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.r391-oct2-167903715500628.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ShieldPPPt-PT-020A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r391-oct2-167903715500628
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.1K Feb 25 21:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 25 21:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 21:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K Feb 25 21:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 21:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Feb 25 21:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 25 21:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 21:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 134K 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 ShieldPPPt-PT-020A-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-020A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679279206214

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-020A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-20 02:26:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 02:26:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 02:26:48] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2023-03-20 02:26:48] [INFO ] Transformed 503 places.
[2023-03-20 02:26:48] [INFO ] Transformed 363 transitions.
[2023-03-20 02:26:48] [INFO ] Found NUPN structural information;
[2023-03-20 02:26:48] [INFO ] Parsed PT model containing 503 places and 363 transitions and 1446 arcs in 290 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldPPPt-PT-020A-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-020A-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-020A-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-020A-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-020A-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-020A-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 53 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:26:48] [INFO ] Computed 221 place invariants in 16 ms
[2023-03-20 02:26:49] [INFO ] Implicit Places using invariants in 841 ms returned []
[2023-03-20 02:26:49] [INFO ] Invariant cache hit.
[2023-03-20 02:26:50] [INFO ] Implicit Places using invariants and state equation in 625 ms returned []
Implicit Place search using SMT with State Equation took 1502 ms to find 0 implicit places.
[2023-03-20 02:26:50] [INFO ] Invariant cache hit.
[2023-03-20 02:26:50] [INFO ] Dead Transitions using invariants and state equation in 275 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1833 ms. Remains : 503/503 places, 362/362 transitions.
Support contains 38 out of 503 places after structural reductions.
[2023-03-20 02:26:50] [INFO ] Flatten gal took : 72 ms
[2023-03-20 02:26:50] [INFO ] Flatten gal took : 32 ms
[2023-03-20 02:26:50] [INFO ] Input system was already deterministic with 362 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 511 ms. (steps per millisecond=19 ) properties (out of 21) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-20 02:26:51] [INFO ] Invariant cache hit.
[2023-03-20 02:26:51] [INFO ] [Real]Absence check using 221 positive place invariants in 28 ms returned sat
[2023-03-20 02:26:52] [INFO ] After 593ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-20 02:26:52] [INFO ] [Nat]Absence check using 221 positive place invariants in 64 ms returned sat
[2023-03-20 02:26:53] [INFO ] After 307ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-20 02:26:53] [INFO ] After 659ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 209 ms.
[2023-03-20 02:26:53] [INFO ] After 1198ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Finished Parikh walk after 665 steps, including 0 resets, run visited all 1 properties in 6 ms. (steps per millisecond=110 )
Parikh walk visited 5 properties in 118 ms.
Computed a total of 1 stabilizing places and 1 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)&&F(G(p1)))))'
Support contains 3 out of 503 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 501 transition count 360
Applied a total of 4 rules in 67 ms. Remains 501 /503 variables (removed 2) and now considering 360/362 (removed 2) transitions.
// Phase 1: matrix 360 rows 501 cols
[2023-03-20 02:26:54] [INFO ] Computed 221 place invariants in 4 ms
[2023-03-20 02:26:54] [INFO ] Implicit Places using invariants in 393 ms returned [494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 398 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 500/503 places, 360/362 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 500 transition count 358
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 498 transition count 358
Applied a total of 4 rules in 41 ms. Remains 498 /500 variables (removed 2) and now considering 358/360 (removed 2) transitions.
// Phase 1: matrix 358 rows 498 cols
[2023-03-20 02:26:54] [INFO ] Computed 220 place invariants in 2 ms
[2023-03-20 02:26:54] [INFO ] Implicit Places using invariants in 336 ms returned [481, 485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 339 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 496/503 places, 358/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 494 transition count 356
Applied a total of 4 rules in 35 ms. Remains 494 /496 variables (removed 2) and now considering 356/358 (removed 2) transitions.
// Phase 1: matrix 356 rows 494 cols
[2023-03-20 02:26:55] [INFO ] Computed 218 place invariants in 2 ms
[2023-03-20 02:26:55] [INFO ] Implicit Places using invariants in 305 ms returned []
[2023-03-20 02:26:55] [INFO ] Invariant cache hit.
[2023-03-20 02:26:56] [INFO ] Implicit Places using invariants and state equation in 899 ms returned []
Implicit Place search using SMT with State Equation took 1223 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 494/503 places, 356/362 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2104 ms. Remains : 494/503 places, 356/362 transitions.
Stuttering acceptance computed with spot in 448 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-01 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:(EQ s445 0), p1:(OR (EQ s120 0) (EQ s135 0))], 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 470 reset in 567 ms.
Product exploration explored 100000 steps with 446 reset in 614 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 297 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 164 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-20 02:26:58] [INFO ] Invariant cache hit.
[2023-03-20 02:26:58] [INFO ] [Real]Absence check using 218 positive place invariants in 33 ms returned sat
[2023-03-20 02:26:58] [INFO ] After 343ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-20 02:26:59] [INFO ] [Nat]Absence check using 218 positive place invariants in 58 ms returned sat
[2023-03-20 02:26:59] [INFO ] After 238ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-20 02:26:59] [INFO ] After 313ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 80 ms.
[2023-03-20 02:26:59] [INFO ] After 656ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 20 ms.
Support contains 2 out of 494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 494/494 places, 356/356 transitions.
Partial Free-agglomeration rule applied 76 times.
Drop transitions removed 76 transitions
Iterating global reduction 0 with 76 rules applied. Total rules applied 76 place count 494 transition count 356
Applied a total of 76 rules in 69 ms. Remains 494 /494 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 494/494 places, 356/356 transitions.
Finished random walk after 2411 steps, including 0 resets, run visited all 1 properties in 13 ms. (steps per millisecond=185 )
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 5 factoid took 304 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 236 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 224 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 3 out of 494 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 494/494 places, 356/356 transitions.
Applied a total of 0 rules in 29 ms. Remains 494 /494 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-20 02:27:00] [INFO ] Invariant cache hit.
[2023-03-20 02:27:00] [INFO ] Implicit Places using invariants in 358 ms returned []
[2023-03-20 02:27:00] [INFO ] Invariant cache hit.
[2023-03-20 02:27:01] [INFO ] Implicit Places using invariants and state equation in 528 ms returned []
Implicit Place search using SMT with State Equation took 905 ms to find 0 implicit places.
[2023-03-20 02:27:01] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-20 02:27:01] [INFO ] Invariant cache hit.
[2023-03-20 02:27:01] [INFO ] Dead Transitions using invariants and state equation in 472 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1455 ms. Remains : 494/494 places, 356/356 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 269 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-20 02:27:02] [INFO ] Invariant cache hit.
[2023-03-20 02:27:02] [INFO ] [Real]Absence check using 218 positive place invariants in 41 ms returned sat
[2023-03-20 02:27:02] [INFO ] After 472ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-20 02:27:03] [INFO ] [Nat]Absence check using 218 positive place invariants in 69 ms returned sat
[2023-03-20 02:27:03] [INFO ] After 248ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-20 02:27:03] [INFO ] After 299ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 97 ms.
[2023-03-20 02:27:03] [INFO ] After 645ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 19 ms.
Support contains 2 out of 494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 494/494 places, 356/356 transitions.
Partial Free-agglomeration rule applied 76 times.
Drop transitions removed 76 transitions
Iterating global reduction 0 with 76 rules applied. Total rules applied 76 place count 494 transition count 356
Applied a total of 76 rules in 35 ms. Remains 494 /494 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 494/494 places, 356/356 transitions.
Finished random walk after 4110 steps, including 1 resets, run visited all 1 properties in 21 ms. (steps per millisecond=195 )
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 5 factoid took 355 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 165 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 461 reset in 413 ms.
Product exploration explored 100000 steps with 418 reset in 559 ms.
Support contains 3 out of 494 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 494/494 places, 356/356 transitions.
Applied a total of 0 rules in 23 ms. Remains 494 /494 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-20 02:27:05] [INFO ] Invariant cache hit.
[2023-03-20 02:27:06] [INFO ] Implicit Places using invariants in 389 ms returned []
[2023-03-20 02:27:06] [INFO ] Invariant cache hit.
[2023-03-20 02:27:06] [INFO ] Implicit Places using invariants and state equation in 570 ms returned []
Implicit Place search using SMT with State Equation took 962 ms to find 0 implicit places.
[2023-03-20 02:27:06] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-20 02:27:06] [INFO ] Invariant cache hit.
[2023-03-20 02:27:06] [INFO ] Dead Transitions using invariants and state equation in 285 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1281 ms. Remains : 494/494 places, 356/356 transitions.
Treatment of property ShieldPPPt-PT-020A-LTLFireability-01 finished in 12904 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 6 out of 503 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 501 transition count 360
Applied a total of 4 rules in 26 ms. Remains 501 /503 variables (removed 2) and now considering 360/362 (removed 2) transitions.
// Phase 1: matrix 360 rows 501 cols
[2023-03-20 02:27:07] [INFO ] Computed 221 place invariants in 1 ms
[2023-03-20 02:27:07] [INFO ] Implicit Places using invariants in 666 ms returned [494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 682 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 500/503 places, 360/362 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 500 transition count 358
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 498 transition count 358
Applied a total of 4 rules in 18 ms. Remains 498 /500 variables (removed 2) and now considering 358/360 (removed 2) transitions.
// Phase 1: matrix 358 rows 498 cols
[2023-03-20 02:27:07] [INFO ] Computed 220 place invariants in 1 ms
[2023-03-20 02:27:08] [INFO ] Implicit Places using invariants in 400 ms returned [481, 485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 412 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 496/503 places, 358/362 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 495 transition count 357
Applied a total of 2 rules in 28 ms. Remains 495 /496 variables (removed 1) and now considering 357/358 (removed 1) transitions.
// Phase 1: matrix 357 rows 495 cols
[2023-03-20 02:27:08] [INFO ] Computed 218 place invariants in 2 ms
[2023-03-20 02:27:08] [INFO ] Implicit Places using invariants in 326 ms returned []
[2023-03-20 02:27:08] [INFO ] Invariant cache hit.
[2023-03-20 02:27:08] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 762 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 495/503 places, 357/362 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1936 ms. Remains : 495/503 places, 357/362 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (EQ s470 1) (EQ s482 1)) (AND (EQ s11 1) (EQ s21 1)) (AND (EQ s465 1) (EQ s491 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]]
Product exploration explored 100000 steps with 25173 reset in 622 ms.
Product exploration explored 100000 steps with 25200 reset in 645 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 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 298 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 51 ms :[(NOT p0)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 167 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 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2023-03-20 02:27:10] [INFO ] Invariant cache hit.
[2023-03-20 02:27:11] [INFO ] [Real]Absence check using 218 positive place invariants in 144 ms returned sat
[2023-03-20 02:27:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:11] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2023-03-20 02:27:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:27:12] [INFO ] [Nat]Absence check using 218 positive place invariants in 85 ms returned sat
[2023-03-20 02:27:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:12] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2023-03-20 02:27:12] [INFO ] Computed and/alt/rep : 356/1108/356 causal constraints (skipped 0 transitions) in 43 ms.
[2023-03-20 02:27:16] [INFO ] Added : 335 causal constraints over 67 iterations in 3700 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 495 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 495/495 places, 357/357 transitions.
Applied a total of 0 rules in 27 ms. Remains 495 /495 variables (removed 0) and now considering 357/357 (removed 0) transitions.
[2023-03-20 02:27:16] [INFO ] Invariant cache hit.
[2023-03-20 02:27:16] [INFO ] Implicit Places using invariants in 475 ms returned []
[2023-03-20 02:27:16] [INFO ] Invariant cache hit.
[2023-03-20 02:27:17] [INFO ] Implicit Places using invariants and state equation in 668 ms returned []
Implicit Place search using SMT with State Equation took 1158 ms to find 0 implicit places.
[2023-03-20 02:27:17] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-20 02:27:17] [INFO ] Invariant cache hit.
[2023-03-20 02:27:17] [INFO ] Dead Transitions using invariants and state equation in 360 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1571 ms. Remains : 495/495 places, 357/357 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 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 100 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 26 ms :[(NOT p0)]
Finished random walk after 3 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=3 )
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 241 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 62 ms :[(NOT p0)]
[2023-03-20 02:27:18] [INFO ] Invariant cache hit.
[2023-03-20 02:27:18] [INFO ] [Real]Absence check using 218 positive place invariants in 99 ms returned sat
[2023-03-20 02:27:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:19] [INFO ] [Real]Absence check using state equation in 390 ms returned sat
[2023-03-20 02:27:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:27:19] [INFO ] [Nat]Absence check using 218 positive place invariants in 79 ms returned sat
[2023-03-20 02:27:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:19] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2023-03-20 02:27:19] [INFO ] Computed and/alt/rep : 356/1108/356 causal constraints (skipped 0 transitions) in 32 ms.
[2023-03-20 02:27:23] [INFO ] Added : 335 causal constraints over 67 iterations in 3417 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Product exploration explored 100000 steps with 25219 reset in 582 ms.
Product exploration explored 100000 steps with 25132 reset in 647 ms.
Support contains 6 out of 495 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 495/495 places, 357/357 transitions.
Applied a total of 0 rules in 11 ms. Remains 495 /495 variables (removed 0) and now considering 357/357 (removed 0) transitions.
[2023-03-20 02:27:24] [INFO ] Invariant cache hit.
[2023-03-20 02:27:24] [INFO ] Implicit Places using invariants in 395 ms returned []
[2023-03-20 02:27:24] [INFO ] Invariant cache hit.
[2023-03-20 02:27:25] [INFO ] Implicit Places using invariants and state equation in 667 ms returned []
Implicit Place search using SMT with State Equation took 1067 ms to find 0 implicit places.
[2023-03-20 02:27:25] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-20 02:27:25] [INFO ] Invariant cache hit.
[2023-03-20 02:27:25] [INFO ] Dead Transitions using invariants and state equation in 285 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1374 ms. Remains : 495/495 places, 357/357 transitions.
Treatment of property ShieldPPPt-PT-020A-LTLFireability-04 finished in 18903 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||(G(p1)&&X(p2)))) U G(!p3))))'
Support contains 6 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 11 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:27:25] [INFO ] Computed 221 place invariants in 16 ms
[2023-03-20 02:27:26] [INFO ] Implicit Places using invariants in 490 ms returned []
[2023-03-20 02:27:26] [INFO ] Invariant cache hit.
[2023-03-20 02:27:26] [INFO ] Implicit Places using invariants and state equation in 522 ms returned []
Implicit Place search using SMT with State Equation took 1030 ms to find 0 implicit places.
[2023-03-20 02:27:26] [INFO ] Invariant cache hit.
[2023-03-20 02:27:27] [INFO ] Dead Transitions using invariants and state equation in 258 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1299 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 315 ms :[p3, p3, (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (AND p0 (NOT p1)), (AND p0 (NOT p2))]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p3), acceptance={} source=1 dest: 1}, { cond=p3, acceptance={0} source=1 dest: 1}, { cond=(AND p3 p0 (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND p3 p0 p1), acceptance={} source=1 dest: 3}, { cond=(AND p3 p0 p1), acceptance={} source=1 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={} source=2 dest: 3}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND p0 p1 (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p3:(AND (EQ s183 1) (EQ s200 1)), p0:(AND (EQ s212 1) (EQ s214 1)), p1:(NEQ s47 1), p2:(NEQ s422 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 415 ms.
Stack based approach found an accepted trace after 86958 steps with 0 reset with depth 86959 and stack size 54359 in 526 ms.
FORMULA ShieldPPPt-PT-020A-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-020A-LTLFireability-05 finished in 2605 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 503 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 501 transition count 360
Applied a total of 4 rules in 16 ms. Remains 501 /503 variables (removed 2) and now considering 360/362 (removed 2) transitions.
// Phase 1: matrix 360 rows 501 cols
[2023-03-20 02:27:28] [INFO ] Computed 221 place invariants in 2 ms
[2023-03-20 02:27:28] [INFO ] Implicit Places using invariants in 282 ms returned [494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 296 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 500/503 places, 360/362 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 500 transition count 358
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 498 transition count 358
Applied a total of 4 rules in 28 ms. Remains 498 /500 variables (removed 2) and now considering 358/360 (removed 2) transitions.
// Phase 1: matrix 358 rows 498 cols
[2023-03-20 02:27:28] [INFO ] Computed 220 place invariants in 1 ms
[2023-03-20 02:27:29] [INFO ] Implicit Places using invariants in 408 ms returned [481, 485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 425 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 496/503 places, 358/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 494 transition count 356
Applied a total of 4 rules in 37 ms. Remains 494 /496 variables (removed 2) and now considering 356/358 (removed 2) transitions.
// Phase 1: matrix 356 rows 494 cols
[2023-03-20 02:27:29] [INFO ] Computed 218 place invariants in 1 ms
[2023-03-20 02:27:29] [INFO ] Implicit Places using invariants in 341 ms returned []
[2023-03-20 02:27:29] [INFO ] Invariant cache hit.
[2023-03-20 02:27:30] [INFO ] Implicit Places using invariants and state equation in 650 ms returned []
Implicit Place search using SMT with State Equation took 993 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 494/503 places, 356/362 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1795 ms. Remains : 494/503 places, 356/362 transitions.
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-07 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 (EQ s229 1) (EQ s248 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 9 reset in 444 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA ShieldPPPt-PT-020A-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-020A-LTLFireability-07 finished in 2403 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&&F(p1)))))'
Support contains 3 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 6 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:27:30] [INFO ] Computed 221 place invariants in 2 ms
[2023-03-20 02:27:31] [INFO ] Implicit Places using invariants in 295 ms returned []
[2023-03-20 02:27:31] [INFO ] Invariant cache hit.
[2023-03-20 02:27:31] [INFO ] Implicit Places using invariants and state equation in 555 ms returned []
Implicit Place search using SMT with State Equation took 865 ms to find 0 implicit places.
[2023-03-20 02:27:31] [INFO ] Invariant cache hit.
[2023-03-20 02:27:32] [INFO ] Dead Transitions using invariants and state equation in 253 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1127 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(OR (EQ s305 0) (EQ s322 0)), p0:(EQ s149 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 942 ms.
Product exploration explored 100000 steps with 50000 reset in 825 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p0 (NOT p1)))), (X p0), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p1))
Knowledge based reduction with 6 factoid took 179 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-020A-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-020A-LTLFireability-08 finished in 3265 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(p1))&&p0) U X(!p1)))'
Support contains 4 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 4 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
[2023-03-20 02:27:34] [INFO ] Invariant cache hit.
[2023-03-20 02:27:34] [INFO ] Implicit Places using invariants in 313 ms returned []
[2023-03-20 02:27:34] [INFO ] Invariant cache hit.
[2023-03-20 02:27:34] [INFO ] Implicit Places using invariants and state equation in 481 ms returned []
Implicit Place search using SMT with State Equation took 810 ms to find 0 implicit places.
[2023-03-20 02:27:34] [INFO ] Invariant cache hit.
[2023-03-20 02:27:35] [INFO ] Dead Transitions using invariants and state equation in 352 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1182 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 152 ms :[p1, true, p1, p1]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 3}], [{ cond=p1, acceptance={} source=3 dest: 1}]], initial=0, aps=[p0:(AND (EQ s343 1) (EQ s350 1)), p1:(AND (EQ s317 1) (EQ s319 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 818 ms.
Product exploration explored 100000 steps with 50000 reset in 850 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND p0 p1)))
Knowledge based reduction with 8 factoid took 228 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-020A-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-020A-LTLFireability-09 finished in 3252 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(F(p0)) U (F(p0)&&X(p1)))))'
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 8 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
[2023-03-20 02:27:37] [INFO ] Invariant cache hit.
[2023-03-20 02:27:37] [INFO ] Implicit Places using invariants in 367 ms returned []
[2023-03-20 02:27:37] [INFO ] Invariant cache hit.
[2023-03-20 02:27:38] [INFO ] Implicit Places using invariants and state equation in 599 ms returned []
Implicit Place search using SMT with State Equation took 967 ms to find 0 implicit places.
[2023-03-20 02:27:38] [INFO ] Invariant cache hit.
[2023-03-20 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 264 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1239 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 244 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 2}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(NEQ s226 1), p1:(EQ s490 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][false, false, false, false, false]]
Product exploration explored 100000 steps with 8 reset in 435 ms.
Product exploration explored 100000 steps with 8 reset in 461 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 369 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-20 02:27:40] [INFO ] Invariant cache hit.
[2023-03-20 02:27:40] [INFO ] [Real]Absence check using 221 positive place invariants in 46 ms returned sat
[2023-03-20 02:27:40] [INFO ] After 361ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-20 02:27:41] [INFO ] [Nat]Absence check using 221 positive place invariants in 83 ms returned sat
[2023-03-20 02:27:41] [INFO ] After 131ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-20 02:27:41] [INFO ] After 181ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 16 ms.
[2023-03-20 02:27:41] [INFO ] After 416ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 502 transition count 361
Partial Free-agglomeration rule applied 79 times.
Drop transitions removed 79 transitions
Iterating global reduction 0 with 79 rules applied. Total rules applied 81 place count 502 transition count 361
Applied a total of 81 rules in 39 ms. Remains 502 /503 variables (removed 1) and now considering 361/362 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 502/503 places, 361/362 transitions.
Finished random walk after 1718 steps, including 0 resets, run visited all 1 properties in 10 ms. (steps per millisecond=171 )
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F p1), (F (AND (NOT p1) (NOT p0)))]
Knowledge based reduction with 5 factoid took 289 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 237 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 284 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
[2023-03-20 02:27:42] [INFO ] Invariant cache hit.
[2023-03-20 02:27:42] [INFO ] [Real]Absence check using 221 positive place invariants in 149 ms returned sat
[2023-03-20 02:27:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:43] [INFO ] [Real]Absence check using state equation in 728 ms returned sat
[2023-03-20 02:27:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:27:43] [INFO ] [Nat]Absence check using 221 positive place invariants in 101 ms returned sat
[2023-03-20 02:27:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:44] [INFO ] [Nat]Absence check using state equation in 421 ms returned sat
[2023-03-20 02:27:44] [INFO ] Computed and/alt/rep : 361/1119/361 causal constraints (skipped 0 transitions) in 34 ms.
[2023-03-20 02:27:47] [INFO ] Added : 354 causal constraints over 71 iterations in 3185 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 5 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
[2023-03-20 02:27:47] [INFO ] Invariant cache hit.
[2023-03-20 02:27:47] [INFO ] Implicit Places using invariants in 429 ms returned []
[2023-03-20 02:27:47] [INFO ] Invariant cache hit.
[2023-03-20 02:27:48] [INFO ] Implicit Places using invariants and state equation in 398 ms returned []
Implicit Place search using SMT with State Equation took 839 ms to find 0 implicit places.
[2023-03-20 02:27:48] [INFO ] Invariant cache hit.
[2023-03-20 02:27:48] [INFO ] Dead Transitions using invariants and state equation in 233 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1078 ms. Remains : 503/503 places, 362/362 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 168 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-20 02:27:48] [INFO ] Invariant cache hit.
[2023-03-20 02:27:49] [INFO ] [Real]Absence check using 221 positive place invariants in 25 ms returned sat
[2023-03-20 02:27:49] [INFO ] After 353ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-20 02:27:49] [INFO ] [Nat]Absence check using 221 positive place invariants in 91 ms returned sat
[2023-03-20 02:27:49] [INFO ] After 259ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-20 02:27:49] [INFO ] After 338ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 40 ms.
[2023-03-20 02:27:49] [INFO ] After 568ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 19 ms.
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 503/503 places, 362/362 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 502 transition count 361
Partial Free-agglomeration rule applied 79 times.
Drop transitions removed 79 transitions
Iterating global reduction 0 with 79 rules applied. Total rules applied 81 place count 502 transition count 361
Applied a total of 81 rules in 39 ms. Remains 502 /503 variables (removed 1) and now considering 361/362 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 502/503 places, 361/362 transitions.
Finished random walk after 1358 steps, including 0 resets, run visited all 2 properties in 23 ms. (steps per millisecond=59 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(F (NOT p0)), (F p1), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 3 factoid took 406 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 291 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 265 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
[2023-03-20 02:27:50] [INFO ] Invariant cache hit.
[2023-03-20 02:27:51] [INFO ] [Real]Absence check using 221 positive place invariants in 292 ms returned sat
[2023-03-20 02:27:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:52] [INFO ] [Real]Absence check using state equation in 815 ms returned sat
[2023-03-20 02:27:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:27:52] [INFO ] [Nat]Absence check using 221 positive place invariants in 81 ms returned sat
[2023-03-20 02:27:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:27:53] [INFO ] [Nat]Absence check using state equation in 574 ms returned sat
[2023-03-20 02:27:53] [INFO ] Computed and/alt/rep : 361/1119/361 causal constraints (skipped 0 transitions) in 18 ms.
[2023-03-20 02:27:56] [INFO ] Added : 354 causal constraints over 71 iterations in 3114 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 239 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 13 reset in 343 ms.
Product exploration explored 100000 steps with 10 reset in 440 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 296 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p1), (NOT p0)]
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 503 transition count 362
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 103 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
[2023-03-20 02:27:58] [INFO ] Redundant transitions in 2 ms returned []
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:27:58] [INFO ] Computed 221 place invariants in 1 ms
[2023-03-20 02:27:58] [INFO ] Dead Transitions using invariants and state equation in 299 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 503/503 places, 362/362 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 430 ms. Remains : 503/503 places, 362/362 transitions.
Support contains 2 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 8 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:27:58] [INFO ] Computed 221 place invariants in 1 ms
[2023-03-20 02:27:58] [INFO ] Implicit Places using invariants in 360 ms returned []
[2023-03-20 02:27:58] [INFO ] Invariant cache hit.
[2023-03-20 02:27:59] [INFO ] Implicit Places using invariants and state equation in 462 ms returned []
Implicit Place search using SMT with State Equation took 823 ms to find 0 implicit places.
[2023-03-20 02:27:59] [INFO ] Invariant cache hit.
[2023-03-20 02:27:59] [INFO ] Dead Transitions using invariants and state equation in 235 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1093 ms. Remains : 503/503 places, 362/362 transitions.
Treatment of property ShieldPPPt-PT-020A-LTLFireability-10 finished in 22175 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 G(!p0)) U X((!p1 U (p2||G(!p1))))))'
Support contains 6 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 10 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
[2023-03-20 02:27:59] [INFO ] Invariant cache hit.
[2023-03-20 02:27:59] [INFO ] Implicit Places using invariants in 284 ms returned []
[2023-03-20 02:27:59] [INFO ] Invariant cache hit.
[2023-03-20 02:28:00] [INFO ] Implicit Places using invariants and state equation in 628 ms returned []
Implicit Place search using SMT with State Equation took 914 ms to find 0 implicit places.
[2023-03-20 02:28:00] [INFO ] Invariant cache hit.
[2023-03-20 02:28:00] [INFO ] Dead Transitions using invariants and state equation in 213 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1152 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 410 ms :[(AND p1 (NOT p2)), (AND (NOT p2) p1 p0), (AND p1 (NOT p2)), (AND p0 (NOT p2) p1), true, p0, (AND (NOT p2) p1), p0]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=1 dest: 5}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 6}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 2}, { cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=3 dest: 5}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=3 dest: 7}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=p0, acceptance={} source=5 dest: 4}, { cond=(NOT p0), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p2) p1), acceptance={} source=6 dest: 4}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=6 dest: 6}], [{ cond=(NOT p0), acceptance={} source=7 dest: 5}, { cond=p0, acceptance={0} source=7 dest: 7}]], initial=0, aps=[p0:(AND (EQ s390 1) (EQ s424 1)), p2:(AND (NOT (AND (EQ s128 1) (EQ s151 1))) (NOT (AND (EQ s255 1) (EQ s272 1)))), p1:(AND (EQ s255 1) (EQ s272 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 919 ms.
Product exploration explored 100000 steps with 50000 reset in 869 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), true, (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2) (NOT p1)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p0) p2 (NOT p1))
Knowledge based reduction with 17 factoid took 981 ms. Reduced automaton from 8 states, 19 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-020A-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-020A-LTLFireability-12 finished in 4373 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 4 out of 503 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 501 transition count 360
Applied a total of 4 rules in 14 ms. Remains 501 /503 variables (removed 2) and now considering 360/362 (removed 2) transitions.
// Phase 1: matrix 360 rows 501 cols
[2023-03-20 02:28:03] [INFO ] Computed 221 place invariants in 1 ms
[2023-03-20 02:28:04] [INFO ] Implicit Places using invariants in 454 ms returned [494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 470 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 500/503 places, 360/362 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 500 transition count 358
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 498 transition count 358
Applied a total of 4 rules in 9 ms. Remains 498 /500 variables (removed 2) and now considering 358/360 (removed 2) transitions.
// Phase 1: matrix 358 rows 498 cols
[2023-03-20 02:28:04] [INFO ] Computed 220 place invariants in 1 ms
[2023-03-20 02:28:04] [INFO ] Implicit Places using invariants in 300 ms returned [481, 485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 316 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 496/503 places, 358/362 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 494 transition count 356
Applied a total of 4 rules in 11 ms. Remains 494 /496 variables (removed 2) and now considering 356/358 (removed 2) transitions.
// Phase 1: matrix 356 rows 494 cols
[2023-03-20 02:28:04] [INFO ] Computed 218 place invariants in 1 ms
[2023-03-20 02:28:05] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-20 02:28:05] [INFO ] Invariant cache hit.
[2023-03-20 02:28:05] [INFO ] Implicit Places using invariants and state equation in 724 ms returned []
Implicit Place search using SMT with State Equation took 1155 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 494/503 places, 356/362 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1986 ms. Remains : 494/503 places, 356/362 transitions.
Stuttering acceptance computed with spot in 44 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p1:(OR (EQ s345 0) (EQ s360 0)), p0:(AND (EQ s283 1) (EQ s300 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 19 reset in 361 ms.
Stack based approach found an accepted trace after 1813 steps with 0 reset with depth 1814 and stack size 1657 in 8 ms.
FORMULA ShieldPPPt-PT-020A-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-020A-LTLFireability-14 finished in 2411 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||(p0 U p1)))&&F(p0))))'
Support contains 4 out of 503 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 503/503 places, 362/362 transitions.
Applied a total of 0 rules in 4 ms. Remains 503 /503 variables (removed 0) and now considering 362/362 (removed 0) transitions.
// Phase 1: matrix 362 rows 503 cols
[2023-03-20 02:28:06] [INFO ] Computed 221 place invariants in 1 ms
[2023-03-20 02:28:06] [INFO ] Implicit Places using invariants in 402 ms returned []
[2023-03-20 02:28:06] [INFO ] Invariant cache hit.
[2023-03-20 02:28:07] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 887 ms to find 0 implicit places.
[2023-03-20 02:28:07] [INFO ] Invariant cache hit.
[2023-03-20 02:28:07] [INFO ] Dead Transitions using invariants and state equation in 288 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1180 ms. Remains : 503/503 places, 362/362 transitions.
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-020A-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(OR p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p0, acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(AND (EQ s461 1) (EQ s471 1)), p1:(AND (EQ s120 1) (EQ s135 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-020A-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-020A-LTLFireability-15 finished in 1370 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)))))'
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))'
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(F(p0)) U (F(p0)&&X(p1)))))'
[2023-03-20 02:28:08] [INFO ] Flatten gal took : 23 ms
[2023-03-20 02:28:08] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 02:28:08] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 503 places, 362 transitions and 1444 arcs took 3 ms.
Total runtime 79826 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldPPPt-PT-020A
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
LTLFireability

FORMULA ShieldPPPt-PT-020A-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldPPPt-PT-020A-LTLFireability-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldPPPt-PT-020A-LTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679279288485

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:544
lola: rewrite Frontend/Parser/formula_rewrite.k:373
lola: rewrite Frontend/Parser/formula_rewrite.k:430
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 11 (type EXCL) for 10 ShieldPPPt-PT-020A-LTLFireability-10
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: FINISHED task # 11 (type EXCL) for ShieldPPPt-PT-020A-LTLFireability-10
lola: result : false
lola: markings : 342
lola: fired transitions : 342
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 5 (type EXCL) for 0 ShieldPPPt-PT-020A-LTLFireability-01
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 5 (type EXCL) for ShieldPPPt-PT-020A-LTLFireability-01
lola: result : false
lola: markings : 614
lola: fired transitions : 621
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 13 (type EXCL) for 7 ShieldPPPt-PT-020A-LTLFireability-04
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 13 (type EXCL) for ShieldPPPt-PT-020A-LTLFireability-04
lola: result : false
lola: markings : 8
lola: fired transitions : 8
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
ShieldPPPt-PT-020A-LTLFireability-01: CONJ false LTL model checker
ShieldPPPt-PT-020A-LTLFireability-04: F true state space / EG
ShieldPPPt-PT-020A-LTLFireability-10: LTL false LTL model checker


Time elapsed: 0 secs. Pages in use: 1

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="ShieldPPPt-PT-020A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is ShieldPPPt-PT-020A, 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 r391-oct2-167903715500628"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-020A.tgz
mv ShieldPPPt-PT-020A 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 ;