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.r252-tall-174915606400632.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 ViralEpidemic-PT-S08D1C2A04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r252-tall-174915606400632
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 27M
-rw-r--r-- 1 mcc users 7.4K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 11 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 27M 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 1749208053318

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ViralEpidemic-PT-S08D1C2A04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-06 11:07:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-06 11:07:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 11:07:35] [INFO ] Load time of PNML (sax parser for PT used): 1138 ms
[2025-06-06 11:07:35] [INFO ] Transformed 46811 places.
[2025-06-06 11:07:36] [INFO ] Transformed 79577 transitions.
[2025-06-06 11:07:36] [INFO ] Parsed PT model containing 46811 places and 79577 transitions and 191921 arcs in 1595 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 46811/46811 places, 79577/79577 transitions.
Applied a total of 0 rules in 504 ms. Remains 46811 /46811 variables (removed 0) and now considering 79577/79577 (removed 0) transitions.
// Phase 1: matrix 79577 rows 46811 cols
[2025-06-06 11:07:50] [INFO ] Computed 1 invariants in 13124 ms
[2025-06-06 11:08:28] [INFO ] Performed 8021/46811 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 11:08:58] [INFO ] Performed 23648/46811 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-06 11:09:28] [INFO ] Performed 38453/46811 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2025-06-06 11:09:48] [INFO ] Implicit Places using invariants in 131971 ms returned []
Implicit Place search using SMT only with invariants took 132009 ms to find 0 implicit places.
Running 79576 sub problems to find dead transitions.
[2025-06-06 11:09:49] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 46810/126388 variables, and 0 constraints, problems are : Problem set: 0 solved, 79576 unsolved in 30932 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/46811 constraints, PredecessorRefiner: 79576/79576 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79576 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 46810/126388 variables, and 0 constraints, problems are : Problem set: 0 solved, 79576 unsolved in 30896 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/46811 constraints, PredecessorRefiner: 0/79576 constraints, Known Traps: 0/0 constraints]
After SMT, in 655239ms problems are : Problem set: 0 solved, 79576 unsolved
Search for dead transitions found 0 dead transitions in 656042ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 788782 ms. Remains : 46811/46811 places, 79577/79577 transitions.
Discarding 4680 transitions out of 79577. Remains 74897
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (12 resets) in 19667 ms. (2 steps per ms) remains 20831/74896 properties
BEST_FIRST walk for 124 steps (8 resets) in 107 ms. (1 steps per ms) remains 20826/20831 properties
BEST_FIRST walk for 124 steps (8 resets) in 89 ms. (1 steps per ms) remains 20826/20826 properties
BEST_FIRST walk for 124 steps (8 resets) in 101 ms. (1 steps per ms) remains 20825/20826 properties
BEST_FIRST walk for 124 steps (8 resets) in 108 ms. (1 steps per ms) remains 20825/20825 properties
BEST_FIRST walk for 124 steps (8 resets) in 114 ms. (1 steps per ms) remains 20825/20825 properties
BEST_FIRST walk for 124 steps (8 resets) in 91 ms. (1 steps per ms) remains 20817/20825 properties
BEST_FIRST walk for 124 steps (8 resets) in 92 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 84 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 92 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 84 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 73 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 69 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 69 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 76 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 75 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 72 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 72 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 59 ms. (2 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 71 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 71 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 69 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 70 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 96 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 75 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 81 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 93 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 69 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 64 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 64 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 65 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 64 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 64 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 67 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 72 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 63 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 71 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 69 ms. (1 steps per ms) remains 20817/20817 properties
BEST_FIRST walk for 124 steps (8 resets) in 68 ms. (1 steps per ms) remains 20817/20817 properties
[2025-06-06 11:20:52] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 18099/126388 variables, and 0 constraints, problems are : Problem set: 0 solved, 20817 unsolved in 5230 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/46811 constraints, PredecessorRefiner: 20817/20817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 18099/126388 variables, and 0 constraints, problems are : Problem set: 0 solved, 20817 unsolved in 5252 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/46811 constraints, PredecessorRefiner: 0/20817 constraints, Known Traps: 0/0 constraints]
After SMT, in 152107ms problems are : Problem set: 0 solved, 20817 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 18099 out of 46811 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 46811/46811 places, 79577/79577 transitions.
Graph (complete) has 37448 edges and 46811 vertex of which 24686 are kept as prefixes of interest. Removing 22125 places using SCC suffix rule.86 ms
Discarding 22125 places :
Also discarding 36199 output transitions
Drop transitions (Output transitions of discarded places.) removed 36199 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5701 transitions
Reduce isomorphic transitions removed 5701 transitions.
Iterating post reduction 0 with 5701 rules applied. Total rules applied 5702 place count 24686 transition count 37677
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 32 Pre rules applied. Total rules applied 5702 place count 24686 transition count 37645
Deduced a syphon composed of 32 places in 10 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 1 with 64 rules applied. Total rules applied 5766 place count 24654 transition count 37645
Discarding 3346 places :
Symmetric choice reduction at 1 with 3346 rule applications. Total rules 9112 place count 21308 transition count 32499
Iterating global reduction 1 with 3346 rules applied. Total rules applied 12458 place count 21308 transition count 32499
Performed 291 Post agglomeration using F-continuation condition.Transition count delta: 291
Deduced a syphon composed of 291 places in 6 ms
Reduce places removed 291 places and 0 transitions.
Iterating global reduction 1 with 582 rules applied. Total rules applied 13040 place count 21017 transition count 32208
Renaming transitions due to excessive name length > 1024 char.
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 13042 place count 21017 transition count 32206
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 13044 place count 21015 transition count 32206
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 13045 place count 21014 transition count 32205
Applied a total of 13045 rules in 5527 ms. Remains 21014 /46811 variables (removed 25797) and now considering 32205/79577 (removed 47372) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5528 ms. Remains : 21014/46811 places, 32205/79577 transitions.
RANDOM walk for 265551 steps (32 resets) in 120008 ms. (2 steps per ms) remains 0/20817 properties
Able to resolve query QuasiLiveness after proving 74897 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 986230 ms.
ITS solved all properties within timeout

BK_STOP 1749209040844

--------------------
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="ViralEpidemic-PT-S08D1C2A04"
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 ViralEpidemic-PT-S08D1C2A04, 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 r252-tall-174915606400632"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S08D1C2A04.tgz
mv ViralEpidemic-PT-S08D1C2A04 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 ;