fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r169-tall-167838856100604
Last Updated
May 14, 2023

About the Execution of LTSMin+red for FunctionPointer-PT-a002

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
418.728 17877.00 28638.00 702.40 FFFT?FTFFTFFTTFF 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.r169-tall-167838856100604.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 FunctionPointer-PT-a002, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r169-tall-167838856100604
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 6.7K Feb 25 11:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 25 11:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 11:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 25 11:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 25 11:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 11:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Feb 25 11:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 34K 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 FunctionPointer-PT-a002-LTLFireability-00
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-01
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-02
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-03
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-04
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-05
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-06
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-07
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-08
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-09
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-10
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-11
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-12
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-13
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-14
FORMULA_NAME FunctionPointer-PT-a002-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678584904949

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=FunctionPointer-PT-a002
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 01:35:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 01:35:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 01:35:06] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2023-03-12 01:35:06] [INFO ] Transformed 40 places.
[2023-03-12 01:35:06] [INFO ] Transformed 70 transitions.
[2023-03-12 01:35:06] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 94 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a002-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 66/66 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 66
Applied a total of 3 rules in 11 ms. Remains 31 /34 variables (removed 3) and now considering 66/66 (removed 0) transitions.
[2023-03-12 01:35:06] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
// Phase 1: matrix 46 rows 31 cols
[2023-03-12 01:35:06] [INFO ] Computed 2 place invariants in 6 ms
[2023-03-12 01:35:07] [INFO ] Implicit Places using invariants in 128 ms returned []
[2023-03-12 01:35:07] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:07] [INFO ] Invariant cache hit.
[2023-03-12 01:35:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:07] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
[2023-03-12 01:35:07] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:07] [INFO ] Invariant cache hit.
[2023-03-12 01:35:07] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 31/34 places, 66/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 498 ms. Remains : 31/34 places, 66/66 transitions.
Support contains 24 out of 31 places after structural reductions.
[2023-03-12 01:35:07] [INFO ] Flatten gal took : 22 ms
[2023-03-12 01:35:07] [INFO ] Flatten gal took : 9 ms
[2023-03-12 01:35:07] [INFO ] Input system was already deterministic with 66 transitions.
Incomplete random walk after 10000 steps, including 72 resets, run finished after 229 ms. (steps per millisecond=43 ) properties (out of 28) seen :26
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-12 01:35:07] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:07] [INFO ] Invariant cache hit.
[2023-03-12 01:35:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 01:35:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-12 01:35:08] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 2 atomic propositions for a total of 15 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA FunctionPointer-PT-a002-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a002-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 8 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(!p0) U ((F(p1) U p2) U X(G(!p2)))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2023-03-12 01:35:08] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:08] [INFO ] Invariant cache hit.
[2023-03-12 01:35:08] [INFO ] Implicit Places using invariants in 49 ms returned []
[2023-03-12 01:35:08] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:08] [INFO ] Invariant cache hit.
[2023-03-12 01:35:08] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:08] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
[2023-03-12 01:35:08] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2023-03-12 01:35:08] [INFO ] Invariant cache hit.
[2023-03-12 01:35:08] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 153 ms. Remains : 31/31 places, 66/66 transitions.
Stuttering acceptance computed with spot in 384 ms :[(AND p2 (NOT p1) p0), (AND p0 p2), p2, (NOT p1), (AND (NOT p1) p2 (NOT p0)), p2]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(AND p2 (NOT p1) p0), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1) p0), acceptance={} source=1 dest: 4}, { cond=p0, acceptance={} source=1 dest: 5}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=true, acceptance={} source=2 dest: 1}, { cond=(NOT p2), acceptance={} source=2 dest: 2}, { cond=p2, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND p2 (NOT p1) (NOT p0)), acceptance={} source=4 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=5 dest: 4}, { cond=(NOT p2), acceptance={} source=5 dest: 5}, { cond=p2, acceptance={0} source=5 dest: 5}]], initial=2, aps=[p2:(AND (GEQ s1 1) (GEQ s30 1)), p1:(AND (GEQ s1 1) (GEQ s15 1)), p0:(AND (GEQ s1 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 39873 reset in 255 ms.
Stuttering criterion allowed to conclude after 59068 steps with 23423 reset in 107 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-02 finished in 1083 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||G(F((p0||G(p1))))))))'
Support contains 3 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 17 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2023-03-12 01:35:09] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 30 cols
[2023-03-12 01:35:09] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-12 01:35:09] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-12 01:35:09] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:09] [INFO ] Invariant cache hit.
[2023-03-12 01:35:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:09] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-12 01:35:09] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:09] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:09] [INFO ] Invariant cache hit.
[2023-03-12 01:35:09] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 163 ms. Remains : 30/31 places, 60/66 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(OR (LT s0 1) (LT s6 1)), p0:(AND (GEQ s0 1) (GEQ s22 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 1085 reset in 224 ms.
Product exploration explored 100000 steps with 1034 reset in 177 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND p1 (NOT p0))))]
Knowledge based reduction with 3 factoid took 230 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 3 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND p1 (NOT p0)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 3 factoid took 268 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-12 01:35:10] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:10] [INFO ] Invariant cache hit.
[2023-03-12 01:35:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-12 01:35:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-12 01:35:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 01:35:11] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-12 01:35:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 01:35:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-12 01:35:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-12 01:35:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 01:35:11] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-12 01:35:11] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2023-03-12 01:35:11] [INFO ] Computed and/alt/rep : 26/109/24 causal constraints (skipped 17 transitions) in 8 ms.
[2023-03-12 01:35:11] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 60/60 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2023-03-12 01:35:11] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:11] [INFO ] Invariant cache hit.
[2023-03-12 01:35:11] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-12 01:35:11] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:11] [INFO ] Invariant cache hit.
[2023-03-12 01:35:11] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:11] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-12 01:35:11] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:11] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:11] [INFO ] Invariant cache hit.
[2023-03-12 01:35:11] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 147 ms. Remains : 30/30 places, 60/60 transitions.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1)))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 3 factoid took 213 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=0 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1)))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (AND (NOT p0) p1))]
Knowledge based reduction with 3 factoid took 221 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2023-03-12 01:35:11] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:11] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 01:35:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-12 01:35:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-12 01:35:12] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-12 01:35:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-12 01:35:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-12 01:35:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-12 01:35:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-12 01:35:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-03-12 01:35:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:12] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2023-03-12 01:35:12] [INFO ] Computed and/alt/rep : 26/109/24 causal constraints (skipped 17 transitions) in 3 ms.
[2023-03-12 01:35:12] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1067 reset in 154 ms.
Product exploration explored 100000 steps with 1104 reset in 136 ms.
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 60/60 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:12] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-12 01:35:12] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 135 ms. Remains : 30/30 places, 60/60 transitions.
Treatment of property FunctionPointer-PT-a002-LTLFireability-04 finished in 3096 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G((F(p0) U p1))||F(!p0))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 10 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] Implicit Places using invariants in 47 ms returned []
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:12] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-12 01:35:12] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:12] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:12] [INFO ] Invariant cache hit.
[2023-03-12 01:35:12] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 159 ms. Remains : 30/31 places, 60/66 transitions.
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (GEQ s5 1) (GEQ s28 1)), p0:(AND (GEQ s1 1) (GEQ s16 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 3264 reset in 101 ms.
Stack based approach found an accepted trace after 566 steps with 15 reset with depth 35 and stack size 33 in 1 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-05 finished in 368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U X(X((!p1||(X(!p2) U ((!p3&&X(!p2))||X(G(!p2)))))))))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 1 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
// Phase 1: matrix 44 rows 30 cols
[2023-03-12 01:35:13] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-12 01:35:13] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-12 01:35:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:13] [INFO ] Invariant cache hit.
[2023-03-12 01:35:13] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:13] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2023-03-12 01:35:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:13] [INFO ] Invariant cache hit.
[2023-03-12 01:35:13] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 117 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 749 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), p2, p2, (AND p1 p2), true, (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={} source=2 dest: 6}, { cond=(NOT p0), acceptance={} source=2 dest: 9}], [{ cond=p1, acceptance={} source=3 dest: 4}, { cond=(AND p1 p3), acceptance={} source=3 dest: 5}], [{ cond=p2, acceptance={} source=4 dest: 7}], [{ cond=true, acceptance={} source=5 dest: 4}, { cond=(AND p3 (NOT p2)), acceptance={} source=5 dest: 5}, { cond=(AND p3 p2), acceptance={0} source=5 dest: 5}], [{ cond=(AND p1 (NOT p3)), acceptance={} source=6 dest: 11}, { cond=(AND p1 p3), acceptance={} source=6 dest: 12}], [{ cond=true, acceptance={0} source=7 dest: 7}], [{ cond=(AND p0 p1 p3 p2), acceptance={} source=8 dest: 6}, { cond=(AND (NOT p0) p1 (NOT p3) p2), acceptance={0} source=8 dest: 8}, { cond=(AND (NOT p0) p1 p3 p2), acceptance={0} source=8 dest: 9}, { cond=(AND p0 p1 (NOT p3) p2), acceptance={} source=8 dest: 10}], [{ cond=(AND p0 p1 p3), acceptance={} source=9 dest: 6}, { cond=(AND (NOT p0) p1 (NOT p3) (NOT p2)), acceptance={} source=9 dest: 8}, { cond=(AND (NOT p0) p1 (NOT p3) p2), acceptance={0} source=9 dest: 8}, { cond=(AND (NOT p0) p1 p3 (NOT p2)), acceptance={} source=9 dest: 9}, { cond=(AND (NOT p0) p1 p3 p2), acceptance={0} source=9 dest: 9}, { cond=(AND p0 p1 (NOT p3)), acceptance={} source=9 dest: 10}], [{ cond=(AND p1 (NOT p3) p2), acceptance={} source=10 dest: 11}, { cond=(AND p1 p3 p2), acceptance={} source=10 dest: 12}], [{ cond=(AND p1 p2), acceptance={} source=11 dest: 4}, { cond=(AND p1 p3 p2), acceptance={} source=11 dest: 5}], [{ cond=p1, acceptance={} source=12 dest: 4}, { cond=(AND p1 p3), acceptance={} source=12 dest: 5}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s22 1)), p1:(AND (GEQ s0 1) (GEQ s19 1)), p3:(OR (NOT (AND (GEQ s1 1) (GEQ s24 1))) (AND (GEQ s0 1) (GEQ s13 1))), p2:(AND (GEQ s0...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 108 ms.
Product exploration explored 100000 steps with 33333 reset in 111 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p3 (NOT p2)), (X (NOT p0)), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p0) p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) p1 p3 (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p3))))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND p0 p1 p3)))), (X (X (NOT (AND (NOT p0) p1 p3 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT p1)))
Knowledge based reduction with 11 factoid took 388 ms. Reduced automaton from 13 states, 30 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-a002-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a002-LTLFireability-06 finished in 1503 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 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:14] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 114 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 172 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-07 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:(OR (LT s4 1) (LT s17 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 157 steps with 2 reset in 0 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-07 finished in 300 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)))'
Support contains 2 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:14] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-12 01:35:14] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:14] [INFO ] Invariant cache hit.
[2023-03-12 01:35:14] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 140 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 93 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-08 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:(OR (LT s1 1) (LT s10 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 6 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-08 finished in 247 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((G(F(p1)) U p2)&&(!p1 U (p3||G(!p1))))||p0)))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 10 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2023-03-12 01:35:15] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 30 cols
[2023-03-12 01:35:15] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-12 01:35:15] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-12 01:35:15] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:15] [INFO ] Invariant cache hit.
[2023-03-12 01:35:15] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:15] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-12 01:35:15] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:15] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:15] [INFO ] Invariant cache hit.
[2023-03-12 01:35:15] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 139 ms. Remains : 30/31 places, 60/66 transitions.
Stuttering acceptance computed with spot in 220 ms :[(OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) (NOT p2))), true, (NOT p1), (NOT p1), (NOT p2), (AND p0 p1 (NOT p3))]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(OR p0 (NOT p1) p3), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1 (NOT p3)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3)), acceptance={} source=0 dest: 3}, { cond=(OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3)), acceptance={} source=0 dest: 4}, { cond=(AND (NOT p0) (NOT p1) (NOT p3)), acceptance={} source=0 dest: 5}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 2}, { cond=(NOT p2), acceptance={0} source=4 dest: 3}, { cond=(NOT p2), acceptance={0} source=4 dest: 4}], [{ cond=(AND p0 p1 (NOT p3)), acceptance={} source=5 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p3)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s22 1)), p1:(AND (GEQ s5 1) (GEQ s17 1)), p3:(AND (NOT (AND (GEQ s1 1) (GEQ s13 1))) (NOT (AND (GEQ s5 1) (GEQ s17 1)))), p2:(AND (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][true, true, true, true, true, true]]
Product exploration explored 100000 steps with 984 reset in 286 ms.
Product exploration explored 100000 steps with 1006 reset in 215 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p3 (NOT p2)), (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3)))), (X (NOT p1)), (X (OR p0 (NOT p1) p3)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (X (NOT (AND p0 p1 (NOT p3)))), (X (NOT (AND p0 (NOT p1) (NOT p3)))), (X (AND (NOT p2) (NOT p1))), true, (X (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3))))), (X (X (NOT p1))), (X (X (OR p0 (NOT p1) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (NOT (AND p0 p1 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 1173 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter insensitive) to 6 states, 15 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 196 ms :[(OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) (NOT p2))), true, (NOT p1), (NOT p1), (NOT p2), (AND p0 (NOT p3) p1)]
Incomplete random walk after 10000 steps, including 61 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 10) seen :5
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-12 01:35:17] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:17] [INFO ] Invariant cache hit.
[2023-03-12 01:35:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-12 01:35:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-12 01:35:17] [INFO ] After 102ms SMT Verify possible using all constraints in real domain returned unsat :4 sat :0 real:1
[2023-03-12 01:35:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 01:35:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-12 01:35:17] [INFO ] After 42ms SMT Verify possible using all constraints in natural domain returned unsat :5 sat :0
Fused 5 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 5 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1) p3 (NOT p2)), (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3)))), (X (NOT p1)), (X (OR p0 (NOT p1) p3)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT p2)), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (X (NOT (AND p0 p1 (NOT p3)))), (X (NOT (AND p0 (NOT p1) (NOT p3)))), (X (AND (NOT p2) (NOT p1))), true, (X (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) p3))))), (X (X (NOT p1))), (X (X (OR p0 (NOT p1) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (NOT (AND p0 p1 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p1)))), (G (NOT (AND (NOT p0) (NOT p3) (NOT p1)))), (G (NOT (OR (AND (NOT p0) p3 (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p2))))), (G (OR p0 p3 (NOT p1))), (G (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (G (NOT (AND (NOT p0) (NOT p3) p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2)))), (F p1), (F (AND p0 (NOT p3) p1)), (F p2), (F (AND p0 (NOT p3) (NOT p1)))]
Property proved to be true thanks to knowledge :(G (OR p0 p3 (NOT p1)))
Knowledge based reduction with 27 factoid took 1181 ms. Reduced automaton from 6 states, 15 edges and 4 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-a002-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a002-LTLFireability-09 finished in 3890 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(p0) U p1) U X(p2)))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 1 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:18] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
// Phase 1: matrix 44 rows 30 cols
[2023-03-12 01:35:18] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-12 01:35:18] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-12 01:35:18] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:18] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:19] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 251 ms :[(NOT p2), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2), true, (NOT p0), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(OR p1 p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=2 dest: 6}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=3 dest: 2}, { cond=(OR (AND p1 (NOT p2)) (AND p0 (NOT p2))), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=6 dest: 4}, { cond=(AND (NOT p1) p0), acceptance={0} source=6 dest: 5}, { cond=(AND (NOT p1) p0), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(AND (GEQ s1 1) (GEQ s19 1)), p0:(AND (GEQ s1 1) (GEQ s14 1)), p2:(AND (GEQ s1 1) (GEQ s24 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, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-10 finished in 392 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!p0) U (!p1&&F(p1))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:19] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 107 ms :[true, true, true, (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p1, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(AND (GEQ s1 1) (GEQ s25 1)), p0:(OR (LT s4 1) (LT 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][false, false, false, false]]
Stuttering criterion allowed to conclude after 59 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-11 finished in 263 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)||G((p1||G(p2)))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 9 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 30 cols
[2023-03-12 01:35:19] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-12 01:35:19] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:19] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-12 01:35:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-12 01:35:19] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-12 01:35:19] [INFO ] Invariant cache hit.
[2023-03-12 01:35:19] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 141 ms. Remains : 30/31 places, 60/66 transitions.
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) p2), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (OR (LT s0 1) (LT s6 1)) (OR (LT s5 1) (LT s27 1))), p1:(AND (GEQ s0 1) (GEQ s11 1)), p2:(OR (LT s5 1) (LT s27 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 39939 reset in 131 ms.
Product exploration explored 100000 steps with 39952 reset in 128 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X (AND (NOT p0) (NOT p1) p2)), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT p0)), (X p0)]
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 10 factoid took 383 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-a002-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a002-LTLFireability-12 finished in 908 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 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:20] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
// Phase 1: matrix 44 rows 30 cols
[2023-03-12 01:35:20] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-12 01:35:20] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-12 01:35:20] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:20] [INFO ] Invariant cache hit.
[2023-03-12 01:35:20] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:20] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-12 01:35:20] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:20] [INFO ] Invariant cache hit.
[2023-03-12 01:35:20] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 123 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 63 ms :[p0, p0]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[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, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 75 ms.
Product exploration explored 100000 steps with 50000 reset in 100 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT p0))
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FunctionPointer-PT-a002-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a002-LTLFireability-13 finished in 439 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)) U p1)&&G(X(X(p1)))))'
Support contains 3 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:20] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:20] [INFO ] Invariant cache hit.
[2023-03-12 01:35:20] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-12 01:35:20] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:20] [INFO ] Invariant cache hit.
[2023-03-12 01:35:21] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:21] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2023-03-12 01:35:21] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:21] [INFO ] Invariant cache hit.
[2023-03-12 01:35:21] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 112 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 213 ms :[true, (NOT p1), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p1, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND p1 p0), acceptance={} source=4 dest: 3}, { cond=(OR (NOT p1) (NOT p0)), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 0}, { cond=(AND p1 p0), acceptance={0} source=5 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={0} source=5 dest: 5}]], initial=1, aps=[p1:(AND (GEQ s1 1) (GEQ s8 1)), p0:(AND (GEQ s1 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-14 finished in 343 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))'
Support contains 2 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 6 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2023-03-12 01:35:21] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:21] [INFO ] Invariant cache hit.
[2023-03-12 01:35:21] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-12 01:35:21] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:21] [INFO ] Invariant cache hit.
[2023-03-12 01:35:21] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-12 01:35:21] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-12 01:35:21] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-12 01:35:21] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2023-03-12 01:35:21] [INFO ] Invariant cache hit.
[2023-03-12 01:35:21] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 130 ms. Remains : 30/31 places, 62/66 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a002-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s20 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 68 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a002-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a002-LTLFireability-15 finished in 177 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||G(F((p0||G(p1))))))))'
[2023-03-12 01:35:21] [INFO ] Flatten gal took : 9 ms
[2023-03-12 01:35:21] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-12 01:35:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 31 places, 66 transitions and 264 arcs took 0 ms.
Total runtime 15185 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1296/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : FunctionPointer-PT-a002-LTLFireability-04

BK_STOP 1678584922826

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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 FunctionPointer-PT-a002-LTLFireability-04
ltl formula formula --ltl=/tmp/1296/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 31 places, 66 transitions and 264 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 0.010 real 0.010 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1296/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1296/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1296/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1296/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 states
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) [0x55be8a4ac3f4]
1: pnml2lts-mc(+0xa2496) [0x55be8a4ac496]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x13140) [0x7f6bb9988140]
3: pnml2lts-mc(+0x405be5) [0x55be8a80fbe5]
4: pnml2lts-mc(+0x16b3f9) [0x55be8a5753f9]
5: pnml2lts-mc(+0x164ac4) [0x55be8a56eac4]
6: pnml2lts-mc(+0x272e0a) [0x55be8a67ce0a]
7: pnml2lts-mc(+0xb61f0) [0x55be8a4c01f0]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3b4d7) [0x7f6bb97db4d7]
9: /lib/x86_64-linux-gnu/libc.so.6(+0x3b67a) [0x7f6bb97db67a]
10: pnml2lts-mc(+0xa1581) [0x55be8a4ab581]
11: pnml2lts-mc(+0xa1910) [0x55be8a4ab910]
12: pnml2lts-mc(+0xa32a2) [0x55be8a4ad2a2]
13: pnml2lts-mc(+0xa50f4) [0x55be8a4af0f4]
14: pnml2lts-mc(+0xa516b) [0x55be8a4af16b]
15: pnml2lts-mc(+0x3f34b3) [0x55be8a7fd4b3]
16: pnml2lts-mc(+0x7c63d) [0x55be8a48663d]
17: pnml2lts-mc(+0x67d86) [0x55be8a471d86]
18: pnml2lts-mc(+0x60a8a) [0x55be8a46aa8a]
19: pnml2lts-mc(+0x5eb15) [0x55be8a468b15]
20: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f6bb97c3d0a]
21: pnml2lts-mc(+0x6075e) [0x55be8a46a75e]

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="FunctionPointer-PT-a002"
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 FunctionPointer-PT-a002, 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 r169-tall-167838856100604"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a002.tgz
mv FunctionPointer-PT-a002 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 ;