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-178024404800127.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-00100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r368-tall-178024404800127
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 852K
-rw-r--r-- 1 mcc users 7.4K May 27 07:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 27 07:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 27 07:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 27 07:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 27 10:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 07:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K May 27 07:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 27 07:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K May 27 07:03 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 405K 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 1780307459997

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-01 09:51:01] [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 09:51:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 09:51:01] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2026-06-01 09:51:01] [INFO ] Transformed 1304 places.
[2026-06-01 09:51:01] [INFO ] Transformed 803 transitions.
[2026-06-01 09:51:01] [INFO ] Parsed PT model containing 1304 places and 803 transitions and 3606 arcs in 208 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1304/1304 places, 803/803 transitions.
Ensure Unique test removed 390 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 80 transitions
Trivial Post-agglo rules discarded 80 transitions
Performed 80 trivial Post agglomeration. Transition count delta: 80
Iterating post reduction 0 with 470 rules applied. Total rules applied 470 place count 914 transition count 723
Reduce places removed 80 places and 0 transitions.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Iterating post reduction 1 with 160 rules applied. Total rules applied 630 place count 834 transition count 643
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 100 Pre rules applied. Total rules applied 630 place count 834 transition count 543
Deduced a syphon composed of 100 places in 1 ms
Ensure Unique test removed 100 places
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 930 place count 634 transition count 543
Applied a total of 930 rules in 93 ms. Remains 634 /1304 variables (removed 670) and now considering 543/803 (removed 260) transitions.
Running 443 sub problems to find dead transitions.
// Phase 1: matrix 543 rows 634 cols
[2026-06-01 09:51:01] [INFO ] Computed 202 invariants in 12 ms
[2026-06-01 09:51:01] [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
Problem TDEAD354 is UNSAT
Problem TDEAD359 is UNSAT
Problem TDEAD366 is UNSAT
Problem TDEAD370 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD392 is UNSAT
Problem TDEAD396 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/534 variables, 2/2 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/534 variables, 0/2 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 2 (OVERLAPS) 100/634 variables, 200/202 constraints. Problems are: Problem set: 10 solved, 433 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:12] [INFO ] Deduced a trap composed of 2 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:12] [INFO ] Deduced a trap composed of 14 places in 109 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:12] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 104 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 95 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:13] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:14] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/634 variables, 20/222 constraints. Problems are: Problem set: 10 solved, 433 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 634/1177 variables, and 222 constraints, problems are : Problem set: 10 solved, 433 unsolved in 20057 ms.
Refiners :[Positive P Invariants (semi-flows): 202/202 constraints, State Equation: 0/634 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 443/442 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 433 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/524 variables, 1/1 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/524 variables, 1/2 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/524 variables, 0/2 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 3 (OVERLAPS) 110/634 variables, 201/203 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/634 variables, 19/222 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/634 variables, 0/222 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 6 (OVERLAPS) 542/1176 variables, 634/856 constraints. Problems are: Problem set: 10 solved, 433 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1176 variables, 432/1288 constraints. Problems are: Problem set: 10 solved, 433 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-01 09:51:36] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 5 ms to minimize.
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD352 is UNSAT
(s566 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s566 0timeout
)
(s567 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1176/1177 variables, and 1289 constraints, problems are : Problem set: 20 solved, 423 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 202/202 constraints, State Equation: 634/634 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 433/442 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40260ms problems are : Problem set: 20 solved, 423 unsolved
Search for dead transitions found 20 dead transitions in 40282ms
Found 20 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 20 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 20 transitions.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 40684 ms.

BK_STOP 1780307502078

--------------------
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-00100"
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-00100, 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-178024404800127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00100.tgz
mv SupplyChain-PT-00100 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 ;