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-174860080600442.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is Echo-PT-d03r07, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080600442
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K 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 47K 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 3.5K 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 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K 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 3.6K 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 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.2M 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 1748740865802

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d03r07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 01:21:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-01 01:21:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 01:21:07] [INFO ] Load time of PNML (sax parser for PT used): 315 ms
[2025-06-01 01:21:07] [INFO ] Transformed 4209 places.
[2025-06-01 01:21:07] [INFO ] Transformed 3518 transitions.
[2025-06-01 01:21:07] [INFO ] Found NUPN structural information;
[2025-06-01 01:21:07] [INFO ] Parsed PT model containing 4209 places and 3518 transitions and 25540 arcs in 490 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4209/4209 places, 3518/3518 transitions.
Reduce places removed 343 places and 0 transitions.
Iterating post reduction 0 with 343 rules applied. Total rules applied 343 place count 3866 transition count 3518
Applied a total of 343 rules in 123 ms. Remains 3866 /4209 variables (removed 343) and now considering 3518/3518 (removed 0) transitions.
// Phase 1: matrix 3518 rows 3866 cols
[2025-06-01 01:21:15] [INFO ] Invariants computation overflowed in 7094 ms
[2025-06-01 01:21:18] [INFO ] Implicit Places using invariants in 10841 ms returned []
// Phase 1: matrix 3518 rows 3866 cols
[2025-06-01 01:21:25] [INFO ] Invariants computation overflowed in 7064 ms
[2025-06-01 01:22:33] [INFO ] Performed 1/3866 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2025-06-01 01:23:05] [INFO ] Performed 3/3866 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2025-06-01 01:23:38] [INFO ] Performed 5/3866 implicitness test of which 0 returned IMPLICIT in 96 seconds.
[2025-06-01 01:24:05] [INFO ] Implicit Places using invariants and state equation in 167110 ms returned []
Implicit Place search using SMT with State Equation took 177989 ms to find 0 implicit places.
Running 3517 sub problems to find dead transitions.
// Phase 1: matrix 3518 rows 3866 cols
[2025-06-01 01:24:12] [INFO ] Invariants computation overflowed in 6911 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3865 variables, 3865/3865 constraints. Problems are: Problem set: 0 solved, 3517 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3865/7384 variables, and 3865 constraints, problems are : Problem set: 0 solved, 3517 unsolved in 30137 ms.
Refiners :[Domain max(s): 3865/3866 constraints, State Equation: 0/3866 constraints, PredecessorRefiner: 3517/3517 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3517 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3865 variables, 3865/3865 constraints. Problems are: Problem set: 0 solved, 3517 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 3865/7384 variables, and 3865 constraints, problems are : Problem set: 0 solved, 3517 unsolved in 30049 ms.
Refiners :[Domain max(s): 3865/3866 constraints, State Equation: 0/3866 constraints, PredecessorRefiner: 0/3517 constraints, Known Traps: 0/0 constraints]
After SMT, in 70032ms problems are : Problem set: 0 solved, 3517 unsolved
Search for dead transitions found 0 dead transitions in 70110ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3866/4209 places, 3518/3518 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 248275 ms. Remains : 3866/4209 places, 3518/3518 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (56 resets) in 8361 ms. (4 steps per ms) remains 17/3517 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 62 ms. (63 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 17/17 properties
// Phase 1: matrix 3518 rows 3866 cols
[2025-06-01 01:25:25] [INFO ] Invariants computation overflowed in 6938 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 545/641 variables, 96/192 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/641 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 2703/3344 variables, 1066/1258 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3344 variables, 1066/2324 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3344 variables, 0/2324 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 2347/5691 variables, 1455/3779 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5691 variables, 1455/5234 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5691/7384 variables, and 5234 constraints, problems are : Problem set: 0 solved, 17 unsolved in 5017 ms.
Refiners :[Domain max(s): 2617/3866 constraints, State Equation: 2617/3866 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 545/641 variables, 96/192 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/641 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 2703/3344 variables, 1066/1258 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3344 variables, 1066/2324 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3344 variables, 17/2341 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3344 variables, 0/2341 constraints. Problems are: Problem set: 0 solved, 17 unsolved
SMT process timed out in 17032ms, After SMT, problems are : Problem set: 0 solved, 17 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 96 out of 3866 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3866/3866 places, 3518/3518 transitions.
Graph (complete) has 14527 edges and 3866 vertex of which 3855 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.18 ms
Discarding 11 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 3855 transition count 3513
Applied a total of 5 rules in 552 ms. Remains 3855 /3866 variables (removed 11) and now considering 3513/3518 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 553 ms. Remains : 3855/3866 places, 3513/3518 transitions.
RANDOM walk for 413087 steps (603 resets) in 19267 ms. (21 steps per ms) remains 0/17 properties
Able to resolve query QuasiLiveness after proving 3518 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 274845 ms.
ITS solved all properties within timeout

BK_STOP 1748741142138

--------------------
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="Echo-PT-d03r07"
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 Echo-PT-d03r07, 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-174860080600442"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r07.tgz
mv Echo-PT-d03r07 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 ;