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.r359-smll-167891808600220.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)
............................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SafeBus-COL-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808600220
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 6.5K Feb 26 01:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 26 01:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 01:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 01:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 26 01:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 01:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 01:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 42K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1679009178576

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-COL-10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 23:26:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-16 23:26:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 23:26:21] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-16 23:26:22] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-16 23:26:22] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1177 ms
[2023-03-16 23:26:22] [INFO ] Detected 1 constant HL places corresponding to 10 PT places.
[2023-03-16 23:26:22] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 326 PT places and 12821.0 transition bindings in 42 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2023-03-16 23:26:23] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 9 ms.
[2023-03-16 23:26:23] [INFO ] Skeletonized 11 HLPN properties in 11 ms. Removed 5 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA SafeBus-COL-10-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-10-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 6 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 10000 steps, including 2 resets, run finished after 194 ms. (steps per millisecond=51 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 14 rows 17 cols
[2023-03-16 23:26:23] [INFO ] Computed 7 place invariants in 8 ms
[2023-03-16 23:26:23] [INFO ] [Real]Absence check using 4 positive place invariants in 8 ms returned sat
[2023-03-16 23:26:23] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-16 23:26:23] [INFO ] After 206ms 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.
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
[2023-03-16 23:26:23] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2023-03-16 23:26:23] [INFO ] Flatten gal took : 34 ms
FORMULA SafeBus-COL-10-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-16 23:26:23] [INFO ] Flatten gal took : 9 ms
Domain [It(10), It(10)] of place AMC breaks symmetries in sort It
[2023-03-16 23:26:24] [INFO ] Unfolded HLPN to a Petri net with 326 places and 1651 transitions 11294 arcs in 111 ms.
[2023-03-16 23:26:24] [INFO ] Unfolded 13 HLPN properties in 18 ms.
Initial state reduction rules removed 2 formulas.
[2023-03-16 23:26:24] [INFO ] Reduced 80 identical enabling conditions.
[2023-03-16 23:26:24] [INFO ] Reduced 80 identical enabling conditions.
[2023-03-16 23:26:24] [INFO ] Reduced 80 identical enabling conditions.
Deduced a syphon composed of 10 places in 10 ms
Reduce places removed 20 places and 20 transitions.
FORMULA SafeBus-COL-10-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-10-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 306 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1631/1631 transitions.
Applied a total of 0 rules in 39 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
[2023-03-16 23:26:24] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:26:24] [INFO ] Computed 45 place invariants in 94 ms
[2023-03-16 23:26:24] [INFO ] Implicit Places using invariants in 316 ms returned []
[2023-03-16 23:26:24] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
[2023-03-16 23:26:24] [INFO ] Invariant cache hit.
[2023-03-16 23:26:25] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:26:25] [INFO ] Implicit Places using invariants and state equation in 712 ms returned []
Implicit Place search using SMT with State Equation took 1033 ms to find 0 implicit places.
[2023-03-16 23:26:25] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
[2023-03-16 23:26:25] [INFO ] Invariant cache hit.
[2023-03-16 23:26:27] [INFO ] Dead Transitions using invariants and state equation in 2112 ms found 100 transitions.
Found 100 dead transitions using SMT.
Drop transitions removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions
Starting structural reductions in LTL mode, iteration 1 : 306/306 places, 1531/1631 transitions.
Applied a total of 0 rules in 12 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3208 ms. Remains : 306/306 places, 1531/1631 transitions.
Support contains 306 out of 306 places after structural reductions.
[2023-03-16 23:26:28] [INFO ] Flatten gal took : 340 ms
[2023-03-16 23:26:28] [INFO ] Flatten gal took : 204 ms
[2023-03-16 23:26:29] [INFO ] Input system was already deterministic with 1531 transitions.
Finished random walk after 76 steps, including 0 resets, run visited all 17 properties in 17 ms. (steps per millisecond=4 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(p1)&&p0))))'
Support contains 153 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 27 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:26:29] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:29] [INFO ] Invariant cache hit.
[2023-03-16 23:26:30] [INFO ] Implicit Places using invariants in 279 ms returned []
[2023-03-16 23:26:30] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:30] [INFO ] Invariant cache hit.
[2023-03-16 23:26:30] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:26:31] [INFO ] Implicit Places using invariants and state equation in 1566 ms returned []
Implicit Place search using SMT with State Equation took 1852 ms to find 0 implicit places.
[2023-03-16 23:26:31] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:31] [INFO ] Invariant cache hit.
[2023-03-16 23:26:33] [INFO ] Dead Transitions using invariants and state equation in 1931 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3815 ms. Remains : 306/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 365 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(AND (OR (AND (GEQ s0 1) (GEQ s20 1) (GEQ s41 1) (GEQ s295 1)) (AND (GEQ s3 1) (GEQ s20 1) (GEQ s94 1) (GEQ s295 1)) (AND (GEQ s0 1) (GEQ s20 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 1228 ms.
Product exploration explored 100000 steps with 33333 reset in 1016 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X p0), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p0) p1)
Knowledge based reduction with 4 factoid took 228 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SafeBus-COL-10-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SafeBus-COL-10-LTLFireability-00 finished in 6785 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 20 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 37 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:26:36] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:36] [INFO ] Invariant cache hit.
[2023-03-16 23:26:37] [INFO ] Implicit Places using invariants in 1085 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1099 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 22 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1161 ms. Remains : 296/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 160 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-01 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}]], initial=2, aps=[p0:(OR (AND (GEQ s268 1) (GEQ s281 1)) (AND (GEQ s264 1) (GEQ s277 1)) (AND (GEQ s266 1) (GEQ s279 1)) (AND (GEQ s270 1) (GEQ s283 1)) (AND (GEQ s262 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3838 reset in 756 ms.
Product exploration explored 100000 steps with 3851 reset in 472 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 138 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 32 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=16 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 111 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 23:26:39] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 296 cols
[2023-03-16 23:26:39] [INFO ] Computed 35 place invariants in 22 ms
[2023-03-16 23:26:41] [INFO ] [Real]Absence check using 14 positive place invariants in 20 ms returned sat
[2023-03-16 23:26:41] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 66 ms returned sat
[2023-03-16 23:26:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:26:42] [INFO ] [Real]Absence check using state equation in 1028 ms returned sat
[2023-03-16 23:26:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:26:43] [INFO ] [Nat]Absence check using 14 positive place invariants in 22 ms returned sat
[2023-03-16 23:26:44] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 359 ms returned sat
[2023-03-16 23:26:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:26:44] [INFO ] [Nat]Absence check using state equation in 587 ms returned sat
[2023-03-16 23:26:44] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:26:45] [INFO ] [Nat]Added 111 Read/Feed constraints in 296 ms returned sat
[2023-03-16 23:26:45] [INFO ] Deduced a trap composed of 49 places in 209 ms of which 9 ms to minimize.
[2023-03-16 23:26:45] [INFO ] Deduced a trap composed of 41 places in 198 ms of which 2 ms to minimize.
[2023-03-16 23:26:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 592 ms
[2023-03-16 23:26:45] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 612 transitions) in 210 ms.
[2023-03-16 23:26:46] [INFO ] Added : 3 causal constraints over 2 iterations in 477 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 22 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:26:46] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:46] [INFO ] Invariant cache hit.
[2023-03-16 23:26:47] [INFO ] Implicit Places using invariants in 863 ms returned []
[2023-03-16 23:26:47] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:47] [INFO ] Invariant cache hit.
[2023-03-16 23:26:47] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:26:50] [INFO ] Implicit Places using invariants and state equation in 3212 ms returned []
Implicit Place search using SMT with State Equation took 4085 ms to find 0 implicit places.
[2023-03-16 23:26:50] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:50] [INFO ] Invariant cache hit.
[2023-03-16 23:26:52] [INFO ] Dead Transitions using invariants and state equation in 1766 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5881 ms. Remains : 296/296 places, 1531/1531 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 111 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 28 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=9 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 136 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 23:26:52] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:26:52] [INFO ] Invariant cache hit.
[2023-03-16 23:26:54] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2023-03-16 23:26:54] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 37 ms returned sat
[2023-03-16 23:26:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:26:54] [INFO ] [Real]Absence check using state equation in 510 ms returned sat
[2023-03-16 23:26:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:26:56] [INFO ] [Nat]Absence check using 14 positive place invariants in 13 ms returned sat
[2023-03-16 23:26:56] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 40 ms returned sat
[2023-03-16 23:26:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:26:56] [INFO ] [Nat]Absence check using state equation in 571 ms returned sat
[2023-03-16 23:26:56] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:26:56] [INFO ] [Nat]Added 111 Read/Feed constraints in 182 ms returned sat
[2023-03-16 23:26:57] [INFO ] Deduced a trap composed of 49 places in 179 ms of which 2 ms to minimize.
[2023-03-16 23:26:57] [INFO ] Deduced a trap composed of 49 places in 174 ms of which 2 ms to minimize.
[2023-03-16 23:26:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 474 ms
[2023-03-16 23:26:57] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 612 transitions) in 110 ms.
[2023-03-16 23:26:57] [INFO ] Added : 2 causal constraints over 2 iterations in 327 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 139 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3845 reset in 753 ms.
Product exploration explored 100000 steps with 3859 reset in 531 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 390 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:00] [INFO ] Redundant transitions in 210 ms returned []
[2023-03-16 23:27:00] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:00] [INFO ] Invariant cache hit.
[2023-03-16 23:27:01] [INFO ] Dead Transitions using invariants and state equation in 1344 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1960 ms. Remains : 296/296 places, 1531/1531 transitions.
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 8 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:01] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:01] [INFO ] Invariant cache hit.
[2023-03-16 23:27:02] [INFO ] Implicit Places using invariants in 834 ms returned []
[2023-03-16 23:27:02] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:02] [INFO ] Invariant cache hit.
[2023-03-16 23:27:02] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:06] [INFO ] Implicit Places using invariants and state equation in 3635 ms returned []
Implicit Place search using SMT with State Equation took 4485 ms to find 0 implicit places.
[2023-03-16 23:27:06] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:06] [INFO ] Invariant cache hit.
[2023-03-16 23:27:07] [INFO ] Dead Transitions using invariants and state equation in 1495 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5991 ms. Remains : 296/296 places, 1531/1531 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-01 finished in 31397 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G((p1 U (p0 U (!p2&&G(!p0))))))))'
Support contains 123 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 8 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:08] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:27:08] [INFO ] Computed 45 place invariants in 18 ms
[2023-03-16 23:27:08] [INFO ] Implicit Places using invariants in 467 ms returned []
[2023-03-16 23:27:08] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:08] [INFO ] Invariant cache hit.
[2023-03-16 23:27:08] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:10] [INFO ] Implicit Places using invariants and state equation in 2154 ms returned []
Implicit Place search using SMT with State Equation took 2625 ms to find 0 implicit places.
[2023-03-16 23:27:10] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:10] [INFO ] Invariant cache hit.
[2023-03-16 23:27:12] [INFO ] Dead Transitions using invariants and state equation in 2130 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4766 ms. Remains : 306/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 456 ms :[true, true, true, (OR p0 p2), (OR p0 p2), (OR p0 p2), p0, p0]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=p0, acceptance={} source=1 dest: 4}, { cond=(AND p0 p1), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) p2), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 6}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(OR p0 (NOT p2) p1), acceptance={} source=4 dest: 4}, { cond=(OR (AND p0 p1) (AND p2 p1)), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=5 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 3}, { cond=(OR (AND p0 p1) (AND p2 p1)), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=5 dest: 6}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=5 dest: 7}], [{ cond=p0, acceptance={} source=6 dest: 2}, { cond=(NOT p0), acceptance={} source=6 dest: 6}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=7 dest: 3}, { cond=(AND p0 p1), acceptance={0} source=7 dest: 5}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=7 dest: 6}, { cond=(AND (NOT p0) p1), acceptance={} source=7 dest: 7}]], initial=0, aps=[p0:(OR (AND (GEQ s31 1) (GEQ s284 1)) (AND (GEQ s32 1) (GEQ s284 1)) (AND (GEQ s40 1) (GEQ s284 1)) (AND (GEQ s34 1) (GEQ s284 1)) (AND (GEQ s33 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-10-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-10-LTLFireability-02 finished in 5262 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(X(F(G(p0))))&&F((X(p1) U p2)))))'
Support contains 93 out of 306 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 187 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:13] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:13] [INFO ] Invariant cache hit.
[2023-03-16 23:27:14] [INFO ] Implicit Places using invariants in 885 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 889 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1521
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1521
Applied a total of 20 rules in 190 ms. Remains 286 /296 variables (removed 10) and now considering 1521/1531 (removed 10) transitions.
[2023-03-16 23:27:14] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-16 23:27:14] [INFO ] Computed 35 place invariants in 16 ms
[2023-03-16 23:27:15] [INFO ] Implicit Places using invariants in 674 ms returned []
[2023-03-16 23:27:15] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:27:15] [INFO ] Invariant cache hit.
[2023-03-16 23:27:15] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:17] [INFO ] Implicit Places using invariants and state equation in 2738 ms returned []
Implicit Place search using SMT with State Equation took 3417 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 286/306 places, 1521/1531 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4685 ms. Remains : 286/306 places, 1521/1531 transitions.
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p2:(AND (GEQ s251 1) (GEQ s273 1)), p0:(AND (OR (LT s222 1) (LT s272 1)) (OR (LT s151 1) (LT s272 1)) (OR (LT s178 1) (LT s272 1)) (OR (LT s196 1) (LT s27...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 1934 ms.
Stack based approach found an accepted trace after 641 steps with 1 reset with depth 578 and stack size 578 in 11 ms.
FORMULA SafeBus-COL-10-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-10-LTLFireability-03 finished in 6900 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)) U !p1)&&F((G(F(p2))||(F(p2)&&G(p3))))))'
Support contains 142 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 223 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:20] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:27:20] [INFO ] Computed 45 place invariants in 9 ms
[2023-03-16 23:27:20] [INFO ] Implicit Places using invariants in 331 ms returned []
[2023-03-16 23:27:20] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:20] [INFO ] Invariant cache hit.
[2023-03-16 23:27:21] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:23] [INFO ] Implicit Places using invariants and state equation in 2434 ms returned []
Implicit Place search using SMT with State Equation took 2767 ms to find 0 implicit places.
[2023-03-16 23:27:23] [INFO ] Redundant transitions in 76 ms returned []
[2023-03-16 23:27:23] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:23] [INFO ] Invariant cache hit.
[2023-03-16 23:27:25] [INFO ] Dead Transitions using invariants and state equation in 1827 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4910 ms. Remains : 306/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 309 ms :[(OR (NOT p2) p1), (NOT p0), p1, (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}, { cond=(NOT p3), acceptance={} source=0 dest: 3}, { cond=(NOT p2), acceptance={} source=0 dest: 4}, { cond=p3, acceptance={} source=0 dest: 5}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 1}, { cond=p1, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p3), acceptance={} source=3 dest: 3}, { cond=(NOT p2), acceptance={} source=3 dest: 4}, { cond=p3, acceptance={} source=3 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p3), acceptance={} source=5 dest: 3}, { cond=(AND (NOT p2) (NOT p3)), acceptance={} source=5 dest: 4}, { cond=p3, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (AND (GEQ s236 1) (GEQ s267 1)) (AND (GEQ s237 1) (GEQ s268 1)) (AND (GEQ s238 1) (GEQ s269 1)) (AND (GEQ s239 1) (GEQ s270 1)) (AND (GEQ s240 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null, null][true, true, true, true, true, true]]
Product exploration explored 100000 steps with 1495 reset in 855 ms.
Product exploration explored 100000 steps with 1533 reset in 1405 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p3 p2 (NOT p0)), (X p2), (X p3), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 496 ms. Reduced automaton from 6 states, 16 edges and 4 AP (stutter insensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Finished random walk after 31 steps, including 0 resets, run visited all 3 properties in 5 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND (NOT p1) p3 p2 (NOT p0)), (X p2), (X p3), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1))), (F (NOT p3)), (F (AND (NOT p3) (NOT p2))), (F (NOT p2))]
Knowledge based reduction with 10 factoid took 834 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 207 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Support contains 40 out of 306 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 9 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:29] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:29] [INFO ] Invariant cache hit.
[2023-03-16 23:27:30] [INFO ] Implicit Places using invariants in 594 ms returned []
[2023-03-16 23:27:30] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:30] [INFO ] Invariant cache hit.
[2023-03-16 23:27:30] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:33] [INFO ] Implicit Places using invariants and state equation in 2839 ms returned []
Implicit Place search using SMT with State Equation took 3440 ms to find 0 implicit places.
[2023-03-16 23:27:33] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:33] [INFO ] Invariant cache hit.
[2023-03-16 23:27:34] [INFO ] Dead Transitions using invariants and state equation in 1653 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5104 ms. Remains : 306/306 places, 1531/1531 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p3 p2), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 240 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Finished random walk after 69 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=17 )
Knowledge obtained : [(AND p3 p2), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : [(F (NOT p3)), (F (AND (NOT p2) (NOT p3))), (F (NOT p2))]
Knowledge based reduction with 6 factoid took 369 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Product exploration explored 100000 steps with 1527 reset in 742 ms.
Product exploration explored 100000 steps with 1540 reset in 743 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 209 ms :[(AND (NOT p3) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p3) (NOT p2))]
Support contains 40 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 266 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:38] [INFO ] Redundant transitions in 40 ms returned []
[2023-03-16 23:27:38] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:38] [INFO ] Invariant cache hit.
[2023-03-16 23:27:39] [INFO ] Dead Transitions using invariants and state equation in 1675 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1988 ms. Remains : 306/306 places, 1531/1531 transitions.
Support contains 40 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 5 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:39] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:39] [INFO ] Invariant cache hit.
[2023-03-16 23:27:40] [INFO ] Implicit Places using invariants in 666 ms returned []
[2023-03-16 23:27:40] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:40] [INFO ] Invariant cache hit.
[2023-03-16 23:27:41] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:43] [INFO ] Implicit Places using invariants and state equation in 3393 ms returned []
Implicit Place search using SMT with State Equation took 4062 ms to find 0 implicit places.
[2023-03-16 23:27:43] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:43] [INFO ] Invariant cache hit.
[2023-03-16 23:27:45] [INFO ] Dead Transitions using invariants and state equation in 1618 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5688 ms. Remains : 306/306 places, 1531/1531 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-04 finished in 25571 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((X(!p0) U (X(G(!p0))||(!p1&&X(!p0)))))||((X(!p0) U (X(G(!p0))||(!p1&&X(!p0))))&&F((F(p2)&&X(!p3))))))'
Support contains 60 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 5 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:45] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:45] [INFO ] Invariant cache hit.
[2023-03-16 23:27:46] [INFO ] Implicit Places using invariants in 520 ms returned []
[2023-03-16 23:27:46] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:46] [INFO ] Invariant cache hit.
[2023-03-16 23:27:46] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:27:48] [INFO ] Implicit Places using invariants and state equation in 2378 ms returned []
Implicit Place search using SMT with State Equation took 2900 ms to find 0 implicit places.
[2023-03-16 23:27:48] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:48] [INFO ] Invariant cache hit.
[2023-03-16 23:27:49] [INFO ] Dead Transitions using invariants and state equation in 1325 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4232 ms. Remains : 306/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 496 ms :[p0, p0, (AND p0 (NOT p2)), (AND p0 p3), p0, true, (AND (NOT p2) p0), (AND p0 (NOT p2)), (AND p0 p3), (AND p0 p3), (NOT p2), p3]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}, { cond=true, acceptance={} source=0 dest: 3}, { cond=p1, acceptance={} source=0 dest: 4}], [{ cond=p0, acceptance={} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={} source=2 dest: 2}, { cond=(NOT p2), acceptance={} source=2 dest: 6}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 7}], [{ cond=(AND (NOT p2) p3), acceptance={} source=3 dest: 2}, { cond=p3, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) p3), acceptance={} source=3 dest: 6}, { cond=(AND p1 (NOT p2) p3), acceptance={} source=3 dest: 7}, { cond=p3, acceptance={} source=3 dest: 8}, { cond=(AND p1 p3), acceptance={} source=3 dest: 9}], [{ cond=true, acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=4 dest: 4}, { cond=(AND p1 p0), acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=(AND (NOT p2) p0), acceptance={} source=6 dest: 10}], [{ cond=(NOT p2), acceptance={} source=7 dest: 6}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=7 dest: 7}, { cond=(AND p1 (NOT p2) p0), acceptance={0} source=7 dest: 7}], [{ cond=(AND (NOT p2) p0 p3), acceptance={} source=8 dest: 10}, { cond=(AND p0 p3), acceptance={} source=8 dest: 11}], [{ cond=(AND (NOT p2) p3), acceptance={} source=9 dest: 6}, { cond=(AND p1 (NOT p2) p3), acceptance={} source=9 dest: 7}, { cond=p3, acceptance={} source=9 dest: 8}, { cond=(AND p1 (NOT p0) p3), acceptance={} source=9 dest: 9}, { cond=(AND p1 p0 p3), acceptance={0} source=9 dest: 9}], [{ cond=(NOT p2), acceptance={0} source=10 dest: 10}], [{ cond=(AND (NOT p2) p3), acceptance={} source=11 dest: 10}, { cond=p3, acceptance={0} source=11 dest: 11}]], initial=0, aps=[p2:(AND (OR (LT s13 1) (LT s305 1)) (OR (LT s18 1) (LT s302 1)) (OR (LT s17 1) (LT s296 1)) (OR (LT s18 1) (LT s298 1)) (OR (LT s12 1) (LT s299 1)) (OR (L...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 1 ms.
FORMULA SafeBus-COL-10-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-10-LTLFireability-06 finished in 4772 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((p0||X(F(p1)))))))'
Support contains 22 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 8 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:50] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:50] [INFO ] Invariant cache hit.
[2023-03-16 23:27:51] [INFO ] Implicit Places using invariants in 714 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 717 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 6 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 731 ms. Remains : 296/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 0}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p0:(AND (GEQ s251 1) (GEQ s273 1)), p1:(OR (AND (GEQ s239 1) (GEQ s270 1)) (AND (GEQ s237 1) (GEQ s268 1)) (AND (GEQ s236 1) (GEQ s267 1)) (AND (GEQ s238 ...], 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 2306 reset in 734 ms.
Stack based approach found an accepted trace after 5562 steps with 134 reset with depth 98 and stack size 98 in 48 ms.
FORMULA SafeBus-COL-10-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-10-LTLFireability-07 finished in 1706 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((X(p1)||p0)))'
Support contains 142 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 7 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:52] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:52] [INFO ] Invariant cache hit.
[2023-03-16 23:27:52] [INFO ] Implicit Places using invariants in 497 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 509 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 7 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 523 ms. Remains : 296/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 106 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=(AND p0 p1), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (OR (LT s18 1) (LT s231 1)) (OR (LT s14 1) (LT s240 1)) (OR (LT s13 1) (LT s234 1)) (OR (LT s14 1) (LT s236 1)) (OR (LT s13 1) (LT s238 1)) (O...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 57 steps with 0 reset in 1 ms.
FORMULA SafeBus-COL-10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-10-LTLFireability-08 finished in 656 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 U (G(!p1)||(!p1&&G(!p0))))) U (G(p2) U G(p0)))))'
Support contains 60 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 8 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:27:52] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:27:52] [INFO ] Invariant cache hit.
[2023-03-16 23:27:53] [INFO ] Implicit Places using invariants in 897 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 901 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 9 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 919 ms. Remains : 296/306 places, 1531/1531 transitions.
Stuttering acceptance computed with spot in 733 ms :[(NOT p0), (NOT p0), true, (AND p0 (NOT p2)), (NOT p0), (AND p0 p1), (AND p0 (NOT p2) p1), (AND (NOT p0) p1 p2), (NOT p0), p0, (OR (AND p0 p1) (AND p1 p2)), false, (AND p0 (NOT p2) p1)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=1 dest: 6}, { cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 7}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p2), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) p2), acceptance={} source=4 dest: 3}, { cond=(AND p0 p2), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) p2), acceptance={0} source=4 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={} source=4 dest: 8}], [{ cond=(AND p0 p1), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 9}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 10}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=6 dest: 2}, { cond=(AND p0 p2 p1), acceptance={} source=6 dest: 3}, { cond=(AND p0 p2 p1), acceptance={} source=6 dest: 4}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=6 dest: 9}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=6 dest: 10}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=6 dest: 11}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=6 dest: 12}], [{ cond=(AND (NOT p0) p2 p1), acceptance={} source=7 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=7 dest: 5}, { cond=(AND p0 p2), acceptance={} source=7 dest: 7}], [{ cond=(NOT p0), acceptance={} source=8 dest: 2}, { cond=p0, acceptance={} source=8 dest: 8}], [{ cond=p0, acceptance={} source=9 dest: 2}, { cond=(NOT p0), acceptance={} source=9 dest: 9}], [{ cond=(OR (AND p0 p1) (AND p2 p1)), acceptance={} source=10 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=10 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={} source=10 dest: 10}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=11 dest: 9}, { cond=(AND (NOT p0) p2), acceptance={} source=11 dest: 11}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=12 dest: 2}, { cond=(AND p0 p2 p1), acceptance={} source=12 dest: 3}, { cond=(AND p0 p2 p1), acceptance={} source=12 dest: 4}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=12 dest: 10}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=12 dest: 12}]], initial=0, aps=[p0:(OR (AND (GEQ s18 1) (GEQ s231 1)) (AND (GEQ s14 1) (GEQ s240 1)) (AND (GEQ s13 1) (GEQ s234 1)) (AND (GEQ s14 1) (GEQ s236 1)) (AND (GEQ s13 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 24981 reset in 1046 ms.
Product exploration explored 100000 steps with 25000 reset in 908 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p2)))), true, (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 26 factoid took 2217 ms. Reduced automaton from 13 states, 45 edges and 3 AP (stutter sensitive) to 13 states, 46 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 789 ms :[(NOT p0), (NOT p0), true, (AND p0 (NOT p2)), (NOT p0), (AND p0 p1), (AND p0 (NOT p2) p1), (AND (NOT p0) p1 p2), (NOT p0), p0, (OR (AND p0 p1) (AND p1 p2)), false, (AND p0 (NOT p2) p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 547 ms. (steps per millisecond=18 ) properties (out of 18) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 242 ms. (steps per millisecond=41 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 163 ms. (steps per millisecond=61 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 23:28:00] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 296 cols
[2023-03-16 23:28:00] [INFO ] Computed 35 place invariants in 11 ms
[2023-03-16 23:28:01] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2023-03-16 23:28:01] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 15 ms returned sat
[2023-03-16 23:28:01] [INFO ] After 107ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-16 23:28:01] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2023-03-16 23:28:01] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 12 ms returned sat
[2023-03-16 23:28:01] [INFO ] After 99ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p2)))), true, (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (G (NOT (AND p1 p0 p2))), (G (NOT (AND p1 (NOT p0) p2)))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p2))), (F (AND p0 p2)), (F (AND (NOT p0) p2)), (F (NOT (AND (NOT p1) p0 (NOT p2)))), (F (AND (NOT p1) (NOT p0) (NOT p2))), (F (AND p1 p0 (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (NOT (AND (NOT p1) p0))), (F (AND (NOT p1) (NOT p0) p2)), (F (NOT p0)), (F (OR (AND p1 p0) (AND p1 p2))), (F (AND p1 (NOT p0) (NOT p2))), (F (AND (NOT p1) p0 p2)), (F (AND (NOT p1) (NOT p0))), (F (AND p1 (NOT p0))), (F (AND p1 p0))]
Knowledge based reduction with 28 factoid took 2398 ms. Reduced automaton from 13 states, 46 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 315 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Stuttering acceptance computed with spot in 396 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 9 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:28:04] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:04] [INFO ] Invariant cache hit.
[2023-03-16 23:28:05] [INFO ] Implicit Places using invariants in 730 ms returned []
[2023-03-16 23:28:05] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:05] [INFO ] Invariant cache hit.
[2023-03-16 23:28:05] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:08] [INFO ] Implicit Places using invariants and state equation in 2938 ms returned []
Implicit Place search using SMT with State Equation took 3672 ms to find 0 implicit places.
[2023-03-16 23:28:08] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:08] [INFO ] Invariant cache hit.
[2023-03-16 23:28:09] [INFO ] Dead Transitions using invariants and state equation in 1332 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5015 ms. Remains : 296/296 places, 1531/1531 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (NOT p1) (NOT p2)))), (X (X (OR (AND p0 (NOT p1)) (AND (NOT p1) p2)))), (X (X (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 1250 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 300 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:28:11] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:11] [INFO ] Invariant cache hit.
[2023-03-16 23:28:11] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2023-03-16 23:28:11] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 19 ms returned sat
[2023-03-16 23:28:11] [INFO ] After 126ms 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 p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (NOT p1) (NOT p2)))), (X (X (OR (AND p0 (NOT p1)) (AND (NOT p1) p2)))), (X (X (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2)))), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(F (AND (NOT p0) p2)), (F (AND (NOT p1) (NOT p0) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (NOT p0)), (F (AND p1 (NOT p0))), (F (AND (NOT p1) (NOT p0))), (F (NOT (OR (AND (NOT p1) p0) (AND (NOT p1) p2)))), (F (AND p0 p2)), (F (AND p1 p0)), (F (NOT (AND (NOT p1) p0 (NOT p2))))]
Knowledge based reduction with 19 factoid took 1632 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Stuttering acceptance computed with spot in 299 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Stuttering acceptance computed with spot in 299 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Product exploration explored 100000 steps with 24972 reset in 880 ms.
Product exploration explored 100000 steps with 25000 reset in 733 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 249 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 174 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:28:16] [INFO ] Redundant transitions in 59 ms returned []
[2023-03-16 23:28:16] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:16] [INFO ] Invariant cache hit.
[2023-03-16 23:28:17] [INFO ] Dead Transitions using invariants and state equation in 1077 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1319 ms. Remains : 296/296 places, 1531/1531 transitions.
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 5 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:28:17] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:17] [INFO ] Invariant cache hit.
[2023-03-16 23:28:17] [INFO ] Implicit Places using invariants in 454 ms returned []
[2023-03-16 23:28:17] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:17] [INFO ] Invariant cache hit.
[2023-03-16 23:28:17] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:20] [INFO ] Implicit Places using invariants and state equation in 2612 ms returned []
Implicit Place search using SMT with State Equation took 3068 ms to find 0 implicit places.
[2023-03-16 23:28:20] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:28:20] [INFO ] Invariant cache hit.
[2023-03-16 23:28:21] [INFO ] Dead Transitions using invariants and state equation in 1319 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4393 ms. Remains : 296/296 places, 1531/1531 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-09 finished in 28775 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 20 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 133 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:28:21] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:28:21] [INFO ] Computed 45 place invariants in 10 ms
[2023-03-16 23:28:22] [INFO ] Implicit Places using invariants in 756 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 758 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1521
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1521
Applied a total of 20 rules in 103 ms. Remains 286 /296 variables (removed 10) and now considering 1521/1531 (removed 10) transitions.
[2023-03-16 23:28:22] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-16 23:28:22] [INFO ] Computed 35 place invariants in 6 ms
[2023-03-16 23:28:23] [INFO ] Implicit Places using invariants in 775 ms returned []
[2023-03-16 23:28:23] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:23] [INFO ] Invariant cache hit.
[2023-03-16 23:28:23] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:26] [INFO ] Implicit Places using invariants and state equation in 3107 ms returned []
Implicit Place search using SMT with State Equation took 3891 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 286/306 places, 1521/1531 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4886 ms. Remains : 286/306 places, 1521/1531 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-10 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 (AND (GEQ s18 1) (GEQ s231 1)) (AND (GEQ s14 1) (GEQ s240 1)) (AND (GEQ s13 1) (GEQ s234 1)) (AND (GEQ s14 1) (GEQ s236 1)) (AND (GEQ s13 1) (GEQ s...], 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 0 reset in 1551 ms.
Stack based approach found an accepted trace after 747 steps with 0 reset with depth 748 and stack size 748 in 12 ms.
FORMULA SafeBus-COL-10-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-10-LTLFireability-10 finished in 6503 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 93 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 95 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:28:28] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:28:28] [INFO ] Computed 45 place invariants in 6 ms
[2023-03-16 23:28:28] [INFO ] Implicit Places using invariants in 470 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 472 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1521
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1521
Applied a total of 20 rules in 100 ms. Remains 286 /296 variables (removed 10) and now considering 1521/1531 (removed 10) transitions.
[2023-03-16 23:28:28] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-16 23:28:28] [INFO ] Computed 35 place invariants in 4 ms
[2023-03-16 23:28:29] [INFO ] Implicit Places using invariants in 444 ms returned []
[2023-03-16 23:28:29] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:29] [INFO ] Invariant cache hit.
[2023-03-16 23:28:29] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:31] [INFO ] Implicit Places using invariants and state equation in 2000 ms returned []
Implicit Place search using SMT with State Equation took 2451 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 286/306 places, 1521/1531 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3118 ms. Remains : 286/306 places, 1521/1531 transitions.
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-10-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s142 1) (GEQ s251 1) (GEQ s275 1)) (AND (GEQ s214 1) (GEQ s251 1) (GEQ s275 1)) (AND (GEQ s199 1) (GEQ s251 1) (GEQ s275 1)) (AND (GEQ s2...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5229 reset in 1165 ms.
Product exploration explored 100000 steps with 5195 reset in 863 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Finished random walk after 22 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=22 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 122 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
[2023-03-16 23:28:33] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:33] [INFO ] Invariant cache hit.
[2023-03-16 23:28:36] [INFO ] [Real]Absence check using 14 positive place invariants in 23 ms returned sat
[2023-03-16 23:28:36] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 40 ms returned sat
[2023-03-16 23:28:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:28:37] [INFO ] [Real]Absence check using state equation in 712 ms returned sat
[2023-03-16 23:28:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:28:39] [INFO ] [Nat]Absence check using 14 positive place invariants in 20 ms returned sat
[2023-03-16 23:28:39] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 83 ms returned sat
[2023-03-16 23:28:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:28:40] [INFO ] [Nat]Absence check using state equation in 821 ms returned sat
[2023-03-16 23:28:40] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:40] [INFO ] [Nat]Added 111 Read/Feed constraints in 173 ms returned sat
[2023-03-16 23:28:40] [INFO ] Deduced a trap composed of 49 places in 117 ms of which 1 ms to minimize.
[2023-03-16 23:28:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 170 ms
[2023-03-16 23:28:40] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 82 ms.
[2023-03-16 23:28:40] [INFO ] Added : 1 causal constraints over 1 iterations in 329 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 93 out of 286 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 286/286 places, 1521/1521 transitions.
Applied a total of 0 rules in 171 ms. Remains 286 /286 variables (removed 0) and now considering 1521/1521 (removed 0) transitions.
[2023-03-16 23:28:41] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:41] [INFO ] Invariant cache hit.
[2023-03-16 23:28:41] [INFO ] Implicit Places using invariants in 612 ms returned []
[2023-03-16 23:28:41] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:41] [INFO ] Invariant cache hit.
[2023-03-16 23:28:42] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:44] [INFO ] Implicit Places using invariants and state equation in 2543 ms returned []
Implicit Place search using SMT with State Equation took 3159 ms to find 0 implicit places.
[2023-03-16 23:28:44] [INFO ] Redundant transitions in 34 ms returned []
[2023-03-16 23:28:44] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:44] [INFO ] Invariant cache hit.
[2023-03-16 23:28:45] [INFO ] Dead Transitions using invariants and state equation in 1382 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4769 ms. Remains : 286/286 places, 1521/1521 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 145 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Finished random walk after 18 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=18 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 172 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
[2023-03-16 23:28:46] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:46] [INFO ] Invariant cache hit.
[2023-03-16 23:28:49] [INFO ] [Real]Absence check using 14 positive place invariants in 29 ms returned sat
[2023-03-16 23:28:49] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 54 ms returned sat
[2023-03-16 23:28:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:28:50] [INFO ] [Real]Absence check using state equation in 775 ms returned sat
[2023-03-16 23:28:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:28:52] [INFO ] [Nat]Absence check using 14 positive place invariants in 22 ms returned sat
[2023-03-16 23:28:52] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 97 ms returned sat
[2023-03-16 23:28:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:28:53] [INFO ] [Nat]Absence check using state equation in 784 ms returned sat
[2023-03-16 23:28:53] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:53] [INFO ] [Nat]Added 111 Read/Feed constraints in 187 ms returned sat
[2023-03-16 23:28:53] [INFO ] Deduced a trap composed of 49 places in 176 ms of which 1 ms to minimize.
[2023-03-16 23:28:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 245 ms
[2023-03-16 23:28:54] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 114 ms.
[2023-03-16 23:28:54] [INFO ] Added : 1 causal constraints over 1 iterations in 253 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 5213 reset in 1201 ms.
Product exploration explored 100000 steps with 5252 reset in 865 ms.
Support contains 93 out of 286 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 286/286 places, 1521/1521 transitions.
Applied a total of 0 rules in 96 ms. Remains 286 /286 variables (removed 0) and now considering 1521/1521 (removed 0) transitions.
[2023-03-16 23:28:56] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:56] [INFO ] Invariant cache hit.
[2023-03-16 23:28:56] [INFO ] Implicit Places using invariants in 574 ms returned []
[2023-03-16 23:28:56] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:56] [INFO ] Invariant cache hit.
[2023-03-16 23:28:57] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:28:59] [INFO ] Implicit Places using invariants and state equation in 2695 ms returned []
Implicit Place search using SMT with State Equation took 3274 ms to find 0 implicit places.
[2023-03-16 23:28:59] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-16 23:28:59] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-16 23:28:59] [INFO ] Invariant cache hit.
[2023-03-16 23:29:01] [INFO ] Dead Transitions using invariants and state equation in 1552 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4991 ms. Remains : 286/286 places, 1521/1521 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-13 finished in 33270 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Found a Shortening insensitive property : SafeBus-COL-10-LTLFireability-01
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 20 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 31 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:01] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:29:01] [INFO ] Computed 45 place invariants in 9 ms
[2023-03-16 23:29:02] [INFO ] Implicit Places using invariants in 1031 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1034 ms to find 10 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 26 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1091 ms. Remains : 296/306 places, 1531/1531 transitions.
Running random walk in product with property : SafeBus-COL-10-LTLFireability-01 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}]], initial=2, aps=[p0:(OR (AND (GEQ s268 1) (GEQ s281 1)) (AND (GEQ s264 1) (GEQ s277 1)) (AND (GEQ s266 1) (GEQ s279 1)) (AND (GEQ s270 1) (GEQ s283 1)) (AND (GEQ s262 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][false, false, false]]
Product exploration explored 100000 steps with 3866 reset in 722 ms.
Product exploration explored 100000 steps with 3849 reset in 723 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 26 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=26 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 23:29:04] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 296 cols
[2023-03-16 23:29:04] [INFO ] Computed 35 place invariants in 7 ms
[2023-03-16 23:29:06] [INFO ] [Real]Absence check using 14 positive place invariants in 18 ms returned sat
[2023-03-16 23:29:06] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 63 ms returned sat
[2023-03-16 23:29:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:29:07] [INFO ] [Real]Absence check using state equation in 1129 ms returned sat
[2023-03-16 23:29:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:29:08] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2023-03-16 23:29:08] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 215 ms returned sat
[2023-03-16 23:29:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:29:09] [INFO ] [Nat]Absence check using state equation in 469 ms returned sat
[2023-03-16 23:29:09] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:09] [INFO ] [Nat]Added 111 Read/Feed constraints in 181 ms returned sat
[2023-03-16 23:29:09] [INFO ] Deduced a trap composed of 49 places in 96 ms of which 1 ms to minimize.
[2023-03-16 23:29:09] [INFO ] Deduced a trap composed of 41 places in 186 ms of which 2 ms to minimize.
[2023-03-16 23:29:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 383 ms
[2023-03-16 23:29:10] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 612 transitions) in 99 ms.
[2023-03-16 23:29:10] [INFO ] Added : 3 causal constraints over 2 iterations in 329 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 9 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:10] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:10] [INFO ] Invariant cache hit.
[2023-03-16 23:29:10] [INFO ] Implicit Places using invariants in 714 ms returned []
[2023-03-16 23:29:10] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:10] [INFO ] Invariant cache hit.
[2023-03-16 23:29:11] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:14] [INFO ] Implicit Places using invariants and state equation in 3047 ms returned []
Implicit Place search using SMT with State Equation took 3763 ms to find 0 implicit places.
[2023-03-16 23:29:14] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:14] [INFO ] Invariant cache hit.
[2023-03-16 23:29:15] [INFO ] Dead Transitions using invariants and state equation in 1215 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4991 ms. Remains : 296/296 places, 1531/1531 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 93 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 21 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=21 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 100 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 142 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-16 23:29:15] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:15] [INFO ] Invariant cache hit.
[2023-03-16 23:29:17] [INFO ] [Real]Absence check using 14 positive place invariants in 17 ms returned sat
[2023-03-16 23:29:17] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 55 ms returned sat
[2023-03-16 23:29:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-16 23:29:18] [INFO ] [Real]Absence check using state equation in 752 ms returned sat
[2023-03-16 23:29:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-16 23:29:19] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2023-03-16 23:29:19] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 38 ms returned sat
[2023-03-16 23:29:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-16 23:29:20] [INFO ] [Nat]Absence check using state equation in 688 ms returned sat
[2023-03-16 23:29:20] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:20] [INFO ] [Nat]Added 111 Read/Feed constraints in 182 ms returned sat
[2023-03-16 23:29:20] [INFO ] Deduced a trap composed of 49 places in 153 ms of which 1 ms to minimize.
[2023-03-16 23:29:20] [INFO ] Deduced a trap composed of 49 places in 168 ms of which 1 ms to minimize.
[2023-03-16 23:29:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 444 ms
[2023-03-16 23:29:20] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 612 transitions) in 98 ms.
[2023-03-16 23:29:21] [INFO ] Added : 2 causal constraints over 2 iterations in 314 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3848 reset in 750 ms.
Product exploration explored 100000 steps with 3870 reset in 517 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 107 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:22] [INFO ] Redundant transitions in 41 ms returned []
[2023-03-16 23:29:22] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:22] [INFO ] Invariant cache hit.
[2023-03-16 23:29:24] [INFO ] Dead Transitions using invariants and state equation in 1162 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1318 ms. Remains : 296/296 places, 1531/1531 transitions.
Support contains 20 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 6 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:24] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:24] [INFO ] Invariant cache hit.
[2023-03-16 23:29:24] [INFO ] Implicit Places using invariants in 824 ms returned []
[2023-03-16 23:29:24] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:24] [INFO ] Invariant cache hit.
[2023-03-16 23:29:25] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:28] [INFO ] Implicit Places using invariants and state equation in 3409 ms returned []
Implicit Place search using SMT with State Equation took 4235 ms to find 0 implicit places.
[2023-03-16 23:29:28] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:28] [INFO ] Invariant cache hit.
[2023-03-16 23:29:29] [INFO ] Dead Transitions using invariants and state equation in 1264 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5506 ms. Remains : 296/296 places, 1531/1531 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-01 finished in 28366 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)) U !p1)&&F((G(F(p2))||(F(p2)&&G(p3))))))'
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 U (G(!p1)||(!p1&&G(!p0))))) U (G(p2) U G(p0)))))'
Found a Lengthening insensitive property : SafeBus-COL-10-LTLFireability-09
Stuttering acceptance computed with spot in 698 ms :[(NOT p0), (NOT p0), true, (AND p0 (NOT p2)), (NOT p0), (AND p0 p1), (AND p0 (NOT p2) p1), (AND (NOT p0) p1 p2), (NOT p0), p0, (OR (AND p0 p1) (AND p1 p2)), false, (AND p0 (NOT p2) p1)]
Support contains 60 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 23 ms. Remains 306 /306 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:30] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-16 23:29:30] [INFO ] Computed 45 place invariants in 9 ms
[2023-03-16 23:29:31] [INFO ] Implicit Places using invariants in 573 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 575 ms to find 10 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 296/306 places, 1531/1531 transitions.
Applied a total of 0 rules in 14 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 615 ms. Remains : 296/306 places, 1531/1531 transitions.
Running random walk in product with property : SafeBus-COL-10-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=1 dest: 6}, { cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 7}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p2), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) p2), acceptance={} source=4 dest: 3}, { cond=(AND p0 p2), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) p2), acceptance={0} source=4 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={} source=4 dest: 8}], [{ cond=(AND p0 p1), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 9}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 10}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=6 dest: 2}, { cond=(AND p0 p2 p1), acceptance={} source=6 dest: 3}, { cond=(AND p0 p2 p1), acceptance={} source=6 dest: 4}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=6 dest: 9}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=6 dest: 10}, { cond=(AND (NOT p0) p2 p1), acceptance={} source=6 dest: 11}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=6 dest: 12}], [{ cond=(AND (NOT p0) p2 p1), acceptance={} source=7 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=7 dest: 5}, { cond=(AND p0 p2), acceptance={} source=7 dest: 7}], [{ cond=(NOT p0), acceptance={} source=8 dest: 2}, { cond=p0, acceptance={} source=8 dest: 8}], [{ cond=p0, acceptance={} source=9 dest: 2}, { cond=(NOT p0), acceptance={} source=9 dest: 9}], [{ cond=(OR (AND p0 p1) (AND p2 p1)), acceptance={} source=10 dest: 2}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=10 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={} source=10 dest: 10}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=11 dest: 9}, { cond=(AND (NOT p0) p2), acceptance={} source=11 dest: 11}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=12 dest: 2}, { cond=(AND p0 p2 p1), acceptance={} source=12 dest: 3}, { cond=(AND p0 p2 p1), acceptance={} source=12 dest: 4}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=12 dest: 10}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=12 dest: 12}]], initial=0, aps=[p0:(OR (AND (GEQ s18 1) (GEQ s231 1)) (AND (GEQ s14 1) (GEQ s240 1)) (AND (GEQ s13 1) (GEQ s234 1)) (AND (GEQ s14 1) (GEQ s236 1)) (AND (GEQ s13 1) (GEQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 24971 reset in 1152 ms.
Product exploration explored 100000 steps with 24953 reset in 1051 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p2)))), true, (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 26 factoid took 1987 ms. Reduced automaton from 13 states, 45 edges and 3 AP (stutter sensitive) to 13 states, 46 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 661 ms :[(NOT p0), (NOT p0), true, (AND p0 (NOT p2)), (NOT p0), (AND p0 p1), (AND p0 (NOT p2) p1), (AND (NOT p0) p1 p2), (NOT p0), p0, (OR (AND p0 p1) (AND p1 p2)), false, (AND p0 (NOT p2) p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 431 ms. (steps per millisecond=23 ) properties (out of 18) seen :16
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 247 ms. (steps per millisecond=40 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=47 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 23:29:37] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
// Phase 1: matrix 642 rows 296 cols
[2023-03-16 23:29:37] [INFO ] Computed 35 place invariants in 11 ms
[2023-03-16 23:29:37] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2023-03-16 23:29:37] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 12 ms returned sat
[2023-03-16 23:29:37] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-16 23:29:37] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2023-03-16 23:29:37] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 13 ms returned sat
[2023-03-16 23:29:37] [INFO ] After 89ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p2)))), true, (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (G (NOT (AND p1 p0 p2))), (G (NOT (AND p1 (NOT p0) p2)))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p2))), (F (AND p0 p2)), (F (AND (NOT p0) p2)), (F (NOT (AND (NOT p1) p0 (NOT p2)))), (F (AND (NOT p1) (NOT p0) (NOT p2))), (F (AND p1 p0 (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (NOT (AND (NOT p1) p0))), (F (AND (NOT p1) (NOT p0) p2)), (F (NOT p0)), (F (OR (AND p1 p0) (AND p1 p2))), (F (AND p1 (NOT p0) (NOT p2))), (F (AND (NOT p1) p0 p2)), (F (AND (NOT p1) (NOT p0))), (F (AND p1 (NOT p0))), (F (AND p1 p0))]
Knowledge based reduction with 28 factoid took 2604 ms. Reduced automaton from 13 states, 46 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 325 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Stuttering acceptance computed with spot in 259 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 6 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:40] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:40] [INFO ] Invariant cache hit.
[2023-03-16 23:29:41] [INFO ] Implicit Places using invariants in 609 ms returned []
[2023-03-16 23:29:41] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:41] [INFO ] Invariant cache hit.
[2023-03-16 23:29:41] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:44] [INFO ] Implicit Places using invariants and state equation in 2715 ms returned []
Implicit Place search using SMT with State Equation took 3326 ms to find 0 implicit places.
[2023-03-16 23:29:44] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:44] [INFO ] Invariant cache hit.
[2023-03-16 23:29:45] [INFO ] Dead Transitions using invariants and state equation in 1280 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4615 ms. Remains : 296/296 places, 1531/1531 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (NOT p1) (NOT p2)))), (X (X (OR (AND p0 (NOT p1)) (AND (NOT p1) p2)))), (X (X (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 1099 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 318 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (AND p1 (NOT p2) p0), (AND p1 (NOT p2) p0), false]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 11) seen :10
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-16 23:29:47] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:47] [INFO ] Invariant cache hit.
[2023-03-16 23:29:47] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2023-03-16 23:29:47] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 21 ms returned sat
[2023-03-16 23:29:47] [INFO ] After 124ms 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 p0 (NOT p1) (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT (AND (NOT p0) p2))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (OR (NOT p1) (NOT p2)))), (X (X (OR (AND p0 (NOT p1)) (AND (NOT p1) p2)))), (X (X (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 p2)))), (G (OR (NOT p1) (NOT p2)))]
False Knowledge obtained : [(F (AND (NOT p0) p2)), (F (AND (NOT p1) (NOT p0) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (NOT p0)), (F (AND p1 (NOT p0))), (F (AND (NOT p1) (NOT p0))), (F (NOT (OR (AND (NOT p1) p0) (AND (NOT p1) p2)))), (F (AND p0 p2)), (F (AND p1 p0)), (F (NOT (AND (NOT p1) p0 (NOT p2))))]
Knowledge based reduction with 19 factoid took 1664 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 6 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 282 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Stuttering acceptance computed with spot in 283 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Stuttering acceptance computed with spot in 294 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Product exploration explored 100000 steps with 24950 reset in 1212 ms.
Product exploration explored 100000 steps with 24966 reset in 805 ms.
Applying partial POR strategy [false, true, true, true, true, true]
Stuttering acceptance computed with spot in 185 ms :[(NOT p0), (NOT p0), true, (AND p0 p1), (AND p0 p1), false]
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 98 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:52] [INFO ] Redundant transitions in 53 ms returned []
[2023-03-16 23:29:52] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:52] [INFO ] Invariant cache hit.
[2023-03-16 23:29:53] [INFO ] Dead Transitions using invariants and state equation in 1311 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1470 ms. Remains : 296/296 places, 1531/1531 transitions.
Support contains 60 out of 296 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 296/296 places, 1531/1531 transitions.
Applied a total of 0 rules in 5 ms. Remains 296 /296 variables (removed 0) and now considering 1531/1531 (removed 0) transitions.
[2023-03-16 23:29:53] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:53] [INFO ] Invariant cache hit.
[2023-03-16 23:29:54] [INFO ] Implicit Places using invariants in 633 ms returned []
[2023-03-16 23:29:54] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:54] [INFO ] Invariant cache hit.
[2023-03-16 23:29:54] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-16 23:29:57] [INFO ] Implicit Places using invariants and state equation in 2932 ms returned []
Implicit Place search using SMT with State Equation took 3569 ms to find 0 implicit places.
[2023-03-16 23:29:57] [INFO ] Flow matrix only has 642 transitions (discarded 889 similar events)
[2023-03-16 23:29:57] [INFO ] Invariant cache hit.
[2023-03-16 23:29:58] [INFO ] Dead Transitions using invariants and state equation in 1342 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4918 ms. Remains : 296/296 places, 1531/1531 transitions.
Treatment of property SafeBus-COL-10-LTLFireability-09 finished in 28659 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
[2023-03-16 23:29:58] [INFO ] Flatten gal took : 156 ms
[2023-03-16 23:29:58] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 19 ms.
[2023-03-16 23:29:58] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 1531 transitions and 10404 arcs took 22 ms.
Total runtime 217427 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-COL-10
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability

FORMULA SafeBus-COL-10-LTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA SafeBus-COL-10-LTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA SafeBus-COL-10-LTLFireability-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679009636877

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:427
lola: rewrite Frontend/Parser/formula_rewrite.k:535
lola: rewrite Frontend/Parser/formula_rewrite.k:430
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 8 (type EXCL) for 3 SafeBus-COL-10-LTLFireability-04
lola: time limit : 718 sec
lola: memory limit: 32 pages
lola: FINISHED task # 8 (type EXCL) for SafeBus-COL-10-LTLFireability-04
lola: result : false
lola: markings : 231
lola: fired transitions : 231
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 14 (type EXCL) for 13 SafeBus-COL-10-LTLFireability-13
lola: time limit : 1198 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
SafeBus-COL-10-LTLFireability-04: CONJ false LTL model checker

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
SafeBus-COL-10-LTLFireability-01: LTL 0 1 0 0 1 0 0 0
SafeBus-COL-10-LTLFireability-09: LTL 0 1 0 0 1 0 0 0
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Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SafeBus-COL-10"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is SafeBus-COL-10, 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 r359-smll-167891808600220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-10.tgz
mv SafeBus-COL-10 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 ;