java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:58:55,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:58:55,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:58:55,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 19:58:55,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 19:58:55,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 19:58:55,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 19:58:55,998 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 19:58:56,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 19:58:56,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 19:58:56,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 19:58:56,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 19:58:56,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 19:58:56,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 19:58:56,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 19:58:56,019 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 19:58:56,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 19:58:56,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 19:58:56,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 19:58:56,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 19:58:56,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 19:58:56,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 19:58:56,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 19:58:56,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 19:58:56,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 19:58:56,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 19:58:56,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 19:58:56,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 19:58:56,032 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 19:58:56,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 19:58:56,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 19:58:56,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 19:58:56,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 19:58:56,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 19:58:56,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 19:58:56,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 19:58:56,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-23 19:58:56,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:58:56,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:58:56,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:58:56,052 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:58:56,053 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:58:56,053 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:58:56,053 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:58:56,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:58:56,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:58:56,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:58:56,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:58:56,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:58:56,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:58:56,055 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:58:56,055 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:58:56,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:58:56,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:58:56,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:58:56,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:58:56,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:58:56,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:58:56,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:58:56,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:58:56,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:58:56,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:58:56,058 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:58:56,058 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:58:56,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:58:56,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:58:56,058 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:58:56,059 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-23 19:58:56,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:58:56,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:58:56,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:58:56,123 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:58:56,123 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:58:56,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-09-23 19:58:56,125 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-09-23 19:58:56,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:58:56,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:58:56,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:58:56,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:58:56,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:58:56,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,229 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 19:58:56,230 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 19:58:56,230 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 19:58:56,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:58:56,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:58:56,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:58:56,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:58:56,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... [2018-09-23 19:58:56,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:58:56,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:58:56,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:58:56,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:58:56,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:58:56,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-09-23 19:58:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-09-23 19:58:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-09-23 19:58:57,028 INFO L351 CfgBuilder]: Using library mode [2018-09-23 19:58:57,029 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:58:57 BoogieIcfgContainer [2018-09-23 19:58:57,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:58:57,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:58:57,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:58:57,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:58:57,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:58:56" (1/2) ... [2018-09-23 19:58:57,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4803598d and model type ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:58:57, skipping insertion in model container [2018-09-23 19:58:57,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:58:57" (2/2) ... [2018-09-23 19:58:57,037 INFO L112 eAbstractionObserver]: Analyzing ICFG ElevatorWithAssignments.bpl [2018-09-23 19:58:57,048 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:58:57,057 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:58:57,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:58:57,111 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:58:57,111 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:58:57,112 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:58:57,112 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:58:57,112 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:58:57,112 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:58:57,112 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:58:57,112 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:58:57,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-09-23 19:58:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-23 19:58:57,137 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:58:57,138 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-23 19:58:57,139 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-23 19:58:57,147 INFO L98 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-23 19:58:57,148 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-09-23 19:58:57,150 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:58:57,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:58:57,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:58:57,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:58:57,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:58:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:58:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:58:57,302 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:58:57,302 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-23 19:58:57,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:58:57,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:58:57,320 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-23 19:58:57,322 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-09-23 19:58:57,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:58:57,349 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@17f1f681 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.isDistinct(BPredicateUnifier.java:259) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.isIntricatePredicate(BPredicateUnifier.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:59) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-23 19:58:57,353 INFO L168 Benchmark]: Toolchain (without parser) took 1167.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-23 19:58:57,355 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:58:57,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:58:57,357 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:58:57,357 INFO L168 Benchmark]: RCFGBuilder took 765.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-23 19:58:57,359 INFO L168 Benchmark]: TraceAbstraction took 321.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-23 19:58:57,365 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 765.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 321.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@17f1f681 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@17f1f681: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ElevatorWithAssignments.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-58-57-379.csv Received shutdown request...