Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876820100497.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 itstools
Input is PhaseVariation-PT-D10CS100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876820100497
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 12K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 4.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 118K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 9 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.9M 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 1748816137054

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PhaseVariation-PT-D10CS100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-01 22:15:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 22:15:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 22:15:38] [INFO ] Load time of PNML (sax parser for PT used): 248 ms
[2025-06-01 22:15:38] [INFO ] Transformed 302 places.
[2025-06-01 22:15:38] [INFO ] Transformed 3137 transitions.
[2025-06-01 22:15:38] [INFO ] Parsed PT model containing 302 places and 3137 transitions and 21755 arcs in 379 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 53 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-01 22:15:38] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-01 22:15:38] [INFO ] Computed 101 invariants in 15 ms
[2025-06-01 22:15:38] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20101 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 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 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20051 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41153ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 41205ms
[2025-06-01 22:16:20] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-01 22:16:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:16:20] [INFO ] Implicit Places using invariants in 331 ms returned []
[2025-06-01 22:16:20] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-01 22:16:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:16:20] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-01 22:16:20] [INFO ] Implicit Places using invariants and state equation in 519 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 888 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 16 ms. Remains 301 /301 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 42250 ms. Remains : 301/302 places, 3137/3137 transitions.
Discarding 1577 transitions out of 3137. Remains 1560
RANDOM walk for 40001 steps (162 resets) in 3829 ms. (10 steps per ms) remains 1/1560 properties
BEST_FIRST walk for 40004 steps (8 resets) in 398 ms. (100 steps per ms) remains 1/1 properties
[2025-06-01 22:16:22] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 301 cols
[2025-06-01 22:16:22] [INFO ] Computed 100 invariants in 3 ms
[2025-06-01 22:16:22] [INFO ] State equation strengthened by 183 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:16:22] [INFO ] Flatten gal took : 493 ms
[2025-06-01 22:16:22] [INFO ] Flatten gal took : 160 ms
[2025-06-01 22:16:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13097482157664432438.gal : 89 ms
[2025-06-01 22:16:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1165094938468383079.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13097482157664432438.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1165094938468383079.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
[2025-06-01 22:16:23] [INFO ] Deduced a trap composed of 1 places in 585 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 198/301 variables, 99/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/301 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem qltransition_111 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL
SMT process timed out in 965ms, After SMT, problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 301 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 301/301 places, 3137/3137 transitions.
Loading property file /tmp/ReachabilityCardinality1165094938468383079.prop.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 314 place count 293 transition count 2767
Iterating global reduction 0 with 8 rules applied. Total rules applied 322 place count 293 transition count 2767
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 330 place count 293 transition count 2759
Applied a total of 330 rules in 1666 ms. Remains 293 /301 variables (removed 8) and now considering 2759/3137 (removed 378) transitions.
Running 2749 sub problems to find dead transitions.
[2025-06-01 22:16:25] [INFO ] Flow matrix only has 193 transitions (discarded 2566 similar events)
// Phase 1: matrix 193 rows 293 cols
[2025-06-01 22:16:25] [INFO ] Computed 100 invariants in 5 ms
[2025-06-01 22:16:25] [INFO ] State equation strengthened by 183 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 25669
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/283 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 2749 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 283/486 variables, and 91 constraints, problems are : Problem set: 0 solved, 2749 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 91/100 constraints, State Equation: 0/293 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 2749/2748 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2749 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/283 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 2749 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 283/486 variables, and 91 constraints, problems are : Problem set: 0 solved, 2749 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 91/100 constraints, State Equation: 0/293 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/2748 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40735ms problems are : Problem set: 0 solved, 2749 unsolved
Search for dead transitions found 0 dead transitions in 40743ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42420 ms. Remains : 293/301 places, 2759/3137 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 87634 ms.

BK_STOP 1748816225971

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="PhaseVariation-PT-D10CS100"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is PhaseVariation-PT-D10CS100, 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 r147-tall-174876820100497"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D10CS100.tgz
mv PhaseVariation-PT-D10CS100 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 ;