/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 23:35:18,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 23:35:18,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 23:35:18,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 23:35:18,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 23:35:18,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 23:35:18,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 23:35:18,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 23:35:18,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 23:35:18,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 23:35:18,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 23:35:18,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 23:35:18,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 23:35:18,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 23:35:18,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 23:35:18,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 23:35:18,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 23:35:18,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 23:35:18,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 23:35:18,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 23:35:18,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 23:35:18,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 23:35:18,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 23:35:18,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 23:35:18,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 23:35:18,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 23:35:18,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 23:35:18,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 23:35:18,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 23:35:18,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 23:35:18,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 23:35:18,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 23:35:18,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 23:35:18,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 23:35:18,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 23:35:18,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 23:35:18,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-02-19 23:35:18,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 23:35:18,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 23:35:18,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 23:35:18,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 23:35:18,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 23:35:18,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 23:35:18,639 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 23:35:18,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 23:35:18,639 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 23:35:18,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 23:35:18,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:35:18,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 23:35:18,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 23:35:18,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 23:35:18,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 23:35:18,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 23:35:18,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 23:35:18,869 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 23:35:18,870 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 23:35:18,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy2.wvr.bpl [2021-02-19 23:35:18,871 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy2.wvr.bpl' [2021-02-19 23:35:18,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 23:35:18,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 23:35:18,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 23:35:18,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 23:35:18,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 23:35:18,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 23:35:18,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 23:35:18,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 23:35:18,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 23:35:18,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/1) ... [2021-02-19 23:35:18,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 23:35:18,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 23:35:18,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 23:35:18,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 23:35:18,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (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 [2021-02-19 23:35:18,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 23:35:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 23:35:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 23:35:19,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 23:35:19,065 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 23:35:19,066 INFO L202 PluginConnector]: Adding new model easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:35:19 BoogieIcfgContainer [2021-02-19 23:35:19,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 23:35:19,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 23:35:19,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 23:35:19,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 23:35:19,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:18" (1/2) ... [2021-02-19 23:35:19,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6cd359 and model type easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:35:19, skipping insertion in model container [2021-02-19 23:35:19,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:35:19" (2/2) ... [2021-02-19 23:35:19,072 INFO L111 eAbstractionObserver]: Analyzing ICFG easy2.wvr.bpl [2021-02-19 23:35:19,076 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 23:35:19,078 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 23:35:19,090 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-19 23:35:19,130 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 23:35:19,130 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 23:35:19,131 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 23:35:19,131 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 23:35:19,131 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 23:35:19,131 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 23:35:19,131 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 23:35:19,131 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 23:35:19,146 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:35:19,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:35:19,156 INFO L82 PathProgramCache]: Analyzing trace with hash 30208, now seen corresponding path program 1 times [2021-02-19 23:35:19,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:35:19,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681547471] [2021-02-19 23:35:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:35:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:35:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:35:19,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681547471] [2021-02-19 23:35:19,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:35:19,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-19 23:35:19,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323344871] [2021-02-19 23:35:19,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 23:35:19,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:35:19,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 23:35:19,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 23:35:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:35:19,285 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:35:19,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:35:19,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:35:19,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 23:35:19,289 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @74589991) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.InformationStorage.createProductState(InformationStorage.java:72) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getOrConstructState(ProductNwa.java:123) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.constructInitialState(ProductNwa.java:108) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getInitialStates(ProductNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:507) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-19 23:35:19,293 INFO L168 Benchmark]: Toolchain (without parser) took 402.02 ms. Allocated memory is still 350.2 MB. Free memory was 330.3 MB in the beginning and 330.7 MB in the end (delta: -438.3 kB). Peak memory consumption was 2.3 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:19,294 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 350.2 MB. Free memory is still 331.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:19,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.40 ms. Allocated memory is still 350.2 MB. Free memory was 329.7 MB in the beginning and 328.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:19,296 INFO L168 Benchmark]: Boogie Preprocessor took 12.79 ms. Allocated memory is still 350.2 MB. Free memory was 328.3 MB in the beginning and 327.4 MB in the end (delta: 897.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:19,297 INFO L168 Benchmark]: RCFGBuilder took 140.74 ms. Allocated memory is still 350.2 MB. Free memory was 327.4 MB in the beginning and 319.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:19,297 INFO L168 Benchmark]: TraceAbstraction took 224.16 ms. Allocated memory is still 350.2 MB. Free memory was 318.5 MB in the beginning and 330.7 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:19,304 INFO L339 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 0.11 ms. Allocated memory is still 350.2 MB. Free memory is still 331.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.40 ms. Allocated memory is still 350.2 MB. Free memory was 329.7 MB in the beginning and 328.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.79 ms. Allocated memory is still 350.2 MB. Free memory was 328.3 MB in the beginning and 327.4 MB in the end (delta: 897.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 140.74 ms. Allocated memory is still 350.2 MB. Free memory was 327.4 MB in the beginning and 319.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 224.16 ms. Allocated memory is still 350.2 MB. Free memory was 318.5 MB in the beginning and 330.7 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @74589991) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @74589991): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:347) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...