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.r275-smll-167863547400177.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 NoC3x3-PT-4B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r275-smll-167863547400177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.5K Feb 26 10:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 10:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 10:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 10:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Feb 26 10:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 10:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 26 10:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 26 10:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 608K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678862859828

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-4B
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-15 06:47:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-15 06:47:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 06:47:44] [INFO ] Load time of PNML (sax parser for PT used): 371 ms
[2023-03-15 06:47:44] [INFO ] Transformed 2328 places.
[2023-03-15 06:47:44] [INFO ] Transformed 2701 transitions.
[2023-03-15 06:47:44] [INFO ] Found NUPN structural information;
[2023-03-15 06:47:44] [INFO ] Parsed PT model containing 2328 places and 2701 transitions and 6091 arcs in 595 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2328/2328 places, 2701/2701 transitions.
Graph (trivial) has 2324 edges and 2328 vertex of which 1399 / 2328 are part of one of the 33 SCC in 20 ms
Free SCC test removed 1366 places
Ensure Unique test removed 1620 transitions
Reduce isomorphic transitions removed 1620 transitions.
Drop transitions removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 962 transition count 1048
Reduce places removed 33 places and 0 transitions.
Iterating post reduction 1 with 33 rules applied. Total rules applied 67 place count 929 transition count 1048
Performed 494 Post agglomeration using F-continuation condition.Transition count delta: 494
Deduced a syphon composed of 494 places in 3 ms
Reduce places removed 494 places and 0 transitions.
Iterating global reduction 2 with 988 rules applied. Total rules applied 1055 place count 435 transition count 554
Applied a total of 1055 rules in 223 ms. Remains 435 /2328 variables (removed 1893) and now considering 554/2701 (removed 2147) transitions.
[2023-03-15 06:47:44] [INFO ] Flow matrix only has 488 transitions (discarded 66 similar events)
// Phase 1: matrix 488 rows 435 cols
[2023-03-15 06:47:44] [INFO ] Computed 66 place invariants in 34 ms
[2023-03-15 06:47:45] [INFO ] Implicit Places using invariants in 1080 ms returned []
[2023-03-15 06:47:45] [INFO ] Flow matrix only has 488 transitions (discarded 66 similar events)
[2023-03-15 06:47:45] [INFO ] Invariant cache hit.
[2023-03-15 06:47:46] [INFO ] State equation strengthened by 39 read => feed constraints.
[2023-03-15 06:47:46] [INFO ] Implicit Places using invariants and state equation in 1361 ms returned [13, 54, 99, 142, 209, 278, 323, 368, 415]
Discarding 9 places :
Implicit Place search using SMT with State Equation took 2511 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 426/2328 places, 554/2701 transitions.
Graph (trivial) has 265 edges and 426 vertex of which 48 / 426 are part of one of the 24 SCC in 2 ms
Free SCC test removed 24 places
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Applied a total of 1 rules in 16 ms. Remains 402 /426 variables (removed 24) and now considering 506/554 (removed 48) transitions.
[2023-03-15 06:47:46] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
// Phase 1: matrix 440 rows 402 cols
[2023-03-15 06:47:46] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 06:47:47] [INFO ] Implicit Places using invariants in 534 ms returned []
[2023-03-15 06:47:47] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
[2023-03-15 06:47:47] [INFO ] Invariant cache hit.
[2023-03-15 06:47:47] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-15 06:47:48] [INFO ] Implicit Places using invariants and state equation in 1218 ms returned []
Implicit Place search using SMT with State Equation took 1756 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 402/2328 places, 506/2701 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4509 ms. Remains : 402/2328 places, 506/2701 transitions.
Discarding 184 transitions out of 506. Remains 322
Initial state reduction rules removed 1 formulas.
[2023-03-15 06:47:49] [INFO ] Flatten gal took : 127 ms
[2023-03-15 06:47:49] [INFO ] Flatten gal took : 141 ms
[2023-03-15 06:47:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15358685191123677670.gal : 109 ms
[2023-03-15 06:47:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1143422853385971940.prop : 10 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/ReachabilityCardinality15358685191123677670.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1143422853385971940.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/ReachabilityCardinality1143422853385971940.prop.
Incomplete random walk after 10000 steps, including 139 resets, run finished after 1371 ms. (steps per millisecond=7 ) properties (out of 321) seen :271
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Running SMT prover for 50 properties.
[2023-03-15 06:47:50] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
[2023-03-15 06:47:50] [INFO ] Invariant cache hit.
Reachability property qltransition_197 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_181 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_149 is true.
Reachability property qltransition_144 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_84 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_32 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_4 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,286 properties remain. new max is 2
SDD size :2 after 9
Reachability property qltransition_204 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_195 is true.
SDD proceeding with computation,282 properties remain. new max is 2
SDD size :9 after 73
Reachability property qltransition_207 is true.
Reachability property qltransition_206 is true.
Reachability property qltransition_194 is true.
SDD proceeding with computation,279 properties remain. new max is 2
SDD size :73 after 189
Reachability property qltransition_203 is true.
Reachability property qltransition_200 is true.
SDD proceeding with computation,277 properties remain. new max is 2
SDD size :189 after 337
Reachability property qltransition_210 is true.
Reachability property qltransition_209 is true.
SDD proceeding with computation,275 properties remain. new max is 2
SDD size :337 after 1801
Reachability property qltransition_212 is true.
Reachability property qltransition_211 is true.
Reachability property qltransition_205 is true.
Reachability property qltransition_201 is true.
Reachability property qltransition_196 is true.
SDD proceeding with computation,270 properties remain. new max is 2
SDD size :1801 after 2977
SDD proceeding with computation,270 properties remain. new max is 4
SDD size :2977 after 4081
SDD proceeding with computation,270 properties remain. new max is 8
SDD size :4081 after 4201
Reachability property qltransition_228 is true.
Reachability property qltransition_227 is true.
Reachability property qltransition_226 is true.
Reachability property qltransition_225 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_217 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_213 is true.
SDD proceeding with computation,261 properties remain. new max is 8
SDD size :4201 after 772801
Reachability property qltransition_237 is true.
Reachability property qltransition_236 is true.
Reachability property qltransition_235 is true.
Reachability property qltransition_232 is true.
Reachability property qltransition_231 is true.
Reachability property qltransition_230 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_214 is true.
SDD proceeding with computation,253 properties remain. new max is 8
SDD size :772801 after 1.33056e+07
Reachability property qltransition_246 is true.
Reachability property qltransition_245 is true.
Reachability property qltransition_244 is true.
Reachability property qltransition_242 is true.
Reachability property qltransition_241 is true.
Reachability property qltransition_240 is true.
Reachability property qltransition_239 is true.
Reachability property qltransition_233 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_219 is true.
SDD proceeding with computation,243 properties remain. new max is 8
SDD size :1.33056e+07 after 1.93536e+08
Reachability property qltransition_252 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_248 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_234 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_215 is true.
SDD proceeding with computation,233 properties remain. new max is 8
SDD size :1.93536e+08 after 3.23447e+09
SDD proceeding with computation,233 properties remain. new max is 16
SDD size :3.23447e+09 after 3.73404e+09
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_267 is true.
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_262 is true.
Reachability property qltransition_261 is true.
Reachability property qltransition_260 is true.
Reachability property qltransition_258 is true.
Reachability property qltransition_257 is true.
Reachability property qltransition_256 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_253 is true.
SDD proceeding with computation,218 properties remain. new max is 16
SDD size :3.73404e+09 after 3.24861e+12
Reachability property qltransition_286 is true.
Reachability property qltransition_285 is true.
Reachability property qltransition_284 is true.
Reachability property qltransition_279 is true.
[2023-03-15 06:47:51] [INFO ] [Real]Absence check using 57 positive place invariants in 63 ms returned sat
[2023-03-15 06:47:53] [INFO ] After 1536ms SMT Verify possible using state equation in real domain returned unsat :0 sat :40 real:10
[2023-03-15 06:47:53] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-15 06:47:54] [INFO ] After 1099ms SMT Verify possible using 15 Read/Feed constraints in real domain returned unsat :0 sat :0 real:50
[2023-03-15 06:47:54] [INFO ] After 4107ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:50
[2023-03-15 06:47:55] [INFO ] [Nat]Absence check using 57 positive place invariants in 22 ms returned sat
[2023-03-15 06:47:56] [INFO ] After 1156ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :50
[2023-03-15 06:47:57] [INFO ] After 1110ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :50
[2023-03-15 06:47:59] [INFO ] After 2893ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :50
Attempting to minimize the solution found.
Minimization took 1250 ms.
[2023-03-15 06:48:00] [INFO ] After 6353ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :50
Fused 50 Parikh solutions to 48 different solutions.
Parikh walk visited 0 properties in 35 ms.
Support contains 50 out of 402 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 402/402 places, 506/506 transitions.
Drop transitions removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 402 transition count 473
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 62 place count 373 transition count 427
Iterating global reduction 1 with 29 rules applied. Total rules applied 91 place count 373 transition count 427
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 93 place count 372 transition count 438
Free-agglomeration rule applied 159 times.
Iterating global reduction 1 with 159 rules applied. Total rules applied 252 place count 372 transition count 279
Reduce places removed 159 places and 0 transitions.
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Graph (complete) has 591 edges and 213 vertex of which 152 are kept as prefixes of interest. Removing 61 places using SCC suffix rule.1 ms
Discarding 61 places :
Also discarding 46 output transitions
Drop transitions removed 46 transitions
Iterating post reduction 1 with 167 rules applied. Total rules applied 419 place count 152 transition count 226
Drop transitions removed 38 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 2 with 41 rules applied. Total rules applied 460 place count 152 transition count 185
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 461 place count 151 transition count 184
Reduce places removed 12 places and 0 transitions.
Graph (trivial) has 38 edges and 139 vertex of which 3 / 139 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 3 with 24 rules applied. Total rules applied 485 place count 137 transition count 173
Reduce places removed 11 places and 0 transitions.
Drop transitions removed 3 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 17 rules applied. Total rules applied 502 place count 126 transition count 167
Free-agglomeration rule applied 16 times.
Iterating global reduction 5 with 16 rules applied. Total rules applied 518 place count 126 transition count 151
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 534 place count 110 transition count 151
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 537 place count 110 transition count 151
Applied a total of 537 rules in 184 ms. Remains 110 /402 variables (removed 292) and now considering 151/506 (removed 355) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 110/402 places, 151/506 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 27737 ms. (steps per millisecond=36 ) properties (out of 37) seen :29
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3939 ms. (steps per millisecond=253 ) properties (out of 8) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1763 ms. (steps per millisecond=567 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1498 ms. (steps per millisecond=667 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-15 06:48:35] [INFO ] Flow matrix only has 134 transitions (discarded 17 similar events)
// Phase 1: matrix 134 rows 110 cols
[2023-03-15 06:48:35] [INFO ] Computed 28 place invariants in 1 ms
[2023-03-15 06:48:36] [INFO ] [Real]Absence check using 28 positive place invariants in 9 ms returned sat
[2023-03-15 06:48:36] [INFO ] After 56ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-15 06:48:36] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-15 06:48:36] [INFO ] After 9ms SMT Verify possible using 6 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 06:48:36] [INFO ] After 136ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 06:48:36] [INFO ] [Nat]Absence check using 28 positive place invariants in 6 ms returned sat
[2023-03-15 06:48:36] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 06:48:36] [INFO ] After 8ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 06:48:36] [INFO ] After 21ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-15 06:48:36] [INFO ] After 123ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 151/151 transitions.
Graph (trivial) has 37 edges and 110 vertex of which 2 / 110 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Graph (complete) has 272 edges and 109 vertex of which 86 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.0 ms
Discarding 23 places :
Also discarding 15 output transitions
Drop transitions removed 15 transitions
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 14 place count 86 transition count 121
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 30 place count 70 transition count 91
Iterating global reduction 1 with 16 rules applied. Total rules applied 46 place count 70 transition count 91
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 50 place count 70 transition count 87
Free-agglomeration rule applied 17 times.
Iterating global reduction 2 with 17 rules applied. Total rules applied 67 place count 70 transition count 70
Reduce places removed 27 places and 0 transitions.
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Graph (complete) has 66 edges and 43 vertex of which 8 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 44 output transitions
Drop transitions removed 44 transitions
Graph (trivial) has 9 edges and 8 vertex of which 4 / 8 are part of one of the 1 SCC in 1 ms
Free SCC test removed 3 places
Iterating post reduction 2 with 40 rules applied. Total rules applied 107 place count 5 transition count 15
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 116 place count 5 transition count 6
Applied a total of 116 rules in 13 ms. Remains 5 /110 variables (removed 105) and now considering 6/151 (removed 145) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 5/110 places, 6/151 transitions.
Finished random walk after 34 steps, including 4 resets, run visited all 1 properties in 1 ms. (steps per millisecond=34 )
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)
Able to resolve query QuasiLiveness after proving 322 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 52827 ms.

BK_STOP 1678862917660

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="NoC3x3-PT-4B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 NoC3x3-PT-4B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r275-smll-167863547400177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-4B.tgz
mv NoC3x3-PT-4B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;