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.r064-smll-177946904400272.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudDeployment-PT-2a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904400272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 6.5K Mar 6 11:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 11:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 11:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 11:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 11:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 6 11:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 11:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 11:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 51K 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 1779484812975

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-2a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 21:20:15] [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]
[2026-05-22 21:20:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:20:15] [INFO ] Load time of PNML (sax parser for PT used): 154 ms
[2026-05-22 21:20:15] [INFO ] Transformed 69 places.
[2026-05-22 21:20:15] [INFO ] Transformed 174 transitions.
[2026-05-22 21:20:15] [INFO ] Found NUPN structural information;
[2026-05-22 21:20:15] [INFO ] Parsed PT model containing 69 places and 174 transitions and 821 arcs in 379 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 69/69 places, 174/174 transitions.
Graph (trivial) has 89 edges and 69 vertex of which 20 / 69 are part of one of the 6 SCC in 6 ms
Free SCC test removed 14 places
Ensure Unique test removed 46 transitions
Reduce isomorphic transitions removed 46 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 51 transition count 128
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 17 place count 45 transition count 134
Applied a total of 17 rules in 80 ms. Remains 45 /69 variables (removed 24) and now considering 134/174 (removed 40) transitions.
[2026-05-22 21:20:16] [INFO ] Flow matrix only has 72 transitions (discarded 62 similar events)
// Phase 1: matrix 72 rows 45 cols
[2026-05-22 21:20:16] [INFO ] Computed 8 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:20:16] [INFO ] Implicit Places using invariants in 381 ms returned []
[2026-05-22 21:20:16] [INFO ] Flow matrix only has 72 transitions (discarded 62 similar events)
[2026-05-22 21:20:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:20:16] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-22 21:20:16] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 727 ms to find 0 implicit places.
Running 133 sub problems to find dead transitions.
[2026-05-22 21:20:16] [INFO ] Flow matrix only has 72 transitions (discarded 62 similar events)
[2026-05-22 21:20:16] [INFO ] Invariant cache hit.
[2026-05-22 21:20:16] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 8/52 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 71/115 variables, 44/96 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 31/127 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (OVERLAPS) 1/116 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 9 (OVERLAPS) 1/117 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/117 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (OVERLAPS) 0/117 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 130 constraints, problems are : Problem set: 0 solved, 133 unsolved in 10126 ms.
Refiners :[Domain max(s): 45/45 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 45/45 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 8/52 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 71/115 variables, 44/96 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 31/127 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 133/260 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (OVERLAPS) 1/116 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/116 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/116 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 10 (OVERLAPS) 1/117 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/117 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 12 (OVERLAPS) 0/117 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 263 constraints, problems are : Problem set: 0 solved, 133 unsolved in 11997 ms.
Refiners :[Domain max(s): 45/45 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 45/45 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22326ms problems are : Problem set: 0 solved, 133 unsolved
Search for dead transitions found 0 dead transitions in 22354ms
Starting structural reductions in LIVENESS mode, iteration 1 : 45/69 places, 134/174 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 23210 ms. Remains : 45/69 places, 134/174 transitions.
Discarding 96 transitions out of 134. Remains 38
Initial state reduction rules removed 1 formulas.
[2026-05-22 21:20:39] [INFO ] Flatten gal took : 55 ms
[2026-05-22 21:20:39] [INFO ] Flatten gal took : 30 ms
RANDOM walk for 40000 steps (2094 resets) in 1629 ms. (24 steps per ms) remains 2/37 properties
[2026-05-22 21:20:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18082579560688525359.gal : 15 ms
[2026-05-22 21:20:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7815568975006879079.prop : 2 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/ReachabilityCardinality18082579560688525359.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7815568975006879079.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 2329 steps (19 resets) in 44 ms. (51 steps per ms) remains 0/2 properties
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 38 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 24385 ms.

BK_STOP 1779484839979

--------------------
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="CloudDeployment-PT-2a"
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 CloudDeployment-PT-2a, 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 r064-smll-177946904400272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-2a.tgz
mv CloudDeployment-PT-2a 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 ;