Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372700172.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 ARMCacheCoherence-PT-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372700172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 6.6K Mar 4 18:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 4 18:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 4 18:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 4 18:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.6K Mar 4 18:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 46K Mar 4 18:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 115K Mar 4 18:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 14M 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 1779687150000

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ARMCacheCoherence-PT-none
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:32:31] [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]
[2026-05-25 05:32:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:32:32] [INFO ] Load time of PNML (sax parser for PT used): 919 ms
[2026-05-25 05:32:32] [INFO ] Transformed 87 places.
[2026-05-25 05:32:33] [INFO ] Transformed 33676 transitions.
[2026-05-25 05:32:33] [INFO ] Found NUPN structural information;
[2026-05-25 05:32:33] [INFO ] Parsed PT model containing 87 places and 33676 transitions and 246935 arcs in 1253 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 87/87 places, 33676/33676 transitions.
Graph (trivial) has 135 edges and 87 vertex of which 6 / 87 are part of one of the 3 SCC in 17 ms
Free SCC test removed 3 places
Ensure Unique test removed 32434 transitions
Reduce isomorphic transitions removed 32434 transitions.
Performed 23 Post agglomeration using F-continuation condition with reduction of 112 identical transitions.
Deduced a syphon composed of 23 places in 2 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 47 place count 61 transition count 1107
Ensure Unique test removed 393 transitions
Reduce isomorphic transitions removed 393 transitions.
Iterating post reduction 0 with 393 rules applied. Total rules applied 440 place count 61 transition count 714
Applied a total of 440 rules in 184 ms. Remains 61 /87 variables (removed 26) and now considering 714/33676 (removed 32962) transitions.
[2026-05-25 05:32:33] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
// Phase 1: matrix 184 rows 61 cols
[2026-05-25 05:32:33] [INFO ] Computed 12 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:32:33] [INFO ] Implicit Places using invariants in 472 ms returned []
[2026-05-25 05:32:33] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
[2026-05-25 05:32:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:32:34] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-25 05:32:34] [INFO ] Implicit Places using invariants and state equation in 265 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
Running 713 sub problems to find dead transitions.
[2026-05-25 05:32:34] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
[2026-05-25 05:32:34] [INFO ] Invariant cache hit.
[2026-05-25 05:32:34] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 1/61 variables, 12/72 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 5 (OVERLAPS) 183/244 variables, 61/134 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 115/249 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 244/245 variables, and 249 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30068 ms.
Refiners :[Domain max(s): 61/61 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 61/61 constraints, ReadFeed: 115/116 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 713 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 1/61 variables, 12/72 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 5 (OVERLAPS) 183/244 variables, 61/134 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 115/249 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 713/962 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/245 variables, and 962 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30047 ms.
Refiners :[Domain max(s): 61/61 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 61/61 constraints, ReadFeed: 115/116 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60939ms problems are : Problem set: 0 solved, 713 unsolved
Search for dead transitions found 0 dead transitions in 60991ms
Starting structural reductions in LIVENESS mode, iteration 1 : 61/87 places, 714/33676 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62047 ms. Remains : 61/87 places, 714/33676 transitions.
Discarding 325 transitions out of 714. Remains 389
Initial state reduction rules removed 1 formulas.
[2026-05-25 05:33:35] [INFO ] Flatten gal took : 132 ms
[2026-05-25 05:33:35] [INFO ] Flatten gal took : 69 ms
[2026-05-25 05:33:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6967328619410368342.gal : 68 ms
[2026-05-25 05:33:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10618748028789600484.prop : 6 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/ReachabilityCardinality6967328619410368342.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10618748028789600484.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10618748028789600484.prop.
RANDOM walk for 35275 steps (304 resets) in 3282 ms. (10 steps per ms) remains 0/388 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 389 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 64524 ms.

BK_STOP 1779687216351

--------------------
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="ARMCacheCoherence-PT-none"
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 ARMCacheCoherence-PT-none, 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 r016-oct2-177944372700172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ARMCacheCoherence-PT-none.tgz
mv ARMCacheCoherence-PT-none 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 ;