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-177946902900092.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-H10T0R, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 928K
-rw-r--r-- 1 mcc users 8.5K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:02 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 517K 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 1779473702233

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-H10T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:15:04] [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 18:15:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:15:05] [INFO ] Load time of PNML (sax parser for PT used): 394 ms
[2026-05-22 18:15:05] [INFO ] Transformed 1259 places.
[2026-05-22 18:15:05] [INFO ] Transformed 2192 transitions.
[2026-05-22 18:15:05] [INFO ] Found NUPN structural information;
[2026-05-22 18:15:05] [INFO ] Parsed PT model containing 1259 places and 2192 transitions and 6374 arcs in 676 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1259/1259 places, 2192/2192 transitions.
Graph (trivial) has 1227 edges and 1259 vertex of which 114 / 1259 are part of one of the 16 SCC in 25 ms
Free SCC test removed 98 places
Ensure Unique test removed 114 transitions
Reduce isomorphic transitions removed 114 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 529 transitions
Trivial Post-agglo rules discarded 529 transitions
Performed 529 trivial Post agglomeration. Transition count delta: 529
Iterating post reduction 0 with 529 rules applied. Total rules applied 530 place count 1161 transition count 1549
Reduce places removed 529 places and 0 transitions.
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 61 transitions
Trivial Post-agglo rules discarded 61 transitions
Performed 61 trivial Post agglomeration. Transition count delta: 61
Iterating post reduction 1 with 651 rules applied. Total rules applied 1181 place count 632 transition count 1427
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 2 with 61 rules applied. Total rules applied 1242 place count 571 transition count 1427
Performed 346 Post agglomeration using F-continuation condition.Transition count delta: 346
Deduced a syphon composed of 346 places in 2 ms
Reduce places removed 346 places and 0 transitions.
Iterating global reduction 3 with 692 rules applied. Total rules applied 1934 place count 225 transition count 1081
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 1934 rules in 316 ms. Remains 225 /1259 variables (removed 1034) and now considering 1081/2192 (removed 1111) transitions.
[2026-05-22 18:15:06] [INFO ] Flow matrix only has 262 transitions (discarded 819 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15297442271364072812.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16627140932994387859.kers'
[2026-05-22 18:15:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15297442271364072812.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16627140932994387859.kers]
Normalized transition count is 261 out of 262 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 261 rows 225 cols 708 entries
Finished phase 1 with 162 SingleSign rule and 0 generalized
[2026-05-22 18:15:06] [INFO ] Computed 63 invariants in 2 ms
Computed 63 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16627140932994387859.kers
Total runtime 4 ms.
[2026-05-22 18:15:07] [INFO ] Implicit Places using invariants in 1198 ms returned []
[2026-05-22 18:15:07] [INFO ] Flow matrix only has 262 transitions (discarded 819 similar events)
[2026-05-22 18:15:07] [INFO ] Invariant cache hit.
[2026-05-22 18:15:07] [INFO ] State equation strengthened by 99 read => feed constraints.
[2026-05-22 18:15:08] [INFO ] Implicit Places using invariants and state equation in 1220 ms returned []
Implicit Place search using SMT with State Equation took 2488 ms to find 0 implicit places.
Running 1080 sub problems to find dead transitions.
[2026-05-22 18:15:08] [INFO ] Flow matrix only has 262 transitions (discarded 819 similar events)
[2026-05-22 18:15:08] [INFO ] Invariant cache hit.
[2026-05-22 18:15:08] [INFO ] State equation strengthened by 99 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 224/224 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/224 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 2 (OVERLAPS) 1/225 variables, 63/287 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 225/487 variables, and 288 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30093 ms.
Refiners :[Domain max(s): 225/225 constraints, Positive P Invariants (semi-flows): 63/63 constraints, State Equation: 0/225 constraints, ReadFeed: 0/99 constraints, PredecessorRefiner: 1080/1079 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1080 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 224/224 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/224 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 2 (OVERLAPS) 1/225 variables, 63/287 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 225/487 variables, and 288 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30057 ms.
Refiners :[Domain max(s): 225/225 constraints, Positive P Invariants (semi-flows): 63/63 constraints, State Equation: 0/225 constraints, ReadFeed: 0/99 constraints, PredecessorRefiner: 1/1079 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60869ms problems are : Problem set: 0 solved, 1080 unsolved
Search for dead transitions found 0 dead transitions in 60931ms
Starting structural reductions in LIVENESS mode, iteration 1 : 225/1259 places, 1081/2192 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 63835 ms. Remains : 225/1259 places, 1081/2192 transitions.
Discarding 175 transitions out of 1081. Remains 906
Initial state reduction rules removed 1 formulas.
[2026-05-22 18:16:11] [INFO ] Flatten gal took : 369 ms
RANDOM walk for 40000 steps (274 resets) in 4629 ms. (8 steps per ms) remains 1/905 properties
[2026-05-22 18:16:11] [INFO ] Flatten gal took : 163 ms
[2026-05-22 18:16:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17902134762706961815.gal : 80 ms
BEST_FIRST walk for 40004 steps (8 resets) in 791 ms. (50 steps per ms) remains 1/1 properties
[2026-05-22 18:16:11] [INFO ] Flow matrix only has 262 transitions (discarded 819 similar events)
[2026-05-22 18:16:11] [INFO ] Invariant cache hit.
[2026-05-22 18:16:11] [INFO ] State equation strengthened by 99 read => feed constraints.
[2026-05-22 18:16:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3665094189408355572.prop : 5 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/ReachabilityCardinality17902134762706961815.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3665094189408355572.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
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 162/225 variables, 63/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality3665094189408355572.prop.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 162/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 261/486 variables, 225/513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 257
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :257 after 1.04858e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/486 variables, 98/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.04858e+06 after 1.80144e+16
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5.1923e+33,0.388487,11468,2,608,10,8842,7,0,2032,3270,0
Total reachable state count : 5192296858534827628530496329220096

Verifying 1 reachability properties.
Reachability property qltransition_1076 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_1076,1,0.404151,11724,2,226,10,8842,7,0,2096,3270,0
After SMT solving in domain Real declared 486/487 variables, and 611 constraints, problems are : Problem set: 1 solved, 0 unsolved in 445 ms.
Refiners :[Domain max(s): 225/225 constraints, Positive P Invariants (semi-flows): 63/63 constraints, State Equation: 225/225 constraints, ReadFeed: 98/99 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 906 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
Total runtime 66762 ms.

BK_STOP 1779473771842

--------------------
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-H10T0R"
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-H10T0R, 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-177946902900092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H10T0R.tgz
mv Champagne-PT-H10T0R 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 ;