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.r084-tall-174860080100197.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 DLCshifumi-PT-3b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080100197
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.3M 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 1748734420795

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCshifumi-PT-3b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 23:33:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 23:33:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 23:33:42] [INFO ] Load time of PNML (sax parser for PT used): 325 ms
[2025-05-31 23:33:42] [INFO ] Transformed 7058 places.
[2025-05-31 23:33:42] [INFO ] Transformed 9611 transitions.
[2025-05-31 23:33:42] [INFO ] Found NUPN structural information;
[2025-05-31 23:33:42] [INFO ] Parsed PT model containing 7058 places and 9611 transitions and 24573 arcs in 609 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7058/7058 places, 9611/9611 transitions.
Graph (trivial) has 6795 edges and 7058 vertex of which 792 / 7058 are part of one of the 51 SCC in 27 ms
Free SCC test removed 741 places
Ensure Unique test removed 786 transitions
Reduce isomorphic transitions removed 786 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3516 transitions
Trivial Post-agglo rules discarded 3516 transitions
Performed 3516 trivial Post agglomeration. Transition count delta: 3516
Iterating post reduction 0 with 3516 rules applied. Total rules applied 3517 place count 6317 transition count 5309
Reduce places removed 3516 places and 0 transitions.
Ensure Unique test removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 123 transitions
Trivial Post-agglo rules discarded 123 transitions
Performed 123 trivial Post agglomeration. Transition count delta: 123
Iterating post reduction 1 with 3765 rules applied. Total rules applied 7282 place count 2801 transition count 5060
Reduce places removed 123 places and 0 transitions.
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 39 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 2 with 201 rules applied. Total rules applied 7483 place count 2678 transition count 4982
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 3 with 39 rules applied. Total rules applied 7522 place count 2639 transition count 4982
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 39 Pre rules applied. Total rules applied 7522 place count 2639 transition count 4943
Deduced a syphon composed of 39 places in 103 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 4 with 78 rules applied. Total rules applied 7600 place count 2600 transition count 4943
Performed 1402 Post agglomeration using F-continuation condition.Transition count delta: 1402
Deduced a syphon composed of 1402 places in 2 ms
Reduce places removed 1402 places and 0 transitions.
Iterating global reduction 4 with 2804 rules applied. Total rules applied 10404 place count 1198 transition count 3541
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition with reduction of 99 identical transitions.
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 4 with 202 rules applied. Total rules applied 10606 place count 1097 transition count 3743
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 10607 place count 1097 transition count 3742
Performed 19 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 19 places in 2 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 5 with 38 rules applied. Total rules applied 10645 place count 1078 transition count 3803
Applied a total of 10645 rules in 668 ms. Remains 1078 /7058 variables (removed 5980) and now considering 3803/9611 (removed 5808) transitions.
[2025-05-31 23:33:43] [INFO ] Flow matrix only has 3623 transitions (discarded 180 similar events)
// Phase 1: matrix 3623 rows 1078 cols
[2025-05-31 23:33:43] [INFO ] Computed 282 invariants in 37 ms
[2025-05-31 23:33:44] [INFO ] Implicit Places using invariants in 1052 ms returned []
[2025-05-31 23:33:44] [INFO ] Flow matrix only has 3623 transitions (discarded 180 similar events)
[2025-05-31 23:33:44] [INFO ] Invariant cache hit.
[2025-05-31 23:33:45] [INFO ] State equation strengthened by 372 read => feed constraints.
[2025-05-31 23:33:47] [INFO ] Implicit Places using invariants and state equation in 3037 ms returned []
Implicit Place search using SMT with State Equation took 4129 ms to find 0 implicit places.
Running 3795 sub problems to find dead transitions.
[2025-05-31 23:33:47] [INFO ] Flow matrix only has 3623 transitions (discarded 180 similar events)
[2025-05-31 23:33:47] [INFO ] Invariant cache hit.
[2025-05-31 23:33:47] [INFO ] State equation strengthened by 372 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1077 variables, 1077/1077 constraints. Problems are: Problem set: 0 solved, 3795 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1077/4701 variables, and 1077 constraints, problems are : Problem set: 0 solved, 3795 unsolved in 30088 ms.
Refiners :[Domain max(s): 1077/1078 constraints, Positive P Invariants (semi-flows): 0/282 constraints, State Equation: 0/1078 constraints, ReadFeed: 0/372 constraints, PredecessorRefiner: 3795/3795 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3795 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1077 variables, 1077/1077 constraints. Problems are: Problem set: 0 solved, 3795 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1077/4701 variables, and 1077 constraints, problems are : Problem set: 0 solved, 3795 unsolved in 30052 ms.
Refiners :[Domain max(s): 1077/1078 constraints, Positive P Invariants (semi-flows): 0/282 constraints, State Equation: 0/1078 constraints, ReadFeed: 0/372 constraints, PredecessorRefiner: 0/3795 constraints, Known Traps: 0/0 constraints]
After SMT, in 65100ms problems are : Problem set: 0 solved, 3795 unsolved
Search for dead transitions found 0 dead transitions in 65156ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1078/7058 places, 3803/9611 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 70009 ms. Remains : 1078/7058 places, 3803/9611 transitions.
Discarding 1021 transitions out of 3803. Remains 2782
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 6996 ms. (5 steps per ms) remains 1/2781 properties
BEST_FIRST walk for 40004 steps (8 resets) in 258 ms. (154 steps per ms) remains 1/1 properties
[2025-05-31 23:34:55] [INFO ] Flow matrix only has 3623 transitions (discarded 180 similar events)
[2025-05-31 23:34:55] [INFO ] Invariant cache hit.
[2025-05-31 23:34:55] [INFO ] State equation strengthened by 372 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 10/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1066/1078 variables, 280/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1078 variables, 1066/1360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1078 variables, 0/1360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3622/4700 variables, 1078/2438 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/4700 variables, 371/2809 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4700 variables, 0/2809 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/4701 variables, 1/2810 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4701 variables, 0/2810 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/4701 variables, 0/2810 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4701/4701 variables, and 2810 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1704 ms.
Refiners :[Domain max(s): 1078/1078 constraints, Positive P Invariants (semi-flows): 282/282 constraints, State Equation: 1078/1078 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 10/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1066/1078 variables, 280/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1078 variables, 1066/1360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1078 variables, 0/1360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3622/4700 variables, 1078/2438 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4700 variables, 371/2809 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4700 variables, 1/2810 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4700 variables, 0/2810 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/4701 variables, 1/2811 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/4701 variables, 0/2811 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/4701 variables, 0/2811 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4701/4701 variables, and 2811 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1418 ms.
Refiners :[Domain max(s): 1078/1078 constraints, Positive P Invariants (semi-flows): 282/282 constraints, State Equation: 1078/1078 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 3165ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 193 steps, including 0 resets, run visited all 1 properties in 13 ms. (steps per millisecond=14 )
Parikh walk visited 1 properties in 25 ms.
Able to resolve query QuasiLiveness after proving 2782 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 76162 ms.
ITS solved all properties within timeout

BK_STOP 1748734498530

--------------------
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="DLCshifumi-PT-3b"
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 DLCshifumi-PT-3b, 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 r084-tall-174860080100197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-3b.tgz
mv DLCshifumi-PT-3b 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 ;