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.r201-smll-167840347900540.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is HouseConstruction-PT-00020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-smll-167840347900540
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.4K Feb 25 13:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 25 13:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 13:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 13:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 16:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 13:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Feb 25 13:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Feb 25 13:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 25 13:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 13K 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 HouseConstruction-PT-00020-LTLFireability-00
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-01
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-02
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-03
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-04
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-05
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-06
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-07
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-08
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-09
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-10
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-11
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-12
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-13
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-14
FORMULA_NAME HouseConstruction-PT-00020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678773308159

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=HouseConstruction-PT-00020
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-14 05:55:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-14 05:55:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 05:55:11] [INFO ] Load time of PNML (sax parser for PT used): 36 ms
[2023-03-14 05:55:11] [INFO ] Transformed 26 places.
[2023-03-14 05:55:11] [INFO ] Transformed 18 transitions.
[2023-03-14 05:55:11] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 134 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA HouseConstruction-PT-00020-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-00020-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-00020-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-00020-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-00020-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 15 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2023-03-14 05:55:11] [INFO ] Computed 8 place invariants in 7 ms
[2023-03-14 05:55:11] [INFO ] Implicit Places using invariants in 176 ms returned []
[2023-03-14 05:55:11] [INFO ] Invariant cache hit.
[2023-03-14 05:55:11] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
[2023-03-14 05:55:11] [INFO ] Invariant cache hit.
[2023-03-14 05:55:11] [INFO ] Dead Transitions using invariants and state equation in 61 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 382 ms. Remains : 26/26 places, 18/18 transitions.
Support contains 22 out of 26 places after structural reductions.
[2023-03-14 05:55:12] [INFO ] Flatten gal took : 25 ms
[2023-03-14 05:55:12] [INFO ] Flatten gal took : 7 ms
[2023-03-14 05:55:12] [INFO ] Input system was already deterministic with 18 transitions.
Finished random walk after 337 steps, including 0 resets, run visited all 16 properties in 29 ms. (steps per millisecond=11 )
FORMULA HouseConstruction-PT-00020-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 26 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 26 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to 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((F(p1)&&p0))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2023-03-14 05:55:12] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-14 05:55:12] [INFO ] Implicit Places using invariants in 61 ms returned [3, 9, 13, 19]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 64 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/26 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.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(LT s7 1), p0:(AND (LT s4 1) (LT s3 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 328 ms.
Product exploration explored 100000 steps with 50000 reset in 174 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND p0 (NOT p1)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (F (G p1)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND p0 (NOT p1))))
Knowledge based reduction with 8 factoid took 179 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-00 finished in 1201 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 24 transition count 14
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 21 transition count 14
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 6 place count 21 transition count 8
Deduced a syphon composed of 6 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 20 place count 13 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 21 place count 12 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 21 place count 12 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 23 place count 11 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 3 rules applied. Total rules applied 26 place count 9 transition count 6
Applied a total of 26 rules in 15 ms. Remains 9 /26 variables (removed 17) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 9 cols
[2023-03-14 05:55:13] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-14 05:55:13] [INFO ] Implicit Places using invariants in 26 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/26 places, 6/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 43 ms. Remains : 8/26 places, 6/18 transitions.
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(AND (GEQ s4 1) (GEQ s5 1) (GEQ s7 1)), p0:(GEQ s1 1)], nbAcceptance=0, 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 16171 reset in 386 ms.
Product exploration explored 100000 steps with 16153 reset in 184 ms.
Computed a total of 8 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 6
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 7 factoid took 410 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p0)]
Finished random walk after 85 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=42 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 7 factoid took 460 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p0)]
// Phase 1: matrix 6 rows 8 cols
[2023-03-14 05:55:15] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-14 05:55:15] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-14 05:55:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:15] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-14 05:55:15] [INFO ] Computed and/alt/rep : 5/7/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-14 05:55:15] [INFO ] Added : 5 causal constraints over 1 iterations in 23 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-14 05:55:15] [INFO ] Invariant cache hit.
[2023-03-14 05:55:15] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-14 05:55:15] [INFO ] Invariant cache hit.
[2023-03-14 05:55:15] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-14 05:55:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:15] [INFO ] Invariant cache hit.
[2023-03-14 05:55:15] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 8 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 6
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 7 factoid took 377 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p1), (NOT p0)]
Finished random walk after 85 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=42 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 7 factoid took 441 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), (NOT p0)]
[2023-03-14 05:55:16] [INFO ] Invariant cache hit.
[2023-03-14 05:55:16] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-14 05:55:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:16] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-14 05:55:16] [INFO ] Computed and/alt/rep : 5/7/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-14 05:55:16] [INFO ] Added : 5 causal constraints over 1 iterations in 14 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 16250 reset in 360 ms.
Product exploration explored 100000 steps with 16100 reset in 118 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-14 05:55:17] [INFO ] Invariant cache hit.
[2023-03-14 05:55:17] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-14 05:55:17] [INFO ] Invariant cache hit.
[2023-03-14 05:55:17] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-14 05:55:17] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:17] [INFO ] Invariant cache hit.
[2023-03-14 05:55:17] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 103 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property HouseConstruction-PT-00020-LTLFireability-01 finished in 3946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)||X(X(G(p1)))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2023-03-14 05:55:17] [INFO ] Computed 8 place invariants in 7 ms
[2023-03-14 05:55:17] [INFO ] Implicit Places using invariants in 76 ms returned [3, 9, 13, 20]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 88 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 91 ms. Remains : 22/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 166 ms :[p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND p0 p1), acceptance={} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 1}], [{ cond=p0, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LT s7 1), p1:(AND (GEQ s13 1) (GEQ s14 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][false, false, false, false]]
Product exploration explored 100000 steps with 6467 reset in 82 ms.
Product exploration explored 100000 steps with 6466 reset in 200 ms.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 264 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[p0, p0]
Finished random walk after 106 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=106 )
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 6 factoid took 251 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 37 ms :[p0]
Stuttering acceptance computed with spot in 38 ms :[p0]
// Phase 1: matrix 18 rows 22 cols
[2023-03-14 05:55:18] [INFO ] Computed 4 place invariants in 8 ms
[2023-03-14 05:55:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-14 05:55:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:18] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2023-03-14 05:55:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-14 05:55:18] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-14 05:55:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:19] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2023-03-14 05:55:19] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-14 05:55:19] [INFO ] Added : 17 causal constraints over 4 iterations in 43 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 22 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 : 22/22 places, 18/18 transitions.
Graph (complete) has 24 edges and 22 vertex of which 14 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 6 output transitions
Drop transitions removed 6 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 13 transition count 8
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 10 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 7 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 2 with 4 rules applied. Total rules applied 11 place count 8 transition count 6
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 13 place count 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 14 place count 6 transition count 5
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 15 place count 5 transition count 4
Applied a total of 15 rules in 8 ms. Remains 5 /22 variables (removed 17) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 5 cols
[2023-03-14 05:55:19] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-14 05:55:19] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-14 05:55:19] [INFO ] Invariant cache hit.
[2023-03-14 05:55:19] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-14 05:55:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:19] [INFO ] Invariant cache hit.
[2023-03-14 05:55:19] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/22 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 84 ms. Remains : 5/22 places, 4/18 transitions.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 177 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 36 ms :[p0]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [p0, (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 187 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 36 ms :[p0]
Stuttering acceptance computed with spot in 36 ms :[p0]
[2023-03-14 05:55:19] [INFO ] Invariant cache hit.
[2023-03-14 05:55:19] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-14 05:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:19] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-14 05:55:19] [INFO ] Computed and/alt/rep : 2/3/2 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-14 05:55:19] [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 29535 reset in 49 ms.
Product exploration explored 100000 steps with 29603 reset in 68 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Graph (complete) has 3 edges and 5 vertex of which 2 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Applied a total of 1 rules in 1 ms. Remains 2 /5 variables (removed 3) and now considering 2/4 (removed 2) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-14 05:55:19] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-14 05:55:19] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-14 05:55:19] [INFO ] Invariant cache hit.
[2023-03-14 05:55:19] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-14 05:55:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:19] [INFO ] Invariant cache hit.
[2023-03-14 05:55:19] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/5 places, 2/4 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 126 ms. Remains : 2/5 places, 2/4 transitions.
Treatment of property HouseConstruction-PT-00020-LTLFireability-02 finished in 2455 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) U p3))&&p0)))'
Support contains 5 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 11 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 11 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 10 transition count 7
Applied a total of 3 rules in 2 ms. Remains 10 /26 variables (removed 16) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 10 cols
[2023-03-14 05:55:20] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-14 05:55:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/26 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 97 ms. Remains : 10/26 places, 7/18 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p0) (NOT p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p2) (NOT p3))), (NOT p3), (NOT p3), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (AND (NOT p3) (NOT p2) (NOT p1))), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p3) (NOT p2) p1), acceptance={0} source=0 dest: 1}, { cond=(OR (AND p0 (NOT p3) p2) (AND p0 (NOT p3) p1)), acceptance={0} source=0 dest: 2}, { cond=(OR (AND p0 p3) (AND p0 p2) (AND p0 p1)), acceptance={} source=0 dest: 3}], [{ cond=(OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p3) (NOT p2) (NOT p1))), acceptance={0} source=1 dest: 0}, { cond=(OR (AND (NOT p0) (NOT p2) p1) (AND (NOT p3) (NOT p2) p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 p3 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND p0 p3 (NOT p2) p1), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={0} source=2 dest: 1}, { cond=(OR (AND (NOT p3) p2) (AND (NOT p3) p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={0} source=3 dest: 1}, { cond=(OR (AND (NOT p3) p2) (AND (NOT p3) p1)), acceptance={0} source=3 dest: 2}, { cond=(OR p3 p2 p1), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 0}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={0} source=4 dest: 1}, { cond=(AND p3 (NOT p2) (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(AND p3 (NOT p2) p1), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s5 1) (GEQ s8 1) (GEQ s9 1)), p3:(AND (GEQ s5 1) (GEQ s8 1) (GEQ s9 1)), p2:(GEQ s1 1), p1:(GEQ s4 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Stuttering criterion allowed to conclude after 2232 steps with 57 reset in 18 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-03 finished in 436 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 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 17 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 16 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 15 transition count 11
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 3 place count 15 transition count 7
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 13 place count 9 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 13 place count 9 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 8 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 18 place count 6 transition count 5
Applied a total of 18 rules in 6 ms. Remains 6 /26 variables (removed 20) and now considering 5/18 (removed 13) transitions.
// Phase 1: matrix 5 rows 6 cols
[2023-03-14 05:55:20] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-14 05:55:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/26 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 6/26 places, 5/18 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-05 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 (GEQ s5 1) (AND (GEQ s1 1) (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]]
Stuttering criterion allowed to conclude after 107 steps with 2 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-05 finished in 190 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 2 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2023-03-14 05:55:20] [INFO ] Computed 7 place invariants in 1 ms
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants in 34 ms returned [3, 9, 13, 19]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 37 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/26 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.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(AND (GEQ s8 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, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-09 finished in 218 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 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 15 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.0 ms
Discarding 11 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
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 2 rules applied. Total rules applied 3 place count 13 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 11 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 11 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 11 place count 7 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 11 place count 7 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 16 place count 4 transition count 4
Applied a total of 16 rules in 9 ms. Remains 4 /26 variables (removed 22) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 4 cols
[2023-03-14 05:55:20] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2023-03-14 05:55:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:20] [INFO ] Invariant cache hit.
[2023-03-14 05:55:20] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/26 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 4/26 places, 4/18 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-10 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 (GEQ s3 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 90 steps with 2 reset in 1 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-10 finished in 169 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F((p1 U (p2||G(p1)))))))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 10 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.0 ms
Discarding 16 places :
Also discarding 9 output transitions
Drop transitions removed 9 transitions
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 9 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 8 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 7 transition count 6
Applied a total of 5 rules in 4 ms. Remains 7 /26 variables (removed 19) and now considering 6/18 (removed 12) transitions.
// Phase 1: matrix 6 rows 7 cols
[2023-03-14 05:55:21] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-14 05:55:21] [INFO ] Implicit Places using invariants in 24 ms returned [1]
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 : 6/26 places, 6/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30 ms. Remains : 6/26 places, 6/18 transitions.
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s2 1), p2:(AND (LT s3 1) (LT s5 1)), p1:(LT s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 120 steps with 0 reset in 1 ms.
FORMULA HouseConstruction-PT-00020-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-00020-LTLFireability-13 finished in 172 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 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 15 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.1 ms
Discarding 11 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
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 2 rules applied. Total rules applied 3 place count 13 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 11 transition count 8
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 5 place count 11 transition count 5
Deduced a syphon composed of 3 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 13 place count 6 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 13 place count 6 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 5 transition count 4
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 4 transition count 4
Applied a total of 16 rules in 3 ms. Remains 4 /26 variables (removed 22) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 4 cols
[2023-03-14 05:55:21] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-14 05:55:21] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-14 05:55:21] [INFO ] Invariant cache hit.
[2023-03-14 05:55:21] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-14 05:55:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:21] [INFO ] Invariant cache hit.
[2023-03-14 05:55:21] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/26 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 83 ms. Remains : 4/26 places, 4/18 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-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:(AND (LT s1 1) (LT s3 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 1234 reset in 134 ms.
Product exploration explored 100000 steps with 1234 reset in 149 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X (NOT p0)), (F (G p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge :(F (G p0))
Knowledge based reduction with 3 factoid took 138 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-14 finished in 593 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 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 25 transition count 18
Applied a total of 1 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 25 cols
[2023-03-14 05:55:21] [INFO ] Computed 7 place invariants in 0 ms
[2023-03-14 05:55:21] [INFO ] Implicit Places using invariants in 48 ms returned [3, 9, 13, 19]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 63 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/26 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.
Finished structural reductions in LTL mode , in 2 iterations and 66 ms. Remains : 21/26 places, 18/18 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LT s20 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 84 ms.
Product exploration explored 100000 steps with 50000 reset in 66 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 132 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-00020-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-00020-LTLFireability-15 finished in 476 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U 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(!p0)||X(X(G(p1)))))'
Found a Lengthening insensitive property : HouseConstruction-PT-00020-LTLFireability-02
Stuttering acceptance computed with spot in 152 ms :[p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Graph (complete) has 31 edges and 26 vertex of which 16 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 6 output transitions
Drop transitions removed 6 transitions
Reduce places removed 1 places and 1 transitions.
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 2 rules applied. Total rules applied 3 place count 15 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 13 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 13 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 11 place count 9 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 11 place count 9 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 13 place count 8 transition count 6
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 15 place count 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 16 place count 6 transition count 5
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 17 place count 5 transition count 4
Applied a total of 17 rules in 10 ms. Remains 5 /26 variables (removed 21) and now considering 4/18 (removed 14) transitions.
// Phase 1: matrix 4 rows 5 cols
[2023-03-14 05:55:22] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-14 05:55:22] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-14 05:55:22] [INFO ] Invariant cache hit.
[2023-03-14 05:55:22] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-14 05:55:22] [INFO ] Invariant cache hit.
[2023-03-14 05:55:22] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 5/26 places, 4/18 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 82 ms. Remains : 5/26 places, 4/18 transitions.
Running random walk in product with property : HouseConstruction-PT-00020-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND p0 p1), acceptance={} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 1}], [{ cond=p0, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LT s1 1), p1:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 29630 reset in 57 ms.
Product exploration explored 100000 steps with 29680 reset in 66 ms.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 276 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[p0, p0]
Finished random walk after 22 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=11 )
Knowledge obtained : [(AND p0 (NOT p1)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 271 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]
Stuttering acceptance computed with spot in 36 ms :[p0]
[2023-03-14 05:55:23] [INFO ] Invariant cache hit.
[2023-03-14 05:55:23] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-14 05:55:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:23] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-14 05:55:23] [INFO ] Computed and/alt/rep : 2/3/2 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-14 05:55:23] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG p0
Support contains 1 out of 5 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 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-14 05:55:23] [INFO ] Invariant cache hit.
[2023-03-14 05:55:23] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-14 05:55:23] [INFO ] Invariant cache hit.
[2023-03-14 05:55:23] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-14 05:55:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:23] [INFO ] Invariant cache hit.
[2023-03-14 05:55:23] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76 ms. Remains : 5/5 places, 4/4 transitions.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 2 factoid took 165 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 36 ms :[p0]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [p0, (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0))), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 188 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 36 ms :[p0]
Stuttering acceptance computed with spot in 36 ms :[p0]
[2023-03-14 05:55:24] [INFO ] Invariant cache hit.
[2023-03-14 05:55:24] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-14 05:55:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 05:55:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-14 05:55:24] [INFO ] Computed and/alt/rep : 2/3/2 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-14 05:55:24] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 36 ms :[p0]
Product exploration explored 100000 steps with 29655 reset in 48 ms.
Product exploration explored 100000 steps with 29498 reset in 58 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Graph (complete) has 3 edges and 5 vertex of which 2 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Applied a total of 1 rules in 1 ms. Remains 2 /5 variables (removed 3) and now considering 2/4 (removed 2) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-14 05:55:24] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-14 05:55:24] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-14 05:55:24] [INFO ] Invariant cache hit.
[2023-03-14 05:55:24] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2023-03-14 05:55:24] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:55:24] [INFO ] Invariant cache hit.
[2023-03-14 05:55:24] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/5 places, 2/4 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64 ms. Remains : 2/5 places, 2/4 transitions.
Treatment of property HouseConstruction-PT-00020-LTLFireability-02 finished in 2102 ms.
[2023-03-14 05:55:24] [INFO ] Flatten gal took : 6 ms
[2023-03-14 05:55:24] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-14 05:55:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 26 places, 18 transitions and 51 arcs took 0 ms.
Total runtime 13592 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1297/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1297/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : HouseConstruction-PT-00020-LTLFireability-01
Could not compute solution for formula : HouseConstruction-PT-00020-LTLFireability-02

BK_STOP 1678773326241

--------------------
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 HouseConstruction-PT-00020-LTLFireability-01
ltl formula formula --ltl=/tmp/1297/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 26 places, 18 transitions and 51 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1297/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1297/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1297/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1297/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 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 HouseConstruction-PT-00020-LTLFireability-02
ltl formula formula --ltl=/tmp/1297/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
pnml2lts-mc( 0/ 4): Petri net has 26 places, 18 transitions and 51 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
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( 1/ 4): LTL layer: formula: /tmp/1297/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1297/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1297/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1297/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 4 states
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) [0x55d2e98063f4]
1: pnml2lts-mc(+0xa2496) [0x55d2e9806496]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x13140) [0x7f975a3dc140]
3: pnml2lts-mc(+0x405b30) [0x55d2e9b69b30]
4: pnml2lts-mc(+0x16b3f9) [0x55d2e98cf3f9]
5: pnml2lts-mc(+0x164ac4) [0x55d2e98c8ac4]
6: pnml2lts-mc(+0x272e0a) [0x55d2e99d6e0a]
7: pnml2lts-mc(+0xb61f0) [0x55d2e981a1f0]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3b4d7) [0x7f975a22f4d7]
9: /lib/x86_64-linux-gnu/libc.so.6(+0x3b67a) [0x7f975a22f67a]
10: pnml2lts-mc(+0xa1581) [0x55d2e9805581]
11: pnml2lts-mc(+0xa1910) [0x55d2e9805910]
12: pnml2lts-mc(+0xa32a2) [0x55d2e98072a2]
13: pnml2lts-mc(+0xa50f4) [0x55d2e98090f4]
14: pnml2lts-mc(+0xa516b) [0x55d2e980916b]
15: pnml2lts-mc(+0x3f34b3) [0x55d2e9b574b3]
16: pnml2lts-mc(+0x7c63d) [0x55d2e97e063d]
17: pnml2lts-mc(+0x67d86) [0x55d2e97cbd86]
18: pnml2lts-mc(+0x60a8a) [0x55d2e97c4a8a]
19: pnml2lts-mc(+0x5eb15) [0x55d2e97c2b15]
20: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f975a217d0a]
21: pnml2lts-mc(+0x6075e) [0x55d2e97c475e]

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="HouseConstruction-PT-00020"
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 HouseConstruction-PT-00020, 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 r201-smll-167840347900540"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-00020.tgz
mv HouseConstruction-PT-00020 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 ;