Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r119-tall-167814497100007.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 ltsminxred
Input is CloudReconfiguration-PT-302, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497100007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.0K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 660K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679411919258

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-302
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:18:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:18:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:18:41] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2023-03-21 15:18:41] [INFO ] Transformed 2585 places.
[2023-03-21 15:18:41] [INFO ] Transformed 3095 transitions.
[2023-03-21 15:18:41] [INFO ] Found NUPN structural information;
[2023-03-21 15:18:41] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 198 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 114 ms. Remains 207 /2585 variables (removed 2378) and now considering 508/3095 (removed 2587) transitions.
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
// Phase 1: matrix 429 rows 207 cols
[2023-03-21 15:18:41] [INFO ] Computed 4 place invariants in 24 ms
[2023-03-21 15:18:41] [INFO ] Implicit Places using invariants in 302 ms returned []
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
[2023-03-21 15:18:41] [INFO ] Invariant cache hit.
[2023-03-21 15:18:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:41] [INFO ] Implicit Places using invariants and state equation in 304 ms returned [82, 141]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 635 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 9 ms. Remains 203 /205 variables (removed 2) and now considering 506/508 (removed 2) transitions.
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
// Phase 1: matrix 427 rows 203 cols
[2023-03-21 15:18:41] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-21 15:18:42] [INFO ] Implicit Places using invariants in 90 ms returned []
[2023-03-21 15:18:42] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:18:42] [INFO ] Invariant cache hit.
[2023-03-21 15:18:42] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:42] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 332 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 1090 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 1136 resets, run finished after 506 ms. (steps per millisecond=19 ) properties (out of 195) seen :141
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 54) seen :2
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 1000 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) 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 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 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 51) seen :2
Incomplete Best-First random walk after 1001 steps, including 20 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 18 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 49) 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 49) 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 48) 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 48) 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 48) 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 48) 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 48) 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 48) 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 47) 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 47) seen :1
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 46) seen :1
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 9 ms. (steps per millisecond=111 ) 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 4 ms. (steps per millisecond=250 ) properties (out of 45) 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 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 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 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 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 1000 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 45) 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 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 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 45) 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 45) 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 45) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 45) seen :1
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 44) 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 44) seen :1
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) 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 43) 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 43) 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 43) 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 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :0
Running SMT prover for 43 properties.
[2023-03-21 15:18:43] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:18:43] [INFO ] Invariant cache hit.
[2023-03-21 15:18:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:44] [INFO ] After 1103ms SMT Verify possible using state equation in real domain returned unsat :0 sat :7 real:36
[2023-03-21 15:18:44] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:44] [INFO ] After 110ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:43
[2023-03-21 15:18:44] [INFO ] After 1608ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:43
[2023-03-21 15:18:45] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:46] [INFO ] After 1043ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :43
[2023-03-21 15:18:47] [INFO ] After 974ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :43
[2023-03-21 15:18:48] [INFO ] After 2390ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :43
Attempting to minimize the solution found.
Minimization took 1009 ms.
[2023-03-21 15:18:49] [INFO ] After 4889ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :43
Parikh walk visited 0 properties in 18 ms.
Support contains 48 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 67 places :
Symmetric choice reduction at 1 with 67 rule applications. Total rules 132 place count 136 transition count 368
Iterating global reduction 1 with 67 rules applied. Total rules applied 199 place count 136 transition count 368
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Iterating post reduction 1 with 59 rules applied. Total rules applied 258 place count 136 transition count 309
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 266 place count 128 transition count 299
Iterating global reduction 2 with 8 rules applied. Total rules applied 274 place count 128 transition count 299
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 280 place count 128 transition count 293
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 282 place count 126 transition count 287
Iterating global reduction 3 with 2 rules applied. Total rules applied 284 place count 126 transition count 287
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 286 place count 124 transition count 277
Iterating global reduction 3 with 2 rules applied. Total rules applied 288 place count 124 transition count 277
Performed 14 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 316 place count 110 transition count 259
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 324 place count 110 transition count 251
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -9
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 332 place count 106 transition count 260
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 337 place count 106 transition count 255
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 338 place count 105 transition count 249
Iterating global reduction 5 with 1 rules applied. Total rules applied 339 place count 105 transition count 249
Drop transitions removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 5 with 26 rules applied. Total rules applied 365 place count 105 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 5 with 1 rules applied. Total rules applied 366 place count 105 transition count 222
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 367 place count 104 transition count 222
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 368 place count 104 transition count 221
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 369 place count 104 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 370 place count 103 transition count 220
Free-agglomeration rule applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 371 place count 103 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 372 place count 102 transition count 219
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 373 place count 102 transition count 218
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 376 place count 102 transition count 218
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 377 place count 102 transition count 217
Partial Post-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 381 place count 102 transition count 217
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 382 place count 102 transition count 216
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 11 with 3 rules applied. Total rules applied 385 place count 102 transition count 213
Applied a total of 385 rules in 102 ms. Remains 102 /203 variables (removed 101) and now considering 213/506 (removed 293) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102 ms. Remains : 102/203 places, 213/506 transitions.
Incomplete random walk after 1000000 steps, including 132734 resets, run finished after 2550 ms. (steps per millisecond=392 ) properties (out of 43) seen :42
Incomplete Best-First random walk after 1000000 steps, including 29709 resets, run finished after 431 ms. (steps per millisecond=2320 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:18:52] [INFO ] Flow matrix only has 198 transitions (discarded 15 similar events)
// Phase 1: matrix 198 rows 102 cols
[2023-03-21 15:18:52] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-21 15:18:52] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:52] [INFO ] After 88ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:18:53] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:53] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:53] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 15:18:53] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:53] [INFO ] After 17ms 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 15:18:53] [INFO ] After 139ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 5 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 213/213 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 212
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 212
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 2 place count 101 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 8 place count 98 transition count 209
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 16 place count 90 transition count 198
Iterating global reduction 2 with 8 rules applied. Total rules applied 24 place count 90 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 28 place count 90 transition count 194
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 48 place count 80 transition count 184
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 59 place count 80 transition count 173
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 69 place count 70 transition count 163
Iterating global reduction 4 with 10 rules applied. Total rules applied 79 place count 70 transition count 163
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 83 place count 70 transition count 159
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 97 place count 63 transition count 152
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 104 place count 63 transition count 145
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 110 place count 57 transition count 139
Iterating global reduction 6 with 6 rules applied. Total rules applied 116 place count 57 transition count 139
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 122 place count 57 transition count 133
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 134 place count 51 transition count 133
Drop transitions removed 6 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 7 with 9 rules applied. Total rules applied 143 place count 51 transition count 124
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 149 place count 45 transition count 118
Iterating global reduction 8 with 6 rules applied. Total rules applied 155 place count 45 transition count 118
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 161 place count 45 transition count 112
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 9 with 33 rules applied. Total rules applied 194 place count 45 transition count 79
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 196 place count 43 transition count 75
Iterating global reduction 9 with 2 rules applied. Total rules applied 198 place count 43 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 199 place count 43 transition count 74
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 200 place count 42 transition count 73
Iterating global reduction 10 with 1 rules applied. Total rules applied 201 place count 42 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 202 place count 42 transition count 72
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 11 with 2 rules applied. Total rules applied 204 place count 41 transition count 71
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 205 place count 41 transition count 70
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 207 place count 41 transition count 68
Free-agglomeration rule applied 3 times.
Iterating global reduction 12 with 3 rules applied. Total rules applied 210 place count 41 transition count 65
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 12 with 3 rules applied. Total rules applied 213 place count 38 transition count 65
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 214 place count 37 transition count 64
Applied a total of 214 rules in 52 ms. Remains 37 /102 variables (removed 65) and now considering 64/213 (removed 149) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 37/102 places, 64/213 transitions.
Finished random walk after 17287 steps, including 2420 resets, run visited all 1 properties in 20 ms. (steps per millisecond=864 )
Able to resolve query QuasiLiveness after proving 196 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12221 ms.
ITS solved all properties within timeout

BK_STOP 1679411934133

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-302"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is CloudReconfiguration-PT-302, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r119-tall-167814497100007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;