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-167814495200042.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 lolaxred
Input is CloudReconfiguration-PT-309, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495200042
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.8K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 25 11:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 75K Feb 25 11:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:47 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 8.0K Feb 25 11:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 25 11:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Feb 25 11:51 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 1679412166057

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-309
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:22:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:22:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:22:47] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2023-03-21 15:22:47] [INFO ] Transformed 2585 places.
[2023-03-21 15:22:47] [INFO ] Transformed 3095 transitions.
[2023-03-21 15:22:47] [INFO ] Found NUPN structural information;
[2023-03-21 15:22:47] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 197 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 338 ms. Remains 207 /2585 variables (removed 2378) and now considering 508/3095 (removed 2587) transitions.
[2023-03-21 15:22:48] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
// Phase 1: matrix 429 rows 207 cols
[2023-03-21 15:22:48] [INFO ] Computed 4 place invariants in 25 ms
[2023-03-21 15:22:48] [INFO ] Implicit Places using invariants in 307 ms returned []
[2023-03-21 15:22:48] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
[2023-03-21 15:22:48] [INFO ] Invariant cache hit.
[2023-03-21 15:22:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:22:48] [INFO ] Implicit Places using invariants and state equation in 282 ms returned [141, 200]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 617 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 1 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 10 ms. Remains 203 /205 variables (removed 2) and now considering 506/508 (removed 2) transitions.
[2023-03-21 15:22:48] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
// Phase 1: matrix 427 rows 203 cols
[2023-03-21 15:22:48] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-21 15:22:48] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-21 15:22:48] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:22:48] [INFO ] Invariant cache hit.
[2023-03-21 15:22:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:22:49] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 351 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 1318 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 1111 resets, run finished after 489 ms. (steps per millisecond=20 ) properties (out of 195) seen :143
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 52) 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 52) seen :1
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 51) 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 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 51) 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 51) 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 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 51) 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 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 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 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 50) 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 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) 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 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 48) 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 48) 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 48) 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 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 9 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 12 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 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 48) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 47) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 46) 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 46) 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 46) 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 46) 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 46) 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 46) 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 46) 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 46) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 46) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 46) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 46) 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 46) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 46) 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 46) 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 46) seen :0
Running SMT prover for 46 properties.
[2023-03-21 15:22:49] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:22:49] [INFO ] Invariant cache hit.
[2023-03-21 15:22:50] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-21 15:22:51] [INFO ] After 1489ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:46
[2023-03-21 15:22:51] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:22:52] [INFO ] After 1074ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :46
[2023-03-21 15:22:52] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:22:53] [INFO ] After 1037ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :46
[2023-03-21 15:22:55] [INFO ] After 2419ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :46
Attempting to minimize the solution found.
Minimization took 1016 ms.
[2023-03-21 15:22:56] [INFO ] After 4924ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :46
Fused 46 Parikh solutions to 45 different solutions.
Parikh walk visited 0 properties in 20 ms.
Support contains 51 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 70 places :
Symmetric choice reduction at 1 with 70 rule applications. Total rules 135 place count 133 transition count 365
Iterating global reduction 1 with 70 rules applied. Total rules applied 205 place count 133 transition count 365
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Iterating post reduction 1 with 61 rules applied. Total rules applied 266 place count 133 transition count 304
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 274 place count 125 transition count 294
Iterating global reduction 2 with 8 rules applied. Total rules applied 282 place count 125 transition count 294
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 288 place count 125 transition count 288
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 290 place count 123 transition count 282
Iterating global reduction 3 with 2 rules applied. Total rules applied 292 place count 123 transition count 282
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 294 place count 121 transition count 272
Iterating global reduction 3 with 2 rules applied. Total rules applied 296 place count 121 transition count 272
Performed 8 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 312 place count 113 transition count 262
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 317 place count 113 transition count 257
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 323 place count 110 transition count 259
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 4 with 33 rules applied. Total rules applied 356 place count 110 transition count 226
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 357 place count 110 transition count 225
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 358 place count 109 transition count 225
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 359 place count 109 transition count 224
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 360 place count 109 transition count 223
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 361 place count 108 transition count 223
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 362 place count 108 transition count 222
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 363 place count 107 transition count 222
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 364 place count 107 transition count 221
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 367 place count 107 transition count 221
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 368 place count 107 transition count 220
Partial Post-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 374 place count 107 transition count 220
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 9 with 3 rules applied. Total rules applied 377 place count 107 transition count 217
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 379 place count 107 transition count 215
Applied a total of 379 rules in 112 ms. Remains 107 /203 variables (removed 96) and now considering 215/506 (removed 291) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 107/203 places, 215/506 transitions.
Incomplete random walk after 1000000 steps, including 130858 resets, run finished after 2588 ms. (steps per millisecond=386 ) properties (out of 46) seen :45
Incomplete Best-First random walk after 1000001 steps, including 37582 resets, run finished after 510 ms. (steps per millisecond=1960 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:22:59] [INFO ] Flow matrix only has 201 transitions (discarded 14 similar events)
// Phase 1: matrix 201 rows 107 cols
[2023-03-21 15:22:59] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-21 15:22:59] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:22:59] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:22:59] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:22:59] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:22:59] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:22:59] [INFO ] After 17ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:22:59] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-21 15:22:59] [INFO ] After 121ms 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 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 215/215 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 107 transition count 212
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 104 transition count 212
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 6 place count 104 transition count 208
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 14 place count 100 transition count 208
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 19 place count 95 transition count 200
Iterating global reduction 2 with 5 rules applied. Total rules applied 24 place count 95 transition count 200
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 26 place count 95 transition count 198
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 52 place count 82 transition count 185
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 62 place count 82 transition count 175
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 73 place count 71 transition count 164
Iterating global reduction 4 with 11 rules applied. Total rules applied 84 place count 71 transition count 164
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 89 place count 71 transition count 159
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 105 place count 63 transition count 151
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 113 place count 63 transition count 143
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 119 place count 57 transition count 137
Iterating global reduction 6 with 6 rules applied. Total rules applied 125 place count 57 transition count 137
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 131 place count 57 transition count 131
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 143 place count 51 transition count 131
Drop transitions removed 6 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 154 place count 51 transition count 120
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 160 place count 45 transition count 114
Iterating global reduction 8 with 6 rules applied. Total rules applied 166 place count 45 transition count 114
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 172 place count 45 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 202 place count 45 transition count 78
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 204 place count 43 transition count 72
Iterating global reduction 9 with 2 rules applied. Total rules applied 206 place count 43 transition count 72
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 208 place count 41 transition count 70
Iterating global reduction 9 with 2 rules applied. Total rules applied 210 place count 41 transition count 70
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 212 place count 41 transition count 68
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 214 place count 40 transition count 67
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 215 place count 40 transition count 66
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 217 place count 40 transition count 64
Free-agglomeration rule applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 220 place count 40 transition count 61
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 223 place count 37 transition count 61
Applied a total of 223 rules in 88 ms. Remains 37 /107 variables (removed 70) and now considering 61/215 (removed 154) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 37/107 places, 61/215 transitions.
Finished random walk after 3387 steps, including 413 resets, run visited all 1 properties in 5 ms. (steps per millisecond=677 )
Able to resolve query QuasiLiveness after proving 196 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12419 ms.
ITS solved all properties within timeout

BK_STOP 1679412180837

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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-309"
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-309, 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-167814495200042"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-309.tgz
mv CloudReconfiguration-PT-309 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 ;