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.r368-tall-178024404800117.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 gold2025
Input is SupplyChain-PT-00020, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r368-tall-178024404800117
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.6K May 27 07:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 27 07:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 27 07:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 27 07:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 27 10:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 27 10:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 07:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K May 27 07:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 27 07:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K May 27 07:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 6 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 81K May 26 18:17 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 1780307436796

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-01 09:50:38] [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]
[2026-06-01 09:50:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 09:50:38] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2026-06-01 09:50:38] [INFO ] Transformed 264 places.
[2026-06-01 09:50:38] [INFO ] Transformed 163 transitions.
[2026-06-01 09:50:38] [INFO ] Parsed PT model containing 264 places and 163 transitions and 726 arcs in 151 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 264/264 places, 163/163 transitions.
Ensure Unique test removed 80 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 184 transition count 143
Reduce places removed 21 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 41 rules applied. Total rules applied 141 place count 163 transition count 123
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 141 place count 163 transition count 83
Deduced a syphon composed of 40 places in 1 ms
Ensure Unique test removed 20 places
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 100 rules applied. Total rules applied 241 place count 103 transition count 83
Applied a total of 241 rules in 37 ms. Remains 103 /264 variables (removed 161) and now considering 83/163 (removed 80) transitions.
Running 63 sub problems to find dead transitions.
// Phase 1: matrix 83 rows 103 cols
[2026-06-01 09:50:38] [INFO ] Computed 41 invariants in 7 ms
[2026-06-01 09:50:38] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 20/103 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 82/185 variables, 103/144 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (OVERLAPS) 1/186 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 0/186 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 186/186 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 2513 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 20/103 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 82/185 variables, 103/144 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 63/207 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 1/186 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 0/186 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 186/186 variables, and 208 constraints, problems are : Problem set: 0 solved, 63 unsolved in 2908 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5489ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 5507ms
[2026-06-01 09:50:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:44] [INFO ] Implicit Places using invariants in 81 ms returned [23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43]
Discarding 21 places :
Implicit Place search using SMT only with invariants took 94 ms to find 21 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 82/264 places, 83/163 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 82 transition count 63
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 60 rules applied. Total rules applied 80 place count 62 transition count 23
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 100 place count 42 transition count 23
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 100 place count 42 transition count 3
Deduced a syphon composed of 20 places in 0 ms
Ensure Unique test removed 19 places
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 3 with 59 rules applied. Total rules applied 159 place count 3 transition count 3
Applied a total of 159 rules in 8 ms. Remains 3 /82 variables (removed 79) and now considering 3/83 (removed 80) transitions.
// Phase 1: matrix 3 rows 3 cols
[2026-06-01 09:50:44] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:44] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-06-01 09:50:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-06-01 09:50:44] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 3/264 places, 3/163 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 5723 ms. Remains : 3/264 places, 3/163 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 8 steps (0 resets) in 7 ms. (1 steps per ms) remains 0/2 properties
[2026-06-01 09:50:44] [INFO ] Flatten gal took : 101 ms
[2026-06-01 09:50:44] [INFO ] Flatten gal took : 1 ms
[2026-06-01 09:50:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1866753796047459488.gal : 2 ms
[2026-06-01 09:50:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10853318398773721384.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1866753796047459488.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10853318398773721384.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 3 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 6112 ms.

BK_STOP 1780307444386

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="SupplyChain-PT-00020"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is SupplyChain-PT-00020, 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 r368-tall-178024404800117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00020.tgz
mv SupplyChain-PT-00020 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 ;