fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r180-ebro-158987899600046
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for CloudReconfiguration-PT-306

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15741.500 3600000.00 64210.00 149.00 TTTTFFFFFFFTFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r180-ebro-158987899600046.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is CloudReconfiguration-PT-306, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-ebro-158987899600046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 840K
-rw-r--r-- 1 mcc users 3.9K Mar 30 01:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 30 01:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 28 16:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 8 14:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 8 14:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 27 08:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 08:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 26 08:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 26 08:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 660K Mar 24 05:37 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-00
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-01
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-02
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-03
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-04
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-05
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-06
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-07
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-08
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-09
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-10
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-11
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-12
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-13
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-14
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591135371107

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-02 22:02:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-02 22:02:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-02 22:02:55] [INFO ] Load time of PNML (sax parser for PT used): 319 ms
[2020-06-02 22:02:55] [INFO ] Transformed 2584 places.
[2020-06-02 22:02:55] [INFO ] Transformed 3094 transitions.
[2020-06-02 22:02:55] [INFO ] Found NUPN structural information;
[2020-06-02 22:02:55] [INFO ] Parsed PT model containing 2584 places and 3094 transitions in 421 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 169 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 108 resets, run finished after 133 ms. (steps per millisecond=75 ) properties seen :[0, 0, 0, 0, 0, 1, 1, 0, 0, 0]
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 49 ms. (steps per millisecond=204 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 42 resets, run finished after 87 ms. (steps per millisecond=114 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 30 ms. (steps per millisecond=333 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 42 resets, run finished after 32 ms. (steps per millisecond=312 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 36 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 1, 0, 0, 0, 0, 0]
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 27 ms. (steps per millisecond=370 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 33 ms. (steps per millisecond=303 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 3094 rows 2584 cols
[2020-06-02 22:02:56] [INFO ] Computed 4 place invariants in 137 ms
[2020-06-02 22:02:57] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 132 ms returned sat
[2020-06-02 22:02:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:01] [INFO ] [Real]Absence check using state equation in 4046 ms returned (error "Solver has unexpectedly terminated")
[2020-06-02 22:03:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 111 ms returned sat
[2020-06-02 22:03:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:06] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 22:03:06] [INFO ] [Real]Absence check using state equation in 4379 ms returned (error "Failed to check-sat")
[2020-06-02 22:03:06] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 109 ms returned sat
[2020-06-02 22:03:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 22:03:11] [INFO ] [Real]Absence check using state equation in 4432 ms returned (error "Failed to check-sat")
[2020-06-02 22:03:11] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 109 ms returned sat
[2020-06-02 22:03:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 22:03:16] [INFO ] [Real]Absence check using state equation in 4377 ms returned (error "Failed to check-sat")
[2020-06-02 22:03:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 115 ms returned sat
[2020-06-02 22:03:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:21] [INFO ] [Real]Absence check using state equation in 4418 ms returned (error "Solver has unexpectedly terminated")
[2020-06-02 22:03:22] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 114 ms returned sat
[2020-06-02 22:03:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:26] [INFO ] [Real]Absence check using state equation in 4291 ms returned (error "Solver has unexpectedly terminated")
[2020-06-02 22:03:27] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 111 ms returned sat
[2020-06-02 22:03:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:31] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 22:03:31] [INFO ] [Real]Absence check using state equation in 4400 ms returned (error "Failed to check-sat")
Support contains 23 out of 2584 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2901 edges and 2584 vertex of which 855 / 2584 are part of one of the 61 SCC in 50 ms
Free SCC test removed 794 places
Discarding 14 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Graph (complete) has 2404 edges and 1790 vertex of which 1776 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.28 ms
Drop transitions removed 976 transitions
Reduce isomorphic transitions removed 976 transitions.
Performed 1178 Post agglomeration using F-continuation condition.Transition count delta: 1178
Iterating post reduction 0 with 2154 rules applied. Total rules applied 2156 place count 1776 transition count 930
Reduce places removed 1178 places and 0 transitions.
Ensure Unique test removed 77 transitions
Reduce isomorphic transitions removed 77 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Iterating post reduction 1 with 1316 rules applied. Total rules applied 3472 place count 598 transition count 792
Reduce places removed 61 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 2 with 72 rules applied. Total rules applied 3544 place count 537 transition count 781
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 6 rules applied. Total rules applied 3550 place count 533 transition count 779
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 3554 place count 532 transition count 776
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 3556 place count 530 transition count 776
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 23 Pre rules applied. Total rules applied 3556 place count 530 transition count 753
Deduced a syphon composed of 23 places in 2 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 6 with 46 rules applied. Total rules applied 3602 place count 507 transition count 753
Symmetric choice reduction at 6 with 83 rule applications. Total rules 3685 place count 507 transition count 753
Deduced a syphon composed of 83 places in 3 ms
Reduce places removed 83 places and 83 transitions.
Iterating global reduction 6 with 166 rules applied. Total rules applied 3851 place count 424 transition count 670
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 8 Pre rules applied. Total rules applied 3851 place count 424 transition count 662
Deduced a syphon composed of 8 places in 3 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 6 with 16 rules applied. Total rules applied 3867 place count 416 transition count 662
Symmetric choice reduction at 6 with 61 rule applications. Total rules 3928 place count 416 transition count 662
Deduced a syphon composed of 61 places in 1 ms
Reduce places removed 61 places and 61 transitions.
Iterating global reduction 6 with 122 rules applied. Total rules applied 4050 place count 355 transition count 601
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Iterating post reduction 6 with 35 rules applied. Total rules applied 4085 place count 355 transition count 566
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 7 with 27 rules applied. Total rules applied 4112 place count 338 transition count 556
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 4117 place count 333 transition count 556
Symmetric choice reduction at 9 with 19 rule applications. Total rules 4136 place count 333 transition count 556
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 29 transitions.
Iterating global reduction 9 with 38 rules applied. Total rules applied 4174 place count 314 transition count 527
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 9 with 8 rules applied. Total rules applied 4182 place count 314 transition count 519
Symmetric choice reduction at 10 with 8 rule applications. Total rules 4190 place count 314 transition count 519
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 16 transitions.
Iterating global reduction 10 with 16 rules applied. Total rules applied 4206 place count 306 transition count 503
Symmetric choice reduction at 10 with 3 rule applications. Total rules 4209 place count 306 transition count 503
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 6 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 4215 place count 303 transition count 497
Performed 145 Post agglomeration using F-continuation condition with reduction of 69 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 10 with 290 rules applied. Total rules applied 4505 place count 158 transition count 283
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 4506 place count 158 transition count 282
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 4508 place count 157 transition count 281
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 4510 place count 157 transition count 279
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 12 with 2 rules applied. Total rules applied 4512 place count 156 transition count 278
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 4514 place count 156 transition count 276
Performed 35 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 13 with 70 rules applied. Total rules applied 4584 place count 121 transition count 286
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 13 with 28 rules applied. Total rules applied 4612 place count 121 transition count 258
Symmetric choice reduction at 14 with 10 rule applications. Total rules 4622 place count 121 transition count 258
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 25 transitions.
Iterating global reduction 14 with 20 rules applied. Total rules applied 4642 place count 111 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 4643 place count 111 transition count 232
Symmetric choice reduction at 15 with 1 rule applications. Total rules 4644 place count 111 transition count 232
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 5 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 4646 place count 110 transition count 227
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 4648 place count 110 transition count 225
Symmetric choice reduction at 16 with 1 rule applications. Total rules 4649 place count 110 transition count 225
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 4651 place count 109 transition count 224
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 4653 place count 109 transition count 222
Free-agglomeration rule applied 10 times.
Iterating global reduction 17 with 10 rules applied. Total rules applied 4663 place count 109 transition count 212
Reduce places removed 10 places and 0 transitions.
Drop transitions removed 3 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 17 with 15 rules applied. Total rules applied 4678 place count 99 transition count 207
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 18 with 3 rules applied. Total rules applied 4681 place count 99 transition count 207
Partial Post-agglomeration rule applied 7 times.
Drop transitions removed 7 transitions
Iterating global reduction 18 with 7 rules applied. Total rules applied 4688 place count 99 transition count 207
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 18 with 4 rules applied. Total rules applied 4692 place count 99 transition count 203
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 19 with 7 rules applied. Total rules applied 4699 place count 99 transition count 196
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 4700 place count 98 transition count 195
Applied a total of 4700 rules in 968 ms. Remains 98 /2584 variables (removed 2486) and now considering 195/3094 (removed 2899) transitions.
Finished structural reductions, in 1 iterations. Remains : 98/2584 places, 195/3094 transitions.
Incomplete random walk after 1000000 steps, including 26941 resets, run finished after 2569 ms. (steps per millisecond=389 ) properties seen :[0, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 8011 resets, run finished after 1238 ms. (steps per millisecond=807 ) properties seen :[0]
[2020-06-02 22:03:36] [INFO ] Flow matrix only has 169 transitions (discarded 26 similar events)
// Phase 1: matrix 169 rows 98 cols
[2020-06-02 22:03:36] [INFO ] Computed 4 place invariants in 3 ms
[2020-06-02 22:03:36] [INFO ] [Real]Absence check using 4 positive place invariants in 6 ms returned sat
[2020-06-02 22:03:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 22:03:36] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2020-06-02 22:03:36] [INFO ] Solution in real domain found non-integer solution.
[2020-06-02 22:03:36] [INFO ] [Nat]Absence check using 4 positive place invariants in 12 ms returned unsat
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
All properties solved without resorting to model-checking.

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

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-306"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is CloudReconfiguration-PT-306, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r180-ebro-158987899600046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-306.tgz
mv CloudReconfiguration-PT-306 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;