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.r137-smll-167819418700508.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 DoubleLock-PT-p1s1, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r137-smll-167819418700508
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 5.5K Feb 25 14:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 14:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 14:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 14:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 14:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 25 14:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 14:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 14:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 93K Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-00
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-01
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-02
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-03
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-04
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-05
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-06
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-07
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-08
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-09
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-10
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-11
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-12
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-13
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-14
FORMULA_NAME DoubleLock-PT-p1s1-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678902885327

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=DoubleLock-PT-p1s1
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 17:54:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-15 17:54:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 17:54:48] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2023-03-15 17:54:48] [INFO ] Transformed 64 places.
[2023-03-15 17:54:48] [INFO ] Transformed 204 transitions.
[2023-03-15 17:54:48] [INFO ] Parsed PT model containing 64 places and 204 transitions and 828 arcs in 221 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p1s1-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s1-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 196/196 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 52 transition count 196
Applied a total of 4 rules in 19 ms. Remains 52 /56 variables (removed 4) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:54:48] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 52 cols
[2023-03-15 17:54:48] [INFO ] Computed 2 place invariants in 11 ms
[2023-03-15 17:54:48] [INFO ] Implicit Places using invariants in 206 ms returned []
[2023-03-15 17:54:48] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:54:48] [INFO ] Invariant cache hit.
[2023-03-15 17:54:48] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:54:48] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 449 ms to find 0 implicit places.
[2023-03-15 17:54:48] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:54:48] [INFO ] Invariant cache hit.
[2023-03-15 17:54:48] [INFO ] Dead Transitions using invariants and state equation in 179 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 52/56 places, 196/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 654 ms. Remains : 52/56 places, 196/196 transitions.
Support contains 35 out of 52 places after structural reductions.
[2023-03-15 17:54:49] [INFO ] Flatten gal took : 76 ms
[2023-03-15 17:54:49] [INFO ] Flatten gal took : 28 ms
[2023-03-15 17:54:49] [INFO ] Input system was already deterministic with 196 transitions.
Incomplete random walk after 10000 steps, including 78 resets, run finished after 202 ms. (steps per millisecond=49 ) properties (out of 30) seen :29
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 17:54:49] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:54:49] [INFO ] Invariant cache hit.
[2023-03-15 17:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:54:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-15 17:54:49] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA DoubleLock-PT-p1s1-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 4 stabilizing places and 24 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' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 69 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:54:50] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
// Phase 1: matrix 112 rows 44 cols
[2023-03-15 17:54:50] [INFO ] Computed 2 place invariants in 11 ms
[2023-03-15 17:54:50] [INFO ] Implicit Places using invariants in 90 ms returned []
[2023-03-15 17:54:50] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:50] [INFO ] Invariant cache hit.
[2023-03-15 17:54:50] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:54:50] [INFO ] Implicit Places using invariants and state equation in 206 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2023-03-15 17:54:50] [INFO ] Redundant transitions in 9 ms returned []
[2023-03-15 17:54:50] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:50] [INFO ] Invariant cache hit.
[2023-03-15 17:54:50] [INFO ] Dead Transitions using invariants and state equation in 157 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 552 ms. Remains : 44/52 places, 156/196 transitions.
Stuttering acceptance computed with spot in 321 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s16 1)), p1:(OR (LT s3 1) (LT s17 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 37 steps with 1 reset in 5 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-00 finished in 957 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(G(F(((p0 U p1)&&(X(p2)||p2))))))'
Support contains 5 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 41 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:54:51] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:51] [INFO ] Invariant cache hit.
[2023-03-15 17:54:51] [INFO ] Implicit Places using invariants in 150 ms returned []
[2023-03-15 17:54:51] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:51] [INFO ] Invariant cache hit.
[2023-03-15 17:54:51] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:54:51] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 301 ms to find 0 implicit places.
[2023-03-15 17:54:51] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-15 17:54:51] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:51] [INFO ] Invariant cache hit.
[2023-03-15 17:54:51] [INFO ] Dead Transitions using invariants and state equation in 133 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 491 ms. Remains : 44/52 places, 156/196 transitions.
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 2}, { cond=(OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), acceptance={0} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=3 dest: 2}, { cond=(OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s9 1) (GEQ s19 1)), p0:(AND (GEQ s1 1) (GEQ s28 1)), p2:(AND (GEQ s1 1) (GEQ s17 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 97 steps with 1 reset in 4 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-01 finished in 725 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) U G(p0)))'
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 33 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:54:51] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:51] [INFO ] Invariant cache hit.
[2023-03-15 17:54:51] [INFO ] Implicit Places using invariants in 60 ms returned []
[2023-03-15 17:54:51] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:52] [INFO ] Invariant cache hit.
[2023-03-15 17:54:52] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:54:52] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
[2023-03-15 17:54:52] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-15 17:54:52] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:52] [INFO ] Invariant cache hit.
[2023-03-15 17:54:52] [INFO ] Dead Transitions using invariants and state equation in 130 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 428 ms. Remains : 44/52 places, 156/196 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (AND p0 p1), (NOT p0), true]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}, { cond=(AND p0 p1), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s5 1) (GEQ s42 1)), p1:(AND (GEQ s2 1) (GEQ s12 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 277 steps with 7 reset in 7 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-02 finished in 642 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0)) U (F(p1) U p2)))'
Support contains 6 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Applied a total of 10 rules in 12 ms. Remains 47 /52 variables (removed 5) and now considering 168/196 (removed 28) transitions.
[2023-03-15 17:54:52] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
// Phase 1: matrix 125 rows 47 cols
[2023-03-15 17:54:52] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:54:52] [INFO ] Implicit Places using invariants in 70 ms returned []
[2023-03-15 17:54:52] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
[2023-03-15 17:54:52] [INFO ] Invariant cache hit.
[2023-03-15 17:54:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:54:52] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2023-03-15 17:54:52] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
[2023-03-15 17:54:52] [INFO ] Invariant cache hit.
[2023-03-15 17:54:52] [INFO ] Dead Transitions using invariants and state equation in 104 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 47/52 places, 168/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 318 ms. Remains : 47/52 places, 168/196 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=(NOT p2), acceptance={0} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 3}, { cond=(NOT p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(AND (GEQ s1 1) (GEQ s46 1)), p1:(AND (GEQ s8 1) (GEQ s36 1)), p0:(AND (GEQ s7 1) (GEQ s33 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 337 steps with 2 reset in 6 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-03 finished in 553 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p1))&&X(G((p2||X(!p0))))))'
Support contains 6 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Applied a total of 10 rules in 10 ms. Remains 47 /52 variables (removed 5) and now considering 168/196 (removed 28) transitions.
[2023-03-15 17:54:53] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
[2023-03-15 17:54:53] [INFO ] Invariant cache hit.
[2023-03-15 17:54:53] [INFO ] Implicit Places using invariants in 104 ms returned []
[2023-03-15 17:54:53] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
[2023-03-15 17:54:53] [INFO ] Invariant cache hit.
[2023-03-15 17:54:53] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:54:53] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2023-03-15 17:54:53] [INFO ] Flow matrix only has 125 transitions (discarded 43 similar events)
[2023-03-15 17:54:53] [INFO ] Invariant cache hit.
[2023-03-15 17:54:53] [INFO ] Dead Transitions using invariants and state equation in 103 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 47/52 places, 168/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 353 ms. Remains : 47/52 places, 168/196 transitions.
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p1) (AND p0 (NOT p2))), (NOT p1), (AND (NOT p2) p0), (NOT p1), true, p0]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p2), acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=p0, acceptance={} source=5 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s9 1) (GEQ s45 1)), p1:(AND (GEQ s8 1) (GEQ s35 1)), p2:(AND (GEQ s2 1) (GEQ s25 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-04 finished in 631 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 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Applied a total of 14 rules in 29 ms. Remains 45 /52 variables (removed 7) and now considering 160/196 (removed 36) transitions.
[2023-03-15 17:54:53] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
// Phase 1: matrix 120 rows 45 cols
[2023-03-15 17:54:53] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:54:53] [INFO ] Implicit Places using invariants in 220 ms returned []
[2023-03-15 17:54:53] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:53] [INFO ] Invariant cache hit.
[2023-03-15 17:54:54] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:54:54] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2023-03-15 17:54:54] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-15 17:54:54] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:54] [INFO ] Invariant cache hit.
[2023-03-15 17:54:54] [INFO ] Dead Transitions using invariants and state equation in 112 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 45/52 places, 160/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 542 ms. Remains : 45/52 places, 160/196 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p0)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s1 1) (LT s34 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 888 reset in 408 ms.
Product exploration explored 100000 steps with 886 reset in 378 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 122 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Finished random walk after 533 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=266 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 145 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Support contains 2 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 160/160 transitions.
Applied a total of 0 rules in 6 ms. Remains 45 /45 variables (removed 0) and now considering 160/160 (removed 0) transitions.
[2023-03-15 17:54:55] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:55] [INFO ] Invariant cache hit.
[2023-03-15 17:54:55] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-15 17:54:55] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:55] [INFO ] Invariant cache hit.
[2023-03-15 17:54:55] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:54:55] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2023-03-15 17:54:55] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:54:55] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:55] [INFO ] Invariant cache hit.
[2023-03-15 17:54:55] [INFO ] Dead Transitions using invariants and state equation in 100 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 349 ms. Remains : 45/45 places, 160/160 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 117 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Finished random walk after 294 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=147 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 136 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 922 reset in 222 ms.
Product exploration explored 100000 steps with 900 reset in 457 ms.
Support contains 2 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 160/160 transitions.
Applied a total of 0 rules in 5 ms. Remains 45 /45 variables (removed 0) and now considering 160/160 (removed 0) transitions.
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:57] [INFO ] Invariant cache hit.
[2023-03-15 17:54:57] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:57] [INFO ] Invariant cache hit.
[2023-03-15 17:54:57] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-15 17:54:57] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2023-03-15 17:54:57] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 120 transitions (discarded 40 similar events)
[2023-03-15 17:54:57] [INFO ] Invariant cache hit.
[2023-03-15 17:54:57] [INFO ] Dead Transitions using invariants and state equation in 115 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 335 ms. Remains : 45/45 places, 160/160 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-06 finished in 3767 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 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 23 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
// Phase 1: matrix 112 rows 44 cols
[2023-03-15 17:54:57] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:54:57] [INFO ] Implicit Places using invariants in 70 ms returned []
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:57] [INFO ] Invariant cache hit.
[2023-03-15 17:54:57] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:54:57] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
[2023-03-15 17:54:57] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:54:57] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:57] [INFO ] Invariant cache hit.
[2023-03-15 17:54:57] [INFO ] Dead Transitions using invariants and state equation in 96 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 372 ms. Remains : 44/52 places, 156/196 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s32 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 965 reset in 186 ms.
Product exploration explored 100000 steps with 919 reset in 250 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 116 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Finished random walk after 332 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=166 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 5 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:54:58] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:58] [INFO ] Invariant cache hit.
[2023-03-15 17:54:58] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-15 17:54:58] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:58] [INFO ] Invariant cache hit.
[2023-03-15 17:54:58] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:54:58] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 196 ms to find 0 implicit places.
[2023-03-15 17:54:58] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:54:58] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:54:58] [INFO ] Invariant cache hit.
[2023-03-15 17:54:59] [INFO ] Dead Transitions using invariants and state equation in 104 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 315 ms. Remains : 44/44 places, 156/156 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 121 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Finished random walk after 313 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=156 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 356 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 902 reset in 216 ms.
Product exploration explored 100000 steps with 959 reset in 210 ms.
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 6 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:00] [INFO ] Invariant cache hit.
[2023-03-15 17:55:00] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:00] [INFO ] Invariant cache hit.
[2023-03-15 17:55:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:00] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
[2023-03-15 17:55:00] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:00] [INFO ] Invariant cache hit.
[2023-03-15 17:55:00] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 325 ms. Remains : 44/44 places, 156/156 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-09 finished in 3030 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0)||(X(!p1) U G(p2))))))'
Support contains 5 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Applied a total of 8 rules in 6 ms. Remains 48 /52 variables (removed 4) and now considering 176/196 (removed 20) transitions.
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
// Phase 1: matrix 132 rows 48 cols
[2023-03-15 17:55:00] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:55:00] [INFO ] Implicit Places using invariants in 60 ms returned []
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:00] [INFO ] Invariant cache hit.
[2023-03-15 17:55:00] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:00] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2023-03-15 17:55:00] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:00] [INFO ] Invariant cache hit.
[2023-03-15 17:55:00] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 48/52 places, 176/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 301 ms. Remains : 48/52 places, 176/196 transitions.
Stuttering acceptance computed with spot in 288 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) p1), (AND (NOT p0) (NOT p2) p1), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p2), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=4 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=6 dest: 5}, { cond=(AND (NOT p0) p2), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s37 1)), p2:(AND (GEQ s1 1) (GEQ s28 1)), p1:(AND (GEQ s3 1) (GEQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 22385 reset in 249 ms.
Product exploration explored 100000 steps with 22275 reset in 269 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), true, (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 442 ms. Reduced automaton from 7 states, 15 edges and 3 AP (stutter sensitive) to 7 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 296 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) p1), (AND (NOT p0) (NOT p2) p1), (NOT p0), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 67 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 6) seen :5
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 17:55:02] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:02] [INFO ] Invariant cache hit.
[2023-03-15 17:55:02] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-15 17:55:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:02] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) p2))), true, (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (G (NOT (AND (NOT p0) p1 p2)))]
False Knowledge obtained : [(F (AND (NOT p0) p1 (NOT p2))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F (AND (NOT p0) p1)), (F (AND (NOT p0) p2))]
Knowledge based reduction with 10 factoid took 607 ms. Reduced automaton from 7 states, 15 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
Stuttering acceptance computed with spot in 205 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
[2023-03-15 17:55:03] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:03] [INFO ] Invariant cache hit.
[2023-03-15 17:55:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:03] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2023-03-15 17:55:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:03] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2023-03-15 17:55:03] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:03] [INFO ] [Nat]Added 22 Read/Feed constraints in 8 ms returned sat
[2023-03-15 17:55:03] [INFO ] Computed and/alt/rep : 56/353/56 causal constraints (skipped 74 transitions) in 18 ms.
[2023-03-15 17:55:03] [INFO ] Added : 8 causal constraints over 2 iterations in 71 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 5 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 176/176 transitions.
Applied a total of 0 rules in 2 ms. Remains 48 /48 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2023-03-15 17:55:03] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:03] [INFO ] Invariant cache hit.
[2023-03-15 17:55:04] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-15 17:55:04] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:04] [INFO ] Invariant cache hit.
[2023-03-15 17:55:04] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:04] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
[2023-03-15 17:55:04] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:04] [INFO ] Invariant cache hit.
[2023-03-15 17:55:04] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 312 ms. Remains : 48/48 places, 176/176 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p0)), (X (AND (NOT p0) (NOT p2))), (X (X (NOT p0))), true, (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 438 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
Finished random walk after 205 steps, including 0 resets, run visited all 4 properties in 4 ms. (steps per millisecond=51 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p0)), (X (AND (NOT p0) (NOT p2))), (X (X (NOT p0))), true, (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT (AND (NOT p2) (NOT p0)))), (F (AND p2 (NOT p0))), (F p0)]
Knowledge based reduction with 8 factoid took 454 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 202 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
Stuttering acceptance computed with spot in 210 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
[2023-03-15 17:55:05] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:05] [INFO ] Invariant cache hit.
[2023-03-15 17:55:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-15 17:55:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:06] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2023-03-15 17:55:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 17:55:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-15 17:55:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 17:55:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 17:55:06] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-15 17:55:06] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:06] [INFO ] [Nat]Added 22 Read/Feed constraints in 7 ms returned sat
[2023-03-15 17:55:06] [INFO ] Computed and/alt/rep : 56/353/56 causal constraints (skipped 74 transitions) in 36 ms.
[2023-03-15 17:55:06] [INFO ] Added : 8 causal constraints over 2 iterations in 101 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 205 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
Product exploration explored 100000 steps with 22242 reset in 160 ms.
Product exploration explored 100000 steps with 22183 reset in 175 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 223 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (NOT p0)]
Support contains 5 out of 48 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 48/48 places, 176/176 transitions.
Applied a total of 0 rules in 7 ms. Remains 48 /48 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2023-03-15 17:55:07] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:07] [INFO ] Invariant cache hit.
[2023-03-15 17:55:07] [INFO ] Dead Transitions using invariants and state equation in 105 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 131 ms. Remains : 48/48 places, 176/176 transitions.
Support contains 5 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 176/176 transitions.
Applied a total of 0 rules in 1 ms. Remains 48 /48 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:07] [INFO ] Invariant cache hit.
[2023-03-15 17:55:07] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:07] [INFO ] Invariant cache hit.
[2023-03-15 17:55:07] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:07] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:07] [INFO ] Invariant cache hit.
[2023-03-15 17:55:07] [INFO ] Dead Transitions using invariants and state equation in 117 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 48/48 places, 176/176 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-10 finished in 7295 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(F((p0||G(p1)))))))'
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 21 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
// Phase 1: matrix 112 rows 44 cols
[2023-03-15 17:55:07] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:55:07] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-15 17:55:07] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:07] [INFO ] Invariant cache hit.
[2023-03-15 17:55:07] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:08] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2023-03-15 17:55:08] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:08] [INFO ] Invariant cache hit.
[2023-03-15 17:55:08] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 314 ms. Remains : 44/52 places, 156/196 transitions.
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-11 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}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(OR (LT s8 1) (LT s19 1)), p0:(AND (GEQ s6 1) (GEQ s33 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 1528 reset in 362 ms.
Product exploration explored 100000 steps with 1559 reset in 282 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 90 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 967 steps, including 7 resets, run visited all 2 properties in 4 ms. (steps per millisecond=241 )
Knowledge obtained : [(AND p1 (NOT p0)), true]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 228 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 0 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:09] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:09] [INFO ] Invariant cache hit.
[2023-03-15 17:55:09] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-15 17:55:09] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:09] [INFO ] Invariant cache hit.
[2023-03-15 17:55:09] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:09] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 185 ms to find 0 implicit places.
[2023-03-15 17:55:09] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:09] [INFO ] Invariant cache hit.
[2023-03-15 17:55:10] [INFO ] Dead Transitions using invariants and state equation in 108 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 297 ms. Remains : 44/44 places, 156/156 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 91 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 349 steps, including 2 resets, run visited all 2 properties in 2 ms. (steps per millisecond=174 )
Knowledge obtained : [(AND (NOT p0) p1), true]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 133 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1514 reset in 200 ms.
Product exploration explored 100000 steps with 1507 reset in 217 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 3 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:11] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:55:11] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:11] [INFO ] Invariant cache hit.
[2023-03-15 17:55:11] [INFO ] Dead Transitions using invariants and state equation in 92 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 104 ms. Remains : 44/44 places, 156/156 transitions.
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:11] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:11] [INFO ] Invariant cache hit.
[2023-03-15 17:55:11] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-15 17:55:11] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:11] [INFO ] Invariant cache hit.
[2023-03-15 17:55:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:11] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2023-03-15 17:55:11] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:11] [INFO ] Invariant cache hit.
[2023-03-15 17:55:11] [INFO ] Dead Transitions using invariants and state equation in 90 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 279 ms. Remains : 44/44 places, 156/156 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-11 finished in 4142 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(F(p0))))))'
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:11] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 52 cols
[2023-03-15 17:55:11] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-15 17:55:12] [INFO ] Implicit Places using invariants in 75 ms returned []
[2023-03-15 17:55:12] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:12] [INFO ] Invariant cache hit.
[2023-03-15 17:55:12] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:12] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2023-03-15 17:55:12] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:12] [INFO ] Invariant cache hit.
[2023-03-15 17:55:12] [INFO ] Dead Transitions using invariants and state equation in 126 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 367 ms. Remains : 52/52 places, 196/196 transitions.
Stuttering acceptance computed with spot in 181 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p0:(OR (LT s10 1) (LT s50 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 20000 reset in 143 ms.
Product exploration explored 100000 steps with 20000 reset in 158 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 92 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 359 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=359 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 112 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 180 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:13] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:13] [INFO ] Invariant cache hit.
[2023-03-15 17:55:13] [INFO ] Implicit Places using invariants in 79 ms returned []
[2023-03-15 17:55:13] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:13] [INFO ] Invariant cache hit.
[2023-03-15 17:55:13] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:13] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
[2023-03-15 17:55:13] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:13] [INFO ] Invariant cache hit.
[2023-03-15 17:55:13] [INFO ] Dead Transitions using invariants and state equation in 134 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 346 ms. Remains : 52/52 places, 196/196 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 224 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=112 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 185 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 187 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 181 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 20000 reset in 134 ms.
Product exploration explored 100000 steps with 20000 reset in 146 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 6 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:15] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:55:15] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:15] [INFO ] Invariant cache hit.
[2023-03-15 17:55:15] [INFO ] Dead Transitions using invariants and state equation in 127 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 142 ms. Remains : 52/52 places, 196/196 transitions.
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 2 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:15] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:15] [INFO ] Invariant cache hit.
[2023-03-15 17:55:15] [INFO ] Implicit Places using invariants in 68 ms returned []
[2023-03-15 17:55:15] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:15] [INFO ] Invariant cache hit.
[2023-03-15 17:55:15] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:15] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2023-03-15 17:55:15] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:15] [INFO ] Invariant cache hit.
[2023-03-15 17:55:16] [INFO ] Dead Transitions using invariants and state equation in 122 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 355 ms. Remains : 52/52 places, 196/196 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-13 finished in 4090 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X(F(p1)))))'
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 0 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:16] [INFO ] Invariant cache hit.
[2023-03-15 17:55:16] [INFO ] Implicit Places using invariants in 71 ms returned []
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:16] [INFO ] Invariant cache hit.
[2023-03-15 17:55:16] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:16] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:16] [INFO ] Invariant cache hit.
[2023-03-15 17:55:16] [INFO ] Dead Transitions using invariants and state equation in 111 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 340 ms. Remains : 52/52 places, 196/196 transitions.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s17 1)), p1:(OR (LT s8 1) (LT s41 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 141 ms.
Product exploration explored 100000 steps with 50000 reset in 151 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 2 states, 2 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DoubleLock-PT-p1s1-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DoubleLock-PT-p1s1-LTLFireability-14 finished in 786 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 p1)))'
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Applied a total of 8 rules in 4 ms. Remains 48 /52 variables (removed 4) and now considering 176/196 (removed 20) transitions.
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
// Phase 1: matrix 132 rows 48 cols
[2023-03-15 17:55:16] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-15 17:55:16] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:16] [INFO ] Invariant cache hit.
[2023-03-15 17:55:16] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:16] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
[2023-03-15 17:55:16] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:16] [INFO ] Invariant cache hit.
[2023-03-15 17:55:17] [INFO ] Dead Transitions using invariants and state equation in 117 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 48/52 places, 176/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 288 ms. Remains : 48/52 places, 176/196 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(AND (GEQ s1 1) (GEQ s46 1)), p0:(AND (GEQ s11 1) (GEQ s44 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s1-LTLFireability-15 finished in 393 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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0)||(X(!p1) U G(p2))))))'
Found a Lengthening insensitive property : DoubleLock-PT-p1s1-LTLFireability-10
Stuttering acceptance computed with spot in 275 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) p1), (AND (NOT p0) (NOT p2) p1), (NOT p0), (AND (NOT p0) (NOT p2))]
Support contains 5 out of 52 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Applied a total of 8 rules in 9 ms. Remains 48 /52 variables (removed 4) and now considering 176/196 (removed 20) transitions.
[2023-03-15 17:55:17] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:17] [INFO ] Invariant cache hit.
[2023-03-15 17:55:17] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-15 17:55:17] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:17] [INFO ] Invariant cache hit.
[2023-03-15 17:55:17] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 17:55:17] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2023-03-15 17:55:17] [INFO ] Flow matrix only has 132 transitions (discarded 44 similar events)
[2023-03-15 17:55:17] [INFO ] Invariant cache hit.
[2023-03-15 17:55:18] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 48/52 places, 176/196 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 285 ms. Remains : 48/52 places, 176/196 transitions.
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p2), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=4 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=6 dest: 5}, { cond=(AND (NOT p0) p2), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s37 1)), p2:(AND (GEQ s1 1) (GEQ s28 1)), p1:(AND (GEQ s3 1) (GEQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 22071 reset in 172 ms.
Stuttering criterion allowed to conclude after 96893 steps with 21525 reset in 188 ms.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-10 finished in 1036 ms.
FORMULA DoubleLock-PT-p1s1-LTLFireability-10 FALSE TECHNIQUES LENGTHENING_INSENSITIVE
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(F((p0||G(p1)))))))'
Found a Shortening insensitive property : DoubleLock-PT-p1s1-LTLFireability-11
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 52 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 51 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 51 transition count 192
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 50 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 50 transition count 188
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 49 transition count 184
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 49 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 48 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 48 transition count 176
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 47 transition count 168
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 47 transition count 168
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 46 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 46 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 45 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 45 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 44 transition count 156
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 44 transition count 156
Applied a total of 16 rules in 16 ms. Remains 44 /52 variables (removed 8) and now considering 156/196 (removed 40) transitions.
[2023-03-15 17:55:18] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
// Phase 1: matrix 112 rows 44 cols
[2023-03-15 17:55:18] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:55:18] [INFO ] Implicit Places using invariants in 64 ms returned []
[2023-03-15 17:55:18] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:18] [INFO ] Invariant cache hit.
[2023-03-15 17:55:18] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:18] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2023-03-15 17:55:18] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:18] [INFO ] Invariant cache hit.
[2023-03-15 17:55:18] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 44/52 places, 156/196 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 288 ms. Remains : 44/52 places, 156/196 transitions.
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-11 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}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(OR (LT s8 1) (LT s19 1)), p0:(AND (GEQ s6 1) (GEQ s33 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 1495 reset in 245 ms.
Product exploration explored 100000 steps with 1507 reset in 300 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 90 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 380 steps, including 3 resets, run visited all 2 properties in 4 ms. (steps per millisecond=95 )
Knowledge obtained : [(AND p1 (NOT p0)), true]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 139 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:20] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:20] [INFO ] Invariant cache hit.
[2023-03-15 17:55:20] [INFO ] Implicit Places using invariants in 60 ms returned []
[2023-03-15 17:55:20] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:20] [INFO ] Invariant cache hit.
[2023-03-15 17:55:20] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:20] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-15 17:55:20] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:20] [INFO ] Invariant cache hit.
[2023-03-15 17:55:20] [INFO ] Dead Transitions using invariants and state equation in 109 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 292 ms. Remains : 44/44 places, 156/156 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 89 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 612 steps, including 5 resets, run visited all 2 properties in 4 ms. (steps per millisecond=153 )
Knowledge obtained : [(AND (NOT p0) p1), true]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1475 reset in 204 ms.
Product exploration explored 100000 steps with 1437 reset in 229 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:22] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:22] [INFO ] Invariant cache hit.
[2023-03-15 17:55:22] [INFO ] Dead Transitions using invariants and state equation in 97 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 109 ms. Remains : 44/44 places, 156/156 transitions.
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 156/156 transitions.
Applied a total of 0 rules in 0 ms. Remains 44 /44 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:22] [INFO ] Invariant cache hit.
[2023-03-15 17:55:22] [INFO ] Implicit Places using invariants in 68 ms returned []
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:22] [INFO ] Invariant cache hit.
[2023-03-15 17:55:22] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-15 17:55:22] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 112 transitions (discarded 44 similar events)
[2023-03-15 17:55:22] [INFO ] Invariant cache hit.
[2023-03-15 17:55:22] [INFO ] Dead Transitions using invariants and state equation in 105 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 279 ms. Remains : 44/44 places, 156/156 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-11 finished in 4046 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(F(p0))))))'
Found a Shortening insensitive property : DoubleLock-PT-p1s1-LTLFireability-13
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 2 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
// Phase 1: matrix 148 rows 52 cols
[2023-03-15 17:55:22] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-15 17:55:22] [INFO ] Implicit Places using invariants in 78 ms returned []
[2023-03-15 17:55:22] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:22] [INFO ] Invariant cache hit.
[2023-03-15 17:55:22] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:23] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
[2023-03-15 17:55:23] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:23] [INFO ] Invariant cache hit.
[2023-03-15 17:55:23] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 333 ms. Remains : 52/52 places, 196/196 transitions.
Running random walk in product with property : DoubleLock-PT-p1s1-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p0:(OR (LT s10 1) (LT s50 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 20000 reset in 137 ms.
Product exploration explored 100000 steps with 20000 reset in 144 ms.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 258 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=129 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 109 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:24] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:24] [INFO ] Invariant cache hit.
[2023-03-15 17:55:24] [INFO ] Implicit Places using invariants in 83 ms returned []
[2023-03-15 17:55:24] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:24] [INFO ] Invariant cache hit.
[2023-03-15 17:55:24] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:24] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2023-03-15 17:55:24] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:24] [INFO ] Invariant cache hit.
[2023-03-15 17:55:24] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 310 ms. Remains : 52/52 places, 196/196 transitions.
Computed a total of 4 stabilizing places and 24 stable transitions
Computed a total of 4 stabilizing places and 24 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 228 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 146 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=146 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 177 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 193 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 20000 reset in 137 ms.
Product exploration explored 100000 steps with 20000 reset in 145 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 180 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 4 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:26] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 17:55:26] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:26] [INFO ] Invariant cache hit.
[2023-03-15 17:55:26] [INFO ] Dead Transitions using invariants and state equation in 122 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 136 ms. Remains : 52/52 places, 196/196 transitions.
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 196/196 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 196/196 (removed 0) transitions.
[2023-03-15 17:55:26] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:26] [INFO ] Invariant cache hit.
[2023-03-15 17:55:26] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-15 17:55:26] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:26] [INFO ] Invariant cache hit.
[2023-03-15 17:55:26] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-15 17:55:26] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
[2023-03-15 17:55:26] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
[2023-03-15 17:55:26] [INFO ] Invariant cache hit.
[2023-03-15 17:55:26] [INFO ] Dead Transitions using invariants and state equation in 108 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 356 ms. Remains : 52/52 places, 196/196 transitions.
Treatment of property DoubleLock-PT-p1s1-LTLFireability-13 finished in 4148 ms.
[2023-03-15 17:55:26] [INFO ] Flatten gal took : 20 ms
[2023-03-15 17:55:26] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-15 17:55:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 52 places, 196 transitions and 780 arcs took 4 ms.
Total runtime 38815 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2364/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2364/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2364/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2364/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2364/ltl_4_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : DoubleLock-PT-p1s1-LTLFireability-06
Could not compute solution for formula : DoubleLock-PT-p1s1-LTLFireability-09
Could not compute solution for formula : DoubleLock-PT-p1s1-LTLFireability-10
Could not compute solution for formula : DoubleLock-PT-p1s1-LTLFireability-11
Could not compute solution for formula : DoubleLock-PT-p1s1-LTLFireability-13

BK_STOP 1678902928446

--------------------
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 DoubleLock-PT-p1s1-LTLFireability-06
ltl formula formula --ltl=/tmp/2364/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 52 places, 196 transitions and 780 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 0.050 real 0.010 user 0.000 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2364/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2364/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2364/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2364/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name DoubleLock-PT-p1s1-LTLFireability-09
ltl formula formula --ltl=/tmp/2364/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: =============================================================================
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): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 52 places, 196 transitions and 780 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2364/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2364/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2364/ltl_1_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.030 real 0.000 user 0.010 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2364/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name DoubleLock-PT-p1s1-LTLFireability-10
ltl formula formula --ltl=/tmp/2364/ltl_2_
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
pnml2lts-mc( 0/ 4): Petri net has 52 places, 196 transitions and 780 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.000 user 0.010 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2364/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2364/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2364/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2364/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 7 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name DoubleLock-PT-p1s1-LTLFireability-11
ltl formula formula --ltl=/tmp/2364/ltl_3_
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
pnml2lts-mc( 0/ 4): Petri net has 52 places, 196 transitions and 780 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.060 real 0.010 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2364/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2364/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2364/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2364/ltl_3_
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
ltl formula name DoubleLock-PT-p1s1-LTLFireability-13
ltl formula formula --ltl=/tmp/2364/ltl_4_
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
pnml2lts-mc( 0/ 4): Petri net has 52 places, 196 transitions and 780 arcs
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.060 real 0.000 user 0.010 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2364/ltl_4_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2364/ltl_4_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2364/ltl_4_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2364/ltl_4_
pnml2lts-mc( 0/ 4): buchi has 5 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)

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="DoubleLock-PT-p1s1"
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 DoubleLock-PT-p1s1, 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 r137-smll-167819418700508"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s1.tgz
mv DoubleLock-PT-p1s1 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 ;