] Computed 1 place invariants in 24 ms
[2023-03-19 19:08:08] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 7 ms returned sat
[2023-03-19 19:08:13] [INFO ] After 5022ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-19 19:08:13] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:08:25] [INFO ] After 12515ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-19 19:08:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:08:31] [INFO ] After 5601ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-19 19:08:32] [INFO ] Deduced a trap composed of 42 places in 246 ms of which 1 ms to minimize.
[2023-03-19 19:08:33] [INFO ] Deduced a trap composed of 58 places in 234 ms of which 0 ms to minimize.
[2023-03-19 19:08:33] [INFO ] Deduced a trap composed of 72 places in 267 ms of which 1 ms to minimize.
[2023-03-19 19:08:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 990 ms
[2023-03-19 19:08:36] [INFO ] After 10902ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 1468 ms.
[2023-03-19 19:08:38] [INFO ] After 25018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 182 ms.
Support contains 17 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7951/7951 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 7950
Applied a total of 1 rules in 214 ms. Remains 306 /306 variables (removed 0) and now considering 7950/7951 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 306/306 places, 7950/7951 transitions.
Computed a total of 12 stabilizing places and 2432 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' '!(F(((X(F(p1)) U p2)&&p0)))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 466 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:08:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:08:39] [INFO ] Computed 1 place invariants in 18 ms
[2023-03-19 19:08:39] [INFO ] Implicit Places using invariants in 462 ms returned []
[2023-03-19 19:08:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:08:39] [INFO ] Invariant cache hit.
[2023-03-19 19:08:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:08:47] [INFO ] Implicit Places using invariants and state equation in 7676 ms returned []
Implicit Place search using SMT with State Equation took 8162 ms to find 0 implicit places.
[2023-03-19 19:08:48] [INFO ] Redundant transitions in 1008 ms returned []
[2023-03-19 19:08:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:08:48] [INFO ] Invariant cache hit.
[2023-03-19 19:08:50] [INFO ] Dead Transitions using invariants and state equation in 2316 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11972 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 322 ms :[(OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={0} source=0 dest: 2}], [{ cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p1))), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p2), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s62 1) (GEQ s263 1)), p2:(AND (GEQ s40 1) (GEQ s266 1)), p1:(AND (GEQ s89 1) (GEQ s287 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, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 510 steps with 0 reset in 15 ms.
FORMULA Szymanski-PT-b06-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-01 finished in 12393 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 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 265 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:08:51] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:08:51] [INFO ] Invariant cache hit.
[2023-03-19 19:08:52] [INFO ] Implicit Places using invariants in 447 ms returned []
[2023-03-19 19:08:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:08:52] [INFO ] Invariant cache hit.
[2023-03-19 19:08:52] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:00] [INFO ] Implicit Places using invariants and state equation in 8029 ms returned []
Implicit Place search using SMT with State Equation took 8481 ms to find 0 implicit places.
[2023-03-19 19:09:01] [INFO ] Redundant transitions in 976 ms returned []
[2023-03-19 19:09:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:01] [INFO ] Invariant cache hit.
[2023-03-19 19:09:03] [INFO ] Dead Transitions using invariants and state equation in 2045 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11790 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s18 1) (GEQ s282 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]]
Stuttering criterion allowed to conclude after 387 steps with 0 reset in 6 ms.
FORMULA Szymanski-PT-b06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-02 finished in 11856 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)&&(G(!p1)||(!p1&&F((!p2&&X(!p2)))))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 43 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 19:09:03] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 19:09:03] [INFO ] Computed 1 place invariants in 15 ms
[2023-03-19 19:09:03] [INFO ] Implicit Places using invariants in 468 ms returned []
[2023-03-19 19:09:03] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 19:09:03] [INFO ] Invariant cache hit.
[2023-03-19 19:09:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:09] [INFO ] Implicit Places using invariants and state equation in 5656 ms returned []
Implicit Place search using SMT with State Equation took 6128 ms to find 0 implicit places.
[2023-03-19 19:09:09] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 19:09:09] [INFO ] Invariant cache hit.
[2023-03-19 19:09:11] [INFO ] Dead Transitions using invariants and state equation in 2447 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8622 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 313 ms :[(OR (NOT p0) p1), true, (NOT p0), (AND p2 p1), (AND p2 p1), p2, p2]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 4}, { cond=(AND p1 p2), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=4 dest: 4}, { cond=(AND p1 p2), acceptance={} source=4 dest: 5}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 6}], [{ cond=p2, acceptance={0} source=5 dest: 5}, { cond=(NOT p2), acceptance={0} source=5 dest: 6}], [{ cond=p2, acceptance={0} source=6 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s65 1) (GEQ s273 1)), p0:(AND (GEQ s5 1) (GEQ s305 1)), p2:(AND (GEQ s18 1) (GEQ s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 252 steps with 0 reset in 5 ms.
FORMULA Szymanski-PT-b06-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-04 finished in 8976 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 p1)&&F(!p1)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 268 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:09:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:09:12] [INFO ] Computed 1 place invariants in 21 ms
[2023-03-19 19:09:12] [INFO ] Implicit Places using invariants in 441 ms returned []
[2023-03-19 19:09:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:12] [INFO ] Invariant cache hit.
[2023-03-19 19:09:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:20] [INFO ] Implicit Places using invariants and state equation in 7649 ms returned []
Implicit Place search using SMT with State Equation took 8095 ms to find 0 implicit places.
[2023-03-19 19:09:21] [INFO ] Redundant transitions in 694 ms returned []
[2023-03-19 19:09:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:21] [INFO ] Invariant cache hit.
[2023-03-19 19:09:23] [INFO ] Dead Transitions using invariants and state equation in 2318 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11393 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 131 ms :[p1, (NOT p1), true, true]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(AND (GEQ s83 1) (GEQ s299 1)), p0:(AND (GEQ s52 1) (GEQ s257 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 149 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-05 finished in 11554 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(G(p0))&&F(p1))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 252 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:09:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:23] [INFO ] Invariant cache hit.
[2023-03-19 19:09:24] [INFO ] Implicit Places using invariants in 449 ms returned []
[2023-03-19 19:09:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:24] [INFO ] Invariant cache hit.
[2023-03-19 19:09:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:32] [INFO ] Implicit Places using invariants and state equation in 8008 ms returned []
Implicit Place search using SMT with State Equation took 8460 ms to find 0 implicit places.
[2023-03-19 19:09:33] [INFO ] Redundant transitions in 677 ms returned []
[2023-03-19 19:09:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:33] [INFO ] Invariant cache hit.
[2023-03-19 19:09:35] [INFO ] Dead Transitions using invariants and state equation in 2510 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11921 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s82 1) (LT s304 1)), p1:(OR (AND (GEQ s41 1) (GEQ s295 1)) (AND (GEQ s37 1) (GEQ s294 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 379 steps with 0 reset in 6 ms.
FORMULA Szymanski-PT-b06-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-06 finished in 12088 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 238 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:09:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:36] [INFO ] Invariant cache hit.
[2023-03-19 19:09:36] [INFO ] Implicit Places using invariants in 447 ms returned []
[2023-03-19 19:09:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:36] [INFO ] Invariant cache hit.
[2023-03-19 19:09:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:44] [INFO ] Implicit Places using invariants and state equation in 8444 ms returned []
Implicit Place search using SMT with State Equation took 8915 ms to find 0 implicit places.
[2023-03-19 19:09:45] [INFO ] Redundant transitions in 673 ms returned []
[2023-03-19 19:09:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:45] [INFO ] Invariant cache hit.
[2023-03-19 19:09:47] [INFO ] Dead Transitions using invariants and state equation in 2178 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 12020 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s14 1) (GEQ s261 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 414 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-b06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-08 finished in 12121 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&&X(p1)))&&F(!p1))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 54 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:09:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:47] [INFO ] Invariant cache hit.
[2023-03-19 19:09:48] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-19 19:09:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:48] [INFO ] Invariant cache hit.
[2023-03-19 19:09:48] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:09:56] [INFO ] Implicit Places using invariants and state equation in 8060 ms returned []
Implicit Place search using SMT with State Equation took 8489 ms to find 0 implicit places.
[2023-03-19 19:09:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:56] [INFO ] Invariant cache hit.
[2023-03-19 19:09:58] [INFO ] Dead Transitions using invariants and state equation in 1945 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10491 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 159 ms :[true, (OR (NOT p0) (NOT p1)), p1, (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 3}], [{ cond=p1, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s15 1) (LT s269 1)), p1:(OR (LT s29 1) (LT s304 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 158 steps with 3 reset in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-10 finished in 10690 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(G(p0))))))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 56 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:09:58] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:58] [INFO ] Invariant cache hit.
[2023-03-19 19:09:59] [INFO ] Implicit Places using invariants in 440 ms returned []
[2023-03-19 19:09:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:09:59] [INFO ] Invariant cache hit.
[2023-03-19 19:09:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:10:06] [INFO ] Implicit Places using invariants and state equation in 7766 ms returned []
Implicit Place search using SMT with State Equation took 8232 ms to find 0 implicit places.
[2023-03-19 19:10:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:10:06] [INFO ] Invariant cache hit.
[2023-03-19 19:10:09] [INFO ] Dead Transitions using invariants and state equation in 2168 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10474 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 194 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(OR (LT s16 1) (LT s282 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, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 490 ms.
Product exploration explored 100000 steps with 3 reset in 528 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 173 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10002 steps, including 4 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 167044 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :{}
Probabilistic random walk after 167044 steps, saw 90366 distinct states, run finished after 3002 ms. (steps per millisecond=55 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:10:13] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:10:13] [INFO ] Invariant cache hit.
[2023-03-19 19:10:13] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:10:15] [INFO ] After 1817ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:10:15] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:10:17] [INFO ] After 1430ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:10:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:10:24] [INFO ] After 7568ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:10:25] [INFO ] After 8452ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2747 ms.
[2023-03-19 19:10:28] [INFO ] After 12700ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 183567 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :{}
Probabilistic random walk after 183567 steps, saw 83891 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:10:31] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:10:31] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 19:10:31] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:10:33] [INFO ] After 1784ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:10:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:10:35] [INFO ] After 1894ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:10:35] [INFO ] After 3777ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:10:35] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:10:36] [INFO ] After 1503ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:10:46] [INFO ] After 9085ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:10:46] [INFO ] After 10667ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:10:46] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:10:46] [INFO ] Invariant cache hit.
[2023-03-19 19:10:46] [INFO ] Implicit Places using invariants in 445 ms returned []
[2023-03-19 19:10:46] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:10:46] [INFO ] Invariant cache hit.
[2023-03-19 19:10:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:10:53] [INFO ] Implicit Places using invariants and state equation in 6696 ms returned []
Implicit Place search using SMT with State Equation took 7143 ms to find 0 implicit places.
[2023-03-19 19:10:54] [INFO ] Redundant transitions in 672 ms returned []
[2023-03-19 19:10:54] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:10:54] [INFO ] Invariant cache hit.
[2023-03-19 19:10:56] [INFO ] Dead Transitions using invariants and state equation in 2301 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10310 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 5 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 221 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 19:10:56] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 19:10:56] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:10:57] [INFO ] After 666ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:10:57] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:10:57] [INFO ] After 260ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:10:57] [INFO ] After 990ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:10:57] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:10:58] [INFO ] After 717ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:11:01] [INFO ] After 2797ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:11:01] [INFO ] After 2905ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-19 19:11:01] [INFO ] After 3756ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 99 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 174 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 36 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:11:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:11:02] [INFO ] Computed 1 place invariants in 21 ms
[2023-03-19 19:11:02] [INFO ] Implicit Places using invariants in 488 ms returned []
[2023-03-19 19:11:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:11:02] [INFO ] Invariant cache hit.
[2023-03-19 19:11:03] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:11:11] [INFO ] Implicit Places using invariants and state equation in 8449 ms returned []
Implicit Place search using SMT with State Equation took 8940 ms to find 0 implicit places.
[2023-03-19 19:11:11] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:11:11] [INFO ] Invariant cache hit.
[2023-03-19 19:11:13] [INFO ] Dead Transitions using invariants and state equation in 2010 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10988 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 85 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10004 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 167299 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :{}
Probabilistic random walk after 167299 steps, saw 90413 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:11:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:11:16] [INFO ] Invariant cache hit.
[2023-03-19 19:11:16] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:11:18] [INFO ] After 1719ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:11:18] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:11:19] [INFO ] After 1401ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:11:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:11:26] [INFO ] After 7400ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:11:27] [INFO ] After 8269ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2698 ms.
[2023-03-19 19:11:30] [INFO ] After 12447ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 225 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 225 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 176694 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 176694 steps, saw 83012 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:11:33] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:11:33] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 19:11:33] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:11:35] [INFO ] After 1699ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:11:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:11:37] [INFO ] After 1886ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:11:37] [INFO ] After 3679ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:11:37] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:11:39] [INFO ] After 1475ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:11:48] [INFO ] After 9075ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:11:48] [INFO ] After 10628ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 217 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:11:48] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:11:48] [INFO ] Invariant cache hit.
[2023-03-19 19:11:49] [INFO ] Implicit Places using invariants in 450 ms returned []
[2023-03-19 19:11:49] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:11:49] [INFO ] Invariant cache hit.
[2023-03-19 19:11:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:11:56] [INFO ] Implicit Places using invariants and state equation in 7159 ms returned []
Implicit Place search using SMT with State Equation took 7610 ms to find 0 implicit places.
[2023-03-19 19:11:56] [INFO ] Redundant transitions in 661 ms returned []
[2023-03-19 19:11:56] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:11:56] [INFO ] Invariant cache hit.
[2023-03-19 19:11:59] [INFO ] Dead Transitions using invariants and state equation in 2257 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10760 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 150 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 19:11:59] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-19 19:11:59] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:12:00] [INFO ] After 712ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:12:00] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:12:00] [INFO ] After 269ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:12:00] [INFO ] After 1047ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:12:00] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:12:01] [INFO ] After 725ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:12:03] [INFO ] After 2816ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:12:04] [INFO ] After 2928ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 74 ms.
[2023-03-19 19:12:04] [INFO ] After 3790ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 186 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 193 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 248 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 12 reset in 428 ms.
Product exploration explored 100000 steps with 0 reset in 455 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 194 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 210 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:12:07] [INFO ] Redundant transitions in 672 ms returned []
[2023-03-19 19:12:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:12:07] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 19:12:09] [INFO ] Dead Transitions using invariants and state equation in 1982 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2874 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:12:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:09] [INFO ] Invariant cache hit.
[2023-03-19 19:12:09] [INFO ] Implicit Places using invariants in 505 ms returned []
[2023-03-19 19:12:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:09] [INFO ] Invariant cache hit.
[2023-03-19 19:12:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:12:16] [INFO ] Implicit Places using invariants and state equation in 7181 ms returned []
Implicit Place search using SMT with State Equation took 7690 ms to find 0 implicit places.
[2023-03-19 19:12:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:16] [INFO ] Invariant cache hit.
[2023-03-19 19:12:18] [INFO ] Dead Transitions using invariants and state equation in 2148 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9881 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-12 finished in 140716 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||(p1 U p2)||G(p3))))'
Support contains 8 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 51 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:12:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:19] [INFO ] Invariant cache hit.
[2023-03-19 19:12:19] [INFO ] Implicit Places using invariants in 446 ms returned []
[2023-03-19 19:12:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:19] [INFO ] Invariant cache hit.
[2023-03-19 19:12:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:12:26] [INFO ] Implicit Places using invariants and state equation in 6865 ms returned []
Implicit Place search using SMT with State Equation took 7315 ms to find 0 implicit places.
[2023-03-19 19:12:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:26] [INFO ] Invariant cache hit.
[2023-03-19 19:12:28] [INFO ] Dead Transitions using invariants and state equation in 2190 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9557 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 224 ms :[(NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) (NOT p2) p1 (NOT p3)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1 p3), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p2) (NOT p1) p3), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p3)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p3), acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(OR (LT s99 1) (LT s257 1)), p2:(AND (GEQ s40 1) (GEQ s259 1)), p1:(AND (GEQ s74 1) (GEQ s262 1)), p3:(AND (GEQ s106 1) (GEQ s265 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 839 ms.
Product exploration explored 100000 steps with 50000 reset in 702 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 14 factoid took 336 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b06-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b06-LTLFireability-13 finished in 11731 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 58 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:12:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:31] [INFO ] Invariant cache hit.
[2023-03-19 19:12:31] [INFO ] Implicit Places using invariants in 448 ms returned []
[2023-03-19 19:12:31] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:31] [INFO ] Invariant cache hit.
[2023-03-19 19:12:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:12:39] [INFO ] Implicit Places using invariants and state equation in 7511 ms returned []
Implicit Place search using SMT with State Equation took 7972 ms to find 0 implicit places.
[2023-03-19 19:12:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:39] [INFO ] Invariant cache hit.
[2023-03-19 19:12:41] [INFO ] Dead Transitions using invariants and state equation in 2055 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10086 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 140 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s76 1) (LT s260 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 496 steps with 2 reset in 6 ms.
FORMULA Szymanski-PT-b06-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-14 finished in 10260 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((X(p1)||p0))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 50 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:12:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:41] [INFO ] Invariant cache hit.
[2023-03-19 19:12:41] [INFO ] Implicit Places using invariants in 414 ms returned []
[2023-03-19 19:12:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:41] [INFO ] Invariant cache hit.
[2023-03-19 19:12:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:12:48] [INFO ] Implicit Places using invariants and state equation in 6573 ms returned []
Implicit Place search using SMT with State Equation took 7018 ms to find 0 implicit places.
[2023-03-19 19:12:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:48] [INFO ] Invariant cache hit.
[2023-03-19 19:12:50] [INFO ] Dead Transitions using invariants and state equation in 2174 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9248 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s34 1) (LT s268 1)), p1:(OR (LT s59 1) (LT s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 0 reset in 389 ms.
Product exploration explored 100000 steps with 2 reset in 387 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 653 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-19 19:12:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:12:52] [INFO ] Invariant cache hit.
[2023-03-19 19:12:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:12:52] [INFO ] After 633ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-19 19:12:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:12:55] [INFO ] After 2244ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-19 19:12:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:12:58] [INFO ] After 2816ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-19 19:13:00] [INFO ] After 5373ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 9018 ms.
[2023-03-19 19:13:09] [INFO ] After 16697ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 189056 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :{}
Probabilistic random walk after 189056 steps, saw 87450 distinct states, run finished after 3001 ms. (steps per millisecond=62 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:13:12] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:13:12] [INFO ] Computed 2 place invariants in 13 ms
[2023-03-19 19:13:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:13:14] [INFO ] After 1375ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:13:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:13:16] [INFO ] After 1768ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:13:18] [INFO ] After 2741ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:22] [INFO ] After 6006ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1047 ms.
[2023-03-19 19:13:23] [INFO ] After 8910ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 183 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:13:23] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:13:23] [INFO ] Invariant cache hit.
[2023-03-19 19:13:24] [INFO ] Implicit Places using invariants in 467 ms returned []
[2023-03-19 19:13:24] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:13:24] [INFO ] Invariant cache hit.
[2023-03-19 19:13:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:13:29] [INFO ] Implicit Places using invariants and state equation in 5255 ms returned []
Implicit Place search using SMT with State Equation took 5741 ms to find 0 implicit places.
[2023-03-19 19:13:29] [INFO ] Redundant transitions in 644 ms returned []
[2023-03-19 19:13:29] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:13:29] [INFO ] Invariant cache hit.
[2023-03-19 19:13:32] [INFO ] Dead Transitions using invariants and state equation in 2204 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8811 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4808 edges and 305 vertex of which 26 / 305 are part of one of the 5 SCC in 4 ms
Free SCC test removed 21 places
Drop transitions removed 2656 transitions
Ensure Unique test removed 2771 transitions
Reduce isomorphic transitions removed 5427 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 284 transition count 2382
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 283 transition count 2381
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 282 transition count 2380
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6 place count 282 transition count 2378
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 10 place count 280 transition count 2378
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 278 transition count 2376
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 15 place count 278 transition count 2375
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 15 place count 278 transition count 2374
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 17 place count 277 transition count 2374
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 277 transition count 2373
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 276 transition count 2373
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 20 place count 276 transition count 2373
Applied a total of 20 rules in 227 ms. Remains 276 /305 variables (removed 29) and now considering 2373/7810 (removed 5437) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2373 rows 276 cols
[2023-03-19 19:13:32] [INFO ] Computed 2 place invariants in 16 ms
[2023-03-19 19:13:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:13:33] [INFO ] After 755ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:13:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 19:13:34] [INFO ] After 1109ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:34] [INFO ] State equation strengthened by 224 read => feed constraints.
[2023-03-19 19:13:34] [INFO ] After 519ms SMT Verify possible using 224 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:35] [INFO ] After 1285ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1140 ms.
[2023-03-19 19:13:36] [INFO ] After 3589ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (AND p1 (NOT p0))), (F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 12 factoid took 468 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 33 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:13:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:13:37] [INFO ] Computed 1 place invariants in 24 ms
[2023-03-19 19:13:37] [INFO ] Implicit Places using invariants in 491 ms returned []
[2023-03-19 19:13:37] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:13:37] [INFO ] Invariant cache hit.
[2023-03-19 19:13:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:13:45] [INFO ] Implicit Places using invariants and state equation in 7932 ms returned []
Implicit Place search using SMT with State Equation took 8425 ms to find 0 implicit places.
[2023-03-19 19:13:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:13:45] [INFO ] Invariant cache hit.
[2023-03-19 19:13:48] [INFO ] Dead Transitions using invariants and state equation in 2225 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10684 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 269 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10005 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:13:48] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:13:48] [INFO ] Invariant cache hit.
[2023-03-19 19:13:48] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:13:49] [INFO ] After 935ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:13:49] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:13:51] [INFO ] After 1388ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:51] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:13:52] [INFO ] After 1726ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:13:52] [INFO ] After 1909ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 358 ms.
[2023-03-19 19:13:53] [INFO ] After 3741ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 226 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 227 ms. Remains : 305/305 places, 7809/7936 transitions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 188077 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :{}
Probabilistic random walk after 188077 steps, saw 84502 distinct states, run finished after 3001 ms. (steps per millisecond=62 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:13:56] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2023-03-19 19:13:56] [INFO ] Computed 2 place invariants in 12 ms
[2023-03-19 19:13:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-19 19:13:57] [INFO ] After 980ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:13:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:13:59] [INFO ] After 1803ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:13:59] [INFO ] After 2853ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:13:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:13:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:14:00] [INFO ] After 832ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:14:09] [INFO ] After 9084ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:14:09] [INFO ] After 9985ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 18 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 204 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 212 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2023-03-19 19:14:09] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:14:09] [INFO ] Invariant cache hit.
[2023-03-19 19:14:10] [INFO ] Implicit Places using invariants in 449 ms returned []
[2023-03-19 19:14:10] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:14:10] [INFO ] Invariant cache hit.
[2023-03-19 19:14:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:14:17] [INFO ] Implicit Places using invariants and state equation in 7582 ms returned []
Implicit Place search using SMT with State Equation took 8034 ms to find 0 implicit places.
[2023-03-19 19:14:18] [INFO ] Redundant transitions in 658 ms returned []
[2023-03-19 19:14:18] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:14:18] [INFO ] Invariant cache hit.
[2023-03-19 19:14:20] [INFO ] Dead Transitions using invariants and state equation in 2080 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10995 ms. Remains : 305/305 places, 7809/7809 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2366
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2365
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1949
Applied a total of 420 rules in 127 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2023-03-19 19:14:20] [INFO ] Computed 2 place invariants in 19 ms
[2023-03-19 19:14:20] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 19:14:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:14:21] [INFO ] After 512ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:14:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 19:14:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:14:21] [INFO ] After 606ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:14:21] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:14:22] [INFO ] After 993ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:14:23] [INFO ] After 1269ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 210 ms.
[2023-03-19 19:14:23] [INFO ] After 2154ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 7 factoid took 327 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 4 reset in 514 ms.
Product exploration explored 100000 steps with 0 reset in 421 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:14:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:14:25] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 19:14:25] [INFO ] Implicit Places using invariants in 435 ms returned []
[2023-03-19 19:14:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:25] [INFO ] Invariant cache hit.
[2023-03-19 19:14:26] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:14:33] [INFO ] Implicit Places using invariants and state equation in 7859 ms returned []
Implicit Place search using SMT with State Equation took 8306 ms to find 0 implicit places.
[2023-03-19 19:14:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:33] [INFO ] Invariant cache hit.
[2023-03-19 19:14:35] [INFO ] Dead Transitions using invariants and state equation in 1959 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10300 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-15 finished in 114282 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(G(p0))))))'
Found a Lengthening insensitive property : Szymanski-PT-b06-LTLFireability-12
Stuttering acceptance computed with spot in 210 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 98 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:14:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:35] [INFO ] Invariant cache hit.
[2023-03-19 19:14:36] [INFO ] Implicit Places using invariants in 470 ms returned []
[2023-03-19 19:14:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:36] [INFO ] Invariant cache hit.
[2023-03-19 19:14:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:14:44] [INFO ] Implicit Places using invariants and state equation in 8150 ms returned []
Implicit Place search using SMT with State Equation took 8622 ms to find 0 implicit places.
[2023-03-19 19:14:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:44] [INFO ] Invariant cache hit.
[2023-03-19 19:14:46] [INFO ] Dead Transitions using invariants and state equation in 1996 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10718 ms. Remains : 305/306 places, 7936/8064 transitions.
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(OR (LT s16 1) (LT s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 5 reset in 377 ms.
Product exploration explored 100000 steps with 4 reset in 424 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 217 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10003 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 174256 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 174256 steps, saw 91360 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:14:50] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:14:50] [INFO ] Invariant cache hit.
[2023-03-19 19:14:50] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:14:52] [INFO ] After 1658ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:14:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:14:53] [INFO ] After 1411ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:14:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:15:01] [INFO ] After 7563ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:15:02] [INFO ] After 8392ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2625 ms.
[2023-03-19 19:15:04] [INFO ] After 12529ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 189 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10002 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 186692 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :{}
Probabilistic random walk after 186692 steps, saw 84320 distinct states, run finished after 3003 ms. (steps per millisecond=62 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:15:08] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:15:08] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-19 19:15:08] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:15:09] [INFO ] After 1673ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:15:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:15:11] [INFO ] After 1862ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:15:11] [INFO ] After 3603ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:15:11] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:15:13] [INFO ] After 1463ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:15:22] [INFO ] After 9098ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:15:22] [INFO ] After 10630ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 202 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:15:22] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:15:22] [INFO ] Invariant cache hit.
[2023-03-19 19:15:23] [INFO ] Implicit Places using invariants in 459 ms returned []
[2023-03-19 19:15:23] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:15:23] [INFO ] Invariant cache hit.
[2023-03-19 19:15:23] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:15:31] [INFO ] Implicit Places using invariants and state equation in 8246 ms returned []
Implicit Place search using SMT with State Equation took 8720 ms to find 0 implicit places.
[2023-03-19 19:15:32] [INFO ] Redundant transitions in 699 ms returned []
[2023-03-19 19:15:32] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:15:32] [INFO ] Invariant cache hit.
[2023-03-19 19:15:34] [INFO ] Dead Transitions using invariants and state equation in 2096 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11727 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 130 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 19:15:34] [INFO ] Computed 1 place invariants in 9 ms
[2023-03-19 19:15:34] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:15:35] [INFO ] After 713ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:15:35] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:15:35] [INFO ] After 264ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:15:35] [INFO ] After 1044ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:15:35] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:15:36] [INFO ] After 711ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:15:39] [INFO ] After 2756ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:15:39] [INFO ] After 2857ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 71 ms.
[2023-03-19 19:15:39] [INFO ] After 3696ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 101 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:15:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:15:39] [INFO ] Computed 1 place invariants in 15 ms
[2023-03-19 19:15:40] [INFO ] Implicit Places using invariants in 460 ms returned []
[2023-03-19 19:15:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:15:40] [INFO ] Invariant cache hit.
[2023-03-19 19:15:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:15:47] [INFO ] Implicit Places using invariants and state equation in 7164 ms returned []
Implicit Place search using SMT with State Equation took 7627 ms to find 0 implicit places.
[2023-03-19 19:15:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:15:47] [INFO ] Invariant cache hit.
[2023-03-19 19:15:49] [INFO ] Dead Transitions using invariants and state equation in 2127 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9804 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10002 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 175638 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 175638 steps, saw 91561 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:15:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:15:52] [INFO ] Invariant cache hit.
[2023-03-19 19:15:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:15:54] [INFO ] After 1709ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:15:54] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:15:55] [INFO ] After 1309ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:15:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:16:03] [INFO ] After 7158ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:16:03] [INFO ] After 7990ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2616 ms.
[2023-03-19 19:16:06] [INFO ] After 11988ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 189131 steps, run timeout after 3001 ms. (steps per millisecond=63 ) properties seen :{}
Probabilistic random walk after 189131 steps, saw 84731 distinct states, run finished after 3001 ms. (steps per millisecond=63 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:16:09] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:16:09] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 19:16:09] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:16:11] [INFO ] After 1680ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:16:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:16:13] [INFO ] After 1837ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:16:13] [INFO ] After 3603ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:16:13] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:16:14] [INFO ] After 1445ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:16:24] [INFO ] After 9075ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:16:24] [INFO ] After 10579ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:16:24] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:16:24] [INFO ] Invariant cache hit.
[2023-03-19 19:16:24] [INFO ] Implicit Places using invariants in 427 ms returned []
[2023-03-19 19:16:24] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:16:24] [INFO ] Invariant cache hit.
[2023-03-19 19:16:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:16:31] [INFO ] Implicit Places using invariants and state equation in 7038 ms returned []
Implicit Place search using SMT with State Equation took 7468 ms to find 0 implicit places.
[2023-03-19 19:16:32] [INFO ] Redundant transitions in 712 ms returned []
[2023-03-19 19:16:32] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:16:32] [INFO ] Invariant cache hit.
[2023-03-19 19:16:34] [INFO ] Dead Transitions using invariants and state equation in 2112 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10487 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 128 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 19:16:34] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-19 19:16:34] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:16:35] [INFO ] After 738ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:16:35] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:16:35] [INFO ] After 279ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:16:35] [INFO ] After 1086ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:16:35] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:16:36] [INFO ] After 658ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:16:39] [INFO ] After 2763ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:16:39] [INFO ] After 2864ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-19 19:16:39] [INFO ] After 3647ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 92 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 225 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 187 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 223 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15 reset in 577 ms.
Product exploration explored 100000 steps with 7 reset in 582 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 234 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 183 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:16:42] [INFO ] Redundant transitions in 665 ms returned []
[2023-03-19 19:16:42] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:16:42] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 19:16:44] [INFO ] Dead Transitions using invariants and state equation in 2275 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3137 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 28 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:16:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:16:44] [INFO ] Invariant cache hit.
[2023-03-19 19:16:45] [INFO ] Implicit Places using invariants in 447 ms returned []
[2023-03-19 19:16:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:16:45] [INFO ] Invariant cache hit.
[2023-03-19 19:16:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:16:52] [INFO ] Implicit Places using invariants and state equation in 7236 ms returned []
Implicit Place search using SMT with State Equation took 7684 ms to find 0 implicit places.
[2023-03-19 19:16:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:16:52] [INFO ] Invariant cache hit.
[2023-03-19 19:16:54] [INFO ] Dead Transitions using invariants and state equation in 2102 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9816 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-12 finished in 139366 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((X(p1)||p0))))'
Found a Lengthening insensitive property : Szymanski-PT-b06-LTLFireability-15
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 80 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 19:16:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:16:55] [INFO ] Invariant cache hit.
[2023-03-19 19:16:55] [INFO ] Implicit Places using invariants in 449 ms returned []
[2023-03-19 19:16:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:16:55] [INFO ] Invariant cache hit.
[2023-03-19 19:16:56] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:17:04] [INFO ] Implicit Places using invariants and state equation in 8343 ms returned []
Implicit Place search using SMT with State Equation took 8797 ms to find 0 implicit places.
[2023-03-19 19:17:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:17:04] [INFO ] Invariant cache hit.
[2023-03-19 19:17:06] [INFO ] Dead Transitions using invariants and state equation in 2171 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 11050 ms. Remains : 305/306 places, 7936/8064 transitions.
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s34 1) (LT s268 1)), p1:(OR (LT s59 1) (LT s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, sl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 0 reset in 371 ms.
Product exploration explored 100000 steps with 3 reset in 424 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 461 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10002 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-19 19:17:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:17:07] [INFO ] Invariant cache hit.
[2023-03-19 19:17:07] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:17:08] [INFO ] After 642ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-19 19:17:08] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:17:10] [INFO ] After 2204ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-19 19:17:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:17:13] [INFO ] After 2802ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-19 19:17:15] [INFO ] After 5364ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 9037 ms.
[2023-03-19 19:17:25] [INFO ] After 16680ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 214 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 180339 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :{}
Probabilistic random walk after 180339 steps, saw 86309 distinct states, run finished after 3002 ms. (steps per millisecond=60 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:17:28] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 19:17:28] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-19 19:17:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:17:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:17:29] [INFO ] After 1301ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:17:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:17:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2023-03-19 19:17:31] [INFO ] After 1742ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:17:31] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:17:34] [INFO ] After 2735ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:17:37] [INFO ] After 5983ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1042 ms.
[2023-03-19 19:17:38] [INFO ] After 8846ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 195 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 19:17:38] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:17:38] [INFO ] Invariant cache hit.
[2023-03-19 19:17:39] [INFO ] Implicit Places using invariants in 466 ms returned []
[2023-03-19 19:17:39] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:17:39] [INFO ] Invariant cache hit.
[2023-03-19 19:17:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:17:44] [INFO ] Implicit Places using invariants and state equation in 5084 ms returned []
Implicit Place search using SMT with State Equation took 5552 ms to find 0 implicit places.
[2023-03-19 19:17:45] [INFO ] Redundant transitions in 697 ms returned []
[2023-03-19 19:17:45] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 19:17:45] [INFO ] Invariant cache hit.
[2023-03-19 19:17:47] [INFO ] Dead Transitions using invariants and state equation in 2283 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8767 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4808 edges and 305 vertex of which 26 / 305 are part of one of the 5 SCC in 0 ms
Free SCC test removed 21 places
Drop transitions removed 2656 transitions
Ensure Unique test removed 2771 transitions
Reduce isomorphic transitions removed 5427 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 284 transition count 2382
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 283 transition count 2381
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 282 transition count 2380
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6 place count 282 transition count 2378
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 10 place count 280 transition count 2378
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 278 transition count 2376
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 15 place count 278 transition count 2375
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 15 place count 278 transition count 2374
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 17 place count 277 transition count 2374
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 277 transition count 2373
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 276 transition count 2373
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 20 place count 276 transition count 2373
Applied a total of 20 rules in 230 ms. Remains 276 /305 variables (removed 29) and now considering 2373/7810 (removed 5437) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2373 rows 276 cols
[2023-03-19 19:17:47] [INFO ] Computed 2 place invariants in 11 ms
[2023-03-19 19:17:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 19:17:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 19:17:48] [INFO ] After 770ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:17:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:17:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:17:49] [INFO ] After 1110ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:17:49] [INFO ] State equation strengthened by 224 read => feed constraints.
[2023-03-19 19:17:50] [INFO ] After 509ms SMT Verify possible using 224 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:17:50] [INFO ] After 1268ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1143 ms.
[2023-03-19 19:17:52] [INFO ] After 3586ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (AND p1 (NOT p0))), (F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 12 factoid took 537 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:17:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:17:52] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 19:17:53] [INFO ] Implicit Places using invariants in 460 ms returned []
[2023-03-19 19:17:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:17:53] [INFO ] Invariant cache hit.
[2023-03-19 19:17:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:18:00] [INFO ] Implicit Places using invariants and state equation in 6872 ms returned []
Implicit Place search using SMT with State Equation took 7336 ms to find 0 implicit places.
[2023-03-19 19:18:00] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:18:00] [INFO ] Invariant cache hit.
[2023-03-19 19:18:02] [INFO ] Dead Transitions using invariants and state equation in 2131 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9507 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 256 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 58 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 4 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:18:02] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:18:02] [INFO ] Invariant cache hit.
[2023-03-19 19:18:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:18:03] [INFO ] After 977ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:18:03] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:18:05] [INFO ] After 1398ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:18:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:18:06] [INFO ] After 1710ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:18:07] [INFO ] After 1892ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 358 ms.
[2023-03-19 19:18:07] [INFO ] After 3731ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 200 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 305/305 places, 7809/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 184911 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :{}
Probabilistic random walk after 184911 steps, saw 84159 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 19:18:10] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2023-03-19 19:18:10] [INFO ] Computed 2 place invariants in 12 ms
[2023-03-19 19:18:10] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 19:18:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:18:11] [INFO ] After 984ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 19:18:11] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:18:13] [INFO ] After 1821ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:18:13] [INFO ] After 2885ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:18:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:18:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:18:14] [INFO ] After 891ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:18:23] [INFO ] After 9078ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 19:18:23] [INFO ] After 10030ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 22 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 195 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 197 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2023-03-19 19:18:24] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:18:24] [INFO ] Invariant cache hit.
[2023-03-19 19:18:24] [INFO ] Implicit Places using invariants in 445 ms returned []
[2023-03-19 19:18:24] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:18:24] [INFO ] Invariant cache hit.
[2023-03-19 19:18:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:18:30] [INFO ] Implicit Places using invariants and state equation in 6398 ms returned []
Implicit Place search using SMT with State Equation took 6866 ms to find 0 implicit places.
[2023-03-19 19:18:31] [INFO ] Redundant transitions in 649 ms returned []
[2023-03-19 19:18:31] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 19:18:31] [INFO ] Invariant cache hit.
[2023-03-19 19:18:33] [INFO ] Dead Transitions using invariants and state equation in 2171 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9928 ms. Remains : 305/305 places, 7809/7809 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2366
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2365
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1949
Applied a total of 420 rules in 131 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2023-03-19 19:18:33] [INFO ] Computed 2 place invariants in 16 ms
[2023-03-19 19:18:33] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 19:18:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:18:34] [INFO ] After 509ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 19:18:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 19:18:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:18:35] [INFO ] After 547ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 19:18:35] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 19:18:36] [INFO ] After 996ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 19:18:36] [INFO ] After 1258ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 200 ms.
[2023-03-19 19:18:36] [INFO ] After 2080ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 7 factoid took 309 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1 reset in 487 ms.
Product exploration explored 100000 steps with 4 reset in 522 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 28 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 19:18:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 19:18:38] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 19:18:38] [INFO ] Implicit Places using invariants in 471 ms returned []
[2023-03-19 19:18:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:18:38] [INFO ] Invariant cache hit.
[2023-03-19 19:18:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:18:46] [INFO ] Implicit Places using invariants and state equation in 8296 ms returned []
Implicit Place search using SMT with State Equation took 8779 ms to find 0 implicit places.
[2023-03-19 19:18:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 19:18:46] [INFO ] Invariant cache hit.
[2023-03-19 19:18:49] [INFO ] Dead Transitions using invariants and state equation in 2142 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10976 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-15 finished in 114320 ms.
[2023-03-19 19:18:49] [INFO ] Flatten gal took : 223 ms
[2023-03-19 19:18:49] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-19 19:18:49] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 8064 transitions and 32128 arcs took 47 ms.
Total runtime 748248 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2095/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2095/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : Szymanski-PT-b06-LTLFireability-12
Could not compute solution for formula : Szymanski-PT-b06-LTLFireability-15

BK_STOP 1679253533333

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name Szymanski-PT-b06-LTLFireability-12
ltl formula formula --ltl=/tmp/2095/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 306 places, 8064 transitions and 32128 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.940 real 0.260 user 0.300 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2095/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2095/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2095/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2095/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 6 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name Szymanski-PT-b06-LTLFireability-15
ltl formula formula --ltl=/tmp/2095/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 306 places, 8064 transitions and 32128 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.870 real 0.260 user 0.280 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2095/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2095/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2095/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2095/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size

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="Szymanski-PT-b06"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Szymanski-PT-b06, 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 r489-tall-167912706800468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b06.tgz
mv Szymanski-PT-b06 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 ;