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.r008-oct2-177944369700172.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 itstools
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 r008-oct2-177944369700172
=====================================================================

--------------------
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 1779654294648

Invoking MCC driver with
BK_TOOL=itstools
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 202604301425
[2026-05-24 20:24:55] [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]
[2026-05-24 20:24:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:24:56] [INFO ] Load time of PNML (sax parser for PT used): 807 ms
[2026-05-24 20:24:56] [INFO ] Transformed 87 places.
[2026-05-24 20:24:57] [INFO ] Transformed 33676 transitions.
[2026-05-24 20:24:57] [INFO ] Found NUPN structural information;
[2026-05-24 20:24:57] [INFO ] Parsed PT model containing 87 places and 33676 transitions and 246935 arcs in 1020 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 9 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 1 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 157 ms. Remains 61 /87 variables (removed 26) and now considering 714/33676 (removed 32962) transitions.
[2026-05-24 20:24:57] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14370728784896772192.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3955847031583980686.kers'
[2026-05-24 20:24:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14370728784896772192.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3955847031583980686.kers]
Normalized transition count is 183 out of 184 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 183 rows 61 cols 713 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 20:24:57] [INFO ] Computed 12 invariants in 1 ms
Computed 12 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3955847031583980686.kers
Total runtime 2 ms.
[2026-05-24 20:24:57] [INFO ] Implicit Places using invariants in 328 ms returned []
[2026-05-24 20:24:57] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
[2026-05-24 20:24:57] [INFO ] Invariant cache hit.
[2026-05-24 20:24:57] [INFO ] State equation strengthened by 116 read => feed constraints.
[2026-05-24 20:24:57] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
Running 713 sub problems to find dead transitions.
[2026-05-24 20:24:57] [INFO ] Flow matrix only has 184 transitions (discarded 530 similar events)
[2026-05-24 20:24:57] [INFO ] Invariant cache hit.
[2026-05-24 20:24:57] [INFO ] State equation strengthened by 116 read => feed constraints.
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, 0/249 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 8 (OVERLAPS) 1/245 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 245/245 variables, and 250 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30036 ms.
Refiners :[Domain max(s): 61/61 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 61/61 constraints, ReadFeed: 116/116 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
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
Error getting values : (error "Timeout of Z3 solver reached")
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 30035 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 60797ms problems are : Problem set: 0 solved, 713 unsolved
Search for dead transitions found 0 dead transitions in 60832ms
Starting structural reductions in LIVENESS mode, iteration 1 : 61/87 places, 714/33676 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 61664 ms. Remains : 61/87 places, 714/33676 transitions.
Discarding 325 transitions out of 714. Remains 389
Initial state reduction rules removed 1 formulas.
RANDOM walk for 36415 steps (318 resets) in 2000 ms. (18 steps per ms) remains 0/388 properties
[2026-05-24 20:25:59] [INFO ] Flatten gal took : 136 ms
[2026-05-24 20:25:59] [INFO ] Flatten gal took : 36 ms
[2026-05-24 20:25:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17643493863016492595.gal : 22 ms
[2026-05-24 20:25:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9503031141591831492.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17643493863016492595.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9503031141591831492.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 389 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 63555 ms.

BK_STOP 1779654359631

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="itstools"
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 itstools"
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 r008-oct2-177944369700172"
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 ;