Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r032-smll-177946790800221.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is BlocksWorld-PT-09, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r032-smll-177946790800221
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 7.9K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 07:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 07:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.3M Mar 3 18:30 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779477096631

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BlocksWorld-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-22 19:11:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 19:11:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:11:40] [INFO ] Load time of PNML (sax parser for PT used): 561 ms
[2026-05-22 19:11:40] [INFO ] Transformed 2449 places.
[2026-05-22 19:11:40] [INFO ] Transformed 4705 transitions.
[2026-05-22 19:11:40] [INFO ] Found NUPN structural information;
[2026-05-22 19:11:40] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37, pred_on_table_38, pred_on_table_39, pred_on_table_40, pred_on_table_41, pred_on_table_42, pred_on_table_43, pred_on_table_44, pred_on_table_45, pred_on_table_46, pred_on_table_47]
[2026-05-22 19:11:40] [INFO ] Parsed PT model containing 2449 places and 4705 transitions and 23506 arcs in 821 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 7 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 20 ms.19323KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 2449/2449 places, 4705/4705 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1719 ms. Remains 2449 /2449 variables (removed 0) and now considering 4705/4705 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1743 ms. Remains : 2449/2449 places, 4705/4705 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 2449/2449 places, 4705/4705 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 823 ms. Remains 2449 /2449 variables (removed 0) and now considering 4705/4705 (removed 0) transitions.
// Phase 1: matrix 4705 rows 2449 cols
[2026-05-22 19:11:43] [INFO ] Computed 97 invariants in 102 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:11:50] [INFO ] Implicit Places using invariants in 7997 ms returned []
[2026-05-22 19:11:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:11:55] [INFO ] State equation strengthened by 91 read => feed constraints.
[2026-05-22 19:12:08] [INFO ] Implicit Places using invariants and state equation in 18021 ms returned []
Implicit Place search using SMT with State Equation took 26091 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 19:12:09] [INFO ] Redundant transitions in 739 ms returned []
Running 4702 sub problems to find dead transitions.
[2026-05-22 19:12:09] [INFO ] Invariant cache hit.
[2026-05-22 19:12:09] [INFO ] State equation strengthened by 91 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Problem TDEAD1 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD341 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD488 is UNSAT
Problem TDEAD537 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD782 is UNSAT
Problem TDEAD831 is UNSAT
Problem TDEAD880 is UNSAT
Problem TDEAD929 is UNSAT
Problem TDEAD978 is UNSAT
Problem TDEAD1076 is UNSAT
Problem TDEAD1125 is UNSAT
Problem TDEAD1174 is UNSAT
Problem TDEAD1223 is UNSAT
Problem TDEAD1272 is UNSAT
Problem TDEAD1370 is UNSAT
Problem TDEAD1419 is UNSAT
Problem TDEAD1468 is UNSAT
Problem TDEAD1517 is UNSAT
Problem TDEAD1566 is UNSAT
Problem TDEAD1615 is UNSAT
Problem TDEAD1664 is UNSAT
Problem TDEAD1713 is UNSAT
Problem TDEAD1762 is UNSAT
Problem TDEAD1811 is UNSAT
Problem TDEAD1860 is UNSAT
Problem TDEAD1909 is UNSAT
Problem TDEAD1958 is UNSAT
Problem TDEAD2007 is UNSAT
Problem TDEAD2056 is UNSAT
Problem TDEAD2105 is UNSAT
Problem TDEAD2154 is UNSAT
Problem TDEAD2203 is UNSAT
Problem TDEAD2252 is UNSAT
Problem TDEAD2301 is UNSAT
Problem TDEAD2399 is UNSAT
Problem TDEAD2448 is UNSAT
Problem TDEAD2542 is UNSAT
Problem TDEAD2634 is UNSAT
Problem TDEAD2724 is UNSAT
Problem TDEAD2812 is UNSAT
Problem TDEAD2898 is UNSAT
Problem TDEAD2982 is UNSAT
Problem TDEAD3064 is UNSAT
Problem TDEAD3144 is UNSAT
Problem TDEAD3222 is UNSAT
Problem TDEAD3298 is UNSAT
Problem TDEAD3372 is UNSAT
Problem TDEAD3444 is UNSAT
Problem TDEAD3514 is UNSAT
Problem TDEAD3582 is UNSAT
Problem TDEAD3648 is UNSAT
Problem TDEAD3712 is UNSAT
Problem TDEAD3774 is UNSAT
Problem TDEAD3892 is UNSAT
Problem TDEAD3948 is UNSAT
Problem TDEAD4002 is UNSAT
Problem TDEAD4054 is UNSAT
Problem TDEAD4104 is UNSAT
Problem TDEAD4198 is UNSAT
Problem TDEAD4242 is UNSAT
Problem TDEAD4284 is UNSAT
Problem TDEAD4324 is UNSAT
Problem TDEAD4362 is UNSAT
Problem TDEAD4398 is UNSAT
Problem TDEAD4432 is UNSAT
Problem TDEAD4464 is UNSAT
Problem TDEAD4494 is UNSAT
Problem TDEAD4522 is UNSAT
Problem TDEAD4548 is UNSAT
Problem TDEAD4572 is UNSAT
Problem TDEAD4594 is UNSAT
Problem TDEAD4614 is UNSAT
Problem TDEAD4632 is UNSAT
Problem TDEAD4648 is UNSAT
Problem TDEAD4662 is UNSAT
Problem TDEAD4674 is UNSAT
Problem TDEAD4684 is UNSAT
Problem TDEAD4692 is UNSAT
Problem TDEAD4702 is UNSAT
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2446 variables, 91/91 constraints. Problems are: Problem set: 90 solved, 4612 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2446/7154 variables, and 91 constraints, problems are : Problem set: 90 solved, 4612 unsolved in 30294 ms.
Refiners :[Positive P Invariants (semi-flows): 91/97 constraints, State Equation: 0/2449 constraints, ReadFeed: 0/91 constraints, PredecessorRefiner: 4657/2352 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 90 solved, 4612 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2401 variables, 4/4 constraints. Problems are: Problem set: 90 solved, 4612 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2401/7154 variables, and 4 constraints, problems are : Problem set: 90 solved, 4612 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 4/97 constraints, State Equation: 0/2449 constraints, ReadFeed: 0/91 constraints, PredecessorRefiner: 2305/2352 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 72702ms problems are : Problem set: 90 solved, 4612 unsolved
Search for dead transitions found 90 dead transitions in 72775ms
Found 90 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 90 transitions
Dead transitions reduction (with SMT) removed 90 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 2449/2449 places, 4615/4705 transitions.
Computed a total of 45 stabilizing places and 0 stable transitions
Graph (complete) has 13360 edges and 2449 vertex of which 2404 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.26 ms
Discarding 45 places :
Also discarding 0 output transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 1 rules in 1219 ms. Remains 2404 /2449 variables (removed 45) and now considering 4615/4615 (removed 0) transitions.
// Phase 1: matrix 4615 rows 2404 cols
[2026-05-22 19:13:23] [INFO ] Computed 97 invariants in 55 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:13:28] [INFO ] Implicit Places using invariants in 4743 ms returned []
[2026-05-22 19:13:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:13:31] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-22 19:13:39] [INFO ] Implicit Places using invariants and state equation in 10889 ms returned []
Implicit Place search using SMT with State Equation took 15635 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 2404/2449 places, 4615/4705 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 117369 ms. Remains : 2404/2449 places, 4615/4705 transitions.
Interrupted Random walk after 383574 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=12 )
Interrupted Random directed walk after 483355 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=16 )
[2026-05-22 19:14:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 19:14:47] [INFO ] [Real]Absence check using 97 positive place invariants in 5983 ms returned sat
[2026-05-22 19:16:32] [INFO ] [Real]Absence check using state equation in 104854 ms returned sat
[2026-05-22 19:16:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 19:16:39] [INFO ] [Nat]Absence check using 97 positive place invariants in 4686 ms returned sat
[2026-05-22 19:19:58] [INFO ] [Nat]Absence check using state equation in 198977 ms returned sat
[2026-05-22 19:19:58] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-22 19:19:58] [INFO ] [Nat]Added 7 Read/Feed constraints in 278 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 19:20:04] [INFO ] Deduced a trap composed of 96 places in 5733 ms of which 741 ms to minimize.
[2026-05-22 19:20:06] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 7680 ms
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION
Total runtime 507150 ms.

BK_STOP 1779477606547

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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 ReachabilityDeadlock -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="BlocksWorld-PT-09"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is BlocksWorld-PT-09, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r032-smll-177946790800221"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-09.tgz
mv BlocksWorld-PT-09 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;