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.r210-smll-177969942000156.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 Philosophers-PT-000500, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969942000156
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 567K Mar 5 10:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.0M Mar 5 10:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 250K Mar 5 10:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.6M Mar 5 10:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 249K Mar 16 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 926K Mar 16 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 127K Mar 16 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 597K Mar 16 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 421K Mar 5 10:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.3M Mar 5 10:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 493K Mar 5 10:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M Mar 5 10:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 45K Mar 16 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 129K Mar 16 08:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.1M 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Philosophers-PT-000500-LTLFireability-00
FORMULA_NAME Philosophers-PT-000500-LTLFireability-01
FORMULA_NAME Philosophers-PT-000500-LTLFireability-02
FORMULA_NAME Philosophers-PT-000500-LTLFireability-03
FORMULA_NAME Philosophers-PT-000500-LTLFireability-04
FORMULA_NAME Philosophers-PT-000500-LTLFireability-05
FORMULA_NAME Philosophers-PT-000500-LTLFireability-06
FORMULA_NAME Philosophers-PT-000500-LTLFireability-07
FORMULA_NAME Philosophers-PT-000500-LTLFireability-08
FORMULA_NAME Philosophers-PT-000500-LTLFireability-09
FORMULA_NAME Philosophers-PT-000500-LTLFireability-10
FORMULA_NAME Philosophers-PT-000500-LTLFireability-11
FORMULA_NAME Philosophers-PT-000500-LTLFireability-12
FORMULA_NAME Philosophers-PT-000500-LTLFireability-13
FORMULA_NAME Philosophers-PT-000500-LTLFireability-14
FORMULA_NAME Philosophers-PT-000500-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779889719862

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 13:48:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 13:48:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 13:48:42] [INFO ] Load time of PNML (sax parser for PT used): 349 ms
[2026-05-27 13:48:42] [INFO ] Transformed 2500 places.
[2026-05-27 13:48:42] [INFO ] Transformed 2500 transitions.
[2026-05-27 13:48:42] [INFO ] Found NUPN structural information;
[2026-05-27 13:48:42] [INFO ] Parsed PT model containing 2500 places and 2500 transitions and 8000 arcs in 561 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 83 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA Philosophers-PT-000500-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 2500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 45 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6241669381512590691.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1664325944656838618.kers'
[2026-05-27 13:48:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6241669381512590691.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1664325944656838618.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 2500 rows 2500 cols 8000 entries
Finished phase 1 with 1500 SingleSign rule and 0 generalized
[2026-05-27 13:48:43] [INFO ] Computed 1000 invariants in 13 ms
Computed 1000 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-1664325944656838618.kers
Total runtime 18 ms.
[2026-05-27 13:48:45] [INFO ] Implicit Places using invariants in 1860 ms returned []
[2026-05-27 13:48:45] [INFO ] Invariant cache hit.
[2026-05-27 13:48:48] [INFO ] Implicit Places using invariants and state equation in 3336 ms returned []
Implicit Place search using SMT with State Equation took 5259 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2026-05-27 13:48:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 31111ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 31154ms
Finished structural reductions in LTL mode , in 1 iterations and 36553 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 26 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:49:20] [INFO ] Invariant cache hit.
[2026-05-27 13:49:21] [INFO ] Implicit Places using invariants in 1189 ms returned []
[2026-05-27 13:49:21] [INFO ] Invariant cache hit.
[2026-05-27 13:49:24] [INFO ] Implicit Places using invariants and state equation in 2929 ms returned []
Implicit Place search using SMT with State Equation took 4121 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 4156 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Support contains 2500 out of 2500 places after structural reductions.
[2026-05-27 13:49:25] [INFO ] Flatten gal took : 418 ms
[2026-05-27 13:49:25] [INFO ] Flatten gal took : 187 ms
[2026-05-27 13:49:25] [INFO ] Input system was already deterministic with 2500 transitions.
Reduction of identical properties reduced properties to check from 20 to 19
RANDOM walk for 40000 steps (8 resets) in 4971 ms. (8 steps per ms) remains 1/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5334 ms. (7 steps per ms) remains 1/1 properties
[2026-05-27 13:49:28] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/5000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2138 ms.
Refiners :[Domain max(s): 1000/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2500/5000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2083 ms.
Refiners :[Domain max(s): 1000/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4262ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1000 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 485 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 487 ms. Remains : 2500/2500 places, 2500/2500 transitions.
RANDOM walk for 40000 steps (8 resets) in 2419 ms. (16 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5384 ms. (7 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 179061 steps, run timeout after 6145 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 179061 steps, saw 178771 distinct states, run finished after 6152 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-27 13:49:41] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1500/2500 variables, 1000/2000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10470 ms.
Refiners :[Domain max(s): 2500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1000 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1000 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1500/2500 variables, 1000/2000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2500 variables, 1500/3500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2500 variables, 0/3500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2500/5000 variables, 2500/6000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5000 variables, 0/6000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/5000 variables, 0/6000 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5000/5000 variables, and 6000 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8657 ms.
Refiners :[Domain max(s): 2500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19157ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 327 steps, including 0 resets, run visited all 1 properties in 33 ms. (steps per millisecond=9 )
Parikh walk visited 1 properties in 48 ms.
FORMULA Philosophers-PT-000500-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U G(p1))&&(G(F(p2))||(F(p2)&&F(!p3)))))'
Support contains 2500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 103 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:50:01] [INFO ] Invariant cache hit.
[2026-05-27 13:50:02] [INFO ] Implicit Places using invariants in 1169 ms returned []
[2026-05-27 13:50:02] [INFO ] Invariant cache hit.
[2026-05-27 13:50:05] [INFO ] Implicit Places using invariants and state equation in 2829 ms returned []
Implicit Place search using SMT with State Equation took 4004 ms to find 0 implicit places.
[2026-05-27 13:50:05] [INFO ] Redundant transitions in 171 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4286 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U G(p1))&&(G(F(p2))||(F(p2)&&F(p3)))))'
Stuttering acceptance computed with spot in 588 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2), (AND (NOT p3) (NOT p2)), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-00
Product exploration explored 100000 steps with 7 reset in 4229 ms.
Product exploration explored 100000 steps with 10 reset in 4230 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 7 factoid took 208 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
RANDOM walk for 13340 steps (4 resets) in 1670 ms. (7 steps per ms) remains 0/5 properties
Knowledge based reduction with 7 factoid took 242 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), false, false]
[2026-05-27 13:50:43] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:231)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:248)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-27 13:50:58] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
[2026-05-27 13:51:00] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Knowledge-based reduction took 60527 ms.
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), false, false]
Support contains 1500 out of 2500 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 59 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:51:15] [INFO ] Invariant cache hit.
[2026-05-27 13:51:17] [INFO ] Implicit Places using invariants in 1159 ms returned []
[2026-05-27 13:51:17] [INFO ] Invariant cache hit.
[2026-05-27 13:51:19] [INFO ] Implicit Places using invariants and state equation in 2823 ms returned []
Implicit Place search using SMT with State Equation took 3989 ms to find 0 implicit places.
[2026-05-27 13:51:20] [INFO ] Redundant transitions in 310 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4368 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 233 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
RANDOM walk for 10007 steps (3 resets) in 613 ms. (16 steps per ms) remains 0/5 properties
Knowledge based reduction with 3 factoid took 393 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 232 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), false, false]
[2026-05-27 13:52:11] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:834)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:231)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-27 13:52:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
[2026-05-27 13:52:28] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Knowledge-based reduction took 82776 ms.
Stuttering acceptance computed with spot in 269 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), false, false]
Stuttering acceptance computed with spot in 247 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), false, false]
Product exploration explored 100000 steps with 8 reset in 4142 ms.
Stack based approach found an accepted trace after 62833 steps with 9 reset with depth 13670 and stack size 211 in 2579 ms.
FORMULA Philosophers-PT-000500-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-00 finished in 168760 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1000 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 267 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:52:50] [INFO ] Invariant cache hit.
[2026-05-27 13:52:52] [INFO ] Implicit Places using invariants in 1998 ms returned []
[2026-05-27 13:52:52] [INFO ] Invariant cache hit.
[2026-05-27 13:52:57] [INFO ] Implicit Places using invariants and state equation in 4578 ms returned []
Implicit Place search using SMT with State Equation took 6587 ms to find 0 implicit places.
[2026-05-27 13:52:57] [INFO ] Redundant transitions in 134 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6999 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 4401 ms.
Stack based approach found an accepted trace after 25479 steps with 0 reset with depth 25480 and stack size 1374 in 1275 ms.
FORMULA Philosophers-PT-000500-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-01 finished in 12783 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 201 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:53:03] [INFO ] Invariant cache hit.
[2026-05-27 13:53:07] [INFO ] Implicit Places using invariants in 3890 ms returned []
[2026-05-27 13:53:07] [INFO ] Invariant cache hit.
[2026-05-27 13:53:13] [INFO ] Implicit Places using invariants and state equation in 5989 ms returned []
Implicit Place search using SMT with State Equation took 9883 ms to find 0 implicit places.
[2026-05-27 13:53:13] [INFO ] Redundant transitions in 82 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10175 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 3083 ms.
Stack based approach found an accepted trace after 44869 steps with 0 reset with depth 44870 and stack size 3740 in 1405 ms.
FORMULA Philosophers-PT-000500-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-04 finished in 14764 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 73 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:53:17] [INFO ] Invariant cache hit.
[2026-05-27 13:53:19] [INFO ] Implicit Places using invariants in 1928 ms returned []
[2026-05-27 13:53:19] [INFO ] Invariant cache hit.
[2026-05-27 13:53:23] [INFO ] Implicit Places using invariants and state equation in 3676 ms returned []
Implicit Place search using SMT with State Equation took 5607 ms to find 0 implicit places.
[2026-05-27 13:53:23] [INFO ] Redundant transitions in 83 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5769 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-06
Product exploration explored 100000 steps with 5 reset in 3387 ms.
Stack based approach found an accepted trace after 9523 steps with 0 reset with depth 9524 and stack size 728 in 358 ms.
FORMULA Philosophers-PT-000500-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-06 finished in 9672 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(!p0)) U (F(p1)&&X(!p2))))))'
Support contains 6 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 67 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:53:27] [INFO ] Invariant cache hit.
[2026-05-27 13:53:31] [INFO ] Implicit Places using invariants in 3524 ms returned []
[2026-05-27 13:53:31] [INFO ] Invariant cache hit.
[2026-05-27 13:53:36] [INFO ] Implicit Places using invariants and state equation in 4991 ms returned []
Implicit Place search using SMT with State Equation took 8520 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 8592 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(!p0)) U (F(p1)&&X(!p2))))))'
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p1) p2), (OR (NOT p1) p2), (OR (NOT p1) p2), (NOT p1), p2, p0, p0]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-09
Product exploration explored 100000 steps with 5 reset in 2104 ms.
Stack based approach found an accepted trace after 5074 steps with 0 reset with depth 5075 and stack size 5075 in 206 ms.
FORMULA Philosophers-PT-000500-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-09 finished in 11214 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((F(p1)&&F(p2)&&p0)))))'
Support contains 5 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 67 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:53:38] [INFO ] Invariant cache hit.
[2026-05-27 13:53:42] [INFO ] Implicit Places using invariants in 3789 ms returned []
[2026-05-27 13:53:42] [INFO ] Invariant cache hit.
[2026-05-27 13:53:48] [INFO ] Implicit Places using invariants and state equation in 5740 ms returned []
Implicit Place search using SMT with State Equation took 9533 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 9601 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((F(p1)&&F(p2)&&p0)))))'
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-11
Product exploration explored 100000 steps with 38 reset in 4970 ms.
Stack based approach found an accepted trace after 7518 steps with 7 reset with depth 4954 and stack size 4954 in 755 ms.
FORMULA Philosophers-PT-000500-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-11 finished in 15613 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0)) U p1)&&X(X(p2))))'
Support contains 5 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 102 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:53:54] [INFO ] Invariant cache hit.
[2026-05-27 13:53:58] [INFO ] Implicit Places using invariants in 3556 ms returned []
[2026-05-27 13:53:58] [INFO ] Invariant cache hit.
[2026-05-27 13:54:03] [INFO ] Implicit Places using invariants and state equation in 5884 ms returned []
Implicit Place search using SMT with State Equation took 9443 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 9549 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0)) U p1)&&X(X(p2))))'
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p0) (NOT p1)), (NOT p2), true, (NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Philosophers-PT-000500-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-12 finished in 9866 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(!p0) U p1) U X((F(G(p3))&&p2))))'
Support contains 8 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 94 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:54:04] [INFO ] Invariant cache hit.
[2026-05-27 13:54:07] [INFO ] Implicit Places using invariants in 3520 ms returned []
[2026-05-27 13:54:07] [INFO ] Invariant cache hit.
[2026-05-27 13:54:13] [INFO ] Implicit Places using invariants and state equation in 5983 ms returned []
Implicit Place search using SMT with State Equation took 9505 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 9600 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(!p0) U p1) U X((F(G(p3))&&p2))))'
Stuttering acceptance computed with spot in 476 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (OR (NOT p2) (NOT p3)), true, (NOT p3), p0, (NOT p1), (AND (NOT p1) (NOT p0) (NOT p3))]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-13
Entered a terminal (fully accepting) state of product in 103 steps with 0 reset in 26 ms.
FORMULA Philosophers-PT-000500-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-13 finished in 10177 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(((X(p0)&&G(p1)) U (p0&&X(p0)&&G(p1)))))))'
Support contains 2 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 103 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2026-05-27 13:54:14] [INFO ] Invariant cache hit.
[2026-05-27 13:54:18] [INFO ] Implicit Places using invariants in 3948 ms returned []
[2026-05-27 13:54:18] [INFO ] Invariant cache hit.
[2026-05-27 13:54:24] [INFO ] Implicit Places using invariants and state equation in 5650 ms returned []
Implicit Place search using SMT with State Equation took 9600 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 9705 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(((X(p0)&&G(p1)) U (p0&&X(p0)&&G(p1)))))))'
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), (OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Philosophers-PT-000500-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-14 finished in 9945 ms.
All properties solved by simple procedures.
Total runtime 342339 ms.

BK_STOP 1779890064473

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="Philosophers-PT-000500"
export BK_EXAMINATION="LTLFireability"
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 Philosophers-PT-000500, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-smll-177969942000156"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000500.tgz
mv Philosophers-PT-000500 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;