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.r119-tall-167814497100017.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 ltsminxred
Input is CloudReconfiguration-PT-304, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497100017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 9.5K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 11:49 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 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:47 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 660K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679411956857

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-304
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:19:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:19:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:19:18] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2023-03-21 15:19:18] [INFO ] Transformed 2584 places.
[2023-03-21 15:19:18] [INFO ] Transformed 3094 transitions.
[2023-03-21 15:19:18] [INFO ] Found NUPN structural information;
[2023-03-21 15:19:18] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 196 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2957 edges and 2584 vertex of which 882 / 2584 are part of one of the 63 SCC in 12 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 1765 transition count 968
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 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 1 with 1291 rules applied. Total rules applied 2482 place count 575 transition count 867
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2518 place count 542 transition count 864
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 2518 place count 542 transition count 844
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 522 transition count 844
Performed 292 Post agglomeration using F-continuation condition with reduction of 75 identical transitions.
Deduced a syphon composed of 292 places in 1 ms
Reduce places removed 292 places and 0 transitions.
Iterating global reduction 3 with 584 rules applied. Total rules applied 3142 place count 230 transition count 477
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 3145 place count 230 transition count 474
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -48
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 3193 place count 206 transition count 522
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 4 with 15 rules applied. Total rules applied 3208 place count 206 transition count 507
Applied a total of 3208 rules in 109 ms. Remains 206 /2584 variables (removed 2378) and now considering 507/3094 (removed 2587) transitions.
[2023-03-21 15:19:18] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
// Phase 1: matrix 428 rows 206 cols
[2023-03-21 15:19:18] [INFO ] Computed 4 place invariants in 26 ms
[2023-03-21 15:19:19] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-21 15:19:19] [INFO ] Implicit Places using invariants in 571 ms returned []
[2023-03-21 15:19:19] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
[2023-03-21 15:19:19] [INFO ] Invariant cache hit.
[2023-03-21 15:19:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:19:19] [INFO ] Implicit Places using invariants and state equation in 321 ms returned [82, 141, 200]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 917 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 203/2584 places, 507/3094 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 200 transition count 504
Applied a total of 6 rules in 14 ms. Remains 200 /203 variables (removed 3) and now considering 504/507 (removed 3) transitions.
[2023-03-21 15:19:19] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
// Phase 1: matrix 425 rows 200 cols
[2023-03-21 15:19:19] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-21 15:19:19] [INFO ] Implicit Places using invariants in 92 ms returned []
[2023-03-21 15:19:19] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:19:19] [INFO ] Invariant cache hit.
[2023-03-21 15:19:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:19:19] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 200/2584 places, 504/3094 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1366 ms. Remains : 200/2584 places, 504/3094 transitions.
Discarding 310 transitions out of 504. Remains 194
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1212 resets, run finished after 442 ms. (steps per millisecond=22 ) properties (out of 193) seen :141
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :2
Incomplete Best-First random walk after 1001 steps, including 14 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 14 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 11 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 15 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 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 13 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 13 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 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Running SMT prover for 48 properties.
[2023-03-21 15:19:20] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:19:20] [INFO ] Invariant cache hit.
[2023-03-21 15:19:20] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:19:22] [INFO ] After 1185ms SMT Verify possible using state equation in real domain returned unsat :0 sat :9 real:39
[2023-03-21 15:19:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:19:22] [INFO ] After 147ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:48
[2023-03-21 15:19:22] [INFO ] After 1792ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:48
[2023-03-21 15:19:22] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:19:24] [INFO ] After 1301ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :48
[2023-03-21 15:19:25] [INFO ] After 1191ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :48
[2023-03-21 15:19:26] [INFO ] After 2794ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :48
Attempting to minimize the solution found.
Minimization took 1101 ms.
[2023-03-21 15:19:28] [INFO ] After 5647ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :48
Fused 48 Parikh solutions to 47 different solutions.
Parikh walk visited 0 properties in 35 ms.
Support contains 53 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 504/504 transitions.
Drop transitions removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 200 transition count 438
Discarding 62 places :
Symmetric choice reduction at 1 with 62 rule applications. Total rules 128 place count 138 transition count 368
Iterating global reduction 1 with 62 rules applied. Total rules applied 190 place count 138 transition count 368
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 1 with 52 rules applied. Total rules applied 242 place count 138 transition count 316
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 250 place count 130 transition count 306
Iterating global reduction 2 with 8 rules applied. Total rules applied 258 place count 130 transition count 306
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 264 place count 130 transition count 300
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 266 place count 128 transition count 294
Iterating global reduction 3 with 2 rules applied. Total rules applied 268 place count 128 transition count 294
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 270 place count 126 transition count 284
Iterating global reduction 3 with 2 rules applied. Total rules applied 272 place count 126 transition count 284
Performed 12 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 296 place count 114 transition count 268
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 302 place count 114 transition count 262
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 310 place count 110 transition count 266
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 311 place count 110 transition count 265
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 312 place count 109 transition count 263
Iterating global reduction 5 with 1 rules applied. Total rules applied 313 place count 109 transition count 263
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 314 place count 109 transition count 262
Drop transitions removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 6 with 31 rules applied. Total rules applied 345 place count 109 transition count 231
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 346 place count 109 transition count 230
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 347 place count 108 transition count 230
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 348 place count 108 transition count 229
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 1 rules applied. Total rules applied 349 place count 108 transition count 228
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 350 place count 107 transition count 228
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 351 place count 107 transition count 227
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 352 place count 106 transition count 227
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 353 place count 106 transition count 226
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 11 with 6 rules applied. Total rules applied 359 place count 106 transition count 226
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 361 place count 106 transition count 224
Partial Post-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 11 with 6 rules applied. Total rules applied 367 place count 106 transition count 224
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 370 place count 106 transition count 221
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 372 place count 106 transition count 219
Applied a total of 372 rules in 97 ms. Remains 106 /200 variables (removed 94) and now considering 219/504 (removed 285) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 106/200 places, 219/504 transitions.
Incomplete random walk after 1000000 steps, including 157312 resets, run finished after 3003 ms. (steps per millisecond=333 ) properties (out of 48) seen :47
Incomplete Best-First random walk after 1000001 steps, including 32781 resets, run finished after 463 ms. (steps per millisecond=2159 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:19:31] [INFO ] Flow matrix only has 206 transitions (discarded 13 similar events)
// Phase 1: matrix 206 rows 106 cols
[2023-03-21 15:19:31] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-21 15:19:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:19:31] [INFO ] After 82ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:19:31] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:19:31] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:19:31] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:19:31] [INFO ] After 8ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:19:31] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-21 15:19:31] [INFO ] After 112ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 219/219 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 106 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 105 transition count 218
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 2 place count 105 transition count 213
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 12 place count 100 transition count 213
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 26 place count 86 transition count 198
Iterating global reduction 2 with 14 rules applied. Total rules applied 40 place count 86 transition count 198
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 51 place count 86 transition count 187
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 71 place count 76 transition count 177
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 82 place count 76 transition count 166
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 92 place count 66 transition count 156
Iterating global reduction 4 with 10 rules applied. Total rules applied 102 place count 66 transition count 156
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 106 place count 66 transition count 152
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 120 place count 59 transition count 145
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 127 place count 59 transition count 138
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 133 place count 53 transition count 132
Iterating global reduction 6 with 6 rules applied. Total rules applied 139 place count 53 transition count 132
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 145 place count 53 transition count 126
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 155 place count 48 transition count 126
Drop transitions removed 5 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 163 place count 48 transition count 118
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 168 place count 43 transition count 113
Iterating global reduction 8 with 5 rules applied. Total rules applied 173 place count 43 transition count 113
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 178 place count 43 transition count 108
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 9 with 30 rules applied. Total rules applied 208 place count 43 transition count 78
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 209 place count 42 transition count 75
Iterating global reduction 9 with 1 rules applied. Total rules applied 210 place count 42 transition count 75
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 211 place count 41 transition count 74
Iterating global reduction 9 with 1 rules applied. Total rules applied 212 place count 41 transition count 74
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 213 place count 41 transition count 73
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 10 with 4 rules applied. Total rules applied 217 place count 39 transition count 71
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 219 place count 39 transition count 69
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 220 place count 39 transition count 68
Free-agglomeration rule applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 223 place count 39 transition count 65
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 226 place count 36 transition count 65
Applied a total of 226 rules in 47 ms. Remains 36 /106 variables (removed 70) and now considering 65/219 (removed 154) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 36/106 places, 65/219 transitions.
Finished random walk after 86 steps, including 12 resets, run visited all 1 properties in 1 ms. (steps per millisecond=86 )
Able to resolve query QuasiLiveness after proving 194 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 13749 ms.
ITS solved all properties within timeout

BK_STOP 1679411973107

--------------------
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 QuasiLiveness -timeout 180 -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="CloudReconfiguration-PT-304"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is CloudReconfiguration-PT-304, 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 r119-tall-167814497100017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-304.tgz
mv CloudReconfiguration-PT-304 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 ;