Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698800537.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 DoubleExponent-PT-002, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800537
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.8K Mar 6 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 6 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 168K Mar 6 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 6 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:36 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 33K 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 1779610612072

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DoubleExponent-PT-002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 08:16:53] [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 08:16:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:16:53] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2026-05-24 08:16:53] [INFO ] Transformed 110 places.
[2026-05-24 08:16:53] [INFO ] Transformed 98 transitions.
[2026-05-24 08:16:53] [INFO ] Parsed PT model containing 110 places and 98 transitions and 276 arcs in 144 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 110/110 places, 98/98 transitions.
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 106 transition count 74
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 52 place count 82 transition count 74
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 52 place count 82 transition count 70
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 60 place count 78 transition count 70
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 104 place count 56 transition count 48
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 108 place count 54 transition count 48
Applied a total of 108 rules in 41 ms. Remains 54 /110 variables (removed 56) and now considering 48/98 (removed 50) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13242107005950130397.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5233201615961629137.kers'
[2026-05-24 08:16:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13242107005950130397.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5233201615961629137.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 54 cols 183 entries
Finished phase 1 with 32 SingleSign rule and 11 generalized
[2026-05-24 08:16:53] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5233201615961629137.kers
Total runtime 2 ms.
[2026-05-24 08:16:53] [INFO ] Implicit Places using invariants in 219 ms returned [36, 37]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 248 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 52/110 places, 48/98 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 52 transition count 47
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 51 transition count 47
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 48 transition count 44
Applied a total of 8 rules in 4 ms. Remains 48 /52 variables (removed 4) and now considering 44/48 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14130959938187394075.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18109764951046729611.kers'
[2026-05-24 08:16:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14130959938187394075.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18109764951046729611.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 48 cols 167 entries
Finished phase 1 with 29 SingleSign rule and 10 generalized
[2026-05-24 08:16:53] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18109764951046729611.kers
Total runtime 0 ms.
[2026-05-24 08:16:53] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-24 08:16:53] [INFO ] Invariant cache hit.
[2026-05-24 08:16:53] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-24 08:16:53] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 48/110 places, 44/98 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 495 ms. Remains : 48/110 places, 44/98 transitions.
Discarding 10 transitions out of 44. Remains 34
Initial state reduction rules removed 1 formulas.
[2026-05-24 08:16:54] [INFO ] Flatten gal took : 39 ms
[2026-05-24 08:16:54] [INFO ] Flatten gal took : 14 ms
RANDOM walk for 40000 steps (4913 resets) in 1127 ms. (35 steps per ms) remains 13/33 properties
[2026-05-24 08:16:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6026547753558157215.gal : 15 ms
[2026-05-24 08:16:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17307255418264231314.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6026547753558157215.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17307255418264231314.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 ...329
Loading property file /tmp/ReachabilityCardinality17307255418264231314.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :8 after 10
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :10 after 17
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :17 after 32
Reachability property qltransition_40 is true.
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :32 after 69
Reachability property qltransition_32 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_13 is true.
Reachability property qltransition_12 is true.
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :69 after 176
Reachability property qltransition_38 is true.
Reachability property qltransition_15 is true.
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :176 after 237
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :237 after 270
Reachability property qltransition_43 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :403 after 630
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :756 after 1133
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,1745,0.045857,5540,2,1407,30,6366,7,0,243,5032,0
Total reachable state count : 1745

Verifying 13 reachability properties.
Reachability property qltransition_11 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\_11,1,0.046503,5652,2,49,30,6366,7,0,246,5032,0
Reachability property qltransition_12 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\_12,1,0.046984,5804,2,49,30,6366,8,0,249,5032,0
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\_13,1,0.047272,5804,2,49,30,6366,9,0,252,5032,0
Reachability property qltransition_14 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\_14,2,0.047551,5804,2,50,30,6366,10,0,255,5032,0
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\_15,1,0.047827,5804,2,49,30,6366,11,0,258,5032,0
Reachability property qltransition_16 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\_16,1,0.048151,5804,2,49,30,6366,12,0,260,5032,0
Reachability property qltransition_29 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\_29,4,0.048323,5804,2,55,30,6366,13,0,263,5032,0
Reachability property qltransition_30 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\_30,1,0.048494,5804,2,49,30,6366,14,0,266,5032,0
Reachability property qltransition_32 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\_32,4,0.048877,5804,2,52,30,6366,15,0,269,5032,0
Reachability property qltransition_38 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\_38,2,0.049507,5804,2,50,30,6366,16,0,271,5032,0
Reachability property qltransition_40 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\_40,1,0.049699,5804,2,49,30,6366,17,0,274,5032,0
Reachability property qltransition_41 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\_41,4,0.049865,5804,2,70,30,6366,18,0,276,5032,0
Reachability property qltransition_43 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\_43,1,0.05002,5804,2,49,30,6366,19,0,279,5032,0
BEST_FIRST walk for 40002 steps (3058 resets) in 470 ms. (84 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (3040 resets) in 163 ms. (243 steps per ms) remains 9/13 properties
BEST_FIRST walk for 40002 steps (3009 resets) in 143 ms. (277 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (2962 resets) in 229 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (3025 resets) in 115 ms. (344 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3010 resets) in 126 ms. (314 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (3000 resets) in 128 ms. (310 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3007 resets) in 112 ms. (354 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40002 steps (3032 resets) in 124 ms. (320 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (2968 resets) in 143 ms. (277 steps per ms) remains 8/8 properties
Able to resolve query QuasiLiveness after proving 34 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1680 ms.

BK_STOP 1779610614953

--------------------
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="DoubleExponent-PT-002"
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 DoubleExponent-PT-002, 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 r104-tall-177955698800537"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-002.tgz
mv DoubleExponent-PT-002 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 ;