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.r168-smll-177961110200344.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 MAPK-PT-00008, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110200344
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 5.9K Mar 7 17:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 7 17:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 7 17:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 17:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 7 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 17:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 136K Mar 7 17:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 25K 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 Liveness

=== Now, execution of the tool begins

BK_START 1779725827380

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MAPK-PT-00008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-25 16:17:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 16:17:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:17:10] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2026-05-25 16:17:10] [INFO ] Transformed 22 places.
[2026-05-25 16:17:10] [INFO ] Transformed 30 transitions.
[2026-05-25 16:17:10] [INFO ] Parsed PT model containing 22 places and 30 transitions and 90 arcs in 314 ms.
Discarding 10 transitions out of 30. Remains 20
Built sparse matrix representations for Structural reductions in 11 ms.14986KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 22/22 places, 30/30 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 26 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 53 ms. Remains : 22/22 places, 30/30 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 22/22 places, 30/30 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 6 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14552369687824385912.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2675583893813357607.kers'
[2026-05-25 16:17:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14552369687824385912.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2675583893813357607.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 30 rows 20 cols 84 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-25 16:17:10] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2675583893813357607.kers
Total runtime 2 ms.
[2026-05-25 16:17:10] [INFO ] Implicit Places using invariants in 335 ms returned []
[2026-05-25 16:17:10] [INFO ] Invariant cache hit.
[2026-05-25 16:17:10] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 508 ms to find 0 implicit places.
[2026-05-25 16:17:10] [INFO ] Redundant transitions in 1 ms returned []
Running 29 sub problems to find dead transitions.
[2026-05-25 16:17:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 30/52 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 29 constraints, problems are : Problem set: 0 solved, 29 unsolved in 1308 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 30/52 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 29/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 58 constraints, problems are : Problem set: 0 solved, 29 unsolved in 1161 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2540ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 2553ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3123 ms. Remains : 22/22 places, 30/30 transitions.
Random walk for 1250001 steps, including 0 resets, run took 1492 ms (no deadlock found). (steps per millisecond=837 )
Random directed walk for 1250000 steps, including 0 resets, run took 793 ms (no deadlock found). (steps per millisecond=1576 )
[2026-05-25 16:17:15] [INFO ] Invariant cache hit.
[2026-05-25 16:17:15] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-25 16:17:15] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 29
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 29
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 21 rules applied. Total rules applied 24 place count 8 transition count 20
Graph (trivial) has 12 edges and 8 vertex of which 2 / 8 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 6 transition count 20
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (trivial) has 11 edges and 6 vertex of which 3 / 6 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 31 place count 4 transition count 16
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 7 edges and 3 vertex of which 3 / 3 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 1 with 10 rules applied. Total rules applied 41 place count 1 transition count 8
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 49 place count 0 transition count 1
Applied a total of 49 rules in 38 ms. Remains 0 /22 variables (removed 22) and now considering 1/30 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5724041320558802966.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7356432972193652339.kers'
[2026-05-25 16:17:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5724041320558802966.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7356432972193652339.kers]
[2026-05-25 16:17:15] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7356432972193652339.kers
Total runtime 0 ms.
[2026-05-25 16:17:15] [INFO ] Implicit Places using invariants in 12 ms returned []
[2026-05-25 16:17:15] [INFO ] Invariant cache hit.
[2026-05-25 16:17:15] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 0/22 places, 1/30 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 79 ms. Remains : 0/22 places, 1/30 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 29
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 29
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 21 rules applied. Total rules applied 24 place count 8 transition count 20
Graph (trivial) has 12 edges and 8 vertex of which 2 / 8 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 6 transition count 20
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (trivial) has 11 edges and 6 vertex of which 3 / 6 are part of one of the 1 SCC in 1 ms
Free SCC test removed 2 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 31 place count 4 transition count 16
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 7 edges and 3 vertex of which 3 / 3 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 1 with 10 rules applied. Total rules applied 41 place count 1 transition count 8
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 49 place count 0 transition count 1
Applied a total of 49 rules in 10 ms. Remains 0 /22 variables (removed 22) and now considering 1/30 (removed 29) transitions.
[2026-05-25 16:17:15] [INFO ] Invariant cache hit.
[2026-05-25 16:17:15] [INFO ] Implicit Places using invariants in 6 ms returned []
[2026-05-25 16:17:15] [INFO ] Invariant cache hit.
[2026-05-25 16:17:15] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 0/22 places, 1/30 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 46 ms. Remains : 0/22 places, 1/30 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 6152 ms.

BK_STOP 1779725836080

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="MAPK-PT-00008"
export BK_EXAMINATION="Liveness"
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 MAPK-PT-00008, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r168-smll-177961110200344"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MAPK-PT-00008.tgz
mv MAPK-PT-00008 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;