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.r162-smll-177961107900400.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 itstools
Input is LamportFastMutEx-PT-2, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900400
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 700K
-rw-r--r-- 1 mcc users 11K Mar 7 16:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 16:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 7 16:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 7 16:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 7 16:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Mar 7 16:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 134K Mar 7 16:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 48K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779874901079

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-27 09:41:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 09:41:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 09:41:43] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2026-05-27 09:41:43] [INFO ] Transformed 69 places.
[2026-05-27 09:41:43] [INFO ] Transformed 96 transitions.
[2026-05-27 09:41:43] [INFO ] Found NUPN structural information;
[2026-05-27 09:41:43] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_await_13_0, P_await_13_1, P_await_13_2, P_done_0_0, P_done_0_1, P_done_0_2, P_done_1_0, P_done_1_1, P_done_1_2, P_done_2_0, P_done_2_1, P_done_2_2, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_awaity_0, P_awaity_1, P_awaity_2, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2]
[2026-05-27 09:41:43] [INFO ] Parsed PT model containing 69 places and 96 transitions and 402 arcs in 336 ms.
Deduced a syphon composed of 25 places in 2 ms
Reduce places removed 25 places and 34 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 44/44 places, 62/62 transitions.
[2026-05-27 09:41:44] [INFO ] Redundant transitions in 2 ms returned []
Running 60 sub problems to find dead transitions.
[2026-05-27 09:41:44] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-641685973383500132.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10554107161294703947.kers'
[2026-05-27 09:41:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-641685973383500132.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10554107161294703947.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 56 rows 42 cols 152 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-27 09:41:44] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10554107161294703947.kers
Total runtime 2 ms.
[2026-05-27 09:41:44] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Problem TDEAD10 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 19/73 constraints. Problems are: Problem set: 11 solved, 49 unsolved
Problem TDEAD1 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 2/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (OVERLAPS) 56/100 variables, 44/119 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 16/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 135 constraints, problems are : Problem set: 12 solved, 48 unsolved in 4575 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 48 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 4/46 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 12/58 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/58 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 2/44 variables, 6/64 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 2/66 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 9/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 56/100 variables, 44/119 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 16/135 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 48/183 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 0/183 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/100 variables, 1/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/100 variables, 0/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 14 (OVERLAPS) 0/100 variables, 0/184 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 184 constraints, problems are : Problem set: 12 solved, 48 unsolved in 4932 ms.
Refiners :[Domain max(s): 44/44 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 48/60 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 9728ms problems are : Problem set: 12 solved, 48 unsolved
Search for dead transitions found 12 dead transitions in 9750ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 44/44 places, 50/62 transitions.
[2026-05-27 09:41:53] [INFO ] Redundant transitions in 1 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 9996 ms. Remains : 44/44 places, 50/62 transitions.
Final net has 44 places and 50 transitions.
[2026-05-27 09:41:54] [INFO ] Flatten gal took : 60 ms
[2026-05-27 09:41:54] [INFO ] Applying decomposition
[2026-05-27 09:41:54] [INFO ] Flatten gal took : 19 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1043047176127187148.txt' '-o' '/tmp/graph1043047176127187148.bin' '-w' '/tmp/graph1043047176127187148.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1043047176127187148.bin' '-l' '-1' '-v' '-w' '/tmp/graph1043047176127187148.weights' '-q' '0' '-e' '0.001'
[2026-05-27 09:41:54] [INFO ] Decomposing Gal with order
[2026-05-27 09:41:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 09:41:54] [INFO ] Removed a total of 29 redundant transitions.
[2026-05-27 09:41:54] [INFO ] Flatten gal took : 125 ms
[2026-05-27 09:41:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 12 labels/synchronizations in 13 ms.
[2026-05-27 09:41:54] [INFO ] Time to serialize gal into /tmp/StateSpace4368926457206807745.gal : 10 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace4368926457206807745.gal' '-t' 'CGAL' '--stats'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...219
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,380,0.080276,5068,237,109,1741,303,210,3228,61,1117,0
Total reachable state count : 380

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 8
STATE_SPACE MAX_TOKEN_PER_MARKING 8 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 380
STATE_SPACE STATES 380 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 11297 ms.

BK_STOP 1779874914889

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="LamportFastMutEx-PT-2"
export BK_EXAMINATION="StateSpace"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 itstools"
echo " Input is LamportFastMutEx-PT-2, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107900400"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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