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.r040-tall-177946844700487.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 CANInsertWithFailure-PT-100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700487
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 61M
-rw-r--r-- 1 mcc users 12K Mar 6 10:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K Mar 6 10:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 10:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 6 10:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Mar 6 10:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 10:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:56 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 60M 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 1779482457041

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:40:58] [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]
[2026-05-22 20:40:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:40:59] [INFO ] Load time of PNML (sax parser for PT used): 1320 ms
[2026-05-22 20:40:59] [INFO ] Transformed 21204 places.
[2026-05-22 20:40:59] [INFO ] Transformed 60600 transitions.
[2026-05-22 20:40:59] [INFO ] Parsed PT model containing 21204 places and 60600 transitions and 162000 arcs in 1588 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 21204/21204 places, 60600/60600 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 700 transitions
Trivial Post-agglo rules discarded 700 transitions
Performed 700 trivial Post agglomeration. Transition count delta: 700
Iterating post reduction 0 with 701 rules applied. Total rules applied 701 place count 21203 transition count 59900
Reduce places removed 700 places and 0 transitions.
Iterating post reduction 1 with 700 rules applied. Total rules applied 1401 place count 20503 transition count 59900
Performed 9900 Post agglomeration using F-continuation condition.Transition count delta: 9900
Deduced a syphon composed of 9900 places in 61 ms
Reduce places removed 9900 places and 0 transitions.
Iterating global reduction 2 with 19800 rules applied. Total rules applied 21201 place count 10603 transition count 50000
Applied a total of 21201 rules in 8690 ms. Remains 10603 /21204 variables (removed 10601) and now considering 50000/60600 (removed 10600) transitions.
[2026-05-22 20:41:08] [INFO ] Flow matrix only has 40298 transitions (discarded 9702 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9505723688625086361.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15347476124266106132.kers'
[2026-05-22 20:41:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9505723688625086361.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15347476124266106132.kers]
Culled 0 columns in 14 ms.
// Phase 1: matrix 40298 rows 10603 cols 81296 entries
Finished phase 1 with 10401 SingleSign rule and 100 generalized
[2026-05-22 20:41:10] [INFO ] Computed 102 invariants in 1703 ms
Computed 102 P flows in 1704 ms.
Exported basis to /tmp/petrispot-output-15347476124266106132.kers
Total runtime 1729 ms.
[2026-05-22 20:41:36] [INFO ] Implicit Places using invariants in 28241 ms returned []
Implicit Place search using SMT only with invariants took 28277 ms to find 0 implicit places.
Running 49900 sub problems to find dead transitions.
[2026-05-22 20:41:37] [INFO ] Flow matrix only has 40298 transitions (discarded 9702 similar events)
[2026-05-22 20:41:37] [INFO ] Invariant cache hit.
[2026-05-22 20:41:37] [INFO ] State equation strengthened by 29898 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10602/50901 variables, and 100 constraints, problems are : Problem set: 0 solved, 49900 unsolved in 30640 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10603 constraints, ReadFeed: 0/29898 constraints, PredecessorRefiner: 49900/49900 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10602 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 49900 unsolved
SMT process timed out in 295621ms, After SMT, problems are : Problem set: 0 solved, 49900 unsolved
Search for dead transitions found 0 dead transitions in 295826ms
Starting structural reductions in LIVENESS mode, iteration 1 : 10603/21204 places, 50000/60600 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 332983 ms. Remains : 10603/21204 places, 50000/60600 transitions.
Discarding 29600 transitions out of 50000. Remains 20400
Initial state reduction rules removed 100 formulas.
RANDOM walk for 40000 steps (77 resets) in 7164 ms. (5 steps per ms) remains 8489/20300 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 8489/8489 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 8489/8489 properties
[2026-05-22 20:46:35] [INFO ] Flow matrix only has 40298 transitions (discarded 9702 similar events)
[2026-05-22 20:46:35] [INFO ] Invariant cache hit.
[2026-05-22 20:46:36] [INFO ] State equation strengthened by 29898 read => feed constraints.
[2026-05-22 20:46:36] [INFO ] Flatten gal took : 1815 ms
[2026-05-22 20:46:37] [INFO ] Flatten gal took : 586 ms
[2026-05-22 20:46:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9372614208244173288.gal : 180 ms
[2026-05-22 20:46:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15613434547296133547.prop : 42 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/ReachabilityCardinality9372614208244173288.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15613434547296133547.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/ReachabilityCardinality15613434547296133547.prop.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6688/50901 variables, and 0 constraints, problems are : Problem set: 0 solved, 8489 unsolved in 5115 ms.
Refiners :[Positive P Invariants (semi-flows): 0/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10603 constraints, ReadFeed: 0/29898 constraints, PredecessorRefiner: 8489/8489 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8489 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6688/50901 variables, and 0 constraints, problems are : Problem set: 0 solved, 8489 unsolved in 5123 ms.
Refiners :[Positive P Invariants (semi-flows): 0/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10603 constraints, ReadFeed: 0/29898 constraints, PredecessorRefiner: 0/8489 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45164ms problems are : Problem set: 0 solved, 8489 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6688 out of 10603 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10603/10603 places, 50000/50000 transitions.
Partial Free-agglomeration rule applied 3531 times.
Drop transitions (Partial Free agglomeration) removed 3531 transitions
Iterating global reduction 0 with 3531 rules applied. Total rules applied 3531 place count 10603 transition count 50000
Applied a total of 3531 rules in 2287 ms. Remains 10603 /10603 variables (removed 0) and now considering 50000/50000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2289 ms. Remains : 10603/10603 places, 50000/50000 transitions.
RANDOM walk for 407250 steps (763 resets) in 120004 ms. (3 steps per ms) remains 3/8489 properties
BEST_FIRST walk for 3323958 steps (50 resets) in 10648 ms. (312 steps per ms) remains 0/3 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 20400 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 418490 ms.

BK_STOP 1779482876863

--------------------
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="CANInsertWithFailure-PT-100"
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 CANInsertWithFailure-PT-100, 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 r040-tall-177946844700487"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-100.tgz
mv CANInsertWithFailure-PT-100 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 ;