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.r056-smll-177946902900032.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 Champagne-PT-H06T0R, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 119K 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 1779472821459

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H06T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:00:24] [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 18:00:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:00:24] [INFO ] Load time of PNML (sax parser for PT used): 200 ms
[2026-05-22 18:00:24] [INFO ] Transformed 399 places.
[2026-05-22 18:00:24] [INFO ] Transformed 528 transitions.
[2026-05-22 18:00:24] [INFO ] Found NUPN structural information;
[2026-05-22 18:00:24] [INFO ] Parsed PT model containing 399 places and 528 transitions and 1345 arcs in 434 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 399/399 places, 528/528 transitions.
Graph (trivial) has 392 edges and 399 vertex of which 51 / 399 are part of one of the 7 SCC in 17 ms
Free SCC test removed 44 places
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 160 transitions
Trivial Post-agglo rules discarded 160 transitions
Performed 160 trivial Post agglomeration. Transition count delta: 160
Iterating post reduction 0 with 160 rules applied. Total rules applied 161 place count 355 transition count 317
Reduce places removed 160 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 196 rules applied. Total rules applied 357 place count 195 transition count 281
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 375 place count 177 transition count 281
Performed 106 Post agglomeration using F-continuation condition.Transition count delta: 106
Deduced a syphon composed of 106 places in 1 ms
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 3 with 212 rules applied. Total rules applied 587 place count 71 transition count 175
Applied a total of 587 rules in 148 ms. Remains 71 /399 variables (removed 328) and now considering 175/528 (removed 353) transitions.
[2026-05-22 18:00:24] [INFO ] Flow matrix only has 83 transitions (discarded 92 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-939330576640946485.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11536184297436911456.kers'
[2026-05-22 18:00:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-939330576640946485.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11536184297436911456.kers]
Normalized transition count is 82 out of 83 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 82 rows 71 cols 221 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-22 18:00:24] [INFO ] Computed 20 invariants in 0 ms
Computed 20 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11536184297436911456.kers
Total runtime 2 ms.
[2026-05-22 18:00:25] [INFO ] Implicit Places using invariants in 536 ms returned []
[2026-05-22 18:00:25] [INFO ] Flow matrix only has 83 transitions (discarded 92 similar events)
[2026-05-22 18:00:25] [INFO ] Invariant cache hit.
[2026-05-22 18:00:25] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-22 18:00:25] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 895 ms to find 0 implicit places.
Running 174 sub problems to find dead transitions.
[2026-05-22 18:00:25] [INFO ] Flow matrix only has 83 transitions (discarded 92 similar events)
[2026-05-22 18:00:25] [INFO ] Invariant cache hit.
[2026-05-22 18:00:25] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (OVERLAPS) 82/153 variables, 71/162 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 30/192 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 8 (OVERLAPS) 1/154 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 10 (OVERLAPS) 0/154 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Real declared 154/154 variables, and 193 constraints, problems are : Problem set: 0 solved, 174 unsolved in 13086 ms.
Refiners :[Domain max(s): 71/71 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 71/71 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 174 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 5 (OVERLAPS) 82/153 variables, 71/162 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 30/192 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 174/366 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 9 (OVERLAPS) 1/154 variables, 1/367 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 174 unsolved
At refinement iteration 11 (OVERLAPS) 0/154 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 174 unsolved
No progress, stopping.
After SMT solving in domain Int declared 154/154 variables, and 367 constraints, problems are : Problem set: 0 solved, 174 unsolved in 14125 ms.
Refiners :[Domain max(s): 71/71 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 71/71 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 174/174 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27362ms problems are : Problem set: 0 solved, 174 unsolved
Search for dead transitions found 0 dead transitions in 27404ms
Starting structural reductions in LIVENESS mode, iteration 1 : 71/399 places, 175/528 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 28517 ms. Remains : 71/399 places, 175/528 transitions.
Discarding 55 transitions out of 175. Remains 120
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1058 resets) in 2079 ms. (19 steps per ms) remains 1/119 properties
BEST_FIRST walk for 2206 steps (0 resets) in 64 ms. (33 steps per ms) remains 0/1 properties
[2026-05-22 18:00:53] [INFO ] Flatten gal took : 125 ms
[2026-05-22 18:00:53] [INFO ] Flatten gal took : 46 ms
[2026-05-22 18:00:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12450943147371234512.gal : 553 ms
[2026-05-22 18:00:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3958700828692259363.prop : 0 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/ReachabilityCardinality12450943147371234512.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3958700828692259363.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

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
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 120 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 30493 ms.

BK_STOP 1779472854659

--------------------
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="Champagne-PT-H06T0R"
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 Champagne-PT-H06T0R, 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 r056-smll-177946902900032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H06T0R.tgz
mv Champagne-PT-H06T0R 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 ;