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.r117-tall-167814495100007.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 lolaxred
Input is CloudReconfiguration-PT-302, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495100007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.0K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K 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 24K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:46 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 1679411906204

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=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-302
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:18:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:18:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:18:28] [INFO ] Load time of PNML (sax parser for PT used): 127 ms
[2023-03-21 15:18:28] [INFO ] Transformed 2585 places.
[2023-03-21 15:18:28] [INFO ] Transformed 3095 transitions.
[2023-03-21 15:18:28] [INFO ] Found NUPN structural information;
[2023-03-21 15:18:28] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 204 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2957 edges and 2585 vertex of which 882 / 2585 are part of one of the 63 SCC in 13 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 1766 transition count 969
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 576 transition count 868
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 543 transition count 865
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 543 transition count 845
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 523 transition count 845
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 231 transition count 478
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 231 transition count 475
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 207 transition count 523
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 207 transition count 508
Applied a total of 3208 rules in 113 ms. Remains 207 /2585 variables (removed 2378) and now considering 508/3095 (removed 2587) transitions.
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
// Phase 1: matrix 429 rows 207 cols
[2023-03-21 15:18:28] [INFO ] Computed 4 place invariants in 20 ms
[2023-03-21 15:18:28] [INFO ] Implicit Places using invariants in 273 ms returned []
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
[2023-03-21 15:18:28] [INFO ] Invariant cache hit.
[2023-03-21 15:18:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:28] [INFO ] Implicit Places using invariants and state equation in 280 ms returned [82, 141]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 578 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 205/2585 places, 508/3095 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 203 transition count 506
Applied a total of 4 rules in 13 ms. Remains 203 /205 variables (removed 2) and now considering 506/508 (removed 2) transitions.
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
// Phase 1: matrix 427 rows 203 cols
[2023-03-21 15:18:28] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:18:28] [INFO ] Implicit Places using invariants in 93 ms returned []
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:18:28] [INFO ] Invariant cache hit.
[2023-03-21 15:18:29] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:29] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 203/2585 places, 506/3095 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1020 ms. Remains : 203/2585 places, 506/3095 transitions.
Discarding 310 transitions out of 506. Remains 196
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1146 resets, run finished after 515 ms. (steps per millisecond=19 ) properties (out of 195) seen :150
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 45) seen :1
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) 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 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :1
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) 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 41) 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 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 41) seen :0
Running SMT prover for 41 properties.
[2023-03-21 15:18:29] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:18:29] [INFO ] Invariant cache hit.
[2023-03-21 15:18:30] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-21 15:18:31] [INFO ] After 1021ms SMT Verify possible using state equation in real domain returned unsat :0 sat :12 real:29
[2023-03-21 15:18:31] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:31] [INFO ] After 191ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:41
[2023-03-21 15:18:31] [INFO ] After 1606ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:41
[2023-03-21 15:18:31] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:33] [INFO ] After 1015ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :41
[2023-03-21 15:18:34] [INFO ] After 976ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :41
[2023-03-21 15:18:35] [INFO ] After 2311ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :41
Attempting to minimize the solution found.
Minimization took 1021 ms.
[2023-03-21 15:18:36] [INFO ] After 4692ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :41
Fused 41 Parikh solutions to 40 different solutions.
Parikh walk visited 0 properties in 19 ms.
Support contains 46 out of 203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 203/203 places, 506/506 transitions.
Drop transitions removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 0 with 65 rules applied. Total rules applied 65 place count 203 transition count 441
Discarding 68 places :
Symmetric choice reduction at 1 with 68 rule applications. Total rules 133 place count 135 transition count 365
Iterating global reduction 1 with 68 rules applied. Total rules applied 201 place count 135 transition count 365
Ensure Unique test removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 1 with 58 rules applied. Total rules applied 259 place count 135 transition count 307
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 267 place count 127 transition count 297
Iterating global reduction 2 with 8 rules applied. Total rules applied 275 place count 127 transition count 297
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 281 place count 127 transition count 291
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 283 place count 125 transition count 285
Iterating global reduction 3 with 2 rules applied. Total rules applied 285 place count 125 transition count 285
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 287 place count 123 transition count 275
Iterating global reduction 3 with 2 rules applied. Total rules applied 289 place count 123 transition count 275
Performed 14 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 317 place count 109 transition count 256
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 326 place count 109 transition count 247
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -5
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 334 place count 105 transition count 252
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 335 place count 105 transition count 251
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 336 place count 104 transition count 249
Iterating global reduction 5 with 1 rules applied. Total rules applied 337 place count 104 transition count 249
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 338 place count 104 transition count 248
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 6 with 30 rules applied. Total rules applied 368 place count 104 transition count 218
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 369 place count 104 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 370 place count 103 transition count 217
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 371 place count 103 transition count 216
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 372 place count 103 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 373 place count 102 transition count 215
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 374 place count 102 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 375 place count 101 transition count 214
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 376 place count 101 transition count 213
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 11 with 3 rules applied. Total rules applied 379 place count 101 transition count 213
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 381 place count 101 transition count 211
Applied a total of 381 rules in 89 ms. Remains 101 /203 variables (removed 102) and now considering 211/506 (removed 295) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 101/203 places, 211/506 transitions.
Incomplete random walk after 1000000 steps, including 134893 resets, run finished after 2385 ms. (steps per millisecond=419 ) properties (out of 41) seen :40
Incomplete Best-First random walk after 1000001 steps, including 29717 resets, run finished after 432 ms. (steps per millisecond=2314 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:18:39] [INFO ] Flow matrix only has 200 transitions (discarded 11 similar events)
// Phase 1: matrix 200 rows 101 cols
[2023-03-21 15:18:39] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-21 15:18:39] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2023-03-21 15:18:39] [INFO ] After 93ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:18:39] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:39] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:18:39] [INFO ] After 8ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:39] [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 7 ms.
[2023-03-21 15:18:39] [INFO ] After 93ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 5 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 211/211 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 101 transition count 208
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 98 transition count 208
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 12 place count 92 transition count 201
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 92 transition count 201
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 23 place count 92 transition count 196
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 45 place count 81 transition count 185
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 54 place count 81 transition count 176
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 66 place count 69 transition count 164
Iterating global reduction 2 with 12 rules applied. Total rules applied 78 place count 69 transition count 164
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 84 place count 69 transition count 158
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 102 place count 60 transition count 149
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 111 place count 60 transition count 140
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 117 place count 54 transition count 134
Iterating global reduction 4 with 6 rules applied. Total rules applied 123 place count 54 transition count 134
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 129 place count 54 transition count 128
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 5 with 10 rules applied. Total rules applied 139 place count 49 transition count 128
Drop transitions removed 5 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 147 place count 49 transition count 120
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 152 place count 44 transition count 115
Iterating global reduction 6 with 5 rules applied. Total rules applied 157 place count 44 transition count 115
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 162 place count 44 transition count 110
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 7 with 30 rules applied. Total rules applied 192 place count 44 transition count 80
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 195 place count 41 transition count 71
Iterating global reduction 7 with 3 rules applied. Total rules applied 198 place count 41 transition count 71
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 201 place count 38 transition count 68
Iterating global reduction 7 with 3 rules applied. Total rules applied 204 place count 38 transition count 68
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 207 place count 38 transition count 65
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 210 place count 38 transition count 62
Free-agglomeration rule applied 3 times.
Iterating global reduction 8 with 3 rules applied. Total rules applied 213 place count 38 transition count 59
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 216 place count 35 transition count 59
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 217 place count 34 transition count 58
Applied a total of 217 rules in 54 ms. Remains 34 /101 variables (removed 67) and now considering 58/211 (removed 153) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 34/101 places, 58/211 transitions.
Finished random walk after 35478 steps, including 4839 resets, run visited all 1 properties in 35 ms. (steps per millisecond=1013 )
Able to resolve query QuasiLiveness after proving 196 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11753 ms.
ITS solved all properties within timeout

BK_STOP 1679411920916

--------------------
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-302"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is CloudReconfiguration-PT-302, 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 r117-tall-167814495100007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 ;