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.r002-oct2-177944366300485.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-03b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300485
=====================================================================

--------------------
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 positive values
NUM_VECTOR

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

=== Now, execution of the tool begins

BK_START 1779491286926

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-03b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-22 23:08:08] [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]
[2026-05-22 23:08:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:08:08] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2026-05-22 23:08:08] [INFO ] Transformed 298 places.
[2026-05-22 23:08:08] [INFO ] Transformed 296 transitions.
[2026-05-22 23:08:08] [INFO ] Found NUPN structural information;
[2026-05-22 23:08:08] [INFO ] Parsed PT model containing 298 places and 296 transitions and 692 arcs in 209 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12624877461020769597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14440900718809690233.kers'
[2026-05-22 23:08:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12624877461020769597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14440900718809690233.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 296 rows 298 cols 692 entries
Finished phase 1 with 271 SingleSign rule and 5 generalized
[2026-05-22 23:08:08] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14440900718809690233.kers
Total runtime 2 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 (62 resets) in 45 ms. (217 steps per ms)
FORMULA AutoFlight-PT-03b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-03b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (12 resets) in 41 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-22 23:08:09] [INFO ] Invariant cache hit.
[2026-05-22 23:08:09] [INFO ] [Real]Absence check using 21 positive place invariants in 27 ms returned sat
[2026-05-22 23:08:09] [INFO ] [Real]Absence check using 21 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 23:08:09] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2026-05-22 23:08:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 23:08:09] [INFO ] [Nat]Absence check using 21 positive place invariants in 25 ms returned sat
[2026-05-22 23:08:09] [INFO ] [Nat]Absence check using 21 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 23:08:10] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2026-05-22 23:08:10] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 830 ms
[2026-05-22 23:08:10] [INFO ] Computed and/alt/rep : 295/398/295 causal constraints (skipped 0 transitions) in 17 ms.
[2026-05-22 23:08:12] [INFO ] Added : 279 causal constraints over 56 iterations in 1652 ms. Result :sat
Minimization took 95 ms.
[2026-05-22 23:08:12] [INFO ] [Real]Absence check using 21 positive place invariants in 20 ms returned sat
[2026-05-22 23:08:12] [INFO ] [Real]Absence check using 21 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-22 23:08:13] [INFO ] [Real]Absence check using state equation in 289 ms returned sat
[2026-05-22 23:08:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 23:08:13] [INFO ] [Nat]Absence check using 21 positive place invariants in 11 ms returned sat
[2026-05-22 23:08:13] [INFO ] [Nat]Absence check using 21 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 23:08:13] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2026-05-22 23:08:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 202 ms
[2026-05-22 23:08:13] [INFO ] Computed and/alt/rep : 295/398/295 causal constraints (skipped 0 transitions) in 31 ms.
[2026-05-22 23:08:15] [INFO ] Added : 260 causal constraints over 52 iterations in 1749 ms. Result :sat
Minimization took 122 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
FORMULA AutoFlight-PT-03b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 298 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p198) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 298/298 places, 295/295 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 112 transitions
Trivial Post-agglo rules discarded 112 transitions
Performed 112 trivial Post agglomeration. Transition count delta: 112
Iterating post reduction 0 with 113 rules applied. Total rules applied 113 place count 297 transition count 182
Reduce places removed 113 places and 1 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 134 rules applied. Total rules applied 247 place count 184 transition count 160
Reduce places removed 8 places and 2 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 255 place count 176 transition count 158
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 257 place count 174 transition count 156
Reduce places removed 2 places and 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 259 place count 172 transition count 154
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 260 place count 171 transition count 153
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 261 place count 170 transition count 152
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 42 Pre rules applied. Total rules applied 261 place count 170 transition count 110
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 7 with 84 rules applied. Total rules applied 345 place count 128 transition count 110
Discarding 25 places :
Symmetric choice reduction at 7 with 25 rule applications. Total rules 370 place count 103 transition count 85
Iterating global reduction 7 with 25 rules applied. Total rules applied 395 place count 103 transition count 85
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 9 Pre rules applied. Total rules applied 395 place count 103 transition count 76
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 7 with 18 rules applied. Total rules applied 413 place count 94 transition count 76
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 7 with 46 rules applied. Total rules applied 459 place count 71 transition count 53
Free-agglomeration rule applied 12 times.
Iterating global reduction 7 with 12 rules applied. Total rules applied 471 place count 71 transition count 41
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 483 place count 59 transition count 41
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 484 place count 58 transition count 40
Reduce places removed 12 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 8 with 28 rules applied. Total rules applied 512 place count 46 transition count 24
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 9 with 16 rules applied. Total rules applied 528 place count 30 transition count 24
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 8 Pre rules applied. Total rules applied 528 place count 30 transition count 16
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 10 with 16 rules applied. Total rules applied 544 place count 22 transition count 16
Applied a total of 544 rules in 70 ms. Remains 22 /298 variables (removed 276) and now considering 16/295 (removed 279) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 22/298 places, 16/295 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7033148611030875316.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13824431721676344994.kers'
[2026-05-22 23:08:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7033148611030875316.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13824431721676344994.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 16 rows 17 cols 42 entries
Finished phase 1 with 11 SingleSign rule and 1 generalized
[2026-05-22 23:08:15] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13824431721676344994.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (71580 resets) in 781 ms. (1278 steps per ms)
FORMULA AutoFlight-PT-03b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (25679 resets) in 368 ms. (2710 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 8492 ms.

BK_STOP 1779491297041

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-03b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is AutoFlight-PT-03b, 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 r002-oct2-177944366300485"
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 [ "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 ;