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-174931350200172.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-0505, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350200172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 944K
-rw-r--r-- 1 mcc users 6.6K Jun 6 09:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Jun 6 09:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Jun 6 08:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Jun 6 08:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jun 6 11:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Jun 6 11:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Jun 6 11:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 11:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 14K Jun 6 09:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K Jun 6 09:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Jun 6 09:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Jun 6 09:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 6 11:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 6 11:56 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 485K 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 1749319368140

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-0505
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 18:02:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-07 18:02:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 18:02:49] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2025-06-07 18:02:49] [INFO ] Transformed 203 places.
[2025-06-07 18:02:49] [INFO ] Transformed 949 transitions.
[2025-06-07 18:02:49] [INFO ] Found NUPN structural information;
[2025-06-07 18:02:49] [INFO ] Parsed PT model containing 203 places and 949 transitions and 10344 arcs in 237 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 203/203 places, 949/949 transitions.
Graph (trivial) has 169 edges and 203 vertex of which 6 / 203 are part of one of the 3 SCC in 3 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 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 70 rules applied. Total rules applied 71 place count 200 transition count 876
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 141 place count 130 transition count 876
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 141 place count 130 transition count 873
Deduced a syphon composed of 3 places in 4 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 147 place count 127 transition count 873
Performed 70 Post agglomeration using F-continuation condition.Transition count delta: 70
Deduced a syphon composed of 70 places in 2 ms
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 2 with 140 rules applied. Total rules applied 287 place count 57 transition count 803
Applied a total of 287 rules in 127 ms. Remains 57 /203 variables (removed 146) and now considering 803/949 (removed 146) transitions.
[2025-06-07 18:02:49] [INFO ] Flow matrix only has 548 transitions (discarded 255 similar events)
// Phase 1: matrix 548 rows 57 cols
[2025-06-07 18:02:49] [INFO ] Computed 16 invariants in 25 ms
[2025-06-07 18:02:50] [INFO ] Implicit Places using invariants in 576 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 607 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 56/203 places, 803/949 transitions.
Applied a total of 0 rules in 7 ms. Remains 56 /56 variables (removed 0) and now considering 803/803 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 760 ms. Remains : 56/203 places, 803/949 transitions.
Discarding 27 transitions out of 803. Remains 776
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 3105 ms. (12 steps per ms) remains 495/775 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 25 ms. (15 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 4 ms. (80 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 4 ms. (80 steps per ms) remains 495/495 properties
[2025-06-07 18:02:51] [INFO ] Flow matrix only has 548 transitions (discarded 255 similar events)
// Phase 1: matrix 548 rows 56 cols
[2025-06-07 18:02:51] [INFO ] Computed 15 invariants in 9 ms
[2025-06-07 18:02:51] [INFO ] State equation strengthened by 258 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 2 (OVERLAPS) 3/36 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 5 (OVERLAPS) 15/51 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/51 variables, 15/61 constraints. Problems are: Problem set: 0 solved, 495 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 51/604 variables, and 61 constraints, problems are : Problem set: 0 solved, 495 unsolved in 5028 ms.
Refiners :[Domain max(s): 51/56 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 0/5 constraints, State Equation: 0/56 constraints, ReadFeed: 0/258 constraints, PredecessorRefiner: 495/495 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 495 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 2 (OVERLAPS) 3/36 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 5 (OVERLAPS) 15/51 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/51 variables, 15/61 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/51 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 8 (OVERLAPS) 5/56 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 495 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 5/71 constraints. Problems are: Problem set: 0 solved, 495 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 56/604 variables, and 71 constraints, problems are : Problem set: 0 solved, 495 unsolved in 5018 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/56 constraints, ReadFeed: 0/258 constraints, PredecessorRefiner: 0/495 constraints, Known Traps: 0/0 constraints]
After SMT, in 15623ms problems are : Problem set: 0 solved, 495 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 803/803 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 56 transition count 800
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 5 place count 54 transition count 783
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 54 transition count 783
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 54 transition count 781
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 13 place count 52 transition count 803
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 52 transition count 802
Free-agglomeration rule applied 5 times.
Iterating global reduction 3 with 5 rules applied. Total rules applied 19 place count 52 transition count 797
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 37 place count 47 transition count 784
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 4 with 13 rules applied. Total rules applied 50 place count 47 transition count 771
Applied a total of 50 rules in 251 ms. Remains 47 /56 variables (removed 9) and now considering 771/803 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 251 ms. Remains : 47/56 places, 771/803 transitions.
RANDOM walk for 301937 steps (0 resets) in 3572 ms. (84 steps per ms) remains 0/495 properties
Able to resolve query QuasiLiveness after proving 776 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 19193 ms.
ITS solved all properties within timeout

BK_STOP 1749319388636

--------------------
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-0505"
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-0505, 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-174931350200172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV0-PT-0505.tgz
mv ErlangenMainframeV0-PT-0505 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 ;