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.r210-tall-174894547700482.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 ShieldPPPs-PT-100B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tall-174894547700482
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 1.8M May 29 14:33 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 1749028977313

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-100B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-04 09:22:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-04 09:22:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 09:22:58] [INFO ] Load time of PNML (sax parser for PT used): 296 ms
[2025-06-04 09:22:59] [INFO ] Transformed 6803 places.
[2025-06-04 09:22:59] [INFO ] Transformed 6303 transitions.
[2025-06-04 09:22:59] [INFO ] Found NUPN structural information;
[2025-06-04 09:22:59] [INFO ] Parsed PT model containing 6803 places and 6303 transitions and 17406 arcs in 802 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6803/6803 places, 6303/6303 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 702 transitions
Trivial Post-agglo rules discarded 702 transitions
Performed 702 trivial Post agglomeration. Transition count delta: 702
Iterating post reduction 0 with 702 rules applied. Total rules applied 702 place count 6803 transition count 5601
Reduce places removed 702 places and 0 transitions.
Iterating post reduction 1 with 702 rules applied. Total rules applied 1404 place count 6101 transition count 5601
Performed 500 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 500 Pre rules applied. Total rules applied 1404 place count 6101 transition count 5101
Deduced a syphon composed of 500 places in 82 ms
Reduce places removed 500 places and 0 transitions.
Iterating global reduction 2 with 1000 rules applied. Total rules applied 2404 place count 5601 transition count 5101
Performed 2400 Post agglomeration using F-continuation condition.Transition count delta: 2400
Deduced a syphon composed of 2400 places in 7 ms
Reduce places removed 2400 places and 0 transitions.
Iterating global reduction 2 with 4800 rules applied. Total rules applied 7204 place count 3201 transition count 2701
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 7204 rules in 896 ms. Remains 3201 /6803 variables (removed 3602) and now considering 2701/6303 (removed 3602) transitions.
// Phase 1: matrix 2701 rows 3201 cols
[2025-06-04 09:23:00] [INFO ] Computed 1101 invariants in 53 ms
[2025-06-04 09:23:02] [INFO ] Implicit Places using invariants in 2297 ms returned []
[2025-06-04 09:23:02] [INFO ] Invariant cache hit.
[2025-06-04 09:23:06] [INFO ] Implicit Places using invariants and state equation in 4191 ms returned []
Implicit Place search using SMT with State Equation took 6518 ms to find 0 implicit places.
Running 2700 sub problems to find dead transitions.
[2025-06-04 09:23:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3200 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 2700 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3200/5902 variables, and 3200 constraints, problems are : Problem set: 0 solved, 2700 unsolved in 30075 ms.
Refiners :[Domain max(s): 3200/3201 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3201 constraints, PredecessorRefiner: 2700/2700 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2700 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3200 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 2700 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3200/5902 variables, and 3200 constraints, problems are : Problem set: 0 solved, 2700 unsolved in 30038 ms.
Refiners :[Domain max(s): 3200/3201 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3201 constraints, PredecessorRefiner: 0/2700 constraints, Known Traps: 0/0 constraints]
After SMT, in 61585ms problems are : Problem set: 0 solved, 2700 unsolved
Search for dead transitions found 0 dead transitions in 61630ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3201/6803 places, 2701/6303 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 69084 ms. Remains : 3201/6803 places, 2701/6303 transitions.
Discarding 600 transitions out of 2701. Remains 2101
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 8180 ms. (4 steps per ms) remains 917/2100 properties
BEST_FIRST walk for 121 steps (8 resets) in 15 ms. (7 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 120 steps (8 resets) in 38 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 37 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 917/917 properties
BEST_FIRST walk for 120 steps (8 resets) in 40 ms. (2 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 29 ms. (4 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 29 ms. (4 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 41 ms. (2 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 917/917 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 917/917 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 917/917 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 917/917 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 917/917 properties
[2025-06-04 09:24:11] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1407 variables, 1407/1407 constraints. Problems are: Problem set: 0 solved, 917 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1407/5902 variables, and 1407 constraints, problems are : Problem set: 0 solved, 917 unsolved in 5023 ms.
Refiners :[Domain max(s): 1407/3201 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3201 constraints, PredecessorRefiner: 917/917 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 917 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1407 variables, 1407/1407 constraints. Problems are: Problem set: 0 solved, 917 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1407/5902 variables, and 1407 constraints, problems are : Problem set: 0 solved, 917 unsolved in 5016 ms.
Refiners :[Domain max(s): 1407/3201 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3201 constraints, PredecessorRefiner: 0/917 constraints, Known Traps: 0/0 constraints]
After SMT, in 10638ms problems are : Problem set: 0 solved, 917 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1407 out of 3201 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3201/3201 places, 2701/2701 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 3145 transition count 2645
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 3145 transition count 2645
Partial Free-agglomeration rule applied 494 times.
Drop transitions (Partial Free agglomeration) removed 494 transitions
Iterating global reduction 0 with 494 rules applied. Total rules applied 606 place count 3145 transition count 2645
Applied a total of 606 rules in 569 ms. Remains 3145 /3201 variables (removed 56) and now considering 2645/2701 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 570 ms. Remains : 3145/3201 places, 2645/2701 transitions.
RANDOM walk for 414149 steps (18 resets) in 18778 ms. (22 steps per ms) remains 0/917 properties
Able to resolve query QuasiLiveness after proving 2101 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 89400 ms.
ITS solved all properties within timeout

BK_STOP 1749029067965

--------------------
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="ShieldPPPs-PT-100B"
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 ShieldPPPs-PT-100B, 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 r210-tall-174894547700482"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-100B.tgz
mv ShieldPPPs-PT-100B 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 ;