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-167912706800420.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-a06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912706800420
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.9K Feb 26 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 26 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 16:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 16:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 17:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 16:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Feb 26 16:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 16:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 26 16:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:18 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 101K 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-a06-LTLFireability-00
FORMULA_NAME Szymanski-PT-a06-LTLFireability-01
FORMULA_NAME Szymanski-PT-a06-LTLFireability-02
FORMULA_NAME Szymanski-PT-a06-LTLFireability-03
FORMULA_NAME Szymanski-PT-a06-LTLFireability-04
FORMULA_NAME Szymanski-PT-a06-LTLFireability-05
FORMULA_NAME Szymanski-PT-a06-LTLFireability-06
FORMULA_NAME Szymanski-PT-a06-LTLFireability-07
FORMULA_NAME Szymanski-PT-a06-LTLFireability-08
FORMULA_NAME Szymanski-PT-a06-LTLFireability-09
FORMULA_NAME Szymanski-PT-a06-LTLFireability-10
FORMULA_NAME Szymanski-PT-a06-LTLFireability-11
FORMULA_NAME Szymanski-PT-a06-LTLFireability-12
FORMULA_NAME Szymanski-PT-a06-LTLFireability-13
FORMULA_NAME Szymanski-PT-a06-LTLFireability-14
FORMULA_NAME Szymanski-PT-a06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679243109864

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-a06
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 16:25:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 16:25:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 16:25:11] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2023-03-19 16:25:11] [INFO ] Transformed 61 places.
[2023-03-19 16:25:11] [INFO ] Transformed 224 transitions.
[2023-03-19 16:25:11] [INFO ] Parsed PT model containing 61 places and 224 transitions and 900 arcs in 118 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 8 transitions.
FORMULA Szymanski-PT-a06-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a06-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a06-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 49 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 49/49 places, 216/216 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 47 transition count 216
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 46 transition count 212
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 46 transition count 212
Applied a total of 4 rules in 21 ms. Remains 46 /49 variables (removed 3) and now considering 212/216 (removed 4) transitions.
[2023-03-19 16:25:11] [INFO ] Flow matrix only has 78 transitions (discarded 134 similar events)
// Phase 1: matrix 78 rows 46 cols
[2023-03-19 16:25:11] [INFO ] Computed 1 place invariants in 9 ms
[2023-03-19 16:25:11] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-19 16:25:11] [INFO ] Implicit Places using invariants in 333 ms returned []
[2023-03-19 16:25:11] [INFO ] Flow matrix only has 78 transitions (discarded 134 similar events)
[2023-03-19 16:25:11] [INFO ] Invariant cache hit.
[2023-03-19 16:25:12] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:12] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 447 ms to find 0 implicit places.
[2023-03-19 16:25:12] [INFO ] Flow matrix only has 78 transitions (discarded 134 similar events)
[2023-03-19 16:25:12] [INFO ] Invariant cache hit.
[2023-03-19 16:25:12] [INFO ] Dead Transitions using invariants and state equation in 88 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/49 places, 212/216 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 558 ms. Remains : 46/49 places, 212/216 transitions.
Support contains 27 out of 46 places after structural reductions.
[2023-03-19 16:25:12] [INFO ] Flatten gal took : 37 ms
[2023-03-19 16:25:12] [INFO ] Flatten gal took : 22 ms
[2023-03-19 16:25:12] [INFO ] Input system was already deterministic with 212 transitions.
Incomplete random walk after 10000 steps, including 17 resets, run finished after 291 ms. (steps per millisecond=34 ) properties (out of 24) seen :20
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-19 16:25:12] [INFO ] Flow matrix only has 78 transitions (discarded 134 similar events)
[2023-03-19 16:25:12] [INFO ] Invariant cache hit.
[2023-03-19 16:25:12] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 16:25:13] [INFO ] After 42ms SMT Verify possible using state equation in real domain returned unsat :2 sat :1 real:1
[2023-03-19 16:25:13] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:13] [INFO ] After 6ms SMT Verify possible using 9 Read/Feed constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-19 16:25:13] [INFO ] After 102ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-19 16:25:13] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 16:25:13] [INFO ] After 24ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-19 16:25:13] [INFO ] After 8ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-19 16:25:13] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-19 16:25:13] [INFO ] After 93ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 46/46 places, 212/212 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 210
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 5 place count 43 transition count 198
Iterating global reduction 1 with 3 rules applied. Total rules applied 8 place count 43 transition count 198
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 1 with 16 rules applied. Total rules applied 24 place count 43 transition count 182
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 25 place count 42 transition count 178
Iterating global reduction 1 with 1 rules applied. Total rules applied 26 place count 42 transition count 178
Applied a total of 26 rules in 26 ms. Remains 42 /46 variables (removed 4) and now considering 178/212 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 42/46 places, 178/212 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) 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 2) seen :0
Finished probabilistic random walk after 211 steps, run visited all 2 properties in 16 ms. (steps per millisecond=13 )
Probabilistic random walk after 211 steps, saw 165 distinct states, run finished after 16 ms. (steps per millisecond=13 ) properties seen :2
FORMULA Szymanski-PT-a06-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA Szymanski-PT-a06-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-a06-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 8 stabilizing places and 32 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0||X(F(p1)))))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Applied a total of 8 rules in 4 ms. Remains 42 /46 variables (removed 4) and now considering 196/212 (removed 16) transitions.
[2023-03-19 16:25:13] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2023-03-19 16:25:13] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-19 16:25:13] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-19 16:25:13] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:13] [INFO ] Invariant cache hit.
[2023-03-19 16:25:13] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:13] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
[2023-03-19 16:25:13] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:13] [INFO ] Invariant cache hit.
[2023-03-19 16:25:13] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 196/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 190 ms. Remains : 42/46 places, 196/212 transitions.
Stuttering acceptance computed with spot in 263 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s17 1)), p1:(AND (GEQ s2 1) (GEQ s26 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 110 steps with 0 reset in 4 ms.
FORMULA Szymanski-PT-a06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-02 finished in 567 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(p1)||p0)))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Applied a total of 8 rules in 4 ms. Remains 42 /46 variables (removed 4) and now considering 196/212 (removed 16) transitions.
[2023-03-19 16:25:14] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:14] [INFO ] Invariant cache hit.
[2023-03-19 16:25:14] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 16:25:14] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:14] [INFO ] Invariant cache hit.
[2023-03-19 16:25:14] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:14] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
[2023-03-19 16:25:14] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:14] [INFO ] Invariant cache hit.
[2023-03-19 16:25:14] [INFO ] Dead Transitions using invariants and state equation in 68 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 196/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 174 ms. Remains : 42/46 places, 196/212 transitions.
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p1:(OR (LT s0 1) (LT s31 1)), p0:(OR (LT s4 1) (LT s11 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 284 ms.
Product exploration explored 100000 steps with 33333 reset in 174 ms.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Detected a total of 8/42 stabilizing places and 32/196 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p1 p0)
Knowledge based reduction with 4 factoid took 143 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-a06-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-a06-LTLFireability-03 finished in 898 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U X(p1))&&(!p2 U (p3||G(!p2)))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Applied a total of 8 rules in 4 ms. Remains 42 /46 variables (removed 4) and now considering 196/212 (removed 16) transitions.
[2023-03-19 16:25:14] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:14] [INFO ] Invariant cache hit.
[2023-03-19 16:25:15] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 16:25:15] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:15] [INFO ] Invariant cache hit.
[2023-03-19 16:25:15] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:15] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2023-03-19 16:25:15] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:15] [INFO ] Invariant cache hit.
[2023-03-19 16:25:15] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 196/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 213 ms. Remains : 42/46 places, 196/212 transitions.
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p1) (AND p2 (NOT p3))), true, (NOT p1), (AND (NOT p3) p2), (NOT p1)]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p3) p2), acceptance={} source=0 dest: 1}, { cond=(OR (AND p0 p3) (AND p0 (NOT p2))), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(OR (AND (NOT p0) p3) (AND (NOT p0) (NOT p2))), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}], [{ cond=(AND (NOT p3) p2), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=4 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p3:(AND (NOT (AND (GEQ s2 1) (GEQ s39 1))) (NOT (AND (GEQ s1 1) (GEQ s35 1)))), p2:(AND (GEQ s1 1) (GEQ s35 1)), p0:(AND (GEQ s2 1) (GEQ s35 1)), p1:(AND ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 30 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-a06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-05 finished in 420 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(((!p1 U (p2||G(!p1)))||p0)))'
Support contains 6 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 24 place count 42 transition count 180
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 41 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 41 transition count 176
Applied a total of 26 rules in 23 ms. Remains 41 /46 variables (removed 5) and now considering 176/212 (removed 36) transitions.
[2023-03-19 16:25:15] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
// Phase 1: matrix 69 rows 41 cols
[2023-03-19 16:25:15] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:15] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-19 16:25:15] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2023-03-19 16:25:15] [INFO ] Invariant cache hit.
[2023-03-19 16:25:15] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:15] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-19 16:25:15] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-19 16:25:15] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2023-03-19 16:25:15] [INFO ] Invariant cache hit.
[2023-03-19 16:25:15] [INFO ] Dead Transitions using invariants and state equation in 71 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/46 places, 176/212 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 191 ms. Remains : 41/46 places, 176/212 transitions.
Stuttering acceptance computed with spot in 89 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0))]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=p2, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(OR p0 p2), acceptance={} source=2 dest: 2}]], initial=2, aps=[p2:(AND (NOT (AND (GEQ s2 1) (GEQ s21 1))) (NOT (AND (GEQ s3 1) (GEQ s9 1)))), p1:(AND (GEQ s2 1) (GEQ s21 1)), p0:(OR (LT s1 1) (LT s30 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 500 reset in 245 ms.
Product exploration explored 100000 steps with 502 reset in 261 ms.
Computed a total of 8 stabilizing places and 32 stable transitions
Computed a total of 8 stabilizing places and 32 stable transitions
Knowledge obtained : [(AND p2 (NOT p1) p0), (X p2), (X (OR p0 p2)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (X p2)), true, (X (X (OR p0 p2))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 596 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 7 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-19 16:25:16] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2023-03-19 16:25:16] [INFO ] Invariant cache hit.
[2023-03-19 16:25:17] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 16:25:17] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 16:25:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 16:25:17] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p2 (NOT p1) p0), (X p2), (X (OR p0 p2)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (X p2)), true, (X (X (OR p0 p2))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (G (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (G (NOT (AND (NOT p0) p1 (NOT p2)))), (G (OR p0 p2))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT p2)), (F (AND (NOT p1) (NOT p2)))]
Property proved to be true thanks to knowledge :(G (NOT (AND (NOT p0) p1 (NOT p2))))
Knowledge based reduction with 17 factoid took 499 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-a06-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-a06-LTLFireability-06 finished in 2189 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 200
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 200
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 22 place count 43 transition count 184
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 24 place count 41 transition count 176
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 41 transition count 176
Applied a total of 26 rules in 13 ms. Remains 41 /46 variables (removed 5) and now considering 176/212 (removed 36) transitions.
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
// Phase 1: matrix 69 rows 41 cols
[2023-03-19 16:25:17] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:17] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2023-03-19 16:25:17] [INFO ] Invariant cache hit.
[2023-03-19 16:25:17] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:17] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-19 16:25:17] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 69 transitions (discarded 107 similar events)
[2023-03-19 16:25:17] [INFO ] Invariant cache hit.
[2023-03-19 16:25:17] [INFO ] Dead Transitions using invariants and state equation in 62 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/46 places, 176/212 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 181 ms. Remains : 41/46 places, 176/212 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s17 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 220 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-a06-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-07 finished in 231 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((X(p1)&&p0))))'
Support contains 8 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 200
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 200
Applied a total of 6 rules in 6 ms. Remains 43 /46 variables (removed 3) and now considering 200/212 (removed 12) transitions.
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2023-03-19 16:25:17] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:17] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2023-03-19 16:25:17] [INFO ] Invariant cache hit.
[2023-03-19 16:25:17] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:17] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-19 16:25:17] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2023-03-19 16:25:17] [INFO ] Invariant cache hit.
[2023-03-19 16:25:17] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 200/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 165 ms. Remains : 43/46 places, 200/212 transitions.
Stuttering acceptance computed with spot in 117 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s2 1) (GEQ s21 1) (OR (LT s0 1) (LT s15 1) (AND (GEQ s1 1) (GEQ s32 1)))), p1:(AND (GEQ s3 1) (GEQ s36 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 155 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a06-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-09 finished in 302 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U X(p1))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 43 transition count 200
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 200
Applied a total of 6 rules in 6 ms. Remains 43 /46 variables (removed 3) and now considering 200/212 (removed 12) transitions.
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
// Phase 1: matrix 75 rows 43 cols
[2023-03-19 16:25:18] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 75 transitions (discarded 125 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] Dead Transitions using invariants and state equation in 76 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 43/46 places, 200/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 187 ms. Remains : 43/46 places, 200/212 transitions.
Stuttering acceptance computed with spot in 250 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 0}]], initial=4, aps=[p0:(AND (GEQ s0 1) (GEQ s12 1)), p1:(AND (GEQ s1 1) (GEQ s10 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 89 steps with 2 reset in 1 ms.
FORMULA Szymanski-PT-a06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-10 finished in 455 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!p0)))'
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Applied a total of 8 rules in 15 ms. Remains 42 /46 variables (removed 4) and now considering 196/212 (removed 16) transitions.
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2023-03-19 16:25:18] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 196/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 182 ms. Remains : 42/46 places, 196/212 transitions.
Stuttering acceptance computed with spot in 59 ms :[p0, p0]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s31 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 114 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-a06-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-12 finished in 258 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 G(!p1))&&G(F(p0))))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 24 place count 42 transition count 180
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 40 transition count 172
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 40 transition count 172
Applied a total of 28 rules in 18 ms. Remains 40 /46 variables (removed 6) and now considering 172/212 (removed 40) transitions.
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
// Phase 1: matrix 68 rows 40 cols
[2023-03-19 16:25:18] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:18] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
[2023-03-19 16:25:18] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 16:25:18] [INFO ] Flow matrix only has 68 transitions (discarded 104 similar events)
[2023-03-19 16:25:18] [INFO ] Invariant cache hit.
[2023-03-19 16:25:18] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/46 places, 172/212 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 180 ms. Remains : 40/46 places, 172/212 transitions.
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p0) p1), true, p1, (NOT p0), (NOT p0), p1]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 3}, { cond=(OR (NOT p1) p0), acceptance={} source=0 dest: 4}, { cond=p0, acceptance={} source=0 dest: 5}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 5}, { cond=(AND p1 p0), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s2 1) (GEQ s36 1)), p0:(OR (LT s2 1) (LT s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null, null][true, true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 180 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-a06-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-13 finished in 396 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&&F(p1)))))'
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 212/212 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 42 transition count 196
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 42 transition count 196
Applied a total of 8 rules in 5 ms. Remains 42 /46 variables (removed 4) and now considering 196/212 (removed 16) transitions.
[2023-03-19 16:25:19] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
// Phase 1: matrix 74 rows 42 cols
[2023-03-19 16:25:19] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-19 16:25:19] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-19 16:25:19] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:19] [INFO ] Invariant cache hit.
[2023-03-19 16:25:19] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-19 16:25:19] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-19 16:25:19] [INFO ] Flow matrix only has 74 transitions (discarded 122 similar events)
[2023-03-19 16:25:19] [INFO ] Invariant cache hit.
[2023-03-19 16:25:19] [INFO ] Dead Transitions using invariants and state equation in 69 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 42/46 places, 196/212 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 171 ms. Remains : 42/46 places, 196/212 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : Szymanski-PT-a06-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s1 1) (LT s23 1)), p1:(AND (GEQ s2 1) (GEQ s21 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 239 steps with 2 reset in 2 ms.
FORMULA Szymanski-PT-a06-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-a06-LTLFireability-14 finished in 305 ms.
All properties solved by simple procedures.
Total runtime 8186 ms.
ITS solved all properties within timeout

BK_STOP 1679243120534

--------------------
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

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-a06"
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-a06, 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-167912706800420"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-a06.tgz
mv Szymanski-PT-a06 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 ;