fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r168-smll-177961110100219
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LamportFastMutEx-COL-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
740.388 59004.00 83016.00 315.80 T normal

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.r168-smll-177961110100219.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)
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is LamportFastMutEx-COL-3, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110100219
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.6K Mar 7 16:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K 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 4.1K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 39K 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 Liveness

=== Now, execution of the tool begins

BK_START 1779720423307

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=LamportFastMutEx-COL-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
Liveness COL
Running Version 202604301425
[2026-05-25 14:47:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 14:47:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:47:06] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-25 14:47:06] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 14:47:07] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1319 ms
[2026-05-25 14:47:07] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 37 ms.
[2026-05-25 14:47:07] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 10 ms.
[2026-05-25 14:47:07] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2026-05-25 14:47:07] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 37 ms.
[2026-05-25 14:47:07] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2026-05-25 14:47:07] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 13 ms.
[2026-05-25 14:47:07] [INFO ] Unfolded 17 HLPN properties in 0 ms.
[2026-05-25 14:47:07] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 1 ms.
[2026-05-25 14:47:07] [INFO ] Skeletonized 17 HLPN properties in 3 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [pid(4), pid(4)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-25 14:47:07] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 29 ms.
[2026-05-25 14:47:07] [INFO ] Unfolded 17 HLPN properties in 0 ms.
Deduced a syphon composed of 29 places in 2 ms
Reduce places removed 29 places and 42 transitions.
Built sparse matrix representations for Structural reductions in 2 ms.10229KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 71/71 places, 114/114 transitions.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Applied a total of 0 rules in 32 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 53 ms. Remains : 71/71 places, 114/114 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 71/71 places, 114/114 transitions.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Applied a total of 0 rules in 13 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2026-05-25 14:47:07] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16918231913454701896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5687211544039017824.kers'
[2026-05-25 14:47:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16918231913454701896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5687211544039017824.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 96 rows 68 cols 276 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-25 14:47:08] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-5687211544039017824.kers
Total runtime 5 ms.
[2026-05-25 14:47:08] [INFO ] Implicit Places using invariants in 394 ms returned []
[2026-05-25 14:47:08] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2026-05-25 14:47:08] [INFO ] Invariant cache hit.
[2026-05-25 14:47:08] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 14:47:08] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 742 ms to find 0 implicit places.
[2026-05-25 14:47:08] [INFO ] Redundant transitions in 5 ms returned []
Running 111 sub problems to find dead transitions.
[2026-05-25 14:47:08] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2026-05-25 14:47:08] [INFO ] Invariant cache hit.
[2026-05-25 14:47:08] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 20/37 constraints. Problems are: Problem set: 17 solved, 94 unsolved
Problem TDEAD51 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 15/52 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 2/54 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 3/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/128 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/155 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 1/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 0/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (OVERLAPS) 0/167 variables, 1/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (OVERLAPS) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 157 constraints, problems are : Problem set: 18 solved, 93 unsolved in 13553 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 93 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 23/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 3/71 variables, 12/40 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 19/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/130 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 93/250 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 1/251 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/252 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 13 (OVERLAPS) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 253 constraints, problems are : Problem set: 18 solved, 93 unsolved in 13458 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 93/111 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 27170ms problems are : Problem set: 18 solved, 93 unsolved
Search for dead transitions found 18 dead transitions in 27189ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 71/71 places, 96/114 transitions.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Applied a total of 0 rules in 8 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-25 14:47:35] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 28027 ms. Remains : 71/71 places, 96/114 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1740 ms (no deadlock found). (steps per millisecond=718 )
Random directed walk for 1250002 steps, including 0 resets, run took 1062 ms (no deadlock found). (steps per millisecond=1177 )
[2026-05-25 14:47:38] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9604912756553018302.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7447237036983532215.kers'
[2026-05-25 14:47:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9604912756553018302.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7447237036983532215.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 84 rows 68 cols 252 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-25 14:47:38] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7447237036983532215.kers
Total runtime 1 ms.
[2026-05-25 14:47:38] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2026-05-25 14:47:38] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-25 14:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:47:38] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2026-05-25 14:47:38] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-25 14:47:38] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-25 14:47:38] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2026-05-25 14:47:39] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 13 trap constraints in 966 ms
[2026-05-25 14:47:39] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 9 ms.
[2026-05-25 14:47:39] [INFO ] Unfolded 17 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 29 places in 2 ms
Reduce places removed 29 places and 42 transitions.
RANDOM walk for 461 steps (0 resets) in 74 ms. (6 steps per ms) remains 0/16 properties
[2026-05-25 14:47:40] [INFO ] Flatten gal took : 87 ms
[2026-05-25 14:47:40] [INFO ] Flatten gal took : 41 ms
[2026-05-25 14:47:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6389264713809473387.gal : 42 ms
[2026-05-25 14:47:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18237446601504142439.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6389264713809473387.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18237446601504142439.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 17 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Deduced a syphon composed of 29 places in 6 ms
Reduce places removed 29 places and 42 transitions.
[2026-05-25 14:47:40] [INFO ] Flatten gal took : 50 ms
[2026-05-25 14:47:40] [INFO ] Flatten gal took : 23 ms
[2026-05-25 14:47:40] [INFO ] Time to serialize gal into /tmp/CTLFireability12274445362340937158.gal : 8 ms
[2026-05-25 14:47:40] [INFO ] Time to serialize properties into /tmp/CTLFireability3669988472133279775.ctl : 8 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12274445362340937158.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3669988472133279775.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19742,0.381012,14572,2,3788,5,32353,6,0,400,38317,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((P_start_1_1==1)&&(P_start_1_2==1))&&((P_start_1_3==1)&&(x_0==1)))&&(((x_1==0)&&(x_2==0))&&((x_3==0)&&(y_0==1))))&&((((y_1==...1292
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((P_start_1_1==1)&&(P_start_1_2==1))&&((P_start_1_3==1)&&(x_0==1)))&&(((x_1...1352
Reverse transition relation is NOT exact ! Due to transitions T_setx_3i1x0, T_setx_3i1x1, T_setx_3i1x2, T_setx_3i1x3, T_setx_3i2x0, T_setx_3i2x1, T_setx_3i...1035
(forward)formula 0,0,1.42093,42376,1,0,252,160756,228,97,2889,142625,215
ITS tools runner thread asked to quit. Dying gracefully.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
[2026-05-25 14:47:42] [INFO ] Flatten gal took : 17 ms
[2026-05-25 14:47:42] [INFO ] Flatten gal took : 15 ms
[2026-05-25 14:47:42] [INFO ] Time to serialize gal into /tmp/CTLFireability4706502573717278394.gal : 4 ms
[2026-05-25 14:47:42] [INFO ] Time to serialize properties into /tmp/CTLFireability13439936313997785339.ctl : 2 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4706502573717278394.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13439936313997785339.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 17 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19742,0.307994,14540,2,3788,5,32353,6,0,400,38317,0


Converting to forward existential form...Done !
original formula: AG(EF((((((P_start_1_2>=1)&&(P_b_5>=1))||((P_start_1_2>=1)&&(P_b_4>=1)))||(((P_start_1_1>=1)&&(P_b_3>=1))||((P_start_1_3>=1)&&(P_b_7>=1))...226
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((P_start_1_2>=1)&&(P_b_5>=1))||((P_start_1_2>=1)&&(P_b_4>=1)))||(((P_start_1_...286
Reverse transition relation is NOT exact ! Due to transitions T_setx_3i1x0, T_setx_3i1x1, T_setx_3i1x2, T_setx_3i1x3, T_setx_3i2x0, T_setx_3i2x1, T_setx_3i...1035
(forward)formula 0,1,2.68881,76336,1,0,275,378040,228,111,2764,328297,255
Formula is TRUE !
Detected timeout of ITS tools.
[2026-05-25 14:47:45] [INFO ] Flatten gal took : 15 ms
[2026-05-25 14:47:45] [INFO ] Applying decomposition
[2026-05-25 14:47:45] [INFO ] Flatten gal took : 14 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/graph13580510463912931337.txt' '-o' '/tmp/graph13580510463912931337.bin' '-w' '/tmp/graph13580510463912931337.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13580510463912931337.bin' '-l' '-1' '-v' '-w' '/tmp/graph13580510463912931337.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:47:45] [INFO ] Decomposing Gal with order
[2026-05-25 14:47:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:47:45] [INFO ] Removed a total of 118 redundant transitions.
[2026-05-25 14:47:45] [INFO ] Flatten gal took : 130 ms
[2026-05-25 14:47:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 36 labels/synchronizations in 18 ms.
[2026-05-25 14:47:45] [INFO ] Time to serialize gal into /tmp/CTLFireability9443077169955189526.gal : 8 ms
[2026-05-25 14:47:45] [INFO ] Time to serialize properties into /tmp/CTLFireability13336335133808152297.ctl : 4 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9443077169955189526.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13336335133808152297.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 16 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19742,0.434479,12360,638,34,15111,175,306,31060,49,634,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((i0.u3.x_1>=1)&&(i2.u5.P_setx_3_3>=1))||((i2.u5.x_3>=1)&&(i0.u3.P_setx_3_1>=1)))||(((i2.u5.x_3>=1)&&(i1.u4.P_setx_3_2>=1))||((...529
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((i0.u3.x_1>=1)&&(i2.u5.P_setx_3_3>=1))||((i2.u5.x_3>=1)&&(i0.u3.P_setx_3_1>=...589
Reverse transition relation is NOT exact ! Due to transitions T_setx_3i1x0, T_setx_3i1x2, T_setx_3i1x3, T_setx_3i2x0, T_setx_3i2x1, T_setx_3i2x3, T_setx_3i...1045
(forward)formula 0,1,0.816865,20744,1,0,30869,325,1301,71174,192,1260,82011
Formula is TRUE !

***************************************

original formula: AG(EF(((((((i5.u22.y_1>=1)&&(i0.u3.P_ify0_4_1>=1))||((i5.u22.y_1>=1)&&(i1.u4.P_ify0_4_2>=1)))||(((i4.u7.y_2>=1)&&(i0.u3.P_ify0_4_1>=1))||...412
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((i5.u22.y_1>=1)&&(i0.u3.P_ify0_4_1>=1))||((i5.u22.y_1>=1)&&(i1.u4.P_ify0_4_2...472
(forward)formula 1,1,1.23972,30008,1,0,49054,328,1340,102363,192,1262,123317
Formula is TRUE !

***************************************

original formula: AG(EF((((((i0.u0.P_b_3>=1)&&(i0.u3.P_setbi_5_1>=1))||((i0.u0.P_b_2>=1)&&(i0.u3.P_setbi_5_1>=1)))||(((i1.u1.P_b_4>=1)&&(i1.u4.P_setbi_5_2>...298
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((i0.u0.P_b_3>=1)&&(i0.u3.P_setbi_5_1>=1))||((i0.u0.P_b_2>=1)&&(i0.u3.P_setbi_...358
(forward)formula 2,1,1.56001,37828,1,0,64726,328,1377,123495,193,1262,159843
Formula is TRUE !

***************************************

original formula: AG(EF(((((i5.u22.y_0>=1)&&(i2.u20.P_awaity_3>=1))||((i5.u22.y_0>=1)&&(i1.u19.P_awaity_2>=1)))||((i5.u22.y_0>=1)&&(i0.u18.P_awaity_1>=1)))...157
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((i5.u22.y_0>=1)&&(i2.u20.P_awaity_3>=1))||((i5.u22.y_0>=1)&&(i1.u19.P_awaity_2...217
(forward)formula 3,1,1.84927,47608,1,0,84291,333,1392,157717,193,1275,204629
Formula is TRUE !

***************************************

original formula: AG(EF(((((i5.u22.y_0>=1)&&(i1.u4.P_ify0_4_2>=1))||((i5.u22.y_0>=1)&&(i2.u5.P_ify0_4_3>=1)))||((i5.u22.y_0>=1)&&(i0.u3.P_ify0_4_1>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((i5.u22.y_0>=1)&&(i1.u4.P_ify0_4_2>=1))||((i5.u22.y_0>=1)&&(i2.u5.P_ify0_4_3>=...214
(forward)formula 4,1,2.05105,53028,1,0,94747,336,1402,171254,193,1281,229534
Formula is TRUE !

***************************************

original formula: AG(EF(((((((i4.u7.y_2>=1)&&(u6.P_sety_9_1>=1))||((i5.u22.y_0>=1)&&(i4.u7.P_sety_9_2>=1)))||(((i5.u22.y_0>=1)&&(i5.u8.P_sety_9_3>=1))||((i...532
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((i4.u7.y_2>=1)&&(u6.P_sety_9_1>=1))||((i5.u22.y_0>=1)&&(i4.u7.P_sety_9_2>=1)...592
(forward)formula 5,1,2.14462,55348,1,0,98990,336,1462,176059,194,1281,237377
Formula is TRUE !

***************************************

original formula: AG(EF(((((((i0.u3.x_1>=1)&&(i5.u8.P_ifxi_10_3>=1))||((i1.u4.x_2>=1)&&(u6.P_ifxi_10_1>=1)))||(((i2.u5.x_3>=1)&&(u6.P_ifxi_10_1>=1))||((u6....400
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((i0.u3.x_1>=1)&&(i5.u8.P_ifxi_10_3>=1))||((i1.u4.x_2>=1)&&(u6.P_ifxi_10_1>=1...460
(forward)formula 6,1,2.40496,61668,1,0,111333,354,1504,194092,195,1413,264087
Formula is TRUE !

***************************************

original formula: AG(EF((((((i0.u0.P_b_3>=1)&&(u6.P_setbi_11_1>=1))||((i0.u0.P_b_2>=1)&&(u6.P_setbi_11_1>=1)))||(((i1.u1.P_b_4>=1)&&(i4.u7.P_setbi_11_2>=1)...298
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((i0.u0.P_b_3>=1)&&(u6.P_setbi_11_1>=1))||((i0.u0.P_b_2>=1)&&(u6.P_setbi_11_1>...358
(forward)formula 7,1,2.51405,64464,1,0,116595,354,1535,200620,195,1415,273232
Formula is TRUE !

***************************************

original formula: AG(EF((((i0.u0.P_fordo_12_1>=1)||(i2.u2.P_fordo_12_3>=1))||(i1.u1.P_fordo_12_2>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((i0.u0.P_fordo_12_1>=1)||(i2.u2.P_fordo_12_3>=1))||(i1.u1.P_fordo_12_2>=1)))))]...163
(forward)formula 8,1,2.83628,72892,1,0,132490,355,1542,227620,195,1429,309326
Formula is TRUE !
Detected timeout of ITS tools.
[2026-05-25 14:47:48] [INFO ] Flatten gal took : 11 ms
[2026-05-25 14:47:48] [INFO ] Flatten gal took : 15 ms
[2026-05-25 14:47:48] [INFO ] Time to serialize gal into /tmp/CTLFireability14914638150832524978.gal : 2 ms
[2026-05-25 14:47:48] [INFO ] Time to serialize properties into /tmp/CTLFireability307593861810156038.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14914638150832524978.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability307593861810156038.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 7 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19742,0.579476,14508,2,3788,5,32353,6,0,400,38317,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((P_b_4>=1)&&(P_wait_10>=1))&&(P_await_13_2>=1))||(((P_b_6>=1)&&(P_wait_7>=1))&&(P_await_13_1>=1)))||((((P_b_2>=1)&&(P_wait_13...495
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((P_b_4>=1)&&(P_wait_10>=1))&&(P_await_13_2>=1))||(((P_b_6>=1)&&(P_wait_7>=1...555
Reverse transition relation is NOT exact ! Due to transitions T_setx_3i1x0, T_setx_3i1x1, T_setx_3i1x2, T_setx_3i1x3, T_setx_3i2x0, T_setx_3i2x1, T_setx_3i...1035
(forward)formula 0,1,3.23795,78752,1,0,285,398341,228,112,2756,343548,260
Formula is TRUE !

***************************************

original formula: AG(EF((((((P_await_13_1>=1)&&(P_done_5>=1))&&((P_done_6>=1)&&(P_done_7>=1)))||(((P_await_13_2>=1)&&(P_done_9>=1))&&((P_done_10>=1)&&(P_do...243
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((P_await_13_1>=1)&&(P_done_5>=1))&&((P_done_6>=1)&&(P_done_7>=1)))||(((P_awai...303
(forward)formula 1,1,4.42869,102296,1,0,325,524923,229,133,2764,448398,316
Formula is TRUE !

***************************************

original formula: AG(EF(((((((y_3>=1)&&(P_ifyi_15_2>=1))||((y_3>=1)&&(P_ifyi_15_1>=1)))||(((y_2>=1)&&(P_ifyi_15_3>=1))||((y_1>=1)&&(P_ifyi_15_3>=1))))||(((...310
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((y_3>=1)&&(P_ifyi_15_2>=1))||((y_3>=1)&&(P_ifyi_15_1>=1)))||(((y_2>=1)&&(P_i...370
(forward)formula 2,1,6.04236,148024,1,0,373,820492,230,165,2768,684689,397
Formula is TRUE !

***************************************

original formula: AG(EF(((((y_2>=1)&&(P_ifyi_15_2>=1))||((y_3>=1)&&(P_ifyi_15_3>=1)))||((y_1>=1)&&(P_ifyi_15_1>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((y_2>=1)&&(P_ifyi_15_2>=1))||((y_3>=1)&&(P_ifyi_15_3>=1)))||((y_1>=1)&&(P_ifyi...178
(forward)formula 3,1,9.6021,212492,1,0,419,1.1645e+06,231,190,2770,949074,463
Formula is TRUE !

***************************************

original formula: AG(EF(((((x_1>=1)&&(P_ifxi_10_1>=1))||((x_2>=1)&&(P_ifxi_10_2>=1)))||((x_3>=1)&&(P_ifxi_10_3>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((x_1>=1)&&(P_ifxi_10_1>=1))||((x_2>=1)&&(P_ifxi_10_2>=1)))||((x_3>=1)&&(P_ifxi...178
(forward)formula 4,1,11.1862,248116,1,0,451,1.40484e+06,232,210,2772,1.13952e+06,514
Formula is TRUE !

***************************************

original formula: AG(EF(((((((y_0>=1)&&(P_CS_21_3>=1))||((y_0>=1)&&(P_CS_21_2>=1)))||(((y_0>=1)&&(P_CS_21_1>=1))||((y_2>=1)&&(P_CS_21_1>=1))))||((((y_2>=1)...382
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((y_0>=1)&&(P_CS_21_3>=1))||((y_0>=1)&&(P_CS_21_2>=1)))||(((y_0>=1)&&(P_CS_21...442
(forward)formula 5,1,12.2249,268908,1,0,469,1.53676e+06,233,220,2777,1.24658e+06,540
Formula is TRUE !

***************************************

original formula: AG(EF((((((P_b_6>=1)&&(P_setbi_24_3>=1))||((P_b_2>=1)&&(P_setbi_24_1>=1)))||(((P_b_7>=1)&&(P_setbi_24_3>=1))||((P_b_5>=1)&&(P_setbi_24_2>...232
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((P_b_6>=1)&&(P_setbi_24_3>=1))||((P_b_2>=1)&&(P_setbi_24_1>=1)))||(((P_b_7>=1...292
(forward)formula 6,1,13.1608,289044,1,0,487,1.66443e+06,234,230,2782,1.35212e+06,567
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 18 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE USE_NUPN
Total runtime 56331 ms.

BK_STOP 1779720482311

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -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="LamportFastMutEx-COL-3"
export BK_EXAMINATION="Liveness"
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 2-5973"
echo " Executing tool itstools"
echo " Input is LamportFastMutEx-COL-3, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r168-smll-177961110100219"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-3.tgz
mv LamportFastMutEx-COL-3 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;