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-167814495200037.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CloudReconfiguration-PT-308, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495200037
=====================================================================

--------------------
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 1679412111524

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-308
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:21:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:21:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:21:53] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2023-03-21 15:21:53] [INFO ] Transformed 2585 places.
[2023-03-21 15:21:53] [INFO ] Transformed 3095 transitions.
[2023-03-21 15:21:53] [INFO ] Found NUPN structural information;
[2023-03-21 15:21:53] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 213 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 115 ms. Remains 207 /2585 variables (removed 2378) and now considering 508/3095 (removed 2587) transitions.
[2023-03-21 15:21:53] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
// Phase 1: matrix 429 rows 207 cols
[2023-03-21 15:21:53] [INFO ] Computed 4 place invariants in 21 ms
[2023-03-21 15:21:53] [INFO ] Implicit Places using invariants in 301 ms returned []
[2023-03-21 15:21:53] [INFO ] Flow matrix only has 429 transitions (discarded 79 similar events)
[2023-03-21 15:21:53] [INFO ] Invariant cache hit.
[2023-03-21 15:21:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:54] [INFO ] Implicit Places using invariants and state equation in 296 ms returned [82, 200]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 627 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 205/2585 places, 508/3095 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 203 transition count 506
Applied a total of 4 rules in 11 ms. Remains 203 /205 variables (removed 2) and now considering 506/508 (removed 2) transitions.
[2023-03-21 15:21:54] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
// Phase 1: matrix 427 rows 203 cols
[2023-03-21 15:21:54] [INFO ] Computed 2 place invariants in 7 ms
[2023-03-21 15:21:54] [INFO ] Implicit Places using invariants in 109 ms returned []
[2023-03-21 15:21:54] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:21:54] [INFO ] Invariant cache hit.
[2023-03-21 15:21:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:54] [INFO ] Implicit Places using invariants and state equation in 232 ms returned []
Implicit Place search using SMT with State Equation took 343 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 1097 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 1131 resets, run finished after 516 ms. (steps per millisecond=19 ) properties (out of 195) seen :141
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 54) seen :1
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 53) seen :2
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 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 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 50) seen :2
Incomplete Best-First random walk after 1001 steps, including 19 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 18 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 15 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 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 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 16 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 18 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 18 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 21 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 17 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 47) seen :2
Incomplete Best-First random walk after 1000 steps, including 19 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 18 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 18 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 23 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 1000 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 1000 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 :1
Incomplete Best-First random walk after 1000 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 11 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 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 13 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 10 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 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) 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 43) 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 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) 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 43) 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 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 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 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 5 ms. (steps per millisecond=200 ) properties (out of 43) 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 43) 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 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 :1
Running SMT prover for 42 properties.
[2023-03-21 15:21:55] [INFO ] Flow matrix only has 427 transitions (discarded 79 similar events)
[2023-03-21 15:21:55] [INFO ] Invariant cache hit.
[2023-03-21 15:21:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:21:56] [INFO ] After 1034ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:40
[2023-03-21 15:21:56] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:56] [INFO ] After 34ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:42
[2023-03-21 15:21:56] [INFO ] After 1447ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:42
[2023-03-21 15:21:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:21:58] [INFO ] After 1069ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :42
[2023-03-21 15:21:59] [INFO ] After 915ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :42
[2023-03-21 15:22:00] [INFO ] After 2314ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :42
Attempting to minimize the solution found.
Minimization took 1013 ms.
[2023-03-21 15:22:01] [INFO ] After 4720ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :42
Fused 42 Parikh solutions to 40 different solutions.
Parikh walk visited 0 properties in 22 ms.
Support contains 47 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 69 places :
Symmetric choice reduction at 1 with 69 rule applications. Total rules 134 place count 134 transition count 367
Iterating global reduction 1 with 69 rules applied. Total rules applied 203 place count 134 transition count 367
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Iterating post reduction 1 with 61 rules applied. Total rules applied 264 place count 134 transition count 306
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 272 place count 126 transition count 296
Iterating global reduction 2 with 8 rules applied. Total rules applied 280 place count 126 transition count 296
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 286 place count 126 transition count 290
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 288 place count 124 transition count 284
Iterating global reduction 3 with 2 rules applied. Total rules applied 290 place count 124 transition count 284
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 292 place count 122 transition count 274
Iterating global reduction 3 with 2 rules applied. Total rules applied 294 place count 122 transition count 274
Performed 12 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 318 place count 110 transition count 259
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 325 place count 110 transition count 252
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 331 place count 107 transition count 254
Drop transitions removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 4 with 32 rules applied. Total rules applied 363 place count 107 transition count 222
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 364 place count 107 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 365 place count 106 transition count 221
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 366 place count 106 transition count 220
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 367 place count 106 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 368 place count 105 transition count 219
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 369 place count 105 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 370 place count 104 transition count 218
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 371 place count 104 transition count 217
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 374 place count 104 transition count 217
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 375 place count 104 transition count 216
Partial Post-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 9 with 5 rules applied. Total rules applied 380 place count 104 transition count 216
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 382 place count 104 transition count 214
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 385 place count 104 transition count 211
Applied a total of 385 rules in 171 ms. Remains 104 /203 variables (removed 99) and now considering 211/506 (removed 295) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 104/203 places, 211/506 transitions.
Incomplete random walk after 1000000 steps, including 133875 resets, run finished after 2983 ms. (steps per millisecond=335 ) properties (out of 42) seen :41
Incomplete Best-First random walk after 1000001 steps, including 35579 resets, run finished after 543 ms. (steps per millisecond=1841 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:22:05] [INFO ] Flow matrix only has 196 transitions (discarded 15 similar events)
// Phase 1: matrix 196 rows 104 cols
[2023-03-21 15:22:05] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-21 15:22:05] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:22:05] [INFO ] After 87ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:22:05] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:22:05] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:22:05] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 15:22:05] [INFO ] After 8ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:22:05] [INFO ] After 18ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 11 ms.
[2023-03-21 15:22:05] [INFO ] After 109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 211/211 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 104 transition count 209
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 102 transition count 209
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 4 place count 102 transition count 206
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 10 place count 99 transition count 206
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 17 place count 92 transition count 195
Iterating global reduction 2 with 7 rules applied. Total rules applied 24 place count 92 transition count 195
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 26 place count 92 transition count 193
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 50 place count 80 transition count 181
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 61 place count 80 transition count 170
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 72 place count 69 transition count 159
Iterating global reduction 4 with 11 rules applied. Total rules applied 83 place count 69 transition count 159
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 89 place count 69 transition count 153
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 103 place count 62 transition count 146
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 110 place count 62 transition count 139
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 115 place count 57 transition count 134
Iterating global reduction 6 with 5 rules applied. Total rules applied 120 place count 57 transition count 134
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 125 place count 57 transition count 129
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 137 place count 51 transition count 129
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 146 place count 51 transition count 120
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 152 place count 45 transition count 114
Iterating global reduction 8 with 6 rules applied. Total rules applied 158 place count 45 transition count 114
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 164 place count 45 transition count 108
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 9 with 30 rules applied. Total rules applied 194 place count 45 transition count 78
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 196 place count 43 transition count 72
Iterating global reduction 9 with 2 rules applied. Total rules applied 198 place count 43 transition count 72
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 200 place count 41 transition count 70
Iterating global reduction 9 with 2 rules applied. Total rules applied 202 place count 41 transition count 70
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 204 place count 41 transition count 68
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 206 place count 40 transition count 67
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 207 place count 40 transition count 66
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 209 place count 40 transition count 64
Free-agglomeration rule applied 3 times.
Iterating global reduction 11 with 3 rules applied. Total rules applied 212 place count 40 transition count 61
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 215 place count 37 transition count 61
Applied a total of 215 rules in 51 ms. Remains 37 /104 variables (removed 67) and now considering 61/211 (removed 150) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 37/104 places, 61/211 transitions.
Finished random walk after 20841 steps, including 2551 resets, run visited all 1 properties in 25 ms. (steps per millisecond=833 )
Able to resolve query QuasiLiveness after proving 196 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12495 ms.
ITS solved all properties within timeout

BK_STOP 1679412126632

--------------------
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="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-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 r117-tall-167814495200037"
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 ;