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-177946844700462.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-050, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700462
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 11K Mar 6 10:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 10:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.3K Mar 15 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 10:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 6 10:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:54 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 16M 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 1779482195940

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-050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:36:37] [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 20:36:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:36:37] [INFO ] Load time of PNML (sax parser for PT used): 484 ms
[2026-05-22 20:36:37] [INFO ] Transformed 5604 places.
[2026-05-22 20:36:37] [INFO ] Transformed 15300 transitions.
[2026-05-22 20:36:37] [INFO ] Parsed PT model containing 5604 places and 15300 transitions and 41000 arcs in 638 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 5604/5604 places, 15300/15300 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 350 transitions
Trivial Post-agglo rules discarded 350 transitions
Performed 350 trivial Post agglomeration. Transition count delta: 350
Iterating post reduction 0 with 351 rules applied. Total rules applied 351 place count 5603 transition count 14950
Reduce places removed 350 places and 0 transitions.
Iterating post reduction 1 with 350 rules applied. Total rules applied 701 place count 5253 transition count 14950
Performed 2450 Post agglomeration using F-continuation condition.Transition count delta: 2450
Deduced a syphon composed of 2450 places in 34 ms
Reduce places removed 2450 places and 0 transitions.
Iterating global reduction 2 with 4900 rules applied. Total rules applied 5601 place count 2803 transition count 12500
Applied a total of 5601 rules in 1147 ms. Remains 2803 /5604 variables (removed 2801) and now considering 12500/15300 (removed 2800) transitions.
[2026-05-22 20:36:39] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14763886853530734895.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1960130335534670988.kers'
[2026-05-22 20:36:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14763886853530734895.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1960130335534670988.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 10148 rows 2803 cols 20646 entries
Finished phase 1 with 2701 SingleSign rule and 50 generalized
[2026-05-22 20:36:39] [INFO ] Computed 52 invariants in 134 ms
Computed 52 P flows in 135 ms.
Exported basis to /tmp/petrispot-output-1960130335534670988.kers
Total runtime 143 ms.
[2026-05-22 20:36:41] [INFO ] Implicit Places using invariants in 2908 ms returned []
Implicit Place search using SMT only with invariants took 2946 ms to find 0 implicit places.
Running 12450 sub problems to find dead transitions.
[2026-05-22 20:36:42] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
[2026-05-22 20:36:42] [INFO ] Invariant cache hit.
[2026-05-22 20:36:42] [INFO ] State equation strengthened by 7448 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 12450 unsolved
SMT process timed out in 43299ms, After SMT, problems are : Problem set: 0 solved, 12450 unsolved
Search for dead transitions found 0 dead transitions in 43448ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2803/5604 places, 12500/15300 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 47638 ms. Remains : 2803/5604 places, 12500/15300 transitions.
Discarding 7300 transitions out of 12500. Remains 5200
Initial state reduction rules removed 50 formulas.
[2026-05-22 20:37:26] [INFO ] Flatten gal took : 602 ms
[2026-05-22 20:37:27] [INFO ] Flatten gal took : 318 ms
[2026-05-22 20:37:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17888450073385696382.gal : 161 ms
[2026-05-22 20:37:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14313755273369891430.prop : 35 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/ReachabilityCardinality17888450073385696382.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14313755273369891430.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/ReachabilityCardinality14313755273369891430.prop.
RANDOM walk for 40000 steps (156 resets) in 17387 ms. (2 steps per ms) remains 44/5150 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 41/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 40/41 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 36/37 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 35/36 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 33/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 31/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
[2026-05-22 20:37:30] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
[2026-05-22 20:37:30] [INFO ] Invariant cache hit.
[2026-05-22 20:37:30] [INFO ] State equation strengthened by 7448 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 2687/2718 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2718 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 3 (INCLUDED_ONLY) 0/2718 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 22 unsolved
SMT process timed out in 5112ms, After SMT, problems are : Problem set: 0 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 31 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 12500/12500 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2352 transitions
Redundant transition composition rules discarded 2352 transitions
Iterating global reduction 0 with 2352 rules applied. Total rules applied 2352 place count 2803 transition count 10148
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2353 place count 2803 transition count 10147
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2354 place count 2802 transition count 10147
Partial Free-agglomeration rule applied 2441 times.
Drop transitions (Partial Free agglomeration) removed 2441 transitions
Iterating global reduction 1 with 2441 rules applied. Total rules applied 4795 place count 2802 transition count 10147
Applied a total of 4795 rules in 2019 ms. Remains 2802 /2803 variables (removed 1) and now considering 10147/12500 (removed 2353) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2020 ms. Remains : 2802/2803 places, 10147/12500 transitions.
RANDOM walk for 173994 steps (763 resets) in 5023 ms. (34 steps per ms) remains 0/22 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 5200 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 62440 ms.

BK_STOP 1779482259669

--------------------
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-050"
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-050, 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-177946844700462"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-050.tgz
mv CANInsertWithFailure-PT-050 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 ;