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.r008-oct2-177944369900332.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 itstools
Input is AutoFlight-PT-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369900332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 7.2K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 07:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:14 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 134K 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 1779656067253

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-06b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:54:29] [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]
[2026-05-24 20:54:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:54:29] [INFO ] Load time of PNML (sax parser for PT used): 158 ms
[2026-05-24 20:54:29] [INFO ] Transformed 574 places.
[2026-05-24 20:54:29] [INFO ] Transformed 572 transitions.
[2026-05-24 20:54:29] [INFO ] Found NUPN structural information;
[2026-05-24 20:54:29] [INFO ] Parsed PT model containing 574 places and 572 transitions and 1334 arcs in 350 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 574/574 places, 572/572 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 226 transitions
Trivial Post-agglo rules discarded 226 transitions
Performed 226 trivial Post agglomeration. Transition count delta: 226
Iterating post reduction 0 with 226 rules applied. Total rules applied 226 place count 574 transition count 346
Reduce places removed 226 places and 0 transitions.
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 268 rules applied. Total rules applied 494 place count 348 transition count 304
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 506 place count 336 transition count 304
Performed 79 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 79 Pre rules applied. Total rules applied 506 place count 336 transition count 225
Deduced a syphon composed of 79 places in 16 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 3 with 158 rules applied. Total rules applied 664 place count 257 transition count 225
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 9 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 3 with 220 rules applied. Total rules applied 884 place count 147 transition count 115
Applied a total of 884 rules in 198 ms. Remains 147 /574 variables (removed 427) and now considering 115/572 (removed 457) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13996685096486961011.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2380262660075419922.kers'
[2026-05-24 20:54:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13996685096486961011.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2380262660075419922.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 115 rows 141 cols 370 entries
Finished phase 1 with 91 SingleSign rule and 16 generalized
[2026-05-24 20:54:30] [INFO ] Computed 40 invariants in 1 ms
Computed 40 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2380262660075419922.kers
Total runtime 2 ms.
[2026-05-24 20:54:31] [INFO ] Implicit Places using invariants in 812 ms returned [45, 48, 51, 54, 57, 60, 146]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 888 ms to find 7 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 140/574 places, 115/572 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 140 transition count 109
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 134 transition count 109
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 28 place count 126 transition count 101
Applied a total of 28 rules in 27 ms. Remains 126 /140 variables (removed 14) and now considering 101/115 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14543370478645008281.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1005253767841193823.kers'
[2026-05-24 20:54:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14543370478645008281.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1005253767841193823.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 101 rows 126 cols 318 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-24 20:54:31] [INFO ] Computed 33 invariants in 0 ms
Computed 33 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1005253767841193823.kers
Total runtime 1 ms.
[2026-05-24 20:54:31] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-05-24 20:54:31] [INFO ] Invariant cache hit.
[2026-05-24 20:54:31] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 20:54:32] [INFO ] Implicit Places using invariants and state equation in 947 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 126/574 places, 101/572 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2289 ms. Remains : 126/574 places, 101/572 transitions.
Discarding 24 transitions out of 101. Remains 77
Initial state reduction rules removed 1 formulas.
[2026-05-24 20:54:32] [INFO ] Flatten gal took : 67 ms
[2026-05-24 20:54:32] [INFO ] Flatten gal took : 27 ms
[2026-05-24 20:54:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7612002316694454359.gal : 7 ms
[2026-05-24 20:54:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8078543875473829518.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7612002316694454359.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8078543875473829518.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8078543875473829518.prop.
RANDOM walk for 40000 steps (1574 resets) in 1992 ms. (20 steps per ms) remains 15/76 properties
Reachability property qltransition_38 is true.
Reachability property qltransition_36 is true.
Reachability property qltransition_34 is true.
Reachability property qltransition_32 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_24 is true.
SDD proceeding with computation,68 properties remain. new max is 2
SDD size :1 after 4
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
SDD proceeding with computation,68 properties remain. new max is 4
SDD size :4 after 28
SDD proceeding with computation,68 properties remain. new max is 8
SDD size :28 after 730
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
SDD proceeding with computation,68 properties remain. new max is 16
SDD size :730 after 373249
Reachability property qltransition_78 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_64 is true.
BEST_FIRST walk for 4002 steps (10 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
Reachability property qltransition_59 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_40 is true.
SDD proceeding with computation,57 properties remain. new max is 16
SDD size :373249 after 9.95326e+06
BEST_FIRST walk for 4003 steps (11 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
Reachability property qltransition_50 is true.
Reachability property qltransition_44 is true.
SDD proceeding with computation,55 properties remain. new max is 16
SDD size :9.95326e+06 after 9.9534e+06
Reachability property qltransition_77 is true.
Reachability property qltransition_70 is true.
SDD proceeding with computation,53 properties remain. new max is 16
SDD size :9.9534e+06 after 9.95701e+06
Reachability property qltransition_63 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_49 is true.
SDD proceeding with computation,50 properties remain. new max is 16
SDD size :9.95701e+06 after 9.9579e+06
BEST_FIRST walk for 4004 steps (10 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
Reachability property qltransition_93 is true.
SDD proceeding with computation,49 properties remain. new max is 16
SDD size :9.9579e+06 after 9.97418e+06
SDD proceeding with computation,49 properties remain. new max is 32
SDD size :9.97418e+06 after 1.00369e+07
BEST_FIRST walk for 4004 steps (10 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
SDD proceeding with computation,49 properties remain. new max is 64
SDD size :1.00369e+07 after 1.13527e+07
BEST_FIRST walk for 4004 steps (11 resets) in 15 ms. (250 steps per ms) remains 15/15 properties
Reachability property qltransition_76 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_41 is true.
SDD proceeding with computation,39 properties remain. new max is 64
SDD size :1.13527e+07 after 6.17101e+07
BEST_FIRST walk for 4004 steps (12 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
Reachability property qltransition_94 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_43 is true.
SDD proceeding with computation,32 properties remain. new max is 64
SDD size :6.17101e+07 after 6.17227e+07
BEST_FIRST walk for 4004 steps (10 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
SDD proceeding with computation,32 properties remain. new max is 128
SDD size :6.17227e+07 after 6.2659e+07
BEST_FIRST walk for 4004 steps (10 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 11 ms. (333 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 14 ms. (266 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (11 resets) in 15 ms. (250 steps per ms) remains 14/14 properties
Reachability property qltransition_27 is true.
Reachability property qltransition_25 is true.
SDD proceeding with computation,30 properties remain. new max is 128
SDD size :6.2659e+07 after 1.16453e+08
ITS runner timed out or was interrupted.
Reachability property qltransition_95 is true.
Reachability property qltransition_82 is true.
Reachability property qltransition_42 is true.
SDD proceeding with computation,27 properties remain. new max is 128
SDD size :1.16453e+08 after 2.61274e+08
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 77 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3539 ms.

BK_STOP 1779656073052

--------------------
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
++ 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 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-06b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is AutoFlight-PT-06b, 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 r008-oct2-177944369900332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-06b.tgz
mv AutoFlight-PT-06b 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 ;