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.r121-tall-167814499100037.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 smartxred
Input is CloudReconfiguration-PT-308, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r121-tall-167814499100037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.3K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K 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 52K 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 4.1K 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 2.3K Feb 25 15:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 161K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 660K Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678391606036

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=smartxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-308
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-09 19:53:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-09 19:53:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 19:53:27] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2023-03-09 19:53:27] [INFO ] Transformed 2585 places.
[2023-03-09 19:53:27] [INFO ] Transformed 3095 transitions.
[2023-03-09 19:53:27] [INFO ] Found NUPN structural information;
[2023-03-09 19:53:27] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 211 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 12 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 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 298 ms. Remains 207 /2585 variables (removed 2378) and now considering 508/3095 (removed 2587) transitions.
[2023-03-09 19:53:28] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
// Phase 1: matrix 429 rows 207 cols
[2023-03-09 19:53:28] [INFO ] Computed 4 place invariants in 22 ms
[2023-03-09 19:53:28] [INFO ] Implicit Places using invariants in 295 ms returned []
[2023-03-09 19:53:28] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
[2023-03-09 19:53:28] [INFO ] Invariant cache hit.
[2023-03-09 19:53:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-09 19:53:28] [INFO ] Implicit Places using invariants and state equation in 278 ms returned [82, 200]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 597 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 7 ms. Remains 203 /205 variables (removed 2) and now considering 506/508 (removed 2) transitions.
[2023-03-09 19:53:28] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
// Phase 1: matrix 427 rows 203 cols
[2023-03-09 19:53:28] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-09 19:53:28] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-09 19:53:28] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-09 19:53:28] [INFO ] Invariant cache hit.
[2023-03-09 19:53:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-09 19:53:28] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 328 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 1232 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 1142 resets, run finished after 519 ms. (steps per millisecond=19 ) properties (out of 195) seen :138
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 57) seen :1
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 1000 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 55) seen :2
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 53) seen :1
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :1
Incomplete Best-First random walk after 1000 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 1001 steps, including 17 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 16 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 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) 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 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 17 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 14 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 47) 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 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 47) 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 47) 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 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 47) 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 47) 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 47) 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 47) 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 47) 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 47) 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 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 47) 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 47) 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 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 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 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 45) 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 45) 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 45) 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 45) 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 45) seen :0
Running SMT prover for 45 properties.
[2023-03-09 19:53:29] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-09 19:53:29] [INFO ] Invariant cache hit.
[2023-03-09 19:53:30] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-09 19:53:31] [INFO ] After 1446ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:45
[2023-03-09 19:53:31] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-09 19:53:32] [INFO ] After 1041ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :45
[2023-03-09 19:53:32] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-09 19:53:33] [INFO ] After 1000ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :45
[2023-03-09 19:53:35] [INFO ] After 2414ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :45
Attempting to minimize the solution found.
Minimization took 1023 ms.
[2023-03-09 19:53:36] [INFO ] After 4937ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :45
Fused 45 Parikh solutions to 43 different solutions.
Parikh walk visited 0 properties in 20 ms.
Support contains 50 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 367
Iterating global reduction 1 with 68 rules applied. Total rules applied 201 place count 135 transition count 367
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Iterating post reduction 1 with 59 rules applied. Total rules applied 260 place count 135 transition count 308
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 268 place count 127 transition count 298
Iterating global reduction 2 with 8 rules applied. Total rules applied 276 place count 127 transition count 298
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 282 place count 127 transition count 292
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 284 place count 125 transition count 286
Iterating global reduction 3 with 2 rules applied. Total rules applied 286 place count 125 transition count 286
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 288 place count 123 transition count 276
Iterating global reduction 3 with 2 rules applied. Total rules applied 290 place count 123 transition count 276
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 310 place count 113 transition count 264
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 316 place count 113 transition count 258
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 322 place count 110 transition count 260
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 4 with 33 rules applied. Total rules applied 355 place count 110 transition count 227
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 356 place count 110 transition count 226
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 357 place count 109 transition count 226
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 358 place count 109 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 6 with 1 rules applied. Total rules applied 359 place count 109 transition count 224
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 360 place count 108 transition count 224
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 361 place count 108 transition count 223
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 362 place count 107 transition count 223
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 363 place count 107 transition count 222
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 369 place count 107 transition count 222
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 371 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 377 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 380 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 382 place count 107 transition count 215
Applied a total of 382 rules in 106 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 106 ms. Remains : 107/203 places, 215/506 transitions.
Incomplete random walk after 1000000 steps, including 133310 resets, run finished after 2727 ms. (steps per millisecond=366 ) properties (out of 45) seen :44
Incomplete Best-First random walk after 1000001 steps, including 35589 resets, run finished after 458 ms. (steps per millisecond=2183 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-09 19:53:39] [INFO ] Flow matrix only has 200 transitions (discarded 15 similar events)
// Phase 1: matrix 200 rows 107 cols
[2023-03-09 19:53:39] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-09 19:53:39] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2023-03-09 19:53:39] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-09 19:53:39] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2023-03-09 19:53:39] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-09 19:53:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-09 19:53:39] [INFO ] After 8ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-09 19:53:39] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-09 19:53:39] [INFO ] After 111ms 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 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 6 place count 104 transition count 209
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 12 place count 101 transition count 209
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 20 place count 93 transition count 198
Iterating global reduction 2 with 8 rules applied. Total rules applied 28 place count 93 transition count 198
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 32 place count 93 transition count 194
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 56 place count 81 transition count 182
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 67 place count 81 transition count 171
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 77 place count 71 transition count 161
Iterating global reduction 4 with 10 rules applied. Total rules applied 87 place count 71 transition count 161
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 91 place count 71 transition count 157
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 105 place count 64 transition count 150
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 112 place count 64 transition count 143
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 118 place count 58 transition count 137
Iterating global reduction 6 with 6 rules applied. Total rules applied 124 place count 58 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 130 place count 58 transition count 131
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 142 place count 52 transition count 131
Drop transitions removed 6 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 152 place count 52 transition count 121
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 158 place count 46 transition count 115
Iterating global reduction 8 with 6 rules applied. Total rules applied 164 place count 46 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 170 place count 46 transition count 109
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 9 with 30 rules applied. Total rules applied 200 place count 46 transition count 79
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 201 place count 45 transition count 76
Iterating global reduction 9 with 1 rules applied. Total rules applied 202 place count 45 transition count 76
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 203 place count 44 transition count 75
Iterating global reduction 9 with 1 rules applied. Total rules applied 204 place count 44 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 205 place count 44 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 209 place count 42 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 211 place count 42 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 212 place count 42 transition count 69
Free-agglomeration rule applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 215 place count 42 transition count 66
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 218 place count 39 transition count 66
Applied a total of 218 rules in 61 ms. Remains 39 /107 variables (removed 68) and now considering 66/215 (removed 149) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 39/107 places, 66/215 transitions.
Finished random walk after 3739 steps, including 468 resets, run visited all 1 properties in 5 ms. (steps per millisecond=747 )
Able to resolve query QuasiLiveness after proving 196 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12465 ms.
ITS solved all properties within timeout

BK_STOP 1678391621122

--------------------
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-308"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is CloudReconfiguration-PT-308, 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 r121-tall-167814499100037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-308.tgz
mv CloudReconfiguration-PT-308 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 ;