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-177946844700477.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-080, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 39M
-rw-r--r-- 1 mcc users 11K Mar 6 10:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 10:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 10:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 10:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 07:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 10:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 6 10:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 10:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:55 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 39M 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 1779482347493

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-080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:39:08] [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 20:39:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:39:09] [INFO ] Load time of PNML (sax parser for PT used): 964 ms
[2026-05-22 20:39:09] [INFO ] Transformed 13764 places.
[2026-05-22 20:39:09] [INFO ] Transformed 38880 transitions.
[2026-05-22 20:39:09] [INFO ] Parsed PT model containing 13764 places and 38880 transitions and 104000 arcs in 1229 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 13764/13764 places, 38880/38880 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 560 transitions
Trivial Post-agglo rules discarded 560 transitions
Performed 560 trivial Post agglomeration. Transition count delta: 560
Iterating post reduction 0 with 561 rules applied. Total rules applied 561 place count 13763 transition count 38320
Reduce places removed 560 places and 0 transitions.
Iterating post reduction 1 with 560 rules applied. Total rules applied 1121 place count 13203 transition count 38320
Performed 6320 Post agglomeration using F-continuation condition.Transition count delta: 6320
Deduced a syphon composed of 6320 places in 44 ms
Reduce places removed 6320 places and 0 transitions.
Iterating global reduction 2 with 12640 rules applied. Total rules applied 13761 place count 6883 transition count 32000
Applied a total of 13761 rules in 4306 ms. Remains 6883 /13764 variables (removed 6881) and now considering 32000/38880 (removed 6880) transitions.
[2026-05-22 20:39:14] [INFO ] Flow matrix only has 25838 transitions (discarded 6162 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14301544728020541421.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6245672683728017798.kers'
[2026-05-22 20:39:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14301544728020541421.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6245672683728017798.kers]
Culled 0 columns in 8 ms.
// Phase 1: matrix 25838 rows 6883 cols 52236 entries
Finished phase 1 with 6721 SingleSign rule and 80 generalized
[2026-05-22 20:39:15] [INFO ] Computed 82 invariants in 732 ms
Computed 82 P flows in 734 ms.
Exported basis to /tmp/petrispot-output-6245672683728017798.kers
Total runtime 751 ms.
[2026-05-22 20:39:27] [INFO ] Implicit Places using invariants in 12850 ms returned []
Implicit Place search using SMT only with invariants took 12880 ms to find 0 implicit places.
Running 31920 sub problems to find dead transitions.
[2026-05-22 20:39:27] [INFO ] Flow matrix only has 25838 transitions (discarded 6162 similar events)
[2026-05-22 20:39:27] [INFO ] Invariant cache hit.
[2026-05-22 20:39:27] [INFO ] State equation strengthened by 19118 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/6882 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 31920 unsolved
SMT process timed out in 139323ms, After SMT, problems are : Problem set: 0 solved, 31920 unsolved
Search for dead transitions found 0 dead transitions in 139467ms
Starting structural reductions in LIVENESS mode, iteration 1 : 6883/13764 places, 32000/38880 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 156802 ms. Remains : 6883/13764 places, 32000/38880 transitions.
Discarding 18880 transitions out of 32000. Remains 13120
Initial state reduction rules removed 80 formulas.
RANDOM walk for 40000 steps (96 resets) in 7916 ms. (5 steps per ms) remains 4878/13040 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4878/4878 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4878/4878 properties
[2026-05-22 20:41:49] [INFO ] Flow matrix only has 25838 transitions (discarded 6162 similar events)
[2026-05-22 20:41:49] [INFO ] Invariant cache hit.
[2026-05-22 20:41:49] [INFO ] Flatten gal took : 1449 ms
[2026-05-22 20:41:49] [INFO ] State equation strengthened by 19118 read => feed constraints.
[2026-05-22 20:41:50] [INFO ] Flatten gal took : 432 ms
[2026-05-22 20:41:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13392098229936210007.gal : 180 ms
[2026-05-22 20:41:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10874224302614952589.prop : 23 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/ReachabilityCardinality13392098229936210007.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10874224302614952589.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 ...330
Loading property file /tmp/ReachabilityCardinality10874224302614952589.prop.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3888/32721 variables, and 0 constraints, problems are : Problem set: 0 solved, 4878 unsolved in 5076 ms.
Refiners :[Positive P Invariants (semi-flows): 0/80 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/6883 constraints, ReadFeed: 0/19118 constraints, PredecessorRefiner: 4878/4878 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4878 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3888/32721 variables, and 0 constraints, problems are : Problem set: 0 solved, 4878 unsolved in 5089 ms.
Refiners :[Positive P Invariants (semi-flows): 0/80 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/6883 constraints, ReadFeed: 0/19118 constraints, PredecessorRefiner: 0/4878 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31347ms problems are : Problem set: 0 solved, 4878 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3888 out of 6883 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6883/6883 places, 32000/32000 transitions.
Partial Free-agglomeration rule applied 2690 times.
Drop transitions (Partial Free agglomeration) removed 2690 transitions
Iterating global reduction 0 with 2690 rules applied. Total rules applied 2690 place count 6883 transition count 32000
Applied a total of 2690 rules in 1401 ms. Remains 6883 /6883 variables (removed 0) and now considering 32000/32000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1403 ms. Remains : 6883/6883 places, 32000/32000 transitions.
RANDOM walk for 1289957 steps (2997 resets) in 101385 ms. (12 steps per ms) remains 0/4878 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 13120 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 221716 ms.

BK_STOP 1779482570502

--------------------
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-080"
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-080, 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-177946844700477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-080.tgz
mv CANInsertWithFailure-PT-080 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 ;