Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372800302.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is AutoFlight-PT-03b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372800302
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.6K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 16:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 70K Mar 3 18:30 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 1779688796569

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-03b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:59:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:59:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:59:58] [INFO ] Load time of PNML (sax parser for PT used): 79 ms
[2026-05-25 05:59:58] [INFO ] Transformed 298 places.
[2026-05-25 05:59:58] [INFO ] Transformed 296 transitions.
[2026-05-25 05:59:58] [INFO ] Found NUPN structural information;
[2026-05-25 05:59:58] [INFO ] Parsed PT model containing 298 places and 296 transitions and 692 arcs in 197 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 298/298 places, 296/296 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 115 transitions
Trivial Post-agglo rules discarded 115 transitions
Performed 115 trivial Post agglomeration. Transition count delta: 115
Iterating post reduction 0 with 115 rules applied. Total rules applied 115 place count 298 transition count 181
Reduce places removed 115 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 136 rules applied. Total rules applied 251 place count 183 transition count 160
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 257 place count 177 transition count 160
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 43 Pre rules applied. Total rules applied 257 place count 177 transition count 117
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 3 with 86 rules applied. Total rules applied 343 place count 134 transition count 117
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 455 place count 78 transition count 61
Applied a total of 455 rules in 50 ms. Remains 78 /298 variables (removed 220) and now considering 61/296 (removed 235) transitions.
// Phase 1: matrix 61 rows 78 cols
[2026-05-25 05:59:58] [INFO ] Computed 22 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:58] [INFO ] Implicit Places using invariants in 334 ms returned [24, 27, 30, 77]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 366 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/298 places, 61/296 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 74 transition count 58
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 71 transition count 58
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 16 place count 66 transition count 53
Applied a total of 16 rules in 4 ms. Remains 66 /74 variables (removed 8) and now considering 53/61 (removed 8) transitions.
// Phase 1: matrix 53 rows 66 cols
[2026-05-25 05:59:58] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:58] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-25 05:59:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:59:58] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 05:59:59] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 66/298 places, 53/296 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 736 ms. Remains : 66/298 places, 53/296 transitions.
Discarding 12 transitions out of 53. Remains 41
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2508 resets) in 1142 ms. (34 steps per ms) remains 6/40 properties
BEST_FIRST walk for 40004 steps (314 resets) in 212 ms. (187 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (311 resets) in 223 ms. (178 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (327 resets) in 174 ms. (228 steps per ms) remains 6/6 properties
[2026-05-25 05:59:59] [INFO ] Flatten gal took : 47 ms
[2026-05-25 05:59:59] [INFO ] Flatten gal took : 10 ms
BEST_FIRST walk for 40004 steps (327 resets) in 84 ms. (470 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (323 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
[2026-05-25 05:59:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13838582699041603904.gal : 18 ms
[2026-05-25 05:59:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4563283704409785347.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13838582699041603904.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4563283704409785347.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (328 resets) in 111 ms. (357 steps per ms) remains 6/6 properties

[2026-05-25 05:59:59] [INFO ] Invariant cache hit.
[2026-05-25 05:59:59] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4563283704409785347.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :10 after 109
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :109 after 5752
Reachability property qltransition_31 is true.
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :5752 after 5824
Reachability property qltransition_48 is true.
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :5824 after 6139
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :6139 after 7588
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :7588 after 20197
Reachability property qltransition_49 is true.
Reachability property qltransition_33 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_13 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,36289,0.035411,4364,2,539,18,3020,6,0,313,1781,0
Total reachable state count : 36289

Verifying 6 reachability properties.
Reachability property qltransition_13 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_13,432,0.035892,4492,2,170,18,3020,7,0,319,1781,0
Reachability property qltransition_15 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_15,864,0.036164,4620,2,178,18,3020,8,0,322,1781,0
Reachability property qltransition_31 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_31,1,0.0364,4620,2,67,18,3020,9,0,327,1781,0
Reachability property qltransition_33 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_33,1,0.036578,4620,2,67,18,3020,10,0,330,1781,0
Reachability property qltransition_48 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_48,9,0.036876,4620,2,95,18,3020,11,0,335,1781,0
Reachability property qltransition_49 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_49,9,0.037055,4620,2,95,18,3020,12,0,338,1781,0
After SMT solving in domain Real declared 9/119 variables, and 9 constraints, problems are : Problem set: 6 solved, 0 unsolved in 47 ms.
Refiners :[Domain max(s): 9/66 constraints, Positive P Invariants (semi-flows): 0/18 constraints, State Equation: 0/66 constraints, ReadFeed: 0/15 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 71ms problems are : Problem set: 6 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 41 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
Total runtime 1756 ms.

BK_STOP 1779688799873

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="AutoFlight-PT-03b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is AutoFlight-PT-03b, 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 r016-oct2-177944372800302"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-03b.tgz
mv AutoFlight-PT-03b 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.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 ;