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-174894547400337.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 ShieldIIPt-PT-030A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tall-174894547400337
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 3.7K 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 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K 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 137K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 31K 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 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 159K 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 1749026000061

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-030A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-04 08:33:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-04 08:33:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 08:33:21] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2025-06-04 08:33:21] [INFO ] Transformed 573 places.
[2025-06-04 08:33:21] [INFO ] Transformed 423 transitions.
[2025-06-04 08:33:21] [INFO ] Found NUPN structural information;
[2025-06-04 08:33:21] [INFO ] Parsed PT model containing 573 places and 423 transitions and 1806 arcs in 215 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 573/573 places, 423/423 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 573 transition count 422
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 573 transition count 421
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 572 transition count 421
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 571 transition count 420
Applied a total of 5 rules in 73 ms. Remains 571 /573 variables (removed 2) and now considering 420/423 (removed 3) transitions.
// Phase 1: matrix 420 rows 571 cols
[2025-06-04 08:33:21] [INFO ] Computed 271 invariants in 28 ms
[2025-06-04 08:33:22] [INFO ] Implicit Places using invariants in 555 ms returned [563, 564]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 586 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 569/573 places, 420/423 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 569 transition count 419
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 568 transition count 419
Applied a total of 2 rules in 17 ms. Remains 568 /569 variables (removed 1) and now considering 419/420 (removed 1) transitions.
// Phase 1: matrix 419 rows 568 cols
[2025-06-04 08:33:22] [INFO ] Computed 269 invariants in 3 ms
[2025-06-04 08:33:22] [INFO ] Implicit Places using invariants in 396 ms returned [557]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 399 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 567/573 places, 419/423 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 566 transition count 418
Applied a total of 2 rules in 13 ms. Remains 566 /567 variables (removed 1) and now considering 418/419 (removed 1) transitions.
// Phase 1: matrix 418 rows 566 cols
[2025-06-04 08:33:22] [INFO ] Computed 268 invariants in 3 ms
[2025-06-04 08:33:23] [INFO ] Implicit Places using invariants in 305 ms returned []
[2025-06-04 08:33:23] [INFO ] Invariant cache hit.
[2025-06-04 08:33:23] [INFO ] Implicit Places using invariants and state equation in 556 ms returned []
Implicit Place search using SMT with State Equation took 865 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 566/573 places, 418/423 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 1971 ms. Remains : 566/573 places, 418/423 transitions.
Discarding 119 transitions out of 418. Remains 299
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 2398 ms. (16 steps per ms) remains 144/298 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 144/144 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 144/144 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 144/144 properties
[2025-06-04 08:33:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/276 variables, 276/276 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/276 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 10/286 variables, 135/411 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 10/421 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 280/566 variables, 133/554 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 280/834 constraints. Problems are: Problem set: 0 solved, 144 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 566/984 variables, and 834 constraints, problems are : Problem set: 0 solved, 144 unsolved in 5016 ms.
Refiners :[Domain max(s): 566/566 constraints, Positive P Invariants (semi-flows): 268/268 constraints, State Equation: 0/566 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/276 variables, 276/276 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/276 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 10/286 variables, 135/411 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/286 variables, 10/421 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 280/566 variables, 133/554 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 280/834 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 0/834 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 418/984 variables, 566/1400 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/984 variables, 144/1544 constraints. Problems are: Problem set: 0 solved, 144 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 984/984 variables, and 1544 constraints, problems are : Problem set: 0 solved, 144 unsolved in 5011 ms.
Refiners :[Domain max(s): 566/566 constraints, Positive P Invariants (semi-flows): 268/268 constraints, State Equation: 566/566 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints]
After SMT, in 10151ms problems are : Problem set: 0 solved, 144 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 276 out of 566 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 566/566 places, 418/418 transitions.
Partial Free-agglomeration rule applied 30 times.
Drop transitions (Partial Free agglomeration) removed 30 transitions
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 566 transition count 418
Applied a total of 30 rules in 57 ms. Remains 566 /566 variables (removed 0) and now considering 418/418 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 566/566 places, 418/418 transitions.
RANDOM walk for 4000000 steps (8 resets) in 41634 ms. (96 steps per ms) remains 0/144 properties
Able to resolve query QuasiLiveness after proving 299 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 25728 ms.
ITS solved all properties within timeout

BK_STOP 1749026027128

--------------------
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="ShieldIIPt-PT-030A"
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 ShieldIIPt-PT-030A, 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-174894547400337"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-030A.tgz
mv ShieldIIPt-PT-030A 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 ;