About the Execution of ITS-Tools for SquareGrid-PT-040204
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1595.640 | 69234.00 | 115017.00 | 844.30 | TFFFFFFFFFTFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r453-smll-167912645300363.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SquareGrid-PT-040204, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r453-smll-167912645300363
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 6.2K Feb 25 12:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Feb 25 12:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 12:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 12:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 17:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 17:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Feb 25 12:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 12:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rwxr-xr-x 1 mcc users 130K 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 SquareGrid-PT-040204-LTLCardinality-00
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-01
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-02
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-03
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-04
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-05
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-06
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-07
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-08
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-09
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-10
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-11
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-12
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-13
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-14
FORMULA_NAME SquareGrid-PT-040204-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679297457258
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=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SquareGrid-PT-040204
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202303021504
[2023-03-20 07:31:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-20 07:31:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 07:31:00] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2023-03-20 07:31:00] [INFO ] Transformed 240 places.
[2023-03-20 07:31:00] [INFO ] Transformed 272 transitions.
[2023-03-20 07:31:00] [INFO ] Parsed PT model containing 240 places and 272 transitions and 1088 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA SquareGrid-PT-040204-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-040204-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 61 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 31 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
// Phase 1: matrix 272 rows 240 cols
[2023-03-20 07:31:00] [INFO ] Computed 97 place invariants in 25 ms
[2023-03-20 07:31:01] [INFO ] Implicit Places using invariants in 741 ms returned []
[2023-03-20 07:31:01] [INFO ] Invariant cache hit.
[2023-03-20 07:31:02] [INFO ] Implicit Places using invariants and state equation in 531 ms returned []
Implicit Place search using SMT with State Equation took 1326 ms to find 0 implicit places.
[2023-03-20 07:31:02] [INFO ] Invariant cache hit.
[2023-03-20 07:31:02] [INFO ] Dead Transitions using invariants and state equation in 290 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1652 ms. Remains : 240/240 places, 272/272 transitions.
Support contains 61 out of 240 places after structural reductions.
[2023-03-20 07:31:02] [INFO ] Flatten gal took : 109 ms
[2023-03-20 07:31:02] [INFO ] Flatten gal took : 56 ms
[2023-03-20 07:31:02] [INFO ] Input system was already deterministic with 272 transitions.
Support contains 57 out of 240 places (down from 61) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 704 ms. (steps per millisecond=14 ) properties (out of 33) seen :30
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-20 07:31:03] [INFO ] Invariant cache hit.
[2023-03-20 07:31:04] [INFO ] [Real]Absence check using 96 positive place invariants in 35 ms returned sat
[2023-03-20 07:31:04] [INFO ] [Real]Absence check using 96 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-20 07:31:04] [INFO ] After 154ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 13 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA SquareGrid-PT-040204-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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&&(!p0 U (p1||G(!p0)))))))'
Support contains 3 out of 240 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 39 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:04] [INFO ] Invariant cache hit.
[2023-03-20 07:31:04] [INFO ] Implicit Places using invariants in 297 ms returned []
[2023-03-20 07:31:04] [INFO ] Invariant cache hit.
[2023-03-20 07:31:05] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 751 ms to find 0 implicit places.
[2023-03-20 07:31:05] [INFO ] Redundant transitions in 29 ms returned []
[2023-03-20 07:31:05] [INFO ] Invariant cache hit.
[2023-03-20 07:31:05] [INFO ] Dead Transitions using invariants and state equation in 257 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1087 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 221 ms :[p0]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (LEQ s167 s201) (LEQ 1 s207))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 22903 steps with 4 reset in 412 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-01 finished in 1809 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 4 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 16 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:06] [INFO ] Invariant cache hit.
[2023-03-20 07:31:06] [INFO ] Implicit Places using invariants in 339 ms returned []
[2023-03-20 07:31:06] [INFO ] Invariant cache hit.
[2023-03-20 07:31:07] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 866 ms to find 0 implicit places.
[2023-03-20 07:31:07] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-20 07:31:07] [INFO ] Invariant cache hit.
[2023-03-20 07:31:07] [INFO ] Dead Transitions using invariants and state equation in 314 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1211 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-02 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 (GT s121 s40) (GT s147 s53))], 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 1308 reset in 1967 ms.
Product exploration explored 100000 steps with 1311 reset in 1769 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 145 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Finished random walk after 33 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=16 )
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 160 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Support contains 4 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 13 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:11] [INFO ] Invariant cache hit.
[2023-03-20 07:31:12] [INFO ] Implicit Places using invariants in 229 ms returned []
[2023-03-20 07:31:12] [INFO ] Invariant cache hit.
[2023-03-20 07:31:12] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 587 ms to find 0 implicit places.
[2023-03-20 07:31:12] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-20 07:31:12] [INFO ] Invariant cache hit.
[2023-03-20 07:31:12] [INFO ] Dead Transitions using invariants and state equation in 355 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 966 ms. Remains : 240/240 places, 272/272 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 171 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Finished random walk after 27 steps, including 0 resets, run visited all 1 properties in 8 ms. (steps per millisecond=3 )
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 194 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1346 reset in 1488 ms.
Product exploration explored 100000 steps with 1322 reset in 1593 ms.
Built C files in :
/tmp/ltsmin12545770996536616726
[2023-03-20 07:31:16] [INFO ] Computing symmetric may disable matrix : 272 transitions.
[2023-03-20 07:31:16] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-20 07:31:16] [INFO ] Computing symmetric may enable matrix : 272 transitions.
[2023-03-20 07:31:16] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-20 07:31:16] [INFO ] Computing Do-Not-Accords matrix : 272 transitions.
[2023-03-20 07:31:16] [INFO ] Computation of Completed DNA matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-20 07:31:16] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12545770996536616726
Running compilation step : cd /tmp/ltsmin12545770996536616726;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1016 ms.
Running link step : cd /tmp/ltsmin12545770996536616726;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin12545770996536616726;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased487741151628430814.hoa' '--buchi-type=spotba'
LTSmin run took 3487 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SquareGrid-PT-040204-LTLCardinality-02 finished in 15154 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 7 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:21] [INFO ] Invariant cache hit.
[2023-03-20 07:31:21] [INFO ] Implicit Places using invariants in 339 ms returned []
[2023-03-20 07:31:21] [INFO ] Invariant cache hit.
[2023-03-20 07:31:22] [INFO ] Implicit Places using invariants and state equation in 504 ms returned []
Implicit Place search using SMT with State Equation took 852 ms to find 0 implicit places.
[2023-03-20 07:31:22] [INFO ] Invariant cache hit.
[2023-03-20 07:31:22] [INFO ] Dead Transitions using invariants and state equation in 245 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1105 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s169 s22)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-04 finished in 1218 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))))'
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:22] [INFO ] Invariant cache hit.
[2023-03-20 07:31:22] [INFO ] Implicit Places using invariants in 243 ms returned []
[2023-03-20 07:31:22] [INFO ] Invariant cache hit.
[2023-03-20 07:31:23] [INFO ] Implicit Places using invariants and state equation in 368 ms returned []
Implicit Place search using SMT with State Equation took 621 ms to find 0 implicit places.
[2023-03-20 07:31:23] [INFO ] Invariant cache hit.
[2023-03-20 07:31:23] [INFO ] Dead Transitions using invariants and state equation in 380 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1007 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GT s189 s96)], 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 831 steps with 0 reset in 23 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-05 finished in 1177 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||G(p1)) U G(p0)))'
Support contains 5 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 10 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:23] [INFO ] Invariant cache hit.
[2023-03-20 07:31:24] [INFO ] Implicit Places using invariants in 338 ms returned []
[2023-03-20 07:31:24] [INFO ] Invariant cache hit.
[2023-03-20 07:31:24] [INFO ] Implicit Places using invariants and state equation in 421 ms returned []
Implicit Place search using SMT with State Equation took 765 ms to find 0 implicit places.
[2023-03-20 07:31:24] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-20 07:31:24] [INFO ] Invariant cache hit.
[2023-03-20 07:31:24] [INFO ] Dead Transitions using invariants and state equation in 297 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1085 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), true, (AND p0 (NOT p1))]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ s32 s84), p1:(OR (LEQ 2 s140) (LEQ s13 s59))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Entered a terminal (fully accepting) state of product in 115 steps with 20 reset in 2 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-06 finished in 1239 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)||X(G(p1))))'
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:25] [INFO ] Invariant cache hit.
[2023-03-20 07:31:25] [INFO ] Implicit Places using invariants in 250 ms returned []
[2023-03-20 07:31:25] [INFO ] Invariant cache hit.
[2023-03-20 07:31:25] [INFO ] Implicit Places using invariants and state equation in 545 ms returned []
Implicit Place search using SMT with State Equation took 797 ms to find 0 implicit places.
[2023-03-20 07:31:25] [INFO ] Invariant cache hit.
[2023-03-20 07:31:26] [INFO ] Dead Transitions using invariants and state equation in 231 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1033 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 173 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=1, aps=[p0:(LEQ 1 s192), p1:(LEQ 1 s215)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1800 steps with 0 reset in 27 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-08 finished in 1251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0||X(p1)) U p2)))'
Support contains 7 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:26] [INFO ] Invariant cache hit.
[2023-03-20 07:31:26] [INFO ] Implicit Places using invariants in 229 ms returned []
[2023-03-20 07:31:26] [INFO ] Invariant cache hit.
[2023-03-20 07:31:26] [INFO ] Implicit Places using invariants and state equation in 400 ms returned []
Implicit Place search using SMT with State Equation took 654 ms to find 0 implicit places.
[2023-03-20 07:31:26] [INFO ] Invariant cache hit.
[2023-03-20 07:31:27] [INFO ] Dead Transitions using invariants and state equation in 265 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 924 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 165 ms :[(NOT p2), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p2) p0 p1), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p2:(AND (GT s67 s207) (GT s223 s181)), p0:(AND (LEQ s67 s207) (LEQ 2 s226)), p1:(LEQ s110 s132)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 153 steps with 0 reset in 3 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-09 finished in 1110 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&&X(F(p1))))))'
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:27] [INFO ] Invariant cache hit.
[2023-03-20 07:31:27] [INFO ] Implicit Places using invariants in 346 ms returned []
[2023-03-20 07:31:27] [INFO ] Invariant cache hit.
[2023-03-20 07:31:28] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 777 ms to find 0 implicit places.
[2023-03-20 07:31:28] [INFO ] Invariant cache hit.
[2023-03-20 07:31:28] [INFO ] Dead Transitions using invariants and state equation in 282 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1066 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(LEQ 3 s198), p0:(LEQ 1 s138)], 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]]
Stuttering criterion allowed to conclude after 6038 steps with 5 reset in 75 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-11 finished in 1307 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&F(G((p1||X(p2)))))))'
Support contains 5 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:28] [INFO ] Invariant cache hit.
[2023-03-20 07:31:29] [INFO ] Implicit Places using invariants in 330 ms returned []
[2023-03-20 07:31:29] [INFO ] Invariant cache hit.
[2023-03-20 07:31:29] [INFO ] Implicit Places using invariants and state equation in 427 ms returned []
Implicit Place search using SMT with State Equation took 759 ms to find 0 implicit places.
[2023-03-20 07:31:29] [INFO ] Invariant cache hit.
[2023-03-20 07:31:29] [INFO ] Dead Transitions using invariants and state equation in 356 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1119 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 4}], [{ cond=(NOT p2), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(GT s45 s182), p1:(LEQ 1 s114), p2:(LEQ s89 s86)], 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-12 finished in 1358 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((F(G((X(p0) U p1)))&&X(p2))))'
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:30] [INFO ] Invariant cache hit.
[2023-03-20 07:31:30] [INFO ] Implicit Places using invariants in 215 ms returned []
[2023-03-20 07:31:30] [INFO ] Invariant cache hit.
[2023-03-20 07:31:30] [INFO ] Implicit Places using invariants and state equation in 486 ms returned []
Implicit Place search using SMT with State Equation took 703 ms to find 0 implicit places.
[2023-03-20 07:31:30] [INFO ] Invariant cache hit.
[2023-03-20 07:31:31] [INFO ] Dead Transitions using invariants and state equation in 233 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 938 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}, { cond=(NOT p2), acceptance={} source=1 dest: 3}, { cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 2}, { cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(LEQ s211 s95), p1:(AND (LEQ s50 s187) (LEQ s151 s227)), p0:(OR (LEQ s151 s227) (LEQ s211 s95))], 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 115 reset in 1571 ms.
Product exploration explored 100000 steps with 111 reset in 1377 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X p1), true, (X (X (NOT p2))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 317 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Finished random walk after 788 steps, including 0 resets, run visited all 3 properties in 31 ms. (steps per millisecond=25 )
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X p1), true, (X (X (NOT p2))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F p2)]
Knowledge based reduction with 7 factoid took 372 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
[2023-03-20 07:31:35] [INFO ] Invariant cache hit.
[2023-03-20 07:31:35] [INFO ] [Real]Absence check using 96 positive place invariants in 59 ms returned sat
[2023-03-20 07:31:35] [INFO ] [Real]Absence check using 96 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-20 07:31:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 07:31:36] [INFO ] [Real]Absence check using state equation in 324 ms returned sat
[2023-03-20 07:31:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 07:31:36] [INFO ] [Nat]Absence check using 96 positive place invariants in 51 ms returned sat
[2023-03-20 07:31:36] [INFO ] [Nat]Absence check using 96 positive and 1 generalized place invariants in 10 ms returned sat
[2023-03-20 07:31:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 07:31:36] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
[2023-03-20 07:31:36] [INFO ] Computed and/alt/rep : 208/208/208 causal constraints (skipped 0 transitions) in 18 ms.
[2023-03-20 07:31:37] [INFO ] Added : 78 causal constraints over 16 iterations in 561 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:37] [INFO ] Invariant cache hit.
[2023-03-20 07:31:37] [INFO ] Implicit Places using invariants in 247 ms returned []
[2023-03-20 07:31:37] [INFO ] Invariant cache hit.
[2023-03-20 07:31:37] [INFO ] Implicit Places using invariants and state equation in 412 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
[2023-03-20 07:31:37] [INFO ] Invariant cache hit.
[2023-03-20 07:31:38] [INFO ] Dead Transitions using invariants and state equation in 198 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 864 ms. Remains : 240/240 places, 272/272 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), true, (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 175 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 190 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Finished random walk after 1149 steps, including 0 resets, run visited all 3 properties in 37 ms. (steps per millisecond=31 )
Knowledge obtained : [(AND p1 (NOT p2) p0), true, (X (X (NOT p2))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F p2)]
Knowledge based reduction with 4 factoid took 238 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 202 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
[2023-03-20 07:31:39] [INFO ] Invariant cache hit.
[2023-03-20 07:31:39] [INFO ] [Real]Absence check using 96 positive place invariants in 55 ms returned sat
[2023-03-20 07:31:39] [INFO ] [Real]Absence check using 96 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-20 07:31:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 07:31:39] [INFO ] [Real]Absence check using state equation in 328 ms returned sat
[2023-03-20 07:31:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 07:31:40] [INFO ] [Nat]Absence check using 96 positive place invariants in 49 ms returned sat
[2023-03-20 07:31:40] [INFO ] [Nat]Absence check using 96 positive and 1 generalized place invariants in 9 ms returned sat
[2023-03-20 07:31:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 07:31:40] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2023-03-20 07:31:40] [INFO ] Computed and/alt/rep : 208/208/208 causal constraints (skipped 0 transitions) in 19 ms.
[2023-03-20 07:31:40] [INFO ] Added : 78 causal constraints over 16 iterations in 400 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Product exploration explored 100000 steps with 165 reset in 1343 ms.
Product exploration explored 100000 steps with 133 reset in 1398 ms.
Applying partial POR strategy [false, false, false, true, false]
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p1)]
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 29 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:44] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 07:31:44] [INFO ] Invariant cache hit.
[2023-03-20 07:31:44] [INFO ] Dead Transitions using invariants and state equation in 237 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 276 ms. Remains : 240/240 places, 272/272 transitions.
Built C files in :
/tmp/ltsmin13406467858522112122
[2023-03-20 07:31:44] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13406467858522112122
Running compilation step : cd /tmp/ltsmin13406467858522112122;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 698 ms.
Running link step : cd /tmp/ltsmin13406467858522112122;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin13406467858522112122;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased14127823967416565177.hoa' '--buchi-type=spotba'
LTSmin run took 1182 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SquareGrid-PT-040204-LTLCardinality-13 finished in 16380 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||G((!p0&&F(p1)))||F(p2)))))'
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:46] [INFO ] Invariant cache hit.
[2023-03-20 07:31:46] [INFO ] Implicit Places using invariants in 247 ms returned []
[2023-03-20 07:31:46] [INFO ] Invariant cache hit.
[2023-03-20 07:31:47] [INFO ] Implicit Places using invariants and state equation in 433 ms returned []
Implicit Place search using SMT with State Equation took 682 ms to find 0 implicit places.
[2023-03-20 07:31:47] [INFO ] Invariant cache hit.
[2023-03-20 07:31:47] [INFO ] Dead Transitions using invariants and state equation in 295 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 983 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ s8 s127), p2:(LEQ s103 s112), p1:(GT s90 s85)], 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 189 reset in 1746 ms.
Product exploration explored 100000 steps with 210 reset in 1484 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), true]
False Knowledge obtained : [(X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2)))))]
Knowledge based reduction with 4 factoid took 352 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Finished random walk after 1010 steps, including 0 resets, run visited all 5 properties in 31 ms. (steps per millisecond=32 )
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), true]
False Knowledge obtained : [(X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p0) (NOT p2))), (F (AND p0 (NOT p2))), (F (AND (NOT p0) (NOT p2) (NOT p1)))]
Knowledge based reduction with 4 factoid took 617 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 222 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:52] [INFO ] Invariant cache hit.
[2023-03-20 07:31:52] [INFO ] Implicit Places using invariants in 420 ms returned []
[2023-03-20 07:31:52] [INFO ] Invariant cache hit.
[2023-03-20 07:31:53] [INFO ] Implicit Places using invariants and state equation in 465 ms returned []
Implicit Place search using SMT with State Equation took 890 ms to find 0 implicit places.
[2023-03-20 07:31:53] [INFO ] Invariant cache hit.
[2023-03-20 07:31:53] [INFO ] Dead Transitions using invariants and state equation in 224 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1118 ms. Remains : 240/240 places, 272/272 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), true]
False Knowledge obtained : [(X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2)))))]
Knowledge based reduction with 4 factoid took 359 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Finished random walk after 213 steps, including 0 resets, run visited all 5 properties in 8 ms. (steps per millisecond=26 )
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), true]
False Knowledge obtained : [(X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (F (NOT p2)), (F (AND (NOT p2) (NOT p1))), (F (AND (NOT p0) (NOT p2))), (F (AND p0 (NOT p2))), (F (AND (NOT p0) (NOT p2) (NOT p1)))]
Knowledge based reduction with 4 factoid took 597 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 195 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 184 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Product exploration explored 100000 steps with 191 reset in 1368 ms.
Product exploration explored 100000 steps with 183 reset in 1478 ms.
Applying partial POR strategy [false, true, true, true, true]
Stuttering acceptance computed with spot in 190 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) p0), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 10 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:31:58] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 07:31:58] [INFO ] Invariant cache hit.
[2023-03-20 07:31:58] [INFO ] Dead Transitions using invariants and state equation in 222 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 240 ms. Remains : 240/240 places, 272/272 transitions.
Built C files in :
/tmp/ltsmin16689051305902543555
[2023-03-20 07:31:58] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16689051305902543555
Running compilation step : cd /tmp/ltsmin16689051305902543555;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 652 ms.
Running link step : cd /tmp/ltsmin16689051305902543555;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 28 ms.
Running LTSmin : cd /tmp/ltsmin16689051305902543555;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased1774715069465442613.hoa' '--buchi-type=spotba'
LTSmin run took 4746 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-14 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SquareGrid-PT-040204-LTLCardinality-14 finished in 17835 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 1 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 272/272 transitions.
Applied a total of 0 rules in 7 ms. Remains 240 /240 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2023-03-20 07:32:04] [INFO ] Invariant cache hit.
[2023-03-20 07:32:04] [INFO ] Implicit Places using invariants in 254 ms returned []
[2023-03-20 07:32:04] [INFO ] Invariant cache hit.
[2023-03-20 07:32:04] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 708 ms to find 0 implicit places.
[2023-03-20 07:32:04] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 07:32:04] [INFO ] Invariant cache hit.
[2023-03-20 07:32:05] [INFO ] Dead Transitions using invariants and state equation in 240 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 965 ms. Remains : 240/240 places, 272/272 transitions.
Stuttering acceptance computed with spot in 151 ms :[(NOT p0)]
Running random walk in product with property : SquareGrid-PT-040204-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT 1 s76)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 4759 steps with 0 reset in 49 ms.
FORMULA SquareGrid-PT-040204-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SquareGrid-PT-040204-LTLCardinality-15 finished in 1186 ms.
All properties solved by simple procedures.
Total runtime 65231 ms.
BK_STOP 1679297526492
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="SquareGrid-PT-040204"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is SquareGrid-PT-040204, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r453-smll-167912645300363"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SquareGrid-PT-040204.tgz
mv SquareGrid-PT-040204 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;