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.r015-oct2-177944372400068.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-12a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400068
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 8.0K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 16:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:15 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 85K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-00
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-01
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-02
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-03
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-04
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-05
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-06
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-07
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-08
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-09
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-10
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-11
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-12
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-13
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-14
FORMULA_NAME AutoFlight-PT-12a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685724574

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:08:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 05:08:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:08:46] [INFO ] Load time of PNML (sax parser for PT used): 119 ms
[2026-05-25 05:08:46] [INFO ] Transformed 307 places.
[2026-05-25 05:08:46] [INFO ] Transformed 305 transitions.
[2026-05-25 05:08:46] [INFO ] Found NUPN structural information;
[2026-05-25 05:08:46] [INFO ] Parsed PT model containing 307 places and 305 transitions and 980 arcs in 251 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Ensure Unique test removed 60 transitions
Reduce redundant transitions removed 60 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 245 rows 307 cols
[2026-05-25 05:08:46] [INFO ] Computed 76 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (200 resets) in 98 ms. (101 steps per ms)
FORMULA AutoFlight-PT-12a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-12a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (22 resets) in 36 ms. (540 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-25 05:08:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:08:46] [INFO ] [Real]Absence check using 75 positive place invariants in 49 ms returned sat
[2026-05-25 05:08:46] [INFO ] [Real]Absence check using 75 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 05:08:46] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-25 05:08:46] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-25 05:08:46] [INFO ] [Real]Added 60 Read/Feed constraints in 10 ms returned sat
[2026-05-25 05:08:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:08:47] [INFO ] [Nat]Absence check using 75 positive place invariants in 15 ms returned sat
[2026-05-25 05:08:47] [INFO ] [Nat]Absence check using 75 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:08:47] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2026-05-25 05:08:47] [INFO ] [Nat]Added 60 Read/Feed constraints in 9 ms returned sat
[2026-05-25 05:08:47] [INFO ] Computed and/alt/rep : 216/444/216 causal constraints (skipped 28 transitions) in 14 ms.
[2026-05-25 05:08:48] [INFO ] Added : 200 causal constraints over 40 iterations in 1172 ms. Result :sat
Minimization took 231 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:08:48] [INFO ] [Real]Absence check using 75 positive place invariants in 14 ms returned sat
[2026-05-25 05:08:48] [INFO ] [Real]Absence check using 75 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:08:48] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2026-05-25 05:08:48] [INFO ] [Real]Added 60 Read/Feed constraints in 7 ms returned sat
[2026-05-25 05:08:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:08:48] [INFO ] [Nat]Absence check using 75 positive place invariants in 28 ms returned sat
[2026-05-25 05:08:48] [INFO ] [Nat]Absence check using 75 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:08:49] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2026-05-25 05:08:49] [INFO ] [Nat]Added 60 Read/Feed constraints in 20 ms returned sat
[2026-05-25 05:08:49] [INFO ] Computed and/alt/rep : 216/444/216 causal constraints (skipped 28 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:50] [INFO ] Deduced a trap composed of 69 places in 128 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:50] [INFO ] Deduced a trap composed of 71 places in 98 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:50] [INFO ] Deduced a trap composed of 76 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:50] [INFO ] Deduced a trap composed of 77 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:50] [INFO ] Deduced a trap composed of 116 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:51] [INFO ] Deduced a trap composed of 82 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:51] [INFO ] Deduced a trap composed of 121 places in 73 ms of which 12 ms to minimize.
[2026-05-25 05:08:51] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 804 ms
[2026-05-25 05:08:51] [INFO ] Added : 160 causal constraints over 32 iterations in 2047 ms. Result :sat
Minimization took 119 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
FORMULA AutoFlight-PT-12a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
Support contains 1 out of 307 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p245) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 307/307 places, 244/244 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 0 with 34 rules applied. Total rules applied 34 place count 307 transition count 210
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 1 with 34 rules applied. Total rules applied 68 place count 273 transition count 210
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 68 place count 273 transition count 196
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 96 place count 259 transition count 196
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 144 place count 235 transition count 172
Free-agglomeration rule applied 24 times.
Iterating global reduction 2 with 24 rules applied. Total rules applied 168 place count 235 transition count 148
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 192 place count 211 transition count 148
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 193 place count 210 transition count 147
Reduce places removed 60 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 105 transitions
Trivial Post-agglo rules discarded 105 transitions
Performed 105 trivial Post agglomeration. Transition count delta: 105
Iterating post reduction 3 with 165 rules applied. Total rules applied 358 place count 150 transition count 42
Reduce places removed 105 places and 0 transitions.
Iterating post reduction 4 with 105 rules applied. Total rules applied 463 place count 45 transition count 42
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 14 Pre rules applied. Total rules applied 463 place count 45 transition count 28
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 491 place count 31 transition count 28
Applied a total of 491 rules in 76 ms. Remains 31 /307 variables (removed 276) and now considering 28/244 (removed 216) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 31/307 places, 28/244 transitions.
// Phase 1: matrix 28 rows 31 cols
[2026-05-25 05:08:51] [INFO ] Computed 16 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1]
FORMULA AutoFlight-PT-12a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (34470 resets) in 1636 ms. (610 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 05:08:53] [INFO ] Flatten gal took : 21 ms
[2026-05-25 05:08:53] [INFO ] Flatten gal took : 10 ms
[2026-05-25 05:08:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17232747560615526679.gal : 4 ms
[2026-05-25 05:08:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1508549187324042479.prop : 1 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/ReachabilityCardinality17232747560615526679.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1508549187324042479.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 7531 ms.

BK_STOP 1779685733508

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ 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 UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-12a"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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-12a, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r015-oct2-177944372400068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-12a.tgz
mv AutoFlight-PT-12a execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;