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-167814497300107.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 ltsminxred
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 r119-tall-167814497300107
=====================================================================

--------------------
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 1679412731805

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-402
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:32:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:32:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:32:13] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2023-03-21 15:32:13] [INFO ] Transformed 3554 places.
[2023-03-21 15:32:13] [INFO ] Transformed 4263 transitions.
[2023-03-21 15:32:13] [INFO ] Found NUPN structural information;
[2023-03-21 15:32:13] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 239 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 15 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 163 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2023-03-21 15:32:13] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2023-03-21 15:32:13] [INFO ] Computed 5 place invariants in 23 ms
[2023-03-21 15:32:14] [INFO ] Implicit Places using invariants in 468 ms returned []
[2023-03-21 15:32:14] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2023-03-21 15:32:14] [INFO ] Invariant cache hit.
[2023-03-21 15:32:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:14] [INFO ] Implicit Places using invariants and state equation in 444 ms returned [93, 211, 270]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 937 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 9 ms. Remains 272 /275 variables (removed 3) and now considering 697/700 (removed 3) transitions.
[2023-03-21 15:32:14] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
// Phase 1: matrix 587 rows 272 cols
[2023-03-21 15:32:14] [INFO ] Computed 2 place invariants in 8 ms
[2023-03-21 15:32:14] [INFO ] Implicit Places using invariants in 117 ms returned []
[2023-03-21 15:32:14] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2023-03-21 15:32:14] [INFO ] Invariant cache hit.
[2023-03-21 15:32:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:14] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 444 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 1554 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 985 resets, run finished after 533 ms. (steps per millisecond=18 ) properties (out of 263) seen :182
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 81) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 81) seen :1
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 80) seen :1
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 79) seen :2
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 77) seen :1
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 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 76) 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 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 75) 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 75) 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 75) seen :3
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 72) 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 72) seen :2
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 70) seen :3
Incomplete Best-First random walk after 1001 steps, including 9 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 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 67) 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 67) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 67) 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 67) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 67) 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 67) 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 67) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 66) 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 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 66) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 66) 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 66) 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 66) seen :0
Incomplete Best-First random walk after 1000 steps, including 15 resets, run finished after 8 ms. (steps per millisecond=125 ) 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 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 7 ms. (steps per millisecond=143 ) 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
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 :1
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 65) 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 65) 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 65) 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 65) 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 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 65) 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 65) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 65) 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 65) 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 65) 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 65) 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 65) 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 65) 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 65) 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 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 65) 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 65) 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 65) 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 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 65) 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 65) 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 65) 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 65) 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 65) 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 65) 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 65) 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 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 65) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 65) 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 65) 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 65) 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 65) 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 65) 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 65) seen :0
Running SMT prover for 65 properties.
[2023-03-21 15:32:15] [INFO ] Flow matrix only has 587 transitions (discarded 110 similar events)
[2023-03-21 15:32:15] [INFO ] Invariant cache hit.
[2023-03-21 15:32:16] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:19] [INFO ] After 2171ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4 real:61
[2023-03-21 15:32:19] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:32:19] [INFO ] After 84ms SMT Verify possible using 10 Read/Feed constraints in real domain returned unsat :0 sat :0 real:65
[2023-03-21 15:32:19] [INFO ] After 2950ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:65
[2023-03-21 15:32:19] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:21] [INFO ] After 2133ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :65
[2023-03-21 15:32:23] [INFO ] After 2146ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :65
[2023-03-21 15:32:26] [INFO ] After 4927ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :65
Attempting to minimize the solution found.
Minimization took 1980 ms.
[2023-03-21 15:32:28] [INFO ] After 9616ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :65
Fused 65 Parikh solutions to 60 different solutions.
Parikh walk visited 0 properties in 31 ms.
Support contains 71 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 83 places :
Symmetric choice reduction at 1 with 83 rule applications. Total rules 174 place count 189 transition count 514
Iterating global reduction 1 with 83 rules applied. Total rules applied 257 place count 189 transition count 514
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 327 place count 189 transition count 444
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 338 place count 178 transition count 430
Iterating global reduction 2 with 11 rules applied. Total rules applied 349 place count 178 transition count 430
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 357 place count 178 transition count 422
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 360 place count 175 transition count 413
Iterating global reduction 3 with 3 rules applied. Total rules applied 363 place count 175 transition count 413
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 366 place count 172 transition count 401
Iterating global reduction 3 with 3 rules applied. Total rules applied 369 place count 172 transition count 401
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 372 place count 169 transition count 383
Iterating global reduction 3 with 3 rules applied. Total rules applied 375 place count 169 transition count 383
Performed 17 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 409 place count 152 transition count 361
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 417 place count 152 transition count 353
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 427 place count 147 transition count 365
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 428 place count 147 transition count 364
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 429 place count 146 transition count 362
Iterating global reduction 5 with 1 rules applied. Total rules applied 430 place count 146 transition count 362
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 431 place count 146 transition count 361
Drop transitions removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 6 with 43 rules applied. Total rules applied 474 place count 146 transition count 318
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 475 place count 146 transition count 317
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 476 place count 145 transition count 317
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 8 with 2 rules applied. Total rules applied 478 place count 144 transition count 316
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 480 place count 144 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 8 with 1 rules applied. Total rules applied 481 place count 144 transition count 313
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 482 place count 143 transition count 313
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 483 place count 143 transition count 312
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 484 place count 142 transition count 312
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 485 place count 142 transition count 311
Partial Free-agglomeration rule applied 12 times.
Drop transitions removed 12 transitions
Iterating global reduction 11 with 12 rules applied. Total rules applied 497 place count 142 transition count 311
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 11 with 4 rules applied. Total rules applied 501 place count 142 transition count 307
Partial Post-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 11 with 6 rules applied. Total rules applied 507 place count 142 transition count 307
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 509 place count 142 transition count 305
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 12 with 4 rules applied. Total rules applied 513 place count 142 transition count 301
Applied a total of 513 rules in 133 ms. Remains 142 /272 variables (removed 130) and now considering 301/697 (removed 396) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 142/272 places, 301/697 transitions.
Incomplete random walk after 1000000 steps, including 124999 resets, run finished after 4057 ms. (steps per millisecond=246 ) properties (out of 65) seen :64
Incomplete Best-First random walk after 1000001 steps, including 18879 resets, run finished after 449 ms. (steps per millisecond=2227 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:32:33] [INFO ] Flow matrix only has 280 transitions (discarded 21 similar events)
// Phase 1: matrix 280 rows 142 cols
[2023-03-21 15:32:33] [INFO ] Computed 5 place invariants in 7 ms
[2023-03-21 15:32:33] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-21 15:32:33] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:32:33] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 1 ms returned sat
[2023-03-21 15:32:33] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 15:32:33] [INFO ] After 11ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:33] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-21 15:32:33] [INFO ] After 131ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 8 ms.
Support contains 6 out of 142 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 142/142 places, 301/301 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 142 transition count 299
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 140 transition count 299
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 4 place count 140 transition count 295
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 12 place count 136 transition count 295
Discarding 20 places :
Symmetric choice reduction at 2 with 20 rule applications. Total rules 32 place count 116 transition count 272
Iterating global reduction 2 with 20 rules applied. Total rules applied 52 place count 116 transition count 272
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 66 place count 116 transition count 258
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 94 place count 102 transition count 244
Drop transitions removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 110 place count 102 transition count 228
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 122 place count 90 transition count 216
Iterating global reduction 4 with 12 rules applied. Total rules applied 134 place count 90 transition count 216
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 138 place count 90 transition count 212
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 154 place count 82 transition count 204
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 162 place count 82 transition count 196
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 170 place count 74 transition count 188
Iterating global reduction 6 with 8 rules applied. Total rules applied 178 place count 74 transition count 188
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 186 place count 74 transition count 180
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 200 place count 67 transition count 180
Drop transitions removed 7 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 212 place count 67 transition count 168
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 219 place count 60 transition count 161
Iterating global reduction 8 with 7 rules applied. Total rules applied 226 place count 60 transition count 161
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 8 with 7 rules applied. Total rules applied 233 place count 60 transition count 154
Drop transitions removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 9 with 40 rules applied. Total rules applied 273 place count 60 transition count 114
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 9 with 8 rules applied. Total rules applied 281 place count 56 transition count 110
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 285 place count 56 transition count 106
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 289 place count 56 transition count 102
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 293 place count 52 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 294 place count 51 transition count 101
Applied a total of 294 rules in 62 ms. Remains 51 /142 variables (removed 91) and now considering 101/301 (removed 200) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 51/142 places, 101/301 transitions.
Finished random walk after 27388 steps, including 3187 resets, run visited all 1 properties in 35 ms. (steps per millisecond=782 )
Able to resolve query QuasiLiveness after proving 264 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 20557 ms.
ITS solved all properties within timeout

BK_STOP 1679412754474

--------------------
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="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-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 r119-tall-167814497300107"
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 ;