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.r266-tall-174931350200182.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 ErlangenMainframeV0-PT-0707, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350200182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.8M
-rw-r--r-- 1 mcc users 7.8K Jun 6 09:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Jun 6 09:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Jun 6 08:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Jun 6 08:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Jun 6 11:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 11:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Jun 6 11:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 11:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 11K Jun 6 09:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Jun 6 09:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Jun 6 09:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Jun 6 09:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 6 11:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 6 11:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 5 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 5.4M Jun 5 20:08 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 1749319399203

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ErlangenMainframeV0-PT-0707
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 18:03:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-07 18:03:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 18:03:20] [INFO ] Load time of PNML (sax parser for PT used): 390 ms
[2025-06-07 18:03:20] [INFO ] Transformed 243 places.
[2025-06-07 18:03:21] [INFO ] Transformed 6817 transitions.
[2025-06-07 18:03:21] [INFO ] Found NUPN structural information;
[2025-06-07 18:03:21] [INFO ] Parsed PT model containing 243 places and 6817 transitions and 114442 arcs in 571 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 243/243 places, 6817/6817 transitions.
Graph (trivial) has 199 edges and 243 vertex of which 6 / 243 are part of one of the 3 SCC in 5 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 82 transitions
Trivial Post-agglo rules discarded 82 transitions
Performed 82 trivial Post agglomeration. Transition count delta: 82
Iterating post reduction 0 with 82 rules applied. Total rules applied 83 place count 240 transition count 6732
Reduce places removed 82 places and 0 transitions.
Iterating post reduction 1 with 82 rules applied. Total rules applied 165 place count 158 transition count 6732
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 165 place count 158 transition count 6729
Deduced a syphon composed of 3 places in 19 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 171 place count 155 transition count 6729
Performed 84 Post agglomeration using F-continuation condition.Transition count delta: 84
Deduced a syphon composed of 84 places in 2 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 339 place count 71 transition count 6645
Applied a total of 339 rules in 557 ms. Remains 71 /243 variables (removed 172) and now considering 6645/6817 (removed 172) transitions.
[2025-06-07 18:03:21] [INFO ] Flow matrix only has 4442 transitions (discarded 2203 similar events)
// Phase 1: matrix 4442 rows 71 cols
[2025-06-07 18:03:21] [INFO ] Computed 20 invariants in 118 ms
[2025-06-07 18:03:25] [INFO ] Implicit Places using invariants in 3368 ms returned [57]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 3449 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 70/243 places, 6645/6817 transitions.
Applied a total of 0 rules in 46 ms. Remains 70 /70 variables (removed 0) and now considering 6645/6645 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4072 ms. Remains : 70/243 places, 6645/6817 transitions.
Discarding 33 transitions out of 6645. Remains 6612
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 17563 ms. (2 steps per ms) remains 6096/6611 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 99 ms. (1 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 121 ms. (1 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 36 ms. (3 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 26 ms. (4 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 22 ms. (5 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 19 ms. (6 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 6096/6096 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 6096/6096 properties
Probabilistic random walk after 30001 steps, saw 14835 distinct states, run finished after 6986 ms. (steps per millisecond=4 ) properties seen :2
[2025-06-07 18:03:39] [INFO ] Flow matrix only has 4442 transitions (discarded 2203 similar events)
// Phase 1: matrix 4442 rows 70 cols
[2025-06-07 18:03:39] [INFO ] Computed 19 invariants in 56 ms
[2025-06-07 18:03:39] [INFO ] State equation strengthened by 2206 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 6094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 45/4512 variables, and 45 constraints, problems are : Problem set: 0 solved, 6094 unsolved in 5160 ms.
Refiners :[Domain max(s): 45/70 constraints, Positive P Invariants (semi-flows): 0/12 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/70 constraints, ReadFeed: 0/2206 constraints, PredecessorRefiner: 6094/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6094 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 6094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 45/4512 variables, and 45 constraints, problems are : Problem set: 0 solved, 6094 unsolved in 5092 ms.
Refiners :[Domain max(s): 45/70 constraints, Positive P Invariants (semi-flows): 0/12 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/70 constraints, ReadFeed: 0/2206 constraints, PredecessorRefiner: 6094/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 91848ms problems are : Problem set: 0 solved, 6094 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 45 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 6645/6645 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 70 transition count 6642
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 5 place count 68 transition count 6625
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 68 transition count 6625
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 9 place count 68 transition count 6623
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 67 transition count 6634
Free-agglomeration rule applied 7 times.
Iterating global reduction 2 with 7 rules applied. Total rules applied 18 place count 67 transition count 6627
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 43 place count 60 transition count 6609
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 3 with 11 rules applied. Total rules applied 54 place count 60 transition count 6598
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 55 place count 60 transition count 6597
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 62 place count 59 transition count 6591
Applied a total of 62 rules in 7816 ms. Remains 59 /70 variables (removed 11) and now considering 6591/6645 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7819 ms. Remains : 59/70 places, 6591/6645 transitions.
RANDOM walk for 720922 steps (0 resets) in 120004 ms. (6 steps per ms) remains 0/6094 properties
Able to resolve query QuasiLiveness after proving 6612 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 148694 ms.
ITS solved all properties within timeout

BK_STOP 1749319549207

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="ErlangenMainframeV0-PT-0707"
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 ErlangenMainframeV0-PT-0707, 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 r266-tall-174931350200182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV0-PT-0707.tgz
mv ErlangenMainframeV0-PT-0707 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 ;