/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/easy9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 23:35:38,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 23:35:38,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 23:35:38,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 23:35:38,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 23:35:38,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 23:35:38,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 23:35:38,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 23:35:38,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 23:35:38,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 23:35:38,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 23:35:38,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 23:35:38,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 23:35:38,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 23:35:38,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 23:35:38,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 23:35:38,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 23:35:38,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 23:35:38,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 23:35:38,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 23:35:38,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 23:35:38,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 23:35:38,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 23:35:38,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 23:35:38,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 23:35:38,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 23:35:38,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 23:35:38,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 23:35:38,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 23:35:38,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 23:35:38,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 23:35:38,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 23:35:38,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 23:35:38,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 23:35:38,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 23:35:38,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 23:35:38,802 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 23:35:38,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 23:35:38,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 23:35:38,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 23:35:38,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 23:35:38,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 23:35:38,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 23:35:38,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 23:35:38,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 23:35:38,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:35:38,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 23:35:38,820 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 23:35:38,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 23:35:39,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 23:35:39,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 23:35:39,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 23:35:39,049 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 23:35:39,051 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 23:35:39,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy9.wvr.bpl [2021-02-19 23:35:39,052 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy9.wvr.bpl' [2021-02-19 23:35:39,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 23:35:39,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 23:35:39,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 23:35:39,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 23:35:39,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 23:35:39,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 23:35:39,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 23:35:39,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 23:35:39,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 23:35:39,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/1) ... [2021-02-19 23:35:39,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 23:35:39,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 23:35:39,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 23:35:39,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 23:35:39,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (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 23:35:39,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 23:35:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 23:35:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 23:35:39,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 23:35:39,266 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 23:35:39,268 INFO L202 PluginConnector]: Adding new model easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:35:39 BoogieIcfgContainer [2021-02-19 23:35:39,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 23:35:39,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 23:35:39,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 23:35:39,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 23:35:39,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:35:39" (1/2) ... [2021-02-19 23:35:39,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26735d75 and model type easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:35:39, skipping insertion in model container [2021-02-19 23:35:39,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:35:39" (2/2) ... [2021-02-19 23:35:39,274 INFO L111 eAbstractionObserver]: Analyzing ICFG easy9.wvr.bpl [2021-02-19 23:35:39,280 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 23:35:39,283 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 23:35:39,294 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 23:35:39,340 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 23:35:39,340 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 23:35:39,340 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 23:35:39,340 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 23:35:39,340 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 23:35:39,340 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 23:35:39,340 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 23:35:39,340 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 23:35:39,358 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:35:39,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:35:39,361 INFO L82 PathProgramCache]: Analyzing trace with hash 926629, now seen corresponding path program 1 times [2021-02-19 23:35:39,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:35:39,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602868488] [2021-02-19 23:35:39,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:35:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:35:39,450 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 23:35:39,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602868488] [2021-02-19 23:35:39,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:35:39,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-19 23:35:39,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465063737] [2021-02-19 23:35:39,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 23:35:39,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:35:39,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 23:35:39,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 23:35:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:35:39,462 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:35:39,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 23:35:39,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:35:39,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 23:35:39,466 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 23:35:39,468 INFO L168 Benchmark]: Toolchain (without parser) took 395.13 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 230.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:39,468 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:39,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:39,469 INFO L168 Benchmark]: Boogie Preprocessor took 11.77 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.6 MB in the end (delta: 811.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:39,470 INFO L168 Benchmark]: RCFGBuilder took 149.29 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 226.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-02-19 23:35:39,470 INFO L168 Benchmark]: TraceAbstraction took 197.45 ms. Allocated memory is still 255.9 MB. Free memory was 226.0 MB in the beginning and 230.4 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:35:39,472 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 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.77 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.6 MB in the end (delta: 811.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 149.29 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 226.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 197.45 ms. Allocated memory is still 255.9 MB. Free memory was 226.0 MB in the beginning and 230.4 MB in the end (delta: -4.4 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...