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.r101-tall-167814475300422.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 itstools
Input is DES-PT-10b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r101-tall-167814475300422
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 6.9K Feb 26 15:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 26 15:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 26 15:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 26 15:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 25 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 15:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Feb 26 15:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Feb 26 15:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Feb 26 15:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 79K 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 DES-PT-10b-ReachabilityCardinality-00
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-01
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-02
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-03
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-04
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-05
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-06
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-07
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-08
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-09
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-10
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-11
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-12
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-13
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-14
FORMULA_NAME DES-PT-10b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678266584994

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-10b
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-08 09:09:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-08 09:09:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 09:09:46] [INFO ] Load time of PNML (sax parser for PT used): 59 ms
[2023-03-08 09:09:46] [INFO ] Transformed 320 places.
[2023-03-08 09:09:46] [INFO ] Transformed 271 transitions.
[2023-03-08 09:09:46] [INFO ] Found NUPN structural information;
[2023-03-08 09:09:46] [INFO ] Parsed PT model containing 320 places and 271 transitions and 827 arcs in 132 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA DES-PT-10b-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-10b-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-10b-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-10b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 85 resets, run finished after 349 ms. (steps per millisecond=28 ) properties (out of 12) seen :8
FORMULA DES-PT-10b-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10b-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 271 rows 320 cols
[2023-03-08 09:09:47] [INFO ] Computed 65 place invariants in 42 ms
[2023-03-08 09:09:47] [INFO ] Flatten gal took : 81 ms
[2023-03-08 09:09:47] [INFO ] Flatten gal took : 30 ms
[2023-03-08 09:09:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17138946286670893573.gal : 15 ms
[2023-03-08 09:09:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5472080205045871572.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17138946286670893573.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5472080205045871572.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5472080205045871572.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :13 after 15
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :15 after 19
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :19 after 89
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :89 after 227
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :227 after 3799
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :3799 after 81955
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :81955 after 244663
[2023-03-08 09:09:47] [INFO ] After 456ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 09:09:48] [INFO ] [Nat]Absence check using 39 positive place invariants in 67 ms returned sat
[2023-03-08 09:09:48] [INFO ] [Nat]Absence check using 39 positive and 26 generalized place invariants in 23 ms returned sat
[2023-03-08 09:09:48] [INFO ] After 746ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-08 09:09:49] [INFO ] Deduced a trap composed of 13 places in 116 ms of which 4 ms to minimize.
[2023-03-08 09:09:49] [INFO ] Deduced a trap composed of 14 places in 111 ms of which 1 ms to minimize.
[2023-03-08 09:09:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 346 ms
[2023-03-08 09:09:49] [INFO ] Deduced a trap composed of 12 places in 76 ms of which 1 ms to minimize.
[2023-03-08 09:09:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 151 ms
[2023-03-08 09:09:49] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 1 ms to minimize.
[2023-03-08 09:09:49] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 0 ms to minimize.
[2023-03-08 09:09:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 195 ms
[2023-03-08 09:09:50] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 0 ms to minimize.
[2023-03-08 09:09:50] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 0 ms to minimize.
[2023-03-08 09:09:50] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
[2023-03-08 09:09:50] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
[2023-03-08 09:09:50] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 1 ms to minimize.
[2023-03-08 09:09:50] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 381 ms
[2023-03-08 09:09:50] [INFO ] After 2197ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 547 ms.
[2023-03-08 09:09:50] [INFO ] After 3220ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
FORMULA DES-PT-10b-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 65 ms.
Support contains 65 out of 320 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 320/320 places, 271/271 transitions.
Graph (complete) has 621 edges and 320 vertex of which 316 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.5 ms
Discarding 4 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 316 transition count 266
Reduce places removed 3 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 8 rules applied. Total rules applied 12 place count 313 transition count 261
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 17 place count 308 transition count 261
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 17 place count 308 transition count 255
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 29 place count 302 transition count 255
Discarding 16 places :
Symmetric choice reduction at 3 with 16 rule applications. Total rules 45 place count 286 transition count 239
Iterating global reduction 3 with 16 rules applied. Total rules applied 61 place count 286 transition count 239
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 70 place count 277 transition count 230
Iterating global reduction 3 with 9 rules applied. Total rules applied 79 place count 277 transition count 230
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 9 rules applied. Total rules applied 88 place count 277 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 89 place count 276 transition count 221
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 5 with 94 rules applied. Total rules applied 183 place count 229 transition count 174
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 184 place count 229 transition count 173
Free-agglomeration rule applied 6 times.
Iterating global reduction 5 with 6 rules applied. Total rules applied 190 place count 229 transition count 167
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 196 place count 223 transition count 167
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 197 place count 223 transition count 166
Applied a total of 197 rules in 129 ms. Remains 223 /320 variables (removed 97) and now considering 166/271 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 223/320 places, 166/271 transitions.
Incomplete random walk after 10000 steps, including 142 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 3) seen :1
FORMULA DES-PT-10b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 166 rows 223 cols
[2023-03-08 09:09:51] [INFO ] Computed 63 place invariants in 10 ms
[2023-03-08 09:09:51] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-08 09:09:51] [INFO ] [Nat]Absence check using 33 positive place invariants in 5 ms returned sat
[2023-03-08 09:09:51] [INFO ] [Nat]Absence check using 33 positive and 30 generalized place invariants in 10 ms returned sat
[2023-03-08 09:09:51] [INFO ] After 129ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 09:09:51] [INFO ] After 67ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:51] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 1 ms to minimize.
[2023-03-08 09:09:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2023-03-08 09:09:51] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 0 ms to minimize.
[2023-03-08 09:09:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
[2023-03-08 09:09:51] [INFO ] After 283ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 73 ms.
[2023-03-08 09:09:52] [INFO ] After 581ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 14 ms.
Support contains 50 out of 223 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 223/223 places, 166/166 transitions.
Graph (complete) has 523 edges and 223 vertex of which 218 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 218 transition count 161
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 214 transition count 161
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 9 place count 214 transition count 160
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 213 transition count 160
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 23 place count 207 transition count 154
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 24 place count 207 transition count 153
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 26 place count 206 transition count 152
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 206 transition count 152
Applied a total of 28 rules in 27 ms. Remains 206 /223 variables (removed 17) and now considering 152/166 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 206/223 places, 152/166 transitions.
Incomplete random walk after 10000 steps, including 163 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 1109403 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :{}
Probabilistic random walk after 1109403 steps, saw 168401 distinct states, run finished after 3002 ms. (steps per millisecond=369 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 152 rows 206 cols
[2023-03-08 09:09:55] [INFO ] Computed 59 place invariants in 5 ms
[2023-03-08 09:09:55] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-08 09:09:55] [INFO ] [Nat]Absence check using 33 positive place invariants in 5 ms returned sat
[2023-03-08 09:09:55] [INFO ] [Nat]Absence check using 33 positive and 26 generalized place invariants in 8 ms returned sat
[2023-03-08 09:09:55] [INFO ] After 135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 09:09:55] [INFO ] After 90ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:55] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 0 ms to minimize.
[2023-03-08 09:09:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2023-03-08 09:09:55] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 0 ms to minimize.
[2023-03-08 09:09:55] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 1 ms to minimize.
[2023-03-08 09:09:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2023-03-08 09:09:55] [INFO ] After 373ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 70 ms.
[2023-03-08 09:09:55] [INFO ] After 659ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 10 ms.
Support contains 50 out of 206 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 152/152 transitions.
Applied a total of 0 rules in 6 ms. Remains 206 /206 variables (removed 0) and now considering 152/152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 206/206 places, 152/152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 206/206 places, 152/152 transitions.
Applied a total of 0 rules in 5 ms. Remains 206 /206 variables (removed 0) and now considering 152/152 (removed 0) transitions.
[2023-03-08 09:09:55] [INFO ] Invariant cache hit.
[2023-03-08 09:09:56] [INFO ] Implicit Places using invariants in 100 ms returned [62]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 102 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 205/206 places, 152/152 transitions.
Applied a total of 0 rules in 5 ms. Remains 205 /205 variables (removed 0) and now considering 152/152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 112 ms. Remains : 205/206 places, 152/152 transitions.
Incomplete random walk after 10000 steps, including 181 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 1115556 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :{}
Probabilistic random walk after 1115556 steps, saw 169317 distinct states, run finished after 3001 ms. (steps per millisecond=371 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 152 rows 205 cols
[2023-03-08 09:09:59] [INFO ] Computed 58 place invariants in 5 ms
[2023-03-08 09:09:59] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-08 09:09:59] [INFO ] [Nat]Absence check using 32 positive place invariants in 5 ms returned sat
[2023-03-08 09:09:59] [INFO ] [Nat]Absence check using 32 positive and 26 generalized place invariants in 8 ms returned sat
[2023-03-08 09:09:59] [INFO ] After 152ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 09:09:59] [INFO ] After 79ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-08 09:09:59] [INFO ] After 175ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 75 ms.
[2023-03-08 09:09:59] [INFO ] After 505ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 11 ms.
Support contains 50 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 152/152 transitions.
Applied a total of 0 rules in 5 ms. Remains 205 /205 variables (removed 0) and now considering 152/152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 205/205 places, 152/152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 152/152 transitions.
Applied a total of 0 rules in 5 ms. Remains 205 /205 variables (removed 0) and now considering 152/152 (removed 0) transitions.
[2023-03-08 09:09:59] [INFO ] Invariant cache hit.
[2023-03-08 09:09:59] [INFO ] Implicit Places using invariants in 96 ms returned []
[2023-03-08 09:09:59] [INFO ] Invariant cache hit.
[2023-03-08 09:09:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 09:10:00] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2023-03-08 09:10:00] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-08 09:10:00] [INFO ] Invariant cache hit.
[2023-03-08 09:10:00] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 395 ms. Remains : 205/205 places, 152/152 transitions.
Applied a total of 0 rules in 4 ms. Remains 205 /205 variables (removed 0) and now considering 152/152 (removed 0) transitions.
Running SMT prover for 2 properties.
[2023-03-08 09:10:00] [INFO ] Invariant cache hit.
[2023-03-08 09:10:00] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-08 09:10:00] [INFO ] [Nat]Absence check using 32 positive place invariants in 5 ms returned sat
[2023-03-08 09:10:00] [INFO ] [Nat]Absence check using 32 positive and 26 generalized place invariants in 8 ms returned sat
[2023-03-08 09:10:00] [INFO ] After 173ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-08 09:10:00] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 0 ms to minimize.
[2023-03-08 09:10:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2023-03-08 09:10:00] [INFO ] After 291ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 82 ms.
[2023-03-08 09:10:00] [INFO ] After 444ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-08 09:10:00] [INFO ] Flatten gal took : 12 ms
[2023-03-08 09:10:00] [INFO ] Flatten gal took : 12 ms
[2023-03-08 09:10:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14068296909500061083.gal : 3 ms
[2023-03-08 09:10:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5758265835432638522.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14068296909500061083.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5758265835432638522.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5758265835432638522.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :9 after 20
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :20 after 59
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :59 after 657
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :657 after 3371
Invariant property DES-PT-10b-ReachabilityCardinality-13 does not hold.
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :244663 after 1.654e+08
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3371 after 68226
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :68226 after 116103
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1.654e+08 after 3.34019e+08
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :3.34019e+08 after 5.1629e+08
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :116103 after 1.11464e+07
Detected timeout of ITS tools.
[2023-03-08 09:10:15] [INFO ] Flatten gal took : 10 ms
[2023-03-08 09:10:15] [INFO ] Applying decomposition
[2023-03-08 09:10:15] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph7457651675985681126.txt' '-o' '/tmp/graph7457651675985681126.bin' '-w' '/tmp/graph7457651675985681126.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph7457651675985681126.bin' '-l' '-1' '-v' '-w' '/tmp/graph7457651675985681126.weights' '-q' '0' '-e' '0.001'
[2023-03-08 09:10:15] [INFO ] Decomposing Gal with order
[2023-03-08 09:10:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-08 09:10:15] [INFO ] Removed a total of 34 redundant transitions.
[2023-03-08 09:10:15] [INFO ] Flatten gal took : 50 ms
[2023-03-08 09:10:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 7 ms.
[2023-03-08 09:10:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13588117257206813570.gal : 207 ms
[2023-03-08 09:10:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6347457292030013726.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13588117257206813570.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6347457292030013726.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6347457292030013726.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 307
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :307 after 6179
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :8.19437e+06 after 4.98446e+07
Reachability property DES-PT-10b-ReachabilityCardinality-10 is true.
Invariant property DES-PT-10b-ReachabilityCardinality-09 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.4858e+12,0.743243,13196,1860,287,21857,959,541,30441,170,2447,0
Total reachable state count : 1485801788517

Verifying 2 reachability properties.
Invariant property DES-PT-10b-ReachabilityCardinality-09 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-10b-ReachabilityCardinality-09,2592,0.745373,13460,100,78,21857,959,548,30441,175,2447,0
Reachability property DES-PT-10b-ReachabilityCardinality-10 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-10b-ReachabilityCardinality-10,12,1.72849,13460,86,54,21857,959,762,30441,201,2447,0
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-08 09:10:17] [INFO ] Flatten gal took : 18 ms
[2023-03-08 09:10:17] [INFO ] Applying decomposition
[2023-03-08 09:10:17] [INFO ] Flatten gal took : 26 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph13478851716069944912.txt' '-o' '/tmp/graph13478851716069944912.bin' '-w' '/tmp/graph13478851716069944912.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph13478851716069944912.bin' '-l' '-1' '-v' '-w' '/tmp/graph13478851716069944912.weights' '-q' '0' '-e' '0.001'
[2023-03-08 09:10:18] [INFO ] Decomposing Gal with order
[2023-03-08 09:10:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-08 09:10:18] [INFO ] Removed a total of 32 redundant transitions.
[2023-03-08 09:10:18] [INFO ] Flatten gal took : 41 ms
[2023-03-08 09:10:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 7 ms.
[2023-03-08 09:10:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18348335063062837113.gal : 12 ms
[2023-03-08 09:10:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3705953508970164341.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18348335063062837113.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3705953508970164341.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3705953508970164341.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :5 after 1055
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1055 after 1474
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1474 after 8.92315e+06
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :8.92315e+06 after 8.87232e+10
Reachability property DES-PT-10b-ReachabilityCardinality-10 is true.
FORMULA DES-PT-10b-ReachabilityCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Invariant property DES-PT-10b-ReachabilityCardinality-09 does not hold.
FORMULA DES-PT-10b-ReachabilityCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 129 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.14658e+17,50.5294,31636,3802,269,64806,1956,730,103912,190,3497,0
Total reachable state count : 214658172780522630

Verifying 2 reachability properties.
Invariant property DES-PT-10b-ReachabilityCardinality-09 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-10b-ReachabilityCardinality-09,1.58054e+06,50.5343,31900,141,57,64806,1956,738,103912,195,3497,0
Reachability property DES-PT-10b-ReachabilityCardinality-10 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-10b-ReachabilityCardinality-10,2.58221e+12,90.7958,31900,432,171,64806,1956,964,103912,220,3497,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 122602 ms.

BK_STOP 1678266710541

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ 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 ReachabilityCardinality -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="DES-PT-10b"
export BK_EXAMINATION="ReachabilityCardinality"
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 DES-PT-10b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r101-tall-167814475300422"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-10b.tgz
mv DES-PT-10b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;