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-178024404800112.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-00010, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r368-tall-178024404800112
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.8K May 27 07:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 27 07:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 27 07:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 27 07:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 27 10:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 27 10:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 12K May 27 07:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 27 07:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 27 07:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 27 07:03 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 41K 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 1780307427735

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-01 09:50:29] [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 09:50:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 09:50:29] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-06-01 09:50:29] [INFO ] Transformed 134 places.
[2026-06-01 09:50:29] [INFO ] Transformed 83 transitions.
[2026-06-01 09:50:29] [INFO ] Parsed PT model containing 134 places and 83 transitions and 366 arcs in 141 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 134/134 places, 83/83 transitions.
Ensure Unique test removed 40 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 94 transition count 73
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 71 place count 83 transition count 63
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 71 place count 83 transition count 43
Deduced a syphon composed of 20 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 121 place count 53 transition count 43
Applied a total of 121 rules in 34 ms. Remains 53 /134 variables (removed 81) and now considering 43/83 (removed 40) transitions.
Running 33 sub problems to find dead transitions.
// Phase 1: matrix 43 rows 53 cols
[2026-06-01 09:50:29] [INFO ] Computed 21 invariants in 8 ms
[2026-06-01 09:50:29] [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) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (OVERLAPS) 10/53 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:50:29] [INFO ] Deduced a trap composed of 2 places in 36 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 42/95 variables, 53/75 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 1/96 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/96 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 9 (OVERLAPS) 0/96 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 76 constraints, problems are : Problem set: 0 solved, 33 unsolved in 1155 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 53/53 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 33 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 10/53 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 42/95 variables, 53/75 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 33/108 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (OVERLAPS) 1/96 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/96 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 10 (OVERLAPS) 0/96 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 109 constraints, problems are : Problem set: 0 solved, 33 unsolved in 1233 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 53/53 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2435ms problems are : Problem set: 0 solved, 33 unsolved
Search for dead transitions found 0 dead transitions in 2451ms
[2026-06-01 09:50:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:31] [INFO ] Implicit Places using invariants in 81 ms returned [0, 1, 2, 3, 46, 47, 48, 49, 50, 51, 52]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 86 ms to find 11 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 42/134 places, 43/83 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 42 transition count 33
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 30 rules applied. Total rules applied 40 place count 32 transition count 13
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 50 place count 22 transition count 13
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 50 place count 22 transition count 3
Deduced a syphon composed of 10 places in 0 ms
Ensure Unique test removed 9 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 29 rules applied. Total rules applied 79 place count 3 transition count 3
Applied a total of 79 rules in 2 ms. Remains 3 /42 variables (removed 39) and now considering 3/43 (removed 40) transitions.
// Phase 1: matrix 3 rows 3 cols
[2026-06-01 09:50:31] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:31] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-06-01 09:50:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-06-01 09:50:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 3/134 places, 3/83 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2654 ms. Remains : 3/134 places, 3/83 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 8 steps (0 resets) in 6 ms. (1 steps per ms) remains 0/2 properties
[2026-06-01 09:50:32] [INFO ] Flatten gal took : 114 ms
[2026-06-01 09:50:32] [INFO ] Flatten gal took : 1 ms
[2026-06-01 09:50:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16242375758019161910.gal : 3 ms
[2026-06-01 09:50:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6940680423725260098.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/ReachabilityCardinality16242375758019161910.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6940680423725260098.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 3207 ms.

BK_STOP 1780307432319

--------------------
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_1.0.0.202505121319.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-00010"
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-00010, 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-178024404800112"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00010.tgz
mv SupplyChain-PT-00010 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 ;