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.r457-smll-167912648900132.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 SmallOperatingSystem-PT-MT4096DC2048, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r457-smll-167912648900132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 8.6K Feb 25 12:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 25 12:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 12:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 25 12:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Feb 25 17:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 25 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 12:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 12:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 8.1K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679294735316

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=SmallOperatingSystem-PT-MT4096DC2048
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 06:45:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 06:45:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 06:45:38] [INFO ] Load time of PNML (sax parser for PT used): 28 ms
[2023-03-20 06:45:38] [INFO ] Transformed 9 places.
[2023-03-20 06:45:38] [INFO ] Transformed 8 transitions.
[2023-03-20 06:45:38] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 343 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 2 formulas.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 13 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-20 06:45:38] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-20 06:45:38] [INFO ] Implicit Places using invariants in 146 ms returned []
[2023-03-20 06:45:38] [INFO ] Invariant cache hit.
[2023-03-20 06:45:38] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2023-03-20 06:45:38] [INFO ] Invariant cache hit.
[2023-03-20 06:45:38] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 294 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2023-03-20 06:45:38] [INFO ] Flatten gal took : 20 ms
[2023-03-20 06:45:38] [INFO ] Flatten gal took : 5 ms
[2023-03-20 06:45:38] [INFO ] Input system was already deterministic with 8 transitions.
Incomplete random walk after 10247 steps, including 2 resets, run finished after 105 ms. (steps per millisecond=97 ) properties (out of 10) seen :5
Finished Best-First random walk after 46 steps, including 0 resets, run visited all 5 properties in 5 ms. (steps per millisecond=9 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 7 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-20 06:45:39] [INFO ] Invariant cache hit.
[2023-03-20 06:45:39] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-20 06:45:39] [INFO ] Invariant cache hit.
[2023-03-20 06:45:39] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-20 06:45:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:39] [INFO ] Invariant cache hit.
[2023-03-20 06:45:39] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 113 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 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) (AND (GEQ s0 1) (GEQ s2 1) (GEQ s5 1)) (AND (GEQ s5 1) (GEQ s6 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 7838 reset in 306 ms.
Stack based approach found an accepted trace after 31 steps with 3 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-00 finished in 730 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))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test 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 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 3 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-20 06:45:40] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-20 06:45:40] [INFO ] Invariant cache hit.
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-20 06:45:40] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 06:45:40] [INFO ] Invariant cache hit.
[2023-03-20 06:45:40] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 102 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s2 1) (AND (GEQ s4 1) (GEQ s5 1))), p1:(AND (GEQ s4 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 175 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-01 finished in 407 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 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 6 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-20 06:45:40] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants in 29 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 6 transition count 6
Applied a total of 2 rules in 5 ms. Remains 6 /7 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 6 cols
[2023-03-20 06:45:40] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-20 06:45:40] [INFO ] Invariant cache hit.
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/9 places, 6/8 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 119 ms. Remains : 6/9 places, 6/8 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s2 1) (LT s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 186 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 18 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-02 finished in 360 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 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-20 06:45:40] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-20 06:45:40] [INFO ] Implicit Places using invariants in 35 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6/9 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 6/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ 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][false, false]]
Product exploration explored 100000 steps with 24995 reset in 100 ms.
Product exploration explored 100000 steps with 24938 reset in 110 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 142 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 39 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 148 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
// Phase 1: matrix 7 rows 6 cols
[2023-03-20 06:45:41] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-20 06:45:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 06:45:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:41] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-20 06:45:41] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-20 06:45:41] [INFO ] Added : 0 causal constraints over 0 iterations in 21 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 7/7 transitions.
Graph (trivial) has 2 edges and 6 vertex of which 2 / 6 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 6 ms. Remains 5 /6 variables (removed 1) and now considering 6/7 (removed 1) transitions.
// Phase 1: matrix 6 rows 5 cols
[2023-03-20 06:45:41] [INFO ] Computed 2 place invariants in 8 ms
[2023-03-20 06:45:41] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-20 06:45:41] [INFO ] Invariant cache hit.
[2023-03-20 06:45:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:41] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2023-03-20 06:45:41] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:41] [INFO ] Invariant cache hit.
[2023-03-20 06:45:41] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/6 places, 6/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 111 ms. Remains : 5/6 places, 6/7 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 148 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=683 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 147 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2023-03-20 06:45:42] [INFO ] Invariant cache hit.
[2023-03-20 06:45:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 06:45:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:42] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 06:45:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:42] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-20 06:45:42] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-20 06:45:42] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Product exploration explored 100000 steps with 24956 reset in 107 ms.
Product exploration explored 100000 steps with 25009 reset in 87 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 06:45:42] [INFO ] Invariant cache hit.
[2023-03-20 06:45:42] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-20 06:45:42] [INFO ] Invariant cache hit.
[2023-03-20 06:45:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:42] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-20 06:45:42] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:42] [INFO ] Invariant cache hit.
[2023-03-20 06:45:42] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91 ms. Remains : 5/5 places, 6/6 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 finished in 1828 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p0)&&F(!p0))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 1 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-20 06:45:42] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-20 06:45:42] [INFO ] Implicit Places using invariants in 32 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 115 ms :[true, (NOT p0), p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s2 1) (LT s5 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 13692 reset in 155 ms.
Stack based approach found an accepted trace after 5 steps with 1 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-04 finished in 350 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(X(G(p1))&&F(p2))))'
Support contains 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-20 06:45:43] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-20 06:45:43] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-20 06:45:43] [INFO ] Invariant cache hit.
[2023-03-20 06:45:43] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
[2023-03-20 06:45:43] [INFO ] Invariant cache hit.
[2023-03-20 06:45:43] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 148 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 386 ms :[true, (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=1 dest: 1}, { cond=(AND p2 p1), acceptance={0} source=1 dest: 3}], [{ cond=p2, acceptance={} source=2 dest: 4}, { cond=(NOT p2), acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=5 dest: 1}, { cond=(AND p2 (NOT p0) p1), acceptance={} source=5 dest: 3}, { cond=(AND p2 p0 p1), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p2) p0 p1), acceptance={} source=5 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}, { cond=p0, acceptance={} source=6 dest: 6}]], initial=2, aps=[p1:(LT s8 1), p2:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(AND (GEQ s8 1) (GEQ s4 1) (GEQ s6 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, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-05 finished in 554 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-20 06:45:43] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 06:45:43] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-20 06:45:43] [INFO ] Invariant cache hit.
[2023-03-20 06:45:43] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2023-03-20 06:45:43] [INFO ] Invariant cache hit.
[2023-03-20 06:45:43] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s3 1) (GEQ s5 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 24955 reset in 51 ms.
Product exploration explored 100000 steps with 24923 reset in 76 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 248 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 169 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 06:45:44] [INFO ] Invariant cache hit.
[2023-03-20 06:45:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 06:45:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:44] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-03-20 06:45:44] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-20 06:45:44] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:44] [INFO ] Invariant cache hit.
[2023-03-20 06:45:44] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 06:45:44] [INFO ] Invariant cache hit.
[2023-03-20 06:45:44] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2023-03-20 06:45:44] [INFO ] Invariant cache hit.
[2023-03-20 06:45:45] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 123 ms. Remains : 7/7 places, 7/7 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 99 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 115 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 06:45:45] [INFO ] Invariant cache hit.
[2023-03-20 06:45:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 06:45:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-20 06:45:45] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 06:45:45] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25057 reset in 55 ms.
Product exploration explored 100000 steps with 25046 reset in 67 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:46] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36 ms. Remains : 7/7 places, 7/7 transitions.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Dead Transitions using invariants and state equation in 217 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 295 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 finished in 2915 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)&&F(G(p1)))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 06:45:46] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 88 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1)), p1:(GEQ s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 77 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 12 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-08 finished in 295 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((p0||F((G(p0)&&F(p1)))))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-20 06:45:46] [INFO ] Invariant cache hit.
[2023-03-20 06:45:46] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 74 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 229 ms :[(NOT p0), (NOT p0), (NOT p0), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}, { cond=p0, acceptance={} source=3 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (GEQ s4 1) (GEQ s5 1)), p1:(AND (GEQ s3 1) (GEQ s5 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 2561 reset in 92 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-09 finished in 415 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||(!p1 U (G(!p1)||(!p1&&G(p2))))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-20 06:45:47] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants in 22 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 126 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (AND (NOT p2) (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0, 1} source=1 dest: 1}, { cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p2 (NOT p0) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND p2 (NOT p0) p1), acceptance={1} source=2 dest: 2}]], initial=0, aps=[p2:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(GEQ s6 1), p1:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 10226 reset in 115 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-10 finished in 287 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 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test 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 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 2 with 3 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 4 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
// Phase 1: matrix 5 rows 4 cols
[2023-03-20 06:45:47] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-20 06:45:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 74 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 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:(AND (GEQ s1 1) (GEQ s2 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 0 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-11 finished in 163 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||G(!p0))) U p0))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test 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 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 2 with 3 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 3 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-20 06:45:47] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s3 1), p1:(AND (GEQ s1 1) (GEQ s2 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-12 finished in 183 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)||G(!p1)||F(p2)))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-20 06:45:47] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-20 06:45:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:47] [INFO ] Invariant cache hit.
[2023-03-20 06:45:47] [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 88 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 153 ms :[(NOT p2), (AND (NOT p2) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 3}]], initial=2, aps=[p2:(AND (GEQ s5 1) (GEQ s6 1)), p1:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p0:(LT s8 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, null][true, true, true, true]]
Product exploration explored 100000 steps with 7938 reset in 81 ms.
Stack based approach found an accepted trace after 15 steps with 2 reset with depth 5 and stack size 5 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-13 finished in 339 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((!p0&&X(!p0))))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-20 06:45:48] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 06:45:48] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-20 06:45:48] [INFO ] Invariant cache hit.
[2023-03-20 06:45:48] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2023-03-20 06:45:48] [INFO ] Invariant cache hit.
[2023-03-20 06:45:48] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 125 ms :[true, p0, p0, p0]
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=p0, acceptance={} source=3 dest: 0}, { cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=2, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-15 finished in 224 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)))'
Found a Shortening insensitive property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 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
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 5 transition count 6
Applied a total of 5 rules in 3 ms. Remains 5 /9 variables (removed 4) and now considering 6/8 (removed 2) transitions.
// Phase 1: matrix 6 rows 5 cols
[2023-03-20 06:45:48] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-20 06:45:48] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-20 06:45:48] [INFO ] Invariant cache hit.
[2023-03-20 06:45:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:48] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-20 06:45:48] [INFO ] Invariant cache hit.
[2023-03-20 06:45:48] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 5/9 places, 6/8 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 81 ms. Remains : 5/9 places, 6/8 transitions.
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ 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, cl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 25059 reset in 50 ms.
Product exploration explored 100000 steps with 24948 reset in 90 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 273 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 96 ms :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 210 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 :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
[2023-03-20 06:45:49] [INFO ] Invariant cache hit.
[2023-03-20 06:45:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 06:45:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:49] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 06:45:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:49] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-20 06:45:49] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 06:45:49] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 06:45:49] [INFO ] Invariant cache hit.
[2023-03-20 06:45:49] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-20 06:45:49] [INFO ] Invariant cache hit.
[2023-03-20 06:45:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:49] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2023-03-20 06:45:49] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:49] [INFO ] Invariant cache hit.
[2023-03-20 06:45:49] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 107 ms. Remains : 5/5 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 131 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 :[(NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 139 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 06:45:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 06:45:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:50] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2023-03-20 06:45:50] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-20 06:45:50] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 25016 reset in 50 ms.
Product exploration explored 100000 steps with 25027 reset in 56 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-20 06:45:50] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-20 06:45:50] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 96 ms. Remains : 5/5 places, 6/6 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03 finished in 1979 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Found a Shortening insensitive property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-20 06:45:50] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-20 06:45:50] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-20 06:45:50] [INFO ] Invariant cache hit.
[2023-03-20 06:45:50] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 90 ms. Remains : 7/9 places, 7/8 transitions.
Running random walk in product with property : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 24979 reset in 50 ms.
Product exploration explored 100000 steps with 25013 reset in 66 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 97 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 117 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 06:45:51] [INFO ] Invariant cache hit.
[2023-03-20 06:45:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 06:45:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:51] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2023-03-20 06:45:51] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 06:45:51] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:51] [INFO ] Invariant cache hit.
[2023-03-20 06:45:51] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 06:45:51] [INFO ] Invariant cache hit.
[2023-03-20 06:45:51] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-20 06:45:51] [INFO ] Invariant cache hit.
[2023-03-20 06:45:51] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 7/7 places, 7/7 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 96 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2050 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1025 )
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 119 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 06:45:52] [INFO ] Invariant cache hit.
[2023-03-20 06:45:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 06:45:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 06:45:52] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-03-20 06:45:52] [INFO ] Computed and/alt/rep : 6/8/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-20 06:45:52] [INFO ] Added : 0 causal constraints over 0 iterations in 56 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 145 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 24917 reset in 53 ms.
Product exploration explored 100000 steps with 24972 reset in 60 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:52] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 06:45:52] [INFO ] Invariant cache hit.
[2023-03-20 06:45:52] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34 ms. Remains : 7/7 places, 7/7 transitions.
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 7/7 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-20 06:45:52] [INFO ] Invariant cache hit.
[2023-03-20 06:45:52] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-20 06:45:52] [INFO ] Invariant cache hit.
[2023-03-20 06:45:52] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-20 06:45:52] [INFO ] Invariant cache hit.
[2023-03-20 06:45:52] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 7/7 places, 7/7 transitions.
Treatment of property SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06 finished in 2397 ms.
[2023-03-20 06:45:52] [INFO ] Flatten gal took : 8 ms
[2023-03-20 06:45:52] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 06:45:52] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 9 places, 8 transitions and 27 arcs took 0 ms.
Total runtime 15056 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1454/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1454/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
Could not compute solution for formula : SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06

BK_STOP 1679294754150

--------------------
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 SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-03
ltl formula formula --ltl=/tmp/1454/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 9 places, 8 transitions and 27 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1454/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1454/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1454/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1454/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name SmallOperatingSystem-PT-MT4096DC2048-LTLFireability-06
ltl formula formula --ltl=/tmp/1454/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 9 places, 8 transitions and 27 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 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1454/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1454/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1454/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1454/ltl_1_
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
double free or corruption (fasttop)

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT4096DC2048"
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 SmallOperatingSystem-PT-MT4096DC2048, 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 r457-smll-167912648900132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT4096DC2048.tgz
mv SmallOperatingSystem-PT-MT4096DC2048 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 ;