Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r168-tall-174881266800312.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is PolyORBLF-PT-S04J06T10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881266800312
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 16K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 267K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.1M May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 121K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 395K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 36K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 214K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 942K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.3M May 29 14:32 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 1748900261167

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBLF-PT-S04J06T10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 21:37:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 21:37:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:37:42] [INFO ] Load time of PNML (sax parser for PT used): 303 ms
[2025-06-02 21:37:42] [INFO ] Transformed 966 places.
[2025-06-02 21:37:42] [INFO ] Transformed 5354 transitions.
[2025-06-02 21:37:42] [INFO ] Parsed PT model containing 966 places and 5354 transitions and 36134 arcs in 435 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 966/966 places, 5354/5354 transitions.
Ensure Unique test removed 4 places
Ensure Unique test removed 2710 transitions
Reduce isomorphic transitions removed 2710 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 2804 rules applied. Total rules applied 2804 place count 962 transition count 2554
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 2894 place count 872 transition count 2554
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 2894 place count 872 transition count 2434
Deduced a syphon composed of 120 places in 10 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 3134 place count 752 transition count 2434
Performed 100 Post agglomeration using F-continuation condition.Transition count delta: 100
Deduced a syphon composed of 100 places in 4 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 2 with 200 rules applied. Total rules applied 3334 place count 652 transition count 2334
Applied a total of 3334 rules in 199 ms. Remains 652 /966 variables (removed 314) and now considering 2334/5354 (removed 3020) transitions.
Running 2330 sub problems to find dead transitions.
[2025-06-02 21:37:43] [INFO ] Flow matrix only has 2294 transitions (discarded 40 similar events)
// Phase 1: matrix 2294 rows 652 cols
[2025-06-02 21:37:43] [INFO ] Computed 58 invariants in 133 ms
[2025-06-02 21:37:43] [INFO ] State equation strengthened by 200 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/648 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 2330 unsolved
SMT process timed out in 32259ms, After SMT, problems are : Problem set: 0 solved, 2330 unsolved
Search for dead transitions found 0 dead transitions in 32315ms
[2025-06-02 21:38:15] [INFO ] Flow matrix only has 2294 transitions (discarded 40 similar events)
[2025-06-02 21:38:15] [INFO ] Invariant cache hit.
[2025-06-02 21:38:16] [INFO ] Implicit Places using invariants in 1008 ms returned [67, 148, 183, 229, 315, 352, 375, 449, 488, 569]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1023 ms to find 10 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 642/966 places, 2334/5354 transitions.
Applied a total of 0 rules in 15 ms. Remains 642 /642 variables (removed 0) and now considering 2334/2334 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 33616 ms. Remains : 642/966 places, 2334/5354 transitions.
Initial state reduction rules removed 4 formulas.
RANDOM walk for 40000 steps (8 resets) in 6241 ms. (6 steps per ms) remains 577/2330 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 26 ms. (4 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 27 ms. (4 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 577/577 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 577/577 properties
[2025-06-02 21:38:18] [INFO ] Flow matrix only has 2294 transitions (discarded 40 similar events)
// Phase 1: matrix 2294 rows 642 cols
[2025-06-02 21:38:18] [INFO ] Computed 48 invariants in 64 ms
[2025-06-02 21:38:18] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (OVERLAPS) 1/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Problem qltransition_12 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 10852ms, After SMT, problems are : Problem set: 0 solved, 577 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 out of 642 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 642/642 places, 2334/2334 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 636 transition count 2328
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 636 transition count 2328
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 22 place count 636 transition count 2318
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 32 place count 626 transition count 2318
Applied a total of 32 rules in 277 ms. Remains 626 /642 variables (removed 16) and now considering 2318/2334 (removed 16) transitions.
Running 2314 sub problems to find dead transitions.
[2025-06-02 21:38:29] [INFO ] Flow matrix only has 2278 transitions (discarded 40 similar events)
// Phase 1: matrix 2278 rows 626 cols
[2025-06-02 21:38:29] [INFO ] Computed 48 invariants in 40 ms
[2025-06-02 21:38:29] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2314 unsolved
SMT process timed out in 31905ms, After SMT, problems are : Problem set: 0 solved, 2314 unsolved
Search for dead transitions found 0 dead transitions in 31927ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32210 ms. Remains : 626/642 places, 2318/2334 transitions.
Total runtime 79255 ms.
ITS solved all properties within timeout

BK_STOP 1748900341745

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="PolyORBLF-PT-S04J06T10"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is PolyORBLF-PT-S04J06T10, 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 r168-tall-174881266800312"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S04J06T10.tgz
mv PolyORBLF-PT-S04J06T10 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 ;