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-167814495300107.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CloudReconfiguration-PT-402, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495300107
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 7.8K Feb 25 11:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 25 11:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 11:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 11:51 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 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 25 11:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 168K Feb 25 11:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 11:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 11:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 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 912K 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 1679412751063

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-402
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:32:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:32:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:32:32] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2023-03-21 15:32:32] [INFO ] Transformed 3554 places.
[2023-03-21 15:32:33] [INFO ] Transformed 4263 transitions.
[2023-03-21 15:32:33] [INFO ] Found NUPN structural information;
[2023-03-21 15:32:33] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 455 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 4080 edges and 3554 vertex of which 1260 / 3554 are part of one of the 88 SCC in 18 ms
Free SCC test removed 1172 places
Ensure Unique test removed 1348 transitions
Reduce isomorphic transitions removed 1348 transitions.
Drop transitions removed 1605 transitions
Trivial Post-agglo rules discarded 1605 transitions
Performed 1605 trivial Post agglomeration. Transition count delta: 1605
Iterating post reduction 0 with 1605 rules applied. Total rules applied 1606 place count 2382 transition count 1310
Reduce places removed 1605 places and 0 transitions.
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions removed 44 transitions
Trivial Post-agglo rules discarded 44 transitions
Performed 44 trivial Post agglomeration. Transition count delta: 44
Iterating post reduction 1 with 1740 rules applied. Total rules applied 3346 place count 777 transition count 1175
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 3394 place count 733 transition count 1171
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 3394 place count 733 transition count 1141
Deduced a syphon composed of 30 places in 7 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 3454 place count 703 transition count 1141
Performed 389 Post agglomeration using F-continuation condition with reduction of 100 identical transitions.
Deduced a syphon composed of 389 places in 1 ms
Reduce places removed 389 places and 0 transitions.
Iterating global reduction 3 with 778 rules applied. Total rules applied 4232 place count 314 transition count 652
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 4236 place count 314 transition count 648
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: -72
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 4 with 72 rules applied. Total rules applied 4308 place count 278 transition count 720
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 4328 place count 278 transition count 700
Applied a total of 4328 rules in 151 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2023-03-21 15:32:33] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2023-03-21 15:32:33] [INFO ] Computed 5 place invariants in 23 ms
[2023-03-21 15:32:33] [INFO ] Implicit Places using invariants in 321 ms returned []
[2023-03-21 15:32:33] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2023-03-21 15:32:33] [INFO ] Invariant cache hit.
[2023-03-21 15:32:33] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:33] [INFO ] Implicit Places using invariants and state equation in 432 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 782 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 275/3554 places, 700/4263 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 272 transition count 697
Applied a total of 6 rules in 10 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2023-03-21 15:32:33] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2023-03-21 15:32:33] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-21 15:32:34] [INFO ] Implicit Places using invariants in 124 ms returned []
[2023-03-21 15:32:34] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2023-03-21 15:32:34] [INFO ] Invariant cache hit.
[2023-03-21 15:32:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:34] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 463 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 272/3554 places, 697/4263 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1407 ms. Remains : 272/3554 places, 697/4263 transitions.
Discarding 433 transitions out of 697. Remains 264
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 998 resets, run finished after 447 ms. (steps per millisecond=22 ) properties (out of 263) seen :174
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) 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 89) 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 89) seen :1
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 88) 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 87) 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 87) 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 86) 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 86) seen :2
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 84) 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 84) 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 84) seen :1
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 83) 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 83) 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 83) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 82) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 82) seen :1
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 81) seen :1
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 80) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 79) 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 79) 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 78) 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 78) 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 78) 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 78) 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 78) 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 78) 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 78) 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 78) 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 78) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 77) 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 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 76) 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 76) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 75) 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 74) seen :1
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 73) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) 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 72) 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 72) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) 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 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 72) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 72) seen :2
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 70) seen :1
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 69) seen :1
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 68) 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 68) seen :1
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 67) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 67) 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 67) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 67) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 67) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 67) seen :1
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) 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 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) 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 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) 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 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 66) 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 66) seen :0
Running SMT prover for 66 properties.
[2023-03-21 15:32:35] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2023-03-21 15:32:35] [INFO ] Invariant cache hit.
[2023-03-21 15:32:35] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:38] [INFO ] After 2604ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:66
[2023-03-21 15:32:38] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:40] [INFO ] After 2006ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :66
[2023-03-21 15:32:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:42] [INFO ] After 2092ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :66
[2023-03-21 15:32:45] [INFO ] After 4775ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :66
Attempting to minimize the solution found.
Minimization took 1908 ms.
[2023-03-21 15:32:47] [INFO ] After 9315ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :66
Fused 66 Parikh solutions to 64 different solutions.
Parikh walk visited 0 properties in 34 ms.
Support contains 72 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 697/697 transitions.
Drop transitions removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Iterating post reduction 0 with 91 rules applied. Total rules applied 91 place count 272 transition count 606
Discarding 92 places :
Symmetric choice reduction at 1 with 92 rule applications. Total rules 183 place count 180 transition count 506
Iterating global reduction 1 with 92 rules applied. Total rules applied 275 place count 180 transition count 506
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 1 with 81 rules applied. Total rules applied 356 place count 180 transition count 425
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 367 place count 169 transition count 411
Iterating global reduction 2 with 11 rules applied. Total rules applied 378 place count 169 transition count 411
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 386 place count 169 transition count 403
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 389 place count 166 transition count 394
Iterating global reduction 3 with 3 rules applied. Total rules applied 392 place count 166 transition count 394
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 395 place count 163 transition count 382
Iterating global reduction 3 with 3 rules applied. Total rules applied 398 place count 163 transition count 382
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 401 place count 160 transition count 364
Iterating global reduction 3 with 3 rules applied. Total rules applied 404 place count 160 transition count 364
Performed 9 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 422 place count 151 transition count 353
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 427 place count 151 transition count 348
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -12
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 435 place count 147 transition count 360
Drop transitions removed 46 transitions
Redundant transition composition rules discarded 46 transitions
Iterating global reduction 4 with 46 rules applied. Total rules applied 481 place count 147 transition count 314
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 482 place count 147 transition count 313
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 483 place count 146 transition count 313
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 6 with 2 rules applied. Total rules applied 485 place count 145 transition count 312
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 487 place count 145 transition count 310
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 488 place count 145 transition count 309
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 489 place count 144 transition count 309
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 490 place count 144 transition count 308
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 491 place count 143 transition count 308
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 492 place count 143 transition count 307
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 9 with 6 rules applied. Total rules applied 498 place count 143 transition count 307
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 500 place count 143 transition count 305
Partial Post-agglomeration rule applied 7 times.
Drop transitions removed 7 transitions
Iterating global reduction 9 with 7 rules applied. Total rules applied 507 place count 143 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 9 with 3 rules applied. Total rules applied 510 place count 143 transition count 302
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 514 place count 143 transition count 298
Applied a total of 514 rules in 125 ms. Remains 143 /272 variables (removed 129) and now considering 298/697 (removed 399) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 143/272 places, 298/697 transitions.
Incomplete random walk after 1000000 steps, including 123683 resets, run finished after 4771 ms. (steps per millisecond=209 ) properties (out of 66) seen :65
Incomplete Best-First random walk after 1000001 steps, including 18895 resets, run finished after 468 ms. (steps per millisecond=2136 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:32:52] [INFO ] Flow matrix only has 278 transitions (discarded 20 similar events)
// Phase 1: matrix 278 rows 143 cols
[2023-03-21 15:32:52] [INFO ] Computed 5 place invariants in 5 ms
[2023-03-21 15:32:52] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-21 15:32:52] [INFO ] After 97ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:32:52] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:53] [INFO ] After 52ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:53] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 15:32:53] [INFO ] After 18ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:53] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-21 15:32:53] [INFO ] After 141ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 10 ms.
Support contains 6 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 298/298 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 143 transition count 292
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 137 transition count 292
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 12 place count 137 transition count 289
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 18 place count 134 transition count 289
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 27 place count 125 transition count 276
Iterating global reduction 2 with 9 rules applied. Total rules applied 36 place count 125 transition count 276
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 39 place count 125 transition count 273
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 77 place count 106 transition count 254
Drop transitions removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 91 place count 106 transition count 240
Discarding 14 places :
Symmetric choice reduction at 4 with 14 rule applications. Total rules 105 place count 92 transition count 226
Iterating global reduction 4 with 14 rules applied. Total rules applied 119 place count 92 transition count 226
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 125 place count 92 transition count 220
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 5 with 20 rules applied. Total rules applied 145 place count 82 transition count 210
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 155 place count 82 transition count 200
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 163 place count 74 transition count 192
Iterating global reduction 6 with 8 rules applied. Total rules applied 171 place count 74 transition count 192
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 179 place count 74 transition count 184
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 195 place count 66 transition count 184
Drop transitions removed 8 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 16 rules applied. Total rules applied 211 place count 66 transition count 168
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 219 place count 58 transition count 160
Iterating global reduction 8 with 8 rules applied. Total rules applied 227 place count 58 transition count 160
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 235 place count 58 transition count 152
Drop transitions removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 9 with 40 rules applied. Total rules applied 275 place count 58 transition count 112
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 277 place count 56 transition count 106
Iterating global reduction 9 with 2 rules applied. Total rules applied 279 place count 56 transition count 106
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 281 place count 54 transition count 104
Iterating global reduction 9 with 2 rules applied. Total rules applied 283 place count 54 transition count 104
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 285 place count 54 transition count 102
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 289 place count 52 transition count 100
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 291 place count 52 transition count 98
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 293 place count 52 transition count 96
Free-agglomeration rule applied 4 times.
Iterating global reduction 11 with 4 rules applied. Total rules applied 297 place count 52 transition count 92
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 301 place count 48 transition count 92
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 302 place count 47 transition count 91
Applied a total of 302 rules in 67 ms. Remains 47 /143 variables (removed 96) and now considering 91/298 (removed 207) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 47/143 places, 91/298 transitions.
Finished random walk after 13119 steps, including 1481 resets, run visited all 1 properties in 18 ms. (steps per millisecond=728 )
Able to resolve query QuasiLiveness after proving 264 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 20631 ms.
ITS solved all properties within timeout

BK_STOP 1679412774159

--------------------
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-402"
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-402, 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-167814495300107"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-402.tgz
mv CloudReconfiguration-PT-402 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 ;