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-oct2-177944369600092.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 Anderson-PT-04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369600092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 8.1K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 157K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 103K 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 1779653911267

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 20:18:32] [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 20:18:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:18:33] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2026-05-24 20:18:33] [INFO ] Transformed 105 places.
[2026-05-24 20:18:33] [INFO ] Transformed 200 transitions.
[2026-05-24 20:18:33] [INFO ] Found NUPN structural information;
[2026-05-24 20:18:33] [INFO ] Parsed PT model containing 105 places and 200 transitions and 752 arcs in 232 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 105/105 places, 200/200 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 105 transition count 188
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 93 transition count 188
Applied a total of 24 rules in 30 ms. Remains 93 /105 variables (removed 12) and now considering 188/200 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4745345406924809074.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3997925716579494815.kers'
[2026-05-24 20:18:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4745345406924809074.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3997925716579494815.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 188 rows 93 cols 696 entries
Finished phase 1 with 40 SingleSign rule and 42 generalized
[2026-05-24 20:18:33] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3997925716579494815.kers
Total runtime 3 ms.
[2026-05-24 20:18:34] [INFO ] Implicit Places using invariants in 964 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1023 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 92/105 places, 188/200 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 0 with 16 rules applied. Total rules applied 16 place count 92 transition count 172
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 76 transition count 172
Applied a total of 32 rules in 15 ms. Remains 76 /92 variables (removed 16) and now considering 172/188 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1602221286308677500.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17438607709435926637.kers'
[2026-05-24 20:18:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1602221286308677500.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17438607709435926637.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 172 rows 76 cols 632 entries
Finished phase 1 with 40 SingleSign rule and 26 generalized
[2026-05-24 20:18:34] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17438607709435926637.kers
Total runtime 1 ms.
[2026-05-24 20:18:35] [INFO ] Implicit Places using invariants in 1101 ms returned []
[2026-05-24 20:18:35] [INFO ] Invariant cache hit.
[2026-05-24 20:18:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-24 20:18:37] [INFO ] Implicit Places using invariants and state equation in 1668 ms returned []
Implicit Place search using SMT with State Equation took 2774 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 76/105 places, 172/200 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 3858 ms. Remains : 76/105 places, 172/200 transitions.
Initial state reduction rules removed 4 formulas.
[2026-05-24 20:18:37] [INFO ] Flatten gal took : 98 ms
[2026-05-24 20:18:37] [INFO ] Flatten gal took : 55 ms
[2026-05-24 20:18:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2041289643176594735.gal : 14 ms
[2026-05-24 20:18:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4606208964956217165.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/ReachabilityCardinality2041289643176594735.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4606208964956217165.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/ReachabilityCardinality4606208964956217165.prop.
Reachability property qltransition_154 is true.
Reachability property qltransition_148 is true.
Reachability property qltransition_86 is true.
Reachability property qltransition_85 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,160 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_160 is true.
Reachability property qltransition_87 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,156 properties remain. new max is 2
SDD size :5 after 12
SDD proceeding with computation,156 properties remain. new max is 4
SDD size :12 after 16
Reachability property qltransition_166 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,152 properties remain. new max is 4
SDD size :16 after 30
SDD proceeding with computation,152 properties remain. new max is 8
SDD size :30 after 40
Reachability property qltransition_124 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_112 is true.
SDD proceeding with computation,148 properties remain. new max is 8
SDD size :40 after 65
Reachability property qltransition_144 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_132 is true.
SDD proceeding with computation,144 properties remain. new max is 8
SDD size :65 after 165
Reachability property qltransition_168 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_150 is true.
Reachability property qltransition_88 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_32 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,136 properties remain. new max is 8
SDD size :165 after 248
SDD proceeding with computation,136 properties remain. new max is 16
SDD size :248 after 254
SDD proceeding with computation,136 properties remain. new max is 32
SDD size :254 after 260
Reachability property qltransition_145 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_133 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_113 is true.
SDD proceeding with computation,128 properties remain. new max is 32
SDD size :260 after 450
Reachability property qltransition_170 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_152 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_94 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_40 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_38 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_36 is true.
Reachability property qltransition_35 is true.
Reachability property qltransition_12 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,100 properties remain. new max is 32
SDD size :450 after 614
SDD proceeding with computation,100 properties remain. new max is 64
SDD size :614 after 632
SDD proceeding with computation,100 properties remain. new max is 128
SDD size :632 after 656
RANDOM walk for 40000 steps (8 resets) in 3886 ms. (10 steps per ms) remains 3/168 properties
Reachability property qltransition_142 is true.
Reachability property qltransition_138 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_129 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_89 is true.
BEST_FIRST walk for 40003 steps (8 resets) in 184 ms. (216 steps per ms) remains 2/3 properties
Reachability property qltransition_76 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_33 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
Reachability property qltransition_18 is true.
BEST_FIRST walk for 40000 steps (8 resets) in 79 ms. (500 steps per ms) remains 1/2 properties
Reachability property qltransition_17 is true.
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_5 is true.
BEST_FIRST walk for 5920 steps (0 resets) in 17 ms. (328 steps per ms) remains 0/1 properties
SDD proceeding with computation,64 properties remain. new max is 128
SDD size :656 after 1277
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 172 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5387 ms.

BK_STOP 1779653918328

--------------------
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="Anderson-PT-04"
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 Anderson-PT-04, 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-oct2-177944369600092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-04.tgz
mv Anderson-PT-04 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 ;