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-178024404800122.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-00050, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r368-tall-178024404800122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 7.2K May 27 07:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 27 07:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 27 07:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K May 27 07:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 27 10:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 07:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 27 07:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 27 07:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 27 07:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:58 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 202K 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 1780307445048

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-01 09:50:46] [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 09:50:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 09:50:46] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-06-01 09:50:46] [INFO ] Transformed 654 places.
[2026-06-01 09:50:46] [INFO ] Transformed 403 transitions.
[2026-06-01 09:50:46] [INFO ] Parsed PT model containing 654 places and 403 transitions and 1806 arcs in 184 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 654/654 places, 403/403 transitions.
Ensure Unique test removed 200 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 50 transitions
Trivial Post-agglo rules discarded 50 transitions
Performed 50 trivial Post agglomeration. Transition count delta: 50
Iterating post reduction 0 with 250 rules applied. Total rules applied 250 place count 454 transition count 353
Reduce places removed 51 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 1 with 101 rules applied. Total rules applied 351 place count 403 transition count 303
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 100 Pre rules applied. Total rules applied 351 place count 403 transition count 203
Deduced a syphon composed of 100 places in 0 ms
Ensure Unique test removed 50 places
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 250 rules applied. Total rules applied 601 place count 253 transition count 203
Applied a total of 601 rules in 63 ms. Remains 253 /654 variables (removed 401) and now considering 203/403 (removed 200) transitions.
Running 153 sub problems to find dead transitions.
// Phase 1: matrix 203 rows 253 cols
[2026-06-01 09:50:46] [INFO ] Computed 101 invariants in 15 ms
[2026-06-01 09:50:46] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 50/253 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 153 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:50:49] [INFO ] Deduced a trap composed of 2 places in 40 ms of which 9 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/253 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 202/455 variables, 253/355 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/455 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 7 (OVERLAPS) 1/456 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/456 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 9 (OVERLAPS) 0/456 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Real declared 456/456 variables, and 356 constraints, problems are : Problem set: 0 solved, 153 unsolved in 13008 ms.
Refiners :[Positive P Invariants (semi-flows): 101/101 constraints, State Equation: 253/253 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 153/152 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 153 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/203 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/203 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/203 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (OVERLAPS) 50/253 variables, 100/102 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 202/455 variables, 253/355 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/455 variables, 152/507 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/455 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 8 (OVERLAPS) 1/456 variables, 1/508 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/456 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 10 (OVERLAPS) 0/456 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Int declared 456/456 variables, and 508 constraints, problems are : Problem set: 0 solved, 153 unsolved in 13660 ms.
Refiners :[Positive P Invariants (semi-flows): 101/101 constraints, State Equation: 253/253 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 153/152 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26771ms problems are : Problem set: 0 solved, 153 unsolved
Search for dead transitions found 0 dead transitions in 26794ms
[2026-06-01 09:51:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:51:13] [INFO ] Implicit Places using invariants in 202 ms returned [153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 207]
Discarding 51 places :
Implicit Place search using SMT only with invariants took 211 ms to find 51 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 202/654 places, 203/403 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 50 transitions
Trivial Post-agglo rules discarded 50 transitions
Performed 50 trivial Post agglomeration. Transition count delta: 50
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 202 transition count 153
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 50 transitions
Trivial Post-agglo rules discarded 50 transitions
Performed 50 trivial Post agglomeration. Transition count delta: 50
Iterating post reduction 1 with 150 rules applied. Total rules applied 200 place count 152 transition count 53
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 2 with 50 rules applied. Total rules applied 250 place count 102 transition count 53
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 50 Pre rules applied. Total rules applied 250 place count 102 transition count 3
Renaming transitions due to excessive name length > 1024 char.
Deduced a syphon composed of 50 places in 0 ms
Ensure Unique test removed 49 places
Reduce places removed 99 places and 0 transitions.
Iterating global reduction 3 with 149 rules applied. Total rules applied 399 place count 3 transition count 3
Applied a total of 399 rules in 7 ms. Remains 3 /202 variables (removed 199) and now considering 3/203 (removed 200) transitions.
// Phase 1: matrix 3 rows 3 cols
[2026-06-01 09:51:13] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:51:13] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-06-01 09:51:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:51:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-06-01 09:51:13] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 3/654 places, 3/403 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 27181 ms. Remains : 3/654 places, 3/403 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 8 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/2 properties
[2026-06-01 09:51:13] [INFO ] Flatten gal took : 126 ms
[2026-06-01 09:51:13] [INFO ] Flatten gal took : 1 ms
[2026-06-01 09:51:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12245962345785369451.gal : 3 ms
[2026-06-01 09:51:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7573020169050771880.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/ReachabilityCardinality12245962345785369451.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7573020169050771880.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_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7573020169050771880.prop.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 3 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 27645 ms.

BK_STOP 1780307474110

--------------------
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-00050"
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-00050, 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-178024404800122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00050.tgz
mv SupplyChain-PT-00050 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 ;