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-177955698800477.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 DNAwalker-PT-01track12Block1, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.6K Mar 6 15:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 15:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 15:58 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 09:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 15:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 165K Mar 6 15:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 6 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 6 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 16 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 36K 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 1779610092111

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-01track12Block1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 08:08:13] [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 08:08:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:08:13] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2026-05-24 08:08:13] [INFO ] Transformed 13 places.
[2026-05-24 08:08:13] [INFO ] Transformed 82 transitions.
[2026-05-24 08:08:13] [INFO ] Parsed PT model containing 13 places and 82 transitions and 241 arcs in 128 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 13/13 places, 82/82 transitions.
Applied a total of 0 rules in 7 ms. Remains 13 /13 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Running 76 sub problems to find dead transitions.
[2026-05-24 08:08:13] [INFO ] Flow matrix only has 81 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-297924801958692768.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1455228575373493225.kers'
[2026-05-24 08:08:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-297924801958692768.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1455228575373493225.kers]
Normalized transition count is 80 out of 81 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 80 rows 13 cols 159 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-24 08:08:13] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1455228575373493225.kers
Total runtime 1 ms.
[2026-05-24 08:08:13] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (OVERLAPS) 79/91 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (OVERLAPS) 2/93 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (OVERLAPS) 1/94 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/94 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (OVERLAPS) 0/94 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 23 constraints, problems are : Problem set: 0 solved, 76 unsolved in 2435 ms.
Refiners :[State Equation: 13/13 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 76 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (OVERLAPS) 79/91 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 76/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (OVERLAPS) 2/93 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (OVERLAPS) 1/94 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 76 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 94/94 variables, and 99 constraints, problems are : Problem set: 0 solved, 76 unsolved in 20018 ms.
Refiners :[State Equation: 13/13 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22591ms problems are : Problem set: 0 solved, 76 unsolved
Search for dead transitions found 0 dead transitions in 22604ms
[2026-05-24 08:08:36] [INFO ] Flow matrix only has 81 transitions (discarded 1 similar events)
[2026-05-24 08:08:36] [INFO ] Invariant cache hit.
[2026-05-24 08:08:36] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 08:08:36] [INFO ] Flow matrix only has 81 transitions (discarded 1 similar events)
[2026-05-24 08:08:36] [INFO ] Invariant cache hit.
[2026-05-24 08:08:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 08:08:36] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LIVENESS mode , in 1 iterations and 22767 ms. Remains : 13/13 places, 82/82 transitions.
Discarding 1 transitions out of 82. Remains 81
Initial state reduction rules removed 5 formulas.
[2026-05-24 08:08:36] [INFO ] Flatten gal took : 37 ms
[2026-05-24 08:08:36] [INFO ] Flatten gal took : 10 ms
[2026-05-24 08:08:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8789894236224380126.gal : 5 ms
[2026-05-24 08:08:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1061397384320544496.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/ReachabilityCardinality8789894236224380126.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1061397384320544496.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/ReachabilityCardinality1061397384320544496.prop.
Reachability property qltransition_31 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_21 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_13 is true.
Reachability property qltransition_12 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,57 properties remain. new max is 2
SDD size :1 after 9
Reachability property qltransition_26 is true.
Reachability property qltransition_17 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,53 properties remain. new max is 2
SDD size :9 after 39
Reachability property qltransition_49 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_41 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_34 is true.
Reachability property qltransition_33 is true.
SDD proceeding with computation,36 properties remain. new max is 2
SDD size :39 after 106
Reachability property qltransition_55 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
SDD proceeding with computation,30 properties remain. new max is 2
SDD size :106 after 218
SDD proceeding with computation,30 properties remain. new max is 4
SDD size :218 after 226
SDD proceeding with computation,30 properties remain. new max is 8
SDD size :226 after 232
Reachability property qltransition_80 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_57 is true.
SDD proceeding with computation,20 properties remain. new max is 8
SDD size :232 after 742
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_69 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_66 is true.
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :742 after 1596
Reachability property qltransition_79 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_74 is true.
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :1596 after 2639
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :2639 after 2837
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :2837 after 3108
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,3795,0.035439,4720,2,144,63,2155,12,0,159,1545,0
Total reachable state count : 3795

Verifying 76 reachability properties.
RANDOM walk for 40000 steps (4850 resets) in 1240 ms. (32 steps per ms) remains 5/76 properties
Reachability property qltransition_5 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\_5,1,0.036098,4744,2,14,63,2155,13,0,163,1545,0
Reachability property qltransition_7 does not hold.
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40003 steps (874 resets) in 224 ms. (177 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (865 resets) in 145 ms. (273 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (866 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (855 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (890 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
Total runtime 23581 ms.

BK_STOP 1779610116876

--------------------
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="DNAwalker-PT-01track12Block1"
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 DNAwalker-PT-01track12Block1, 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-177955698800477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-01track12Block1.tgz
mv DNAwalker-PT-01track12Block1 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 ;