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-167814495200102.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-401, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495200102
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.8K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 11:50 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 1679412700924

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-401
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:31:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:31:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:31:42] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2023-03-21 15:31:42] [INFO ] Transformed 3554 places.
[2023-03-21 15:31:42] [INFO ] Transformed 4263 transitions.
[2023-03-21 15:31:42] [INFO ] Found NUPN structural information;
[2023-03-21 15:31:42] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 236 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 148 ms. Remains 278 /3554 variables (removed 3276) and now considering 700/4263 (removed 3563) transitions.
[2023-03-21 15:31:43] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
// Phase 1: matrix 590 rows 278 cols
[2023-03-21 15:31:43] [INFO ] Computed 5 place invariants in 19 ms
[2023-03-21 15:31:43] [INFO ] Implicit Places using invariants in 302 ms returned []
[2023-03-21 15:31:43] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2023-03-21 15:31:43] [INFO ] Invariant cache hit.
[2023-03-21 15:31:43] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:31:43] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 1004 ms to find 0 implicit places.
[2023-03-21 15:31:43] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2023-03-21 15:31:43] [INFO ] Invariant cache hit.
[2023-03-21 15:31:44] [INFO ] Dead Transitions using invariants and state equation in 305 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 278/3554 places, 700/4263 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1459 ms. Remains : 278/3554 places, 700/4263 transitions.
Discarding 433 transitions out of 700. Remains 267
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 770 resets, run finished after 667 ms. (steps per millisecond=14 ) properties (out of 266) seen :171
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 95) 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 93) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 93) seen :1
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 92) 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 92) seen :2
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 90) seen :1
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 89) 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 89) seen :2
Incomplete Best-First random walk after 1000 steps, including 14 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 13 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 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 87) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 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 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 87) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 87) 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 87) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 87) 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 87) seen :1
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 86) 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 86) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 86) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 85) seen :2
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 83) 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 83) 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 83) 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 83) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 82) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 82) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 82) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 82) seen :2
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 80) seen :3
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 77) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 77) seen :2
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 75) seen :1
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 74) seen :2
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 72) 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 71) 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 71) 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 71) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 71) seen :2
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 69) 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 69) 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 69) 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 69) 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 69) 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 69) 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 69) seen :1
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=333 ) 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 :0
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 :2
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 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 6 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 3 ms. (steps per millisecond=333 ) properties (out of 66) 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 66) seen :1
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 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 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 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 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 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 6 ms. (steps per millisecond=166 ) 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 :1
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 64) 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 64) 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 64) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 64) 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 64) 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 64) seen :0
Running SMT prover for 64 properties.
[2023-03-21 15:31:45] [INFO ] Flow matrix only has 590 transitions (discarded 110 similar events)
[2023-03-21 15:31:45] [INFO ] Invariant cache hit.
[2023-03-21 15:31:45] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 4 ms returned sat
[2023-03-21 15:31:48] [INFO ] After 2212ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:62
[2023-03-21 15:31:48] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-21 15:31:48] [INFO ] After 43ms SMT Verify possible using 10 Read/Feed constraints in real domain returned unsat :0 sat :0 real:64
[2023-03-21 15:31:48] [INFO ] After 2953ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:64
[2023-03-21 15:31:48] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 3 ms returned sat
[2023-03-21 15:31:51] [INFO ] After 2215ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :64
[2023-03-21 15:31:53] [INFO ] After 2212ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :64
[2023-03-21 15:31:56] [INFO ] After 5020ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :64
Attempting to minimize the solution found.
Minimization took 2174 ms.
[2023-03-21 15:31:58] [INFO ] After 10032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :64
Fused 64 Parikh solutions to 62 different solutions.
Parikh walk visited 0 properties in 31 ms.
Support contains 70 out of 278 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 278/278 places, 700/700 transitions.
Drop transitions removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 88 place count 278 transition count 612
Discarding 88 places :
Symmetric choice reduction at 1 with 88 rule applications. Total rules 176 place count 190 transition count 515
Iterating global reduction 1 with 88 rules applied. Total rules applied 264 place count 190 transition count 515
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Iterating post reduction 1 with 76 rules applied. Total rules applied 340 place count 190 transition count 439
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 351 place count 179 transition count 425
Iterating global reduction 2 with 11 rules applied. Total rules applied 362 place count 179 transition count 425
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 370 place count 179 transition count 417
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 373 place count 176 transition count 408
Iterating global reduction 3 with 3 rules applied. Total rules applied 376 place count 176 transition count 408
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 379 place count 173 transition count 396
Iterating global reduction 3 with 3 rules applied. Total rules applied 382 place count 173 transition count 396
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 385 place count 170 transition count 378
Iterating global reduction 3 with 3 rules applied. Total rules applied 388 place count 170 transition count 378
Performed 16 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 420 place count 154 transition count 359
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 431 place count 154 transition count 348
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
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 441 place count 149 transition count 349
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 442 place count 149 transition count 348
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 443 place count 148 transition count 346
Iterating global reduction 5 with 1 rules applied. Total rules applied 444 place count 148 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 445 place count 148 transition count 345
Drop transitions removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 6 with 45 rules applied. Total rules applied 490 place count 148 transition count 300
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 491 place count 148 transition count 299
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 492 place count 147 transition count 299
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 494 place count 146 transition count 298
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 496 place count 146 transition count 296
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 497 place count 146 transition count 295
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 498 place count 145 transition count 295
Free-agglomeration rule applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 499 place count 145 transition count 294
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 500 place count 144 transition count 294
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 501 place count 144 transition count 293
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 11 with 6 rules applied. Total rules applied 507 place count 144 transition count 293
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 509 place count 144 transition count 291
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 11 with 3 rules applied. Total rules applied 512 place count 144 transition count 291
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 514 place count 144 transition count 289
Applied a total of 514 rules in 136 ms. Remains 144 /278 variables (removed 134) and now considering 289/700 (removed 411) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 144/278 places, 289/700 transitions.
Incomplete random walk after 1000000 steps, including 94905 resets, run finished after 4409 ms. (steps per millisecond=226 ) properties (out of 64) seen :63
Incomplete Best-First random walk after 1000000 steps, including 27139 resets, run finished after 568 ms. (steps per millisecond=1760 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:32:03] [INFO ] Flow matrix only has 270 transitions (discarded 19 similar events)
// Phase 1: matrix 270 rows 144 cols
[2023-03-21 15:32:03] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-21 15:32:03] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-21 15:32:03] [INFO ] After 105ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:32:03] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-21 15:32:03] [INFO ] After 55ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:03] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:32:03] [INFO ] After 10ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:32:03] [INFO ] After 25ms 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 15:32:03] [INFO ] After 137ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 6 out of 144 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 144/144 places, 289/289 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 144 transition count 288
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 143 transition count 288
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 2 place count 143 transition count 285
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 140 transition count 285
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 21 place count 127 transition count 269
Iterating global reduction 2 with 13 rules applied. Total rules applied 34 place count 127 transition count 269
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 42 place count 127 transition count 261
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 76 place count 110 transition count 244
Drop transitions removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 90 place count 110 transition count 230
Discarding 14 places :
Symmetric choice reduction at 4 with 14 rule applications. Total rules 104 place count 96 transition count 216
Iterating global reduction 4 with 14 rules applied. Total rules applied 118 place count 96 transition count 216
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 124 place count 96 transition count 210
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 144 place count 86 transition count 200
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 154 place count 86 transition count 190
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 162 place count 78 transition count 182
Iterating global reduction 6 with 8 rules applied. Total rules applied 170 place count 78 transition count 182
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 178 place count 78 transition count 174
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 192 place count 71 transition count 174
Drop transitions removed 7 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 205 place count 71 transition count 161
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 212 place count 64 transition count 154
Iterating global reduction 8 with 7 rules applied. Total rules applied 219 place count 64 transition count 154
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 8 with 7 rules applied. Total rules applied 226 place count 64 transition count 147
Drop transitions removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 9 with 40 rules applied. Total rules applied 266 place count 64 transition count 107
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 268 place count 62 transition count 101
Iterating global reduction 9 with 2 rules applied. Total rules applied 270 place count 62 transition count 101
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 272 place count 60 transition count 99
Iterating global reduction 9 with 2 rules applied. Total rules applied 274 place count 60 transition count 99
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 276 place count 60 transition count 97
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 280 place count 58 transition count 95
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 282 place count 58 transition count 93
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 284 place count 58 transition count 91
Free-agglomeration rule applied 4 times.
Iterating global reduction 11 with 4 rules applied. Total rules applied 288 place count 58 transition count 87
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 292 place count 54 transition count 87
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 293 place count 53 transition count 86
Applied a total of 293 rules in 69 ms. Remains 53 /144 variables (removed 91) and now considering 86/289 (removed 203) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 53/144 places, 86/289 transitions.
Finished random walk after 208077 steps, including 21268 resets, run visited all 1 properties in 229 ms. (steps per millisecond=908 )
Able to resolve query QuasiLiveness after proving 267 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 21809 ms.
ITS solved all properties within timeout

BK_STOP 1679412725102

--------------------
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-401"
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-401, 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-167814495200102"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-401.tgz
mv CloudReconfiguration-PT-401 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 ;