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Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r073-smll-167814399400340
Last Updated
May 14, 2023

About the Execution of LTSMin+red for ClientsAndServers-PT-N1000P0

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
480.800 33686.00 50699.00 722.00 FTF?F???FFFTFFFF normal

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.r073-smll-167814399400340.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 ltsminxred
Input is ClientsAndServers-PT-N1000P0, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r073-smll-167814399400340
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 5.9K Feb 26 13:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Feb 26 13:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 13:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 13:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 13:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 26 13:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 26 13:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Feb 26 13:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 9.1K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N1000P0-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678428655178

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N1000P0
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-10 06:10:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 06:10:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 06:10:58] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2023-03-10 06:10:58] [INFO ] Transformed 25 places.
[2023-03-10 06:10:58] [INFO ] Transformed 18 transitions.
[2023-03-10 06:10:58] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 152 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 15 ms. Remains 24 /25 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 24 cols
[2023-03-10 06:10:58] [INFO ] Computed 7 place invariants in 5 ms
[2023-03-10 06:10:58] [INFO ] Implicit Places using invariants in 181 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 239 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 255 ms. Remains : 23/25 places, 18/18 transitions.
Support contains 17 out of 23 places after structural reductions.
[2023-03-10 06:10:59] [INFO ] Flatten gal took : 23 ms
[2023-03-10 06:10:59] [INFO ] Flatten gal took : 6 ms
[2023-03-10 06:10:59] [INFO ] Input system was already deterministic with 18 transitions.
Incomplete random walk after 16004 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=640 ) properties (out of 16) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 13) seen :6
Finished Best-First random walk after 702 steps, including 0 resets, run visited all 7 properties in 5 ms. (steps per millisecond=140 )
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(G(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 18
Applied a total of 3 rules in 2 ms. Remains 20 /23 variables (removed 3) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 20 cols
[2023-03-10 06:10:59] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-10 06:10:59] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-10 06:10:59] [INFO ] Invariant cache hit.
[2023-03-10 06:10:59] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2023-03-10 06:10:59] [INFO ] Invariant cache hit.
[2023-03-10 06:10:59] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 149 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 232 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (LT s6 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-00 finished in 449 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 18
Applied a total of 3 rules in 2 ms. Remains 20 /23 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2023-03-10 06:11:00] [INFO ] Invariant cache hit.
[2023-03-10 06:11:00] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-10 06:11:00] [INFO ] Invariant cache hit.
[2023-03-10 06:11:00] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-10 06:11:00] [INFO ] Invariant cache hit.
[2023-03-10 06:11:00] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 121 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s15 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 25062 reset in 288 ms.
Product exploration explored 100000 steps with 24993 reset in 177 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 149 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=2667 ) properties (out of 1) seen :0
Finished Best-First random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 154 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2023-03-10 06:11:01] [INFO ] Invariant cache hit.
[2023-03-10 06:11:01] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-10 06:11:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:01] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2023-03-10 06:11:01] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 9 ms.
[2023-03-10 06:11:01] [INFO ] Added : 0 causal constraints over 0 iterations in 21 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 20 transition count 9
Reduce places removed 9 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 10 rules applied. Total rules applied 19 place count 11 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 20 place count 10 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 20 place count 10 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 24 place count 8 transition count 6
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 28 place count 6 transition count 4
Applied a total of 28 rules in 13 ms. Remains 6 /20 variables (removed 14) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-10 06:11:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-10 06:11:01] [INFO ] Implicit Places using invariants in 46 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/20 places, 4/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 62 ms. Remains : 5/20 places, 4/18 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 p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-01 finished in 1437 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 21 transition count 9
Reduce places removed 9 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 10 rules applied. Total rules applied 21 place count 12 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 22 place count 11 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 22 place count 11 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 24 place count 10 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 28 place count 8 transition count 5
Applied a total of 28 rules in 5 ms. Remains 8 /23 variables (removed 15) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 8 cols
[2023-03-10 06:11:01] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:01] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-10 06:11:01] [INFO ] Invariant cache hit.
[2023-03-10 06:11:01] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-10 06:11:01] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:01] [INFO ] Invariant cache hit.
[2023-03-10 06:11:01] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/23 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 8/23 places, 5/18 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s2 1) (GEQ s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 157 ms.
Stack based approach found an accepted trace after 24 steps with 0 reset with depth 25 and stack size 25 in 1 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-02 finished in 318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(X(X(F(!p1)))))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 18
Applied a total of 3 rules in 1 ms. Remains 20 /23 variables (removed 3) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 20 cols
[2023-03-10 06:11:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-10 06:11:01] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-10 06:11:01] [INFO ] Invariant cache hit.
[2023-03-10 06:11:01] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-10 06:11:01] [INFO ] Invariant cache hit.
[2023-03-10 06:11:01] [INFO ] Dead Transitions using invariants and state equation in 49 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 309 ms :[p1, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), p1, p1, (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 6}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 0}], [{ cond=true, acceptance={} source=5 dest: 4}], [{ cond=(NOT p0), acceptance={} source=6 dest: 5}, { cond=p0, acceptance={} source=6 dest: 7}], [{ cond=p0, acceptance={} source=7 dest: 2}, { cond=(NOT p0), acceptance={} source=7 dest: 4}]], initial=1, aps=[p1:(GEQ s15 1), p0:(GEQ s17 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 371 reset in 181 ms.
Product exploration explored 100000 steps with 2496 reset in 273 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) (NOT p0)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 200 ms. Reduced automaton from 8 states, 12 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 183 ms :[p1, p1, p1, p1, p1]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=2667 ) properties (out of 1) seen :0
Finished Best-First random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 187 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 181 ms :[p1, p1, p1, p1, p1]
Stuttering acceptance computed with spot in 178 ms :[p1, p1, p1, p1, p1]
Support contains 1 out of 20 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-03-10 06:11:03] [INFO ] Invariant cache hit.
[2023-03-10 06:11:03] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-10 06:11:03] [INFO ] Invariant cache hit.
[2023-03-10 06:11:03] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-10 06:11:03] [INFO ] Invariant cache hit.
[2023-03-10 06:11:03] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 115 ms. Remains : 20/20 places, 18/18 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 p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[p1, p1, p1, p1, p1]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=2667 ) properties (out of 1) seen :0
Finished Best-First random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(NOT p1), true]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[p1, p1, p1, p1, p1]
Stuttering acceptance computed with spot in 180 ms :[p1, p1, p1, p1, p1]
Stuttering acceptance computed with spot in 178 ms :[p1, p1, p1, p1, p1]
Product exploration explored 100000 steps with 2420 reset in 136 ms.
Product exploration explored 100000 steps with 3008 reset in 167 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 179 ms :[p1, p1, p1, p1, p1]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 20 transition count 18
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 7 place count 20 transition count 18
Deduced a syphon composed of 11 places in 1 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 20 transition count 18
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 15 place count 16 transition count 14
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 19 place count 16 transition count 14
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Iterating global reduction 1 with 3 rules applied. Total rules applied 22 place count 16 transition count 14
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 14 transition count 12
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 14 transition count 12
Deduced a syphon composed of 8 places in 0 ms
Applied a total of 26 rules in 9 ms. Remains 14 /20 variables (removed 6) and now considering 12/18 (removed 6) transitions.
[2023-03-10 06:11:05] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 12 rows 14 cols
[2023-03-10 06:11:05] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-10 06:11:05] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 14/20 places, 12/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 54 ms. Remains : 14/20 places, 12/18 transitions.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 20 cols
[2023-03-10 06:11:05] [INFO ] Computed 3 place invariants in 3 ms
[2023-03-10 06:11:05] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-10 06:11:05] [INFO ] Invariant cache hit.
[2023-03-10 06:11:05] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2023-03-10 06:11:05] [INFO ] Invariant cache hit.
[2023-03-10 06:11:05] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 137 ms. Remains : 20/20 places, 18/18 transitions.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-03 finished in 3915 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 15 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 16 place count 14 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 24 place count 10 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 28 place count 8 transition count 5
Applied a total of 28 rules in 3 ms. Remains 8 /23 variables (removed 15) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 8 cols
[2023-03-10 06:11:05] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:05] [INFO ] Implicit Places using invariants in 37 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/23 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44 ms. Remains : 7/23 places, 5/18 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-04 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 (LT s3 1) (LT s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 4325 reset in 85 ms.
Stack based approach found an accepted trace after 73 steps with 5 reset with depth 11 and stack size 11 in 1 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-04 finished in 220 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((X((X(p1)&&p0))&&X(p1))) U p2))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 4 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2023-03-10 06:11:05] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:06] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-10 06:11:06] [INFO ] Invariant cache hit.
[2023-03-10 06:11:06] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2023-03-10 06:11:06] [INFO ] Invariant cache hit.
[2023-03-10 06:11:06] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 124 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 191 ms :[(NOT p1), (NOT p2), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p2), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 0}, { cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND p2 p0 p1), acceptance={0} source=3 dest: 0}, { cond=(OR (AND p2 (NOT p0)) (AND p2 (NOT p1))), acceptance={0} source=3 dest: 2}, { cond=(NOT p2), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(GEQ s16 1), p2:(OR (GEQ s19 1) (GEQ s16 1)), p0:(AND (GEQ s1 1) (GEQ s17 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 970 reset in 144 ms.
Product exploration explored 100000 steps with 970 reset in 140 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) (NOT p2) (NOT p0)), (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1))))), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (X (NOT p1))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 420 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=4001 ) properties (out of 6) seen :0
Finished Best-First random walk after 777 steps, including 0 resets, run visited all 6 properties in 7 ms. (steps per millisecond=111 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1))))), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (X (NOT p1))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))), (F (AND p2 p0 p1)), (F p2), (F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (AND p0 p1))]
Knowledge based reduction with 10 factoid took 565 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 187 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 172 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-10 06:11:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2023-03-10 06:11:08] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 4 ms.
[2023-03-10 06:11:08] [INFO ] Added : 9 causal constraints over 2 iterations in 28 ms. Result :sat
Could not prove EG (NOT p1)
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-10 06:11:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:08] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2023-03-10 06:11:08] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-10 06:11:08] [INFO ] Added : 9 causal constraints over 2 iterations in 18 ms. Result :sat
Could not prove EG (NOT p2)
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-10 06:11:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:08] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-10 06:11:08] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 6 ms.
[2023-03-10 06:11:08] [INFO ] Added : 13 causal constraints over 3 iterations in 33 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-10 06:11:08] [INFO ] Invariant cache hit.
[2023-03-10 06:11:08] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 136 ms. Remains : 21/21 places, 18/18 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 (NOT p1) (NOT p0) (NOT p2)), (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1))))), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (X (NOT p1))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 419 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 265 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=4001 ) properties (out of 6) seen :0
Finished Best-First random walk after 654 steps, including 0 resets, run visited all 6 properties in 4 ms. (steps per millisecond=163 )
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1))))), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (X (NOT p1))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))))), (X (X (OR (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (OR (AND p2 (NOT p0)) (AND p2 (NOT p1)))), (F (AND p2 p0 p1)), (F p2), (F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (AND p0 p1))]
Knowledge based reduction with 10 factoid took 564 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 175 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
[2023-03-10 06:11:10] [INFO ] Invariant cache hit.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-10 06:11:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-10 06:11:10] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-10 06:11:10] [INFO ] Added : 9 causal constraints over 2 iterations in 18 ms. Result :sat
Could not prove EG (NOT p1)
[2023-03-10 06:11:10] [INFO ] Invariant cache hit.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-10 06:11:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:10] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2023-03-10 06:11:10] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-10 06:11:10] [INFO ] Added : 9 causal constraints over 2 iterations in 20 ms. Result :sat
Could not prove EG (NOT p2)
[2023-03-10 06:11:10] [INFO ] Invariant cache hit.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-10 06:11:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:10] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2023-03-10 06:11:10] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-10 06:11:10] [INFO ] Added : 13 causal constraints over 3 iterations in 25 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 163 ms :[(NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 950 reset in 122 ms.
Product exploration explored 100000 steps with 985 reset in 134 ms.
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-03-10 06:11:11] [INFO ] Invariant cache hit.
[2023-03-10 06:11:11] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-10 06:11:11] [INFO ] Invariant cache hit.
[2023-03-10 06:11:11] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2023-03-10 06:11:11] [INFO ] Invariant cache hit.
[2023-03-10 06:11:11] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 108 ms. Remains : 21/21 places, 18/18 transitions.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-05 finished in 5293 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2023-03-10 06:11:11] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:11] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-10 06:11:11] [INFO ] Invariant cache hit.
[2023-03-10 06:11:11] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2023-03-10 06:11:11] [INFO ] Invariant cache hit.
[2023-03-10 06:11:11] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 110 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 70 ms :[p0, p0]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s11 1) (LT s16 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 5696 reset in 77 ms.
Product exploration explored 100000 steps with 5752 reset in 85 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[p0]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=2667 ) properties (out of 1) seen :0
Finished Best-First random walk after 70 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=35 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 136 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[p0]
Stuttering acceptance computed with spot in 39 ms :[p0]
[2023-03-10 06:11:12] [INFO ] Invariant cache hit.
[2023-03-10 06:11:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:12] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:12] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-10 06:11:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:12] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-03-10 06:11:12] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-10 06:11:12] [INFO ] Added : 9 causal constraints over 2 iterations in 28 ms. Result :sat
Could not prove EG p0
Support contains 2 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 13 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 14 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 14 place count 14 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 22 place count 10 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 26 place count 8 transition count 5
Applied a total of 26 rules in 9 ms. Remains 8 /21 variables (removed 13) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 8 cols
[2023-03-10 06:11:12] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-10 06:11:12] [INFO ] Implicit Places using invariants in 24 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/21 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 49 ms. Remains : 7/21 places, 5/18 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 113 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[p0]
Incomplete random walk after 10007 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3335 ) properties (out of 1) seen :0
Finished Best-First random walk after 7 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=7 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 135 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[p0]
Stuttering acceptance computed with spot in 37 ms :[p0]
// Phase 1: matrix 5 rows 7 cols
[2023-03-10 06:11:12] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-10 06:11:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:12] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-10 06:11:12] [INFO ] Computed and/alt/rep : 4/5/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 06:11:12] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 36 ms :[p0]
Product exploration explored 100000 steps with 15167 reset in 58 ms.
Product exploration explored 100000 steps with 14992 reset in 69 ms.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-10 06:11:12] [INFO ] Invariant cache hit.
[2023-03-10 06:11:12] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-10 06:11:12] [INFO ] Invariant cache hit.
[2023-03-10 06:11:12] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-10 06:11:12] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:12] [INFO ] Invariant cache hit.
[2023-03-10 06:11:12] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-06 finished in 1660 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(G(F((X(p0) U p1))))))'
Support contains 1 out of 23 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 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 17 transition count 12
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 14 place count 15 transition count 12
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 14 place count 15 transition count 8
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 22 place count 11 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 24 place count 10 transition count 7
Applied a total of 24 rules in 6 ms. Remains 10 /23 variables (removed 13) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 10 cols
[2023-03-10 06:11:12] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:12] [INFO ] Implicit Places using invariants in 24 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/23 places, 7/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 9/23 places, 7/18 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5714 reset in 71 ms.
Product exploration explored 100000 steps with 5699 reset in 106 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 p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 121 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 76 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10007 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3335 ) properties (out of 1) seen :0
Finished Best-First random walk after 30 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=30 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 141 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 73 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 7 rows 9 cols
[2023-03-10 06:11:13] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-10 06:11:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:13] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-10 06:11:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:13] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-10 06:11:13] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-10 06:11:13] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 1 out of 9 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 : 9/9 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-10 06:11:13] [INFO ] Invariant cache hit.
[2023-03-10 06:11:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-10 06:11:13] [INFO ] Invariant cache hit.
[2023-03-10 06:11:13] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-10 06:11:13] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:13] [INFO ] Invariant cache hit.
[2023-03-10 06:11:13] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 126 ms. Remains : 9/9 places, 7/7 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 p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 118 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 187 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 10007 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=5003 ) properties (out of 1) seen :0
Finished Best-First random walk after 58 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=58 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 140 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 72 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p1)]
[2023-03-10 06:11:14] [INFO ] Invariant cache hit.
[2023-03-10 06:11:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:14] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-10 06:11:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 06:11:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:14] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-03-10 06:11:14] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-10 06:11:14] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 71 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 5732 reset in 73 ms.
Product exploration explored 100000 steps with 5703 reset in 90 ms.
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 7/7 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 8 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 6 transition count 5
Applied a total of 5 rules in 3 ms. Remains 6 /9 variables (removed 3) and now considering 5/7 (removed 2) transitions.
// Phase 1: matrix 5 rows 6 cols
[2023-03-10 06:11:14] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-10 06:11:14] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-10 06:11:14] [INFO ] Invariant cache hit.
[2023-03-10 06:11:14] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-10 06:11:14] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:14] [INFO ] Invariant cache hit.
[2023-03-10 06:11:14] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/9 places, 5/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 95 ms. Remains : 6/9 places, 5/7 transitions.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-07 finished in 2087 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((!p0||X(p0)))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 18
Applied a total of 3 rules in 1 ms. Remains 20 /23 variables (removed 3) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 20 cols
[2023-03-10 06:11:15] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 148 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p0), false, false]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=p0, acceptance={} source=3 dest: 1}, { cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=2, aps=[p0:(OR (LT s0 1) (LT s13 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-08 finished in 285 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(((p1 U !p2)&&p0))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 17 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 16 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 12 place count 16 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 20 place count 12 transition count 9
Applied a total of 20 rules in 6 ms. Remains 12 /23 variables (removed 11) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 12 cols
[2023-03-10 06:11:15] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-10 06:11:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/23 places, 9/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92 ms. Remains : 12/23 places, 9/18 transitions.
Stuttering acceptance computed with spot in 87 ms :[(OR (NOT p0) p2), p2]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(OR (AND (NOT p2) p0) (AND p0 p1)), acceptance={} source=0 dest: 0}, { cond=(OR (AND p2 (NOT p1)) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND p2 p0 p1), acceptance={0} source=0 dest: 1}], [{ cond=(AND p2 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p2 p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p2:(AND (GEQ s1 1) (GEQ s9 1)), p0:(AND (GEQ s4 1) (GEQ s7 1)), p1:(GEQ s8 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1526 reset in 185 ms.
Stack based approach found an accepted trace after 286 steps with 5 reset with depth 14 and stack size 14 in 1 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-09 finished in 381 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&&(p1 U X((F(p3)&&p2)))))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2023-03-10 06:11:15] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2023-03-10 06:11:15] [INFO ] Invariant cache hit.
[2023-03-10 06:11:15] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p0) (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 1}, { cond=(AND p1 p0), acceptance={0} source=0 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 p0 (NOT p2)), acceptance={0} source=1 dest: 2}, { cond=(AND p2 (NOT p3)), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND p2 (NOT p3)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p3), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(GEQ s20 1), p1:(AND (GEQ s1 1) (GEQ s17 1)), p2:(AND (GEQ s6 1) (GEQ s1 1) (GEQ s17 1)), p3:(GEQ s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 793 reset in 182 ms.
Product exploration explored 100000 steps with 773 reset in 174 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) (NOT p3)), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND p2 (NOT p3)))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p1) p0 (NOT p2))), (X (NOT (AND p1 p0 (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (X (X (AND (NOT p1) p0 (NOT p2)))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 1157 ms. Reduced automaton from 4 states, 13 edges and 4 AP (stutter sensitive) to 4 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p0) (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p3)]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=4001 ) properties (out of 11) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 6) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-10 06:11:17] [INFO ] Invariant cache hit.
[2023-03-10 06:11:17] [INFO ] After 21ms 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.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND p2 (NOT p3)))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p1) p0 (NOT p2))), (X (NOT (AND p1 p0 (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (X (X (AND (NOT p1) p0 (NOT p2)))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (G (NOT (AND (NOT p3) p2)))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (AND p0 p1 (NOT p2))), (F (NOT (AND p0 (NOT p1) (NOT p2)))), (F (NOT p0)), (F (AND p0 p1)), (F (NOT (AND p0 (NOT p1)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p3), (F (AND p1 (NOT p2)))]
Knowledge based reduction with 23 factoid took 1437 ms. Reduced automaton from 4 states, 13 edges and 4 AP (stutter sensitive) to 3 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) (NOT p2)), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p2)), (NOT p2), (NOT p2)]
[2023-03-10 06:11:19] [INFO ] Invariant cache hit.
[2023-03-10 06:11:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned unsat
Proved EG (NOT p2)
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND p2 (NOT p3)))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p1) p0 (NOT p2))), (X (NOT (AND p1 p0 (NOT p2)))), (X (AND p0 (NOT p2))), (X p0), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (X (X (AND (NOT p1) p0 (NOT p2)))), (X (X (NOT (AND p1 p0 (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p1 (NOT p2))))), (G (NOT (AND (NOT p3) p2)))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (AND p0 p1 (NOT p2))), (F (NOT (AND p0 (NOT p1) (NOT p2)))), (F (NOT p0)), (F (AND p0 p1)), (F (NOT (AND p0 (NOT p1)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p3), (F (AND p1 (NOT p2))), (G (NOT p2))]
Property proved to be false thanks to negative knowledge :(G (NOT p2))
Knowledge based reduction with 23 factoid took 594 ms. Reduced automaton from 3 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-10 finished in 4483 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (X((!p2||F(p0)))&&p1))))'
Support contains 6 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2023-03-10 06:11:20] [INFO ] Invariant cache hit.
[2023-03-10 06:11:20] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-10 06:11:20] [INFO ] Invariant cache hit.
[2023-03-10 06:11:20] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-10 06:11:20] [INFO ] Invariant cache hit.
[2023-03-10 06:11:20] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 95 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p1) (AND (NOT p0) p2)), (OR (NOT p1) (AND (NOT p0) p2)), true, (NOT p0), (AND (NOT p0) p2), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 3}, { cond=p1, acceptance={0} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) p2), acceptance={} source=4 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s8 1) (GEQ s14 1)), p0:(OR (LT s0 1) (LT s13 1)), p2:(AND (GEQ s1 1) (GEQ s17 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 70 ms.
Product exploration explored 100000 steps with 33333 reset in 84 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) p0 (NOT p2)), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), true, (X (X (NOT (AND (NOT p0) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge :(X (X (NOT (AND (NOT p0) p2))))
Knowledge based reduction with 8 factoid took 274 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-11 finished in 753 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G(!p0)||X(F(p1))) U X(X(p2)))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2023-03-10 06:11:20] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-10 06:11:20] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-10 06:11:20] [INFO ] Invariant cache hit.
[2023-03-10 06:11:20] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2023-03-10 06:11:21] [INFO ] Invariant cache hit.
[2023-03-10 06:11:21] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 22/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 131 ms. Remains : 22/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 486 ms :[(AND (NOT p1) p0), (OR (NOT p2) (AND p0 (NOT p1))), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p1), (NOT p2), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 9}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 p1 (NOT p2)), acceptance={0} source=1 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=1 dest: 8}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=1 dest: 9}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0} source=1 dest: 11}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(AND p0 p1 (NOT p2)), acceptance={0} source=2 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=2 dest: 8}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 11}], [{ cond=p0, acceptance={} source=3 dest: 5}, { cond=(NOT p0), acceptance={} source=3 dest: 6}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=(AND p0 p1), acceptance={} source=5 dest: 7}, { cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 8}, { cond=(NOT p1), acceptance={} source=5 dest: 10}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=6 dest: 2}, { cond=(AND p0 p1), acceptance={} source=6 dest: 7}, { cond=(AND (NOT p0) p1), acceptance={} source=6 dest: 8}, { cond=(AND p0 (NOT p1)), acceptance={} source=6 dest: 10}], [{ cond=(AND p0 p1 (NOT p2)), acceptance={0} source=7 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=7 dest: 8}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=7 dest: 10}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=8 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={0} source=8 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=8 dest: 8}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0} source=8 dest: 10}], [{ cond=(NOT p1), acceptance={0} source=9 dest: 9}], [{ cond=(AND p0 p1 (NOT p2)), acceptance={0} source=10 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=10 dest: 8}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=10 dest: 11}], [{ cond=(AND p0 p1 (NOT p2)), acceptance={0} source=11 dest: 7}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=11 dest: 8}, { cond=(AND (NOT p1) p2), acceptance={0} source=11 dest: 9}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=11 dest: 11}]], initial=4, aps=[p0:(OR (LT s11 1) (LT s16 1)), p1:(AND (GEQ s7 1) (GEQ s20 1)), p2:(GEQ s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1799 reset in 143 ms.
Product exploration explored 100000 steps with 1761 reset in 160 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 p0), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 331 ms. Reduced automaton from 12 states, 37 edges and 3 AP (stutter sensitive) to 11 states, 30 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 455 ms :[(AND (NOT p1) p0), (NOT p1), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (AND p0 (NOT p1))), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Incomplete random walk after 16004 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=1000 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 11) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 7) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-10 06:11:22] [INFO ] Invariant cache hit.
[2023-03-10 06:11:22] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 06:11:22] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:22] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 06:11:22] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-10 06:11:22] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-10 06:11:22] [INFO ] After 20ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 06:11:22] [INFO ] After 37ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-10 06:11:22] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Finished Parikh walk after 104 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=26 )
Parikh walk visited 3 properties in 4 ms.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F (AND p2 (NOT p1))), (F (AND (NOT p2) (NOT p0) p1)), (F (AND (NOT p2) p0 p1)), (F (AND (NOT p0) (NOT p1))), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (AND p2 p0 (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (AND p2 (NOT p0) (NOT p1))), (F (NOT (AND (NOT p2) p0 (NOT p1))))]
Knowledge based reduction with 7 factoid took 587 ms. Reduced automaton from 11 states, 30 edges and 3 AP (stutter sensitive) to 11 states, 30 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 457 ms :[(AND (NOT p1) p0), (NOT p1), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (AND p0 (NOT p1))), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 535 ms :[(AND (NOT p1) p0), (NOT p1), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (AND p0 (NOT p1))), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
[2023-03-10 06:11:24] [INFO ] Invariant cache hit.
[2023-03-10 06:11:24] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned unsat
Proved EG (NOT p2)
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p1)))), (F (AND p2 (NOT p1))), (F (AND (NOT p2) (NOT p0) p1)), (F (AND (NOT p2) p0 p1)), (F (AND (NOT p0) (NOT p1))), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (AND p2 p0 (NOT p1))), (F (AND (NOT p2) (NOT p0) (NOT p1))), (F (AND p2 (NOT p0) (NOT p1))), (F (NOT (AND (NOT p2) p0 (NOT p1)))), (G (NOT p2))]
Property proved to be false thanks to negative knowledge :(G (NOT p2))
Knowledge based reduction with 7 factoid took 384 ms. Reduced automaton from 11 states, 30 edges and 3 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-12 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-12 finished in 4087 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 15 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 16 place count 14 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 24 place count 10 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 28 place count 8 transition count 5
Applied a total of 28 rules in 6 ms. Remains 8 /23 variables (removed 15) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 8 cols
[2023-03-10 06:11:24] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:25] [INFO ] Implicit Places using invariants in 30 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/23 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 39 ms. Remains : 7/23 places, 5/18 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 83 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 1 ms.
FORMULA ClientsAndServers-PT-N1000P0-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-14 finished in 174 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(X(X(F(!p1)))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((X((X(p1)&&p0))&&X(p1))) U p2))'
Found a Shortening insensitive property : ClientsAndServers-PT-N1000P0-LTLFireability-05
Stuttering acceptance computed with spot in 157 ms :[(NOT p1), (NOT p2), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1) (NOT p2))]
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 17 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 16 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 12 place count 16 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 20 place count 12 transition count 9
Applied a total of 20 rules in 5 ms. Remains 12 /23 variables (removed 11) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 12 cols
[2023-03-10 06:11:25] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-10 06:11:25] [INFO ] Implicit Places using invariants in 27 ms returned [11]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 11/23 places, 9/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 36 ms. Remains : 11/23 places, 9/18 transitions.
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p2), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 0}, { cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND p2 p0 p1), acceptance={0} source=3 dest: 0}, { cond=(OR (AND p2 (NOT p0)) (AND p2 (NOT p1))), acceptance={0} source=3 dest: 2}, { cond=(NOT p2), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(GEQ s8 1), p2:(OR (GEQ s10 1) (GEQ s8 1)), p0:(AND (GEQ s1 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 2941 reset in 94 ms.
Stack based approach found an accepted trace after 276 steps with 7 reset with depth 13 and stack size 13 in 0 ms.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-05 finished in 396 ms.
Length sensitive decision was in the wrong direction : Shortening insensitive + false
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(!p0)))'
Found a Shortening insensitive property : ClientsAndServers-PT-N1000P0-LTLFireability-06
Stuttering acceptance computed with spot in 70 ms :[p0, p0]
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 15 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 16 place count 14 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 24 place count 10 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 28 place count 8 transition count 5
Applied a total of 28 rules in 5 ms. Remains 8 /23 variables (removed 15) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 8 cols
[2023-03-10 06:11:25] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-10 06:11:25] [INFO ] Implicit Places using invariants in 29 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/23 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 36 ms. Remains : 7/23 places, 5/18 transitions.
Running random walk in product with property : ClientsAndServers-PT-N1000P0-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s6 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][false, false]]
Product exploration explored 100000 steps with 15114 reset in 54 ms.
Product exploration explored 100000 steps with 15134 reset in 69 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 109 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[p0]
Incomplete random walk after 10007 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1667 ) properties (out of 1) seen :0
Finished Best-First random walk after 7 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=7 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[p0]
Stuttering acceptance computed with spot in 37 ms :[p0]
// Phase 1: matrix 5 rows 7 cols
[2023-03-10 06:11:26] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-10 06:11:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:26] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-10 06:11:26] [INFO ] Computed and/alt/rep : 4/5/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 06:11:26] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG p0
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-10 06:11:26] [INFO ] Invariant cache hit.
[2023-03-10 06:11:26] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-10 06:11:26] [INFO ] Invariant cache hit.
[2023-03-10 06:11:26] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-10 06:11:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:26] [INFO ] Invariant cache hit.
[2023-03-10 06:11:26] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 109 ms. Remains : 7/7 places, 5/5 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[p0]
Incomplete random walk after 10008 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3336 ) properties (out of 1) seen :0
Finished Best-First random walk after 7 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=7 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 139 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[p0]
Stuttering acceptance computed with spot in 36 ms :[p0]
[2023-03-10 06:11:26] [INFO ] Invariant cache hit.
[2023-03-10 06:11:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-10 06:11:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 06:11:26] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-10 06:11:26] [INFO ] Computed and/alt/rep : 4/5/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-10 06:11:26] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 38 ms :[p0]
Product exploration explored 100000 steps with 15103 reset in 55 ms.
Product exploration explored 100000 steps with 15187 reset in 71 ms.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-10 06:11:27] [INFO ] Invariant cache hit.
[2023-03-10 06:11:27] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-10 06:11:27] [INFO ] Invariant cache hit.
[2023-03-10 06:11:27] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-10 06:11:27] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 06:11:27] [INFO ] Invariant cache hit.
[2023-03-10 06:11:27] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 93 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property ClientsAndServers-PT-N1000P0-LTLFireability-06 finished in 1590 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(G(F((X(p0) U p1))))))'
[2023-03-10 06:11:27] [INFO ] Flatten gal took : 4 ms
[2023-03-10 06:11:27] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-10 06:11:27] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 23 places, 18 transitions and 48 arcs took 1 ms.
Total runtime 29371 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2381/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2381/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2381/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/2381/ltl_3_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : ClientsAndServers-PT-N1000P0-LTLFireability-03
Could not compute solution for formula : ClientsAndServers-PT-N1000P0-LTLFireability-05
Could not compute solution for formula : ClientsAndServers-PT-N1000P0-LTLFireability-06
Could not compute solution for formula : ClientsAndServers-PT-N1000P0-LTLFireability-07

BK_STOP 1678428688864

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name ClientsAndServers-PT-N1000P0-LTLFireability-03
ltl formula formula --ltl=/tmp/2381/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2381/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2381/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2381/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2381/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 8 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2
ltl formula name ClientsAndServers-PT-N1000P0-LTLFireability-05
ltl formula formula --ltl=/tmp/2381/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2381/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2381/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2381/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2381/ltl_1_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
0: pnml2lts-mc(+0xa23f4) [0x564b363e43f4]
1: pnml2lts-mc(+0xa2496) [0x564b363e4496]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x13140) [0x7fda0ef44140]
3: pnml2lts-mc(+0x405be5) [0x564b36747be5]
4: pnml2lts-mc(+0x16b3f9) [0x564b364ad3f9]
5: pnml2lts-mc(+0x164ac4) [0x564b364a6ac4]
6: pnml2lts-mc(+0x272e0a) [0x564b365b4e0a]
7: pnml2lts-mc(+0xb61f0) [0x564b363f81f0]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3b4d7) [0x7fda0ed974d7]
9: /lib/x86_64-linux-gnu/libc.so.6(+0x3b67a) [0x7fda0ed9767a]
10: pnml2lts-mc(+0xa1581) [0x564b363e3581]
11: pnml2lts-mc(+0xa1910) [0x564b363e3910]
12: pnml2lts-mc(+0xa32a2) [0x564b363e52a2]
13: pnml2lts-mc(+0xa50f4) [0x564b363e70f4]
14: pnml2lts-mc(+0xa516b) [0x564b363e716b]
15: pnml2lts-mc(+0x3f34b3) [0x564b367354b3]
16: pnml2lts-mc(+0x7c63d) [0x564b363be63d]
17: pnml2lts-mc(+0x67d86) [0x564b363a9d86]
18: pnml2lts-mc(+0x60a8a) [0x564b363a2a8a]
19: pnml2lts-mc(+0x5eb15) [0x564b363a0b15]
20: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7fda0ed7fd0a]
21: pnml2lts-mc(+0x6075e) [0x564b363a275e]
ltl formula name ClientsAndServers-PT-N1000P0-LTLFireability-06
ltl formula formula --ltl=/tmp/2381/ltl_2_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2381/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2381/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2381/ltl_2_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2381/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2
ltl formula name ClientsAndServers-PT-N1000P0-LTLFireability-07
ltl formula formula --ltl=/tmp/2381/ltl_3_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 23 places, 18 transitions and 48 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2381/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2381/ltl_3_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2381/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2381/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2

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="ClientsAndServers-PT-N1000P0"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is ClientsAndServers-PT-N1000P0, 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 r073-smll-167814399400340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N1000P0.tgz
mv ClientsAndServers-PT-N1000P0 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 ;