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.r233-tall-167856418500163.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is JoinFreeModules-PT-0010, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418500163
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 5.6K Feb 25 11:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Feb 25 11:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 11:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 11:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 25 11:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 11:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 25 11:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 31K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-00
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-01
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-02
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-03
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-04
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-05
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-06
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-07
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-08
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-09
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-10
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-11
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-12
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-13
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-14
FORMULA_NAME JoinFreeModules-PT-0010-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679453912997

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0010
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 02:58:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 02:58:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 02:58:34] [INFO ] Load time of PNML (sax parser for PT used): 38 ms
[2023-03-22 02:58:34] [INFO ] Transformed 51 places.
[2023-03-22 02:58:34] [INFO ] Transformed 81 transitions.
[2023-03-22 02:58:34] [INFO ] Parsed PT model containing 51 places and 81 transitions and 232 arcs in 107 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0010-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0010-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0010-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0010-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 15 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
// Phase 1: matrix 81 rows 50 cols
[2023-03-22 02:58:35] [INFO ] Computed 10 place invariants in 8 ms
[2023-03-22 02:58:35] [INFO ] Dead Transitions using invariants and state equation in 167 ms found 0 transitions.
[2023-03-22 02:58:35] [INFO ] Invariant cache hit.
[2023-03-22 02:58:35] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-22 02:58:35] [INFO ] Invariant cache hit.
[2023-03-22 02:58:35] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:35] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2023-03-22 02:58:35] [INFO ] Invariant cache hit.
[2023-03-22 02:58:35] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 347 ms. Remains : 50/50 places, 81/81 transitions.
Support contains 30 out of 50 places after structural reductions.
[2023-03-22 02:58:35] [INFO ] Flatten gal took : 24 ms
[2023-03-22 02:58:35] [INFO ] Flatten gal took : 9 ms
[2023-03-22 02:58:35] [INFO ] Input system was already deterministic with 81 transitions.
Finished random walk after 515 steps, including 0 resets, run visited all 26 properties in 42 ms. (steps per millisecond=12 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)||(p2&&X(p3))))))'
Support contains 5 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:36] [INFO ] Invariant cache hit.
[2023-03-22 02:58:36] [INFO ] Dead Transitions using invariants and state equation in 70 ms found 0 transitions.
[2023-03-22 02:58:36] [INFO ] Invariant cache hit.
[2023-03-22 02:58:36] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-22 02:58:36] [INFO ] Invariant cache hit.
[2023-03-22 02:58:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:36] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2023-03-22 02:58:36] [INFO ] Invariant cache hit.
[2023-03-22 02:58:36] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 210 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 284 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=0 dest: 2}], [{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 p2 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={0} source=1 dest: 2}], [{ cond=(AND p1 (NOT p2) (NOT p0) (NOT p3)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), acceptance={0} source=2 dest: 1}, { cond=(AND p1 p2 (NOT p0) (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) p2 (NOT p0) (NOT p3)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(GT 3 s22), p2:(LEQ 2 s4), p0:(LEQ 1 s26), p3:(GT s40 s18)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 87471 steps with 133 reset in 457 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-00 finished in 1019 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(F(p1)))))'
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 11 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:36] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-22 02:58:37] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 189 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 59 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s22 s29), p1:(LEQ 2 s24)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-01 finished in 271 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 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 3 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 181 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-02 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:(AND (GT s28 s11) (GT 2 s38))], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-02 finished in 346 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(F(p1))||G(p2))))'
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:37] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-22 02:58:37] [INFO ] Invariant cache hit.
[2023-03-22 02:58:37] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 163 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 166 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p2), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p2 (NOT p1)), acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(GT 2 s43), p0:(LEQ 3 s14), p2:(LEQ s18 s14)], 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 31879 reset in 257 ms.
Stack based approach found an accepted trace after 3575 steps with 1132 reset with depth 180 and stack size 180 in 11 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-03 finished in 615 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U G(p1)))'
Support contains 2 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:38] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 170 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 3}, { cond=(AND p1 p0), acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(OR (LEQ 2 s48) (GT 3 s41)), p0:(LEQ 2 s48)], 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 431 steps with 109 reset in 4 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-05 finished in 374 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X(X((p1||(F(p2)&&G(F(!p0)))))))))'
Support contains 5 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:38] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2023-03-22 02:58:38] [INFO ] Invariant cache hit.
[2023-03-22 02:58:38] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 107 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(GT s39 s21), p1:(LEQ s13 s32), p2:(LEQ s13 s49)], 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 33333 reset in 183 ms.
Product exploration explored 100000 steps with 33333 reset in 239 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 p0) p1 p2), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))))
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 3 states, 3 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA JoinFreeModules-PT-0010-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-09 finished in 800 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(!p1)&&G(p2))))'
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:39] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 170 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 161 ms :[(NOT p2), (OR (NOT p2) p1), (OR (NOT p2) (NOT p0) p1), (OR (NOT p2) (NOT p0) p1), true]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 4}], [{ cond=(AND (NOT p1) p2), acceptance={0} source=1 dest: 0}, { cond=(AND p1 p2), acceptance={0} source=1 dest: 1}, { cond=(NOT p2), acceptance={0} source=1 dest: 4}], [{ cond=(AND p0 (NOT p1) p2), acceptance={} source=2 dest: 0}, { cond=(AND p0 p1 p2), acceptance={} source=2 dest: 1}, { cond=(OR (NOT p0) (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=3, aps=[p2:(LEQ 1 s17), p1:(LEQ 2 s4), p0:(GT s4 s24)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-10 finished in 349 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||(p1&&G(F(p2))))))'
Support contains 5 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 7 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:39] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2023-03-22 02:58:39] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:58:39] [INFO ] Invariant cache hit.
[2023-03-22 02:58:39] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 181 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 160 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(GT 1 s6), p0:(LEQ s9 s23), p2:(GT s13 s43)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 172 steps with 0 reset in 2 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-11 finished in 363 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 5 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2023-03-22 02:58:40] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 204 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ s17 s8)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-12 finished in 251 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)&&X(G(p2)))))))'
Support contains 4 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 7 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2023-03-22 02:58:40] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 178 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-14 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=p1, acceptance={} source=0 dest: 3}, { cond=p1, acceptance={} source=0 dest: 4}], [{ cond=(NOT p0), acceptance={0, 1} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0, 1} source=2 dest: 2}, { cond=p1, acceptance={1} source=2 dest: 3}, { cond=p1, acceptance={0, 1} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0, 1} source=3 dest: 2}, { cond=p1, acceptance={1} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0, 1} source=4 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={1} source=4 dest: 3}, { cond=p2, acceptance={0} source=4 dest: 4}, { cond=(AND p1 (NOT p2)), acceptance={0, 1} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ 3 s10), p1:(LEQ s0 s3), p2:(AND (LEQ 3 s10) (LEQ 3 s6))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-14 finished in 433 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 81/81 transitions.
Applied a total of 0 rules in 6 ms. Remains 50 /50 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 02:58:40] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-22 02:58:40] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 02:58:40] [INFO ] Invariant cache hit.
[2023-03-22 02:58:40] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 166 ms. Remains : 50/50 places, 81/81 transitions.
Stuttering acceptance computed with spot in 152 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : JoinFreeModules-PT-0010-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (LEQ 2 s1) (LEQ s36 s46)), p1:(LEQ s36 s46)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0010-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0010-LTLCardinality-15 finished in 340 ms.
All properties solved by simple procedures.
Total runtime 6570 ms.
ITS solved all properties within timeout

BK_STOP 1679453922047

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML

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="JoinFreeModules-PT-0010"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is JoinFreeModules-PT-0010, 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 r233-tall-167856418500163"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0010.tgz
mv JoinFreeModules-PT-0010 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;