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-167814495100002.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-301, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495100002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 23K 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 13K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K 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 15:46 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 1679411906120

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-301
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): 129 ms
[2023-03-21 15:18:28] [INFO ] Transformed 2584 places.
[2023-03-21 15:18:28] [INFO ] Transformed 3094 transitions.
[2023-03-21 15:18:28] [INFO ] Found NUPN structural information;
[2023-03-21 15:18:28] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 210 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 14 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 2 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 120 ms. Remains 206 /2584 variables (removed 2378) and now considering 507/3094 (removed 2587) transitions.
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
// Phase 1: matrix 428 rows 206 cols
[2023-03-21 15:18:28] [INFO ] Computed 4 place invariants in 25 ms
[2023-03-21 15:18:28] [INFO ] Implicit Places using invariants in 342 ms returned []
[2023-03-21 15:18:28] [INFO ] Flow matrix only has 428 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 15:18:29] [INFO ] Implicit Places using invariants and state equation in 470 ms returned [82, 141, 200]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 841 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 12 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 31 ms. Remains 200 /203 variables (removed 3) and now considering 504/507 (removed 3) transitions.
[2023-03-21 15:18:29] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
// Phase 1: matrix 425 rows 200 cols
[2023-03-21 15:18:29] [INFO ] Computed 1 place invariants in 16 ms
[2023-03-21 15:18:29] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-21 15:18:29] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:18:29] [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 233 ms returned []
Implicit Place search using SMT with State Equation took 346 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 1338 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 1209 resets, run finished after 444 ms. (steps per millisecond=22 ) properties (out of 193) seen :142
Incomplete Best-First random walk after 1001 steps, including 13 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 2 ms. (steps per millisecond=500 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1000 steps, including 15 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 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 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 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 9 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 2 ms. (steps per millisecond=500 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 48) seen :1
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 47) 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 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 47) 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 47) 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 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 47) 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 47) 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 47) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 46) 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 46) 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 46) 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 46) 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 46) 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 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 :1
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 45) 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 45) seen :1
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 44) 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 44) 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 44) seen :0
Running SMT prover for 44 properties.
[2023-03-21 15:18:30] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:18:30] [INFO ] Invariant cache hit.
[2023-03-21 15:18:30] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:31] [INFO ] After 1530ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:44
[2023-03-21 15:18:32] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:18:33] [INFO ] After 1098ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :44
[2023-03-21 15:18:33] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:34] [INFO ] After 1018ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :44
[2023-03-21 15:18:35] [INFO ] After 2401ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :44
Attempting to minimize the solution found.
Minimization took 1032 ms.
[2023-03-21 15:18:36] [INFO ] After 4904ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :44
Parikh walk visited 0 properties in 21 ms.
Support contains 49 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 65 places :
Symmetric choice reduction at 1 with 65 rule applications. Total rules 131 place count 135 transition count 368
Iterating global reduction 1 with 65 rules applied. Total rules applied 196 place count 135 transition count 368
Ensure Unique test removed 57 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 1 with 57 rules applied. Total rules applied 253 place count 135 transition count 311
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 261 place count 127 transition count 301
Iterating global reduction 2 with 8 rules applied. Total rules applied 269 place count 127 transition count 301
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 275 place count 127 transition count 295
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 277 place count 125 transition count 289
Iterating global reduction 3 with 2 rules applied. Total rules applied 279 place count 125 transition count 289
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 281 place count 123 transition count 279
Iterating global reduction 3 with 2 rules applied. Total rules applied 283 place count 123 transition count 279
Performed 13 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
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 309 place count 110 transition count 265
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 317 place count 110 transition count 257
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -8
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 325 place count 106 transition count 265
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 330 place count 106 transition count 260
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 331 place count 105 transition count 254
Iterating global reduction 5 with 1 rules applied. Total rules applied 332 place count 105 transition count 254
Drop transitions removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 5 with 29 rules applied. Total rules applied 361 place count 105 transition count 225
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 362 place count 105 transition count 224
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 363 place count 104 transition count 224
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 364 place count 104 transition count 223
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 1 rules applied. Total rules applied 365 place count 104 transition count 222
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 366 place count 103 transition count 222
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 367 place count 103 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 368 place count 102 transition count 221
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 369 place count 102 transition count 220
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 10 with 6 rules applied. Total rules applied 375 place count 102 transition count 220
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 377 place count 102 transition count 218
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 380 place count 102 transition count 218
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 381 place count 102 transition count 217
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 382 place count 102 transition count 216
Applied a total of 382 rules in 94 ms. Remains 102 /200 variables (removed 98) and now considering 216/504 (removed 288) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 102/200 places, 216/504 transitions.
Incomplete random walk after 1000000 steps, including 153629 resets, run finished after 2817 ms. (steps per millisecond=354 ) properties (out of 44) seen :43
Incomplete Best-First random walk after 1000001 steps, including 32477 resets, run finished after 468 ms. (steps per millisecond=2136 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:18:40] [INFO ] Flow matrix only has 199 transitions (discarded 17 similar events)
// Phase 1: matrix 199 rows 102 cols
[2023-03-21 15:18:40] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-21 15:18:40] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:40] [INFO ] After 87ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:18:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:40] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:40] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:18:40] [INFO ] After 8ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:40] [INFO ] After 19ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-21 15:18:40] [INFO ] After 118ms 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 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 216/216 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 102 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 101 transition count 215
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 101 transition count 213
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 99 transition count 213
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 18 place count 87 transition count 197
Iterating global reduction 2 with 12 rules applied. Total rules applied 30 place count 87 transition count 197
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 36 place count 87 transition count 191
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 62 place count 74 transition count 178
Drop transitions removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 3 with 13 rules applied. Total rules applied 75 place count 74 transition count 165
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 84 place count 65 transition count 156
Iterating global reduction 4 with 9 rules applied. Total rules applied 93 place count 65 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 97 place count 65 transition count 152
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
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 107 place count 60 transition count 147
Drop transitions removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 112 place count 60 transition count 142
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 117 place count 55 transition count 137
Iterating global reduction 6 with 5 rules applied. Total rules applied 122 place count 55 transition count 137
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 127 place count 55 transition count 132
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 139 place count 49 transition count 132
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 150 place count 49 transition count 121
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 156 place count 43 transition count 115
Iterating global reduction 8 with 6 rules applied. Total rules applied 162 place count 43 transition count 115
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 168 place count 43 transition count 109
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 9 with 33 rules applied. Total rules applied 201 place count 43 transition count 76
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 202 place count 42 transition count 75
Iterating global reduction 9 with 1 rules applied. Total rules applied 203 place count 42 transition count 75
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 204 place count 42 transition count 74
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 208 place count 40 transition count 72
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 210 place count 40 transition count 70
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 211 place count 40 transition count 69
Free-agglomeration rule applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 214 place count 40 transition count 66
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 217 place count 37 transition count 66
Applied a total of 217 rules in 58 ms. Remains 37 /102 variables (removed 65) and now considering 66/216 (removed 150) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 37/102 places, 66/216 transitions.
Finished random walk after 38 steps, including 3 resets, run visited all 1 properties in 1 ms. (steps per millisecond=38 )
Able to resolve query QuasiLiveness after proving 194 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12642 ms.
ITS solved all properties within timeout

BK_STOP 1679411921834

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-301"
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-301, 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-167814495100002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 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 ;